diff options
559 files changed, 6211 insertions, 3424 deletions
@@ -10,6 +10,8 @@ # Please keep this list dictionary sorted. # Aaron Durbin <adurbin@google.com> +Abel Vesa <abelvesa@kernel.org> <abel.vesa@nxp.com> +Abel Vesa <abelvesa@kernel.org> <abelvesa@gmail.com> Abhinav Kumar <quic_abhinavk@quicinc.com> <abhinavk@codeaurora.org> Adam Oldham <oldhamca@gmail.com> Adam Radford <aradford@gmail.com> @@ -85,6 +87,7 @@ Christian Borntraeger <borntraeger@linux.ibm.com> <borntrae@de.ibm.com> Christian Brauner <brauner@kernel.org> <christian@brauner.io> Christian Brauner <brauner@kernel.org> <christian.brauner@canonical.com> Christian Brauner <brauner@kernel.org> <christian.brauner@ubuntu.com> +Christian Marangi <ansuelsmth@gmail.com> Christophe Ricard <christophe.ricard@gmail.com> Christoph Hellwig <hch@lst.de> Colin Ian King <colin.king@intel.com> <colin.king@canonical.com> @@ -165,6 +168,7 @@ Jan Glauber <jan.glauber@gmail.com> <jang@de.ibm.com> Jan Glauber <jan.glauber@gmail.com> <jang@linux.vnet.ibm.com> Jan Glauber <jan.glauber@gmail.com> <jglauber@cavium.com> Jarkko Sakkinen <jarkko@kernel.org> <jarkko.sakkinen@linux.intel.com> +Jarkko Sakkinen <jarkko@kernel.org> <jarkko@profian.com> Jason Gunthorpe <jgg@ziepe.ca> <jgg@mellanox.com> Jason Gunthorpe <jgg@ziepe.ca> <jgg@nvidia.com> Jason Gunthorpe <jgg@ziepe.ca> <jgunthorpe@obsidianresearch.com> diff --git a/Documentation/ABI/testing/sysfs-bus-iio-vf610 b/Documentation/ABI/testing/sysfs-bus-iio-vf610 index 308a6756d3bf..491ead804488 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-vf610 +++ b/Documentation/ABI/testing/sysfs-bus-iio-vf610 @@ -1,4 +1,4 @@ -What: /sys/bus/iio/devices/iio:deviceX/conversion_mode +What: /sys/bus/iio/devices/iio:deviceX/in_conversion_mode KernelVersion: 4.2 Contact: linux-iio@vger.kernel.org Description: diff --git a/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml index ece261b8e963..7326c0a28d16 100644 --- a/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml +++ b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml @@ -47,6 +47,5 @@ examples: clocks = <&clkcfg CLK_SPI0>; interrupt-parent = <&plic>; interrupts = <54>; - spi-max-frequency = <25000000>; }; ... diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml b/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml index e2c7b934c50d..78ceb9d67754 100644 --- a/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml +++ b/Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml @@ -110,7 +110,6 @@ examples: pinctrl-names = "default"; pinctrl-0 = <&qup_spi1_default>; interrupts = <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>; - spi-max-frequency = <50000000>; #address-cells = <1>; #size-cells = <0>; }; diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml index 0b4524b6409e..1e84e1b7ab27 100644 --- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml +++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml @@ -136,7 +136,8 @@ properties: Phandle of a companion. phys: - maxItems: 1 + minItems: 1 + maxItems: 3 phy-names: const: usb diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml index e2ac84665316..bb6bbd5f129d 100644 --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml @@ -103,7 +103,8 @@ properties: Overrides the detected port count phys: - maxItems: 1 + minItems: 1 + maxItems: 3 phy-names: const: usb diff --git a/Documentation/driver-api/firmware/other_interfaces.rst b/Documentation/driver-api/firmware/other_interfaces.rst index b81794e0cfbb..06ac89adaafb 100644 --- a/Documentation/driver-api/firmware/other_interfaces.rst +++ b/Documentation/driver-api/firmware/other_interfaces.rst @@ -13,6 +13,12 @@ EDD Interfaces .. kernel-doc:: drivers/firmware/edd.c :internal: +Generic System Framebuffers Interface +------------------------------------- + +.. kernel-doc:: drivers/firmware/sysfb.c + :export: + Intel Stratix10 SoC Service Layer --------------------------------- Some features of the Intel Stratix10 SoC require a level of privilege diff --git a/Documentation/driver-api/gpio/board.rst b/Documentation/driver-api/gpio/board.rst index 4e3adf31c8d1..b33aa04f213f 100644 --- a/Documentation/driver-api/gpio/board.rst +++ b/Documentation/driver-api/gpio/board.rst @@ -6,7 +6,7 @@ This document explains how GPIOs can be assigned to given devices and functions. Note that it only applies to the new descriptor-based interface. For a description of the deprecated integer-based GPIO interface please refer to -gpio-legacy.txt (actually, there is no real mapping possible with the old +legacy.rst (actually, there is no real mapping possible with the old interface; you just fetch an integer from somewhere and request the corresponding GPIO). diff --git a/Documentation/driver-api/gpio/consumer.rst b/Documentation/driver-api/gpio/consumer.rst index 47869ca8ccf0..72bcf5f5e3a2 100644 --- a/Documentation/driver-api/gpio/consumer.rst +++ b/Documentation/driver-api/gpio/consumer.rst @@ -4,7 +4,7 @@ GPIO Descriptor Consumer Interface This document describes the consumer interface of the GPIO framework. Note that it describes the new descriptor-based interface. For a description of the -deprecated integer-based GPIO interface please refer to gpio-legacy.txt. +deprecated integer-based GPIO interface please refer to legacy.rst. Guidelines for GPIOs consumers @@ -78,7 +78,7 @@ whether the line is configured active high or active low (see The two last flags are used for use cases where open drain is mandatory, such as I2C: if the line is not already configured as open drain in the mappings -(see board.txt), then open drain will be enforced anyway and a warning will be +(see board.rst), then open drain will be enforced anyway and a warning will be printed that the board configuration needs to be updated to match the use case. Both functions return either a valid GPIO descriptor, or an error code checkable @@ -270,7 +270,7 @@ driven. The same is applicable for open drain or open source output lines: those do not actively drive their output high (open drain) or low (open source), they just switch their output to a high impedance value. The consumer should not need to -care. (For details read about open drain in driver.txt.) +care. (For details read about open drain in driver.rst.) With this, all the gpiod_set_(array)_value_xxx() functions interpret the parameter "value" as "asserted" ("1") or "de-asserted" ("0"). The physical line diff --git a/Documentation/driver-api/gpio/intro.rst b/Documentation/driver-api/gpio/intro.rst index 2e924fb5b3d5..c9c19243b97f 100644 --- a/Documentation/driver-api/gpio/intro.rst +++ b/Documentation/driver-api/gpio/intro.rst @@ -14,12 +14,12 @@ Due to the history of GPIO interfaces in the kernel, there are two different ways to obtain and use GPIOs: - The descriptor-based interface is the preferred way to manipulate GPIOs, - and is described by all the files in this directory excepted gpio-legacy.txt. + and is described by all the files in this directory excepted legacy.rst. - The legacy integer-based interface which is considered deprecated (but still - usable for compatibility reasons) is documented in gpio-legacy.txt. + usable for compatibility reasons) is documented in legacy.rst. The remainder of this document applies to the new descriptor-based interface. -gpio-legacy.txt contains the same information applied to the legacy +legacy.rst contains the same information applied to the legacy integer-based interface. diff --git a/Documentation/filesystems/btrfs.rst b/Documentation/filesystems/btrfs.rst index d0904f602819..992eddb0e11b 100644 --- a/Documentation/filesystems/btrfs.rst +++ b/Documentation/filesystems/btrfs.rst @@ -19,13 +19,23 @@ The main Btrfs features include: * Subvolumes (separate internal filesystem roots) * Object level mirroring and striping * Checksums on data and metadata (multiple algorithms available) - * Compression + * Compression (multiple algorithms available) + * Reflink, deduplication + * Scrub (on-line checksum verification) + * Hierarchical quota groups (subvolume and snapshot support) * Integrated multiple device support, with several raid algorithms * Offline filesystem check - * Efficient incremental backup and FS mirroring + * Efficient incremental backup and FS mirroring (send/receive) + * Trim/discard * Online filesystem defragmentation + * Swapfile support + * Zoned mode + * Read/write metadata verification + * Online resize (shrink, grow) -For more information please refer to the wiki +For more information please refer to the documentation site or wiki + + https://btrfs.readthedocs.io https://btrfs.wiki.kernel.org diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst index b854bb413164..6b2bac8e9ce0 100644 --- a/Documentation/kbuild/llvm.rst +++ b/Documentation/kbuild/llvm.rst @@ -129,18 +129,24 @@ yet. Bug reports are always welcome at the issue tracker below! * - arm64 - Supported - ``LLVM=1`` + * - hexagon + - Maintained + - ``LLVM=1`` * - mips - Maintained - - ``CC=clang`` + - ``LLVM=1`` * - powerpc - Maintained - ``CC=clang`` * - riscv - Maintained - - ``CC=clang`` + - ``LLVM=1`` * - s390 - Maintained - ``CC=clang`` + * - um (User Mode) + - Maintained + - ``LLVM=1`` * - x86 - Supported - ``LLVM=1`` diff --git a/Documentation/vm/hwpoison.rst b/Documentation/vm/hwpoison.rst index c742de1769d1..b9d5253c1305 100644 --- a/Documentation/vm/hwpoison.rst +++ b/Documentation/vm/hwpoison.rst @@ -120,7 +120,8 @@ Testing unpoison-pfn Software-unpoison page at PFN echoed into this file. This way a page can be reused again. This only works for Linux - injected failures, not for real memory failures. + injected failures, not for real memory failures. Once any hardware + memory failure happens, this feature is disabled. Note these injection interfaces are not stable and might change between kernel versions diff --git a/MAINTAINERS b/MAINTAINERS index 3cf9842d9233..66bffb24a348 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -427,6 +427,7 @@ ACPI VIOT DRIVER M: Jean-Philippe Brucker <jean-philippe@linaro.org> L: linux-acpi@vger.kernel.org L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Maintained F: drivers/acpi/viot.c F: include/linux/acpi_viot.h @@ -960,6 +961,7 @@ AMD IOMMU (AMD-VI) M: Joerg Roedel <joro@8bytes.org> R: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git F: drivers/iommu/amd/ @@ -2467,6 +2469,7 @@ ARM/NXP S32G ARCHITECTURE M: Chester Lin <clin@suse.com> R: Andreas Färber <afaerber@suse.de> R: Matthias Brugger <mbrugger@suse.com> +R: NXP S32 Linux Team <s32@nxp.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm64/boot/dts/freescale/s32g*.dts* @@ -3662,7 +3665,7 @@ BPF JIT for ARM M: Shubham Bansal <illusionist.neo@gmail.com> L: netdev@vger.kernel.org L: bpf@vger.kernel.org -S: Maintained +S: Odd Fixes F: arch/arm/net/ BPF JIT for ARM64 @@ -3686,14 +3689,15 @@ BPF JIT for NFP NICs M: Jakub Kicinski <kuba@kernel.org> L: netdev@vger.kernel.org L: bpf@vger.kernel.org -S: Supported +S: Odd Fixes F: drivers/net/ethernet/netronome/nfp/bpf/ BPF JIT for POWERPC (32-BIT AND 64-BIT) M: Naveen N. Rao <naveen.n.rao@linux.ibm.com> +M: Michael Ellerman <mpe@ellerman.id.au> L: netdev@vger.kernel.org L: bpf@vger.kernel.org -S: Maintained +S: Supported F: arch/powerpc/net/ BPF JIT for RISC-V (32-bit) @@ -3719,7 +3723,7 @@ M: Heiko Carstens <hca@linux.ibm.com> M: Vasily Gorbik <gor@linux.ibm.com> L: netdev@vger.kernel.org L: bpf@vger.kernel.org -S: Maintained +S: Supported F: arch/s390/net/ X: arch/s390/net/pnet.c @@ -3727,14 +3731,14 @@ BPF JIT for SPARC (32-BIT AND 64-BIT) M: David S. Miller <davem@davemloft.net> L: netdev@vger.kernel.org L: bpf@vger.kernel.org -S: Maintained +S: Odd Fixes F: arch/sparc/net/ BPF JIT for X86 32-BIT M: Wang YanQing <udknight@gmail.com> L: netdev@vger.kernel.org L: bpf@vger.kernel.org -S: Maintained +S: Odd Fixes F: arch/x86/net/bpf_jit_comp32.c BPF JIT for X86 64-BIT @@ -3757,6 +3761,19 @@ F: include/linux/bpf_lsm.h F: kernel/bpf/bpf_lsm.c F: security/bpf/ +BPF L7 FRAMEWORK +M: John Fastabend <john.fastabend@gmail.com> +M: Jakub Sitnicki <jakub@cloudflare.com> +L: netdev@vger.kernel.org +L: bpf@vger.kernel.org +S: Maintained +F: include/linux/skmsg.h +F: net/core/skmsg.c +F: net/core/sock_map.c +F: net/ipv4/tcp_bpf.c +F: net/ipv4/udp_bpf.c +F: net/unix/unix_bpf.c + BPFTOOL M: Quentin Monnet <quentin@isovalent.com> L: bpf@vger.kernel.org @@ -3796,12 +3813,12 @@ N: bcmbca N: bcm[9]?47622 BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE -M: Nicolas Saenz Julienne <nsaenz@kernel.org> +M: Florian Fainelli <f.fainelli@gmail.com> R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com> L: linux-rpi-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained -T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsaenz/linux-rpi.git +T: git git://github.com/broadcom/stblinux.git F: Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml F: drivers/pci/controller/pcie-brcmstb.c F: drivers/staging/vc04_services @@ -4959,6 +4976,7 @@ Q: http://patchwork.kernel.org/project/linux-clk/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git F: Documentation/devicetree/bindings/clock/ F: drivers/clk/ +F: include/dt-bindings/clock/ F: include/linux/clk-pr* F: include/linux/clk/ F: include/linux/of_clk.h @@ -5962,6 +5980,7 @@ M: Christoph Hellwig <hch@lst.de> M: Marek Szyprowski <m.szyprowski@samsung.com> R: Robin Murphy <robin.murphy@arm.com> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Supported W: http://git.infradead.org/users/hch/dma-mapping.git T: git git://git.infradead.org/users/hch/dma-mapping.git @@ -5974,6 +5993,7 @@ F: kernel/dma/ DMA MAPPING BENCHMARK M: Xiang Chen <chenxiang66@hisilicon.com> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev F: kernel/dma/map_benchmark.c F: tools/testing/selftests/dma/ @@ -7558,6 +7578,7 @@ F: drivers/gpu/drm/exynos/exynos_dp* EXYNOS SYSMMU (IOMMU) driver M: Marek Szyprowski <m.szyprowski@samsung.com> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Maintained F: drivers/iommu/exynos-iommu.c @@ -8479,6 +8500,7 @@ F: Documentation/devicetree/bindings/gpio/ F: Documentation/driver-api/gpio/ F: drivers/gpio/ F: include/asm-generic/gpio.h +F: include/dt-bindings/gpio/ F: include/linux/gpio.h F: include/linux/gpio/ F: include/linux/of_gpio.h @@ -9132,6 +9154,7 @@ F: drivers/media/platform/st/sti/hva HWPOISON MEMORY FAILURE HANDLING M: Naoya Horiguchi <naoya.horiguchi@nec.com> +R: Miaohe Lin <linmiaohe@huawei.com> L: linux-mm@kvack.org S: Maintained F: mm/hwpoison-inject.c @@ -9977,6 +10000,7 @@ INTEL IOMMU (VT-d) M: David Woodhouse <dwmw2@infradead.org> M: Lu Baolu <baolu.lu@linux.intel.com> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git F: drivers/iommu/intel/ @@ -10356,6 +10380,7 @@ IOMMU DRIVERS M: Joerg Roedel <joro@8bytes.org> M: Will Deacon <will@kernel.org> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git F: Documentation/devicetree/bindings/iommu/ @@ -10832,6 +10857,7 @@ M: Marc Zyngier <maz@kernel.org> R: James Morse <james.morse@arm.com> R: Alexandru Elisei <alexandru.elisei@arm.com> R: Suzuki K Poulose <suzuki.poulose@arm.com> +R: Oliver Upton <oliver.upton@linux.dev> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: kvmarm@lists.cs.columbia.edu (moderated for non-subscribers) S: Maintained @@ -10898,28 +10924,51 @@ F: tools/testing/selftests/kvm/*/s390x/ F: tools/testing/selftests/kvm/s390x/ KERNEL VIRTUAL MACHINE FOR X86 (KVM/x86) +M: Sean Christopherson <seanjc@google.com> M: Paolo Bonzini <pbonzini@redhat.com> -R: Sean Christopherson <seanjc@google.com> -R: Vitaly Kuznetsov <vkuznets@redhat.com> -R: Wanpeng Li <wanpengli@tencent.com> -R: Jim Mattson <jmattson@google.com> -R: Joerg Roedel <joro@8bytes.org> L: kvm@vger.kernel.org S: Supported -W: http://www.linux-kvm.org T: git git://git.kernel.org/pub/scm/virt/kvm/kvm.git F: arch/x86/include/asm/kvm* -F: arch/x86/include/asm/pvclock-abi.h F: arch/x86/include/asm/svm.h F: arch/x86/include/asm/vmx*.h F: arch/x86/include/uapi/asm/kvm* F: arch/x86/include/uapi/asm/svm.h F: arch/x86/include/uapi/asm/vmx.h -F: arch/x86/kernel/kvm.c -F: arch/x86/kernel/kvmclock.c F: arch/x86/kvm/ F: arch/x86/kvm/*/ +KVM PARAVIRT (KVM/paravirt) +M: Paolo Bonzini <pbonzini@redhat.com> +R: Wanpeng Li <wanpengli@tencent.com> +R: Vitaly Kuznetsov <vkuznets@redhat.com> +L: kvm@vger.kernel.org +S: Supported +T: git git://git.kernel.org/pub/scm/virt/kvm/kvm.git +F: arch/x86/kernel/kvm.c +F: arch/x86/kernel/kvmclock.c +F: arch/x86/include/asm/pvclock-abi.h +F: include/linux/kvm_para.h +F: include/uapi/linux/kvm_para.h +F: include/uapi/asm-generic/kvm_para.h +F: include/asm-generic/kvm_para.h +F: arch/um/include/asm/kvm_para.h +F: arch/x86/include/asm/kvm_para.h +F: arch/x86/include/uapi/asm/kvm_para.h + +KVM X86 HYPER-V (KVM/hyper-v) +M: Vitaly Kuznetsov <vkuznets@redhat.com> +M: Sean Christopherson <seanjc@google.com> +M: Paolo Bonzini <pbonzini@redhat.com> +L: kvm@vger.kernel.org +S: Supported +T: git git://git.kernel.org/pub/scm/virt/kvm/kvm.git +F: arch/x86/kvm/hyperv.* +F: arch/x86/kvm/kvm_onhyperv.* +F: arch/x86/kvm/svm/hyperv.* +F: arch/x86/kvm/svm/svm_onhyperv.* +F: arch/x86/kvm/vmx/evmcs.* + KERNFS M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> M: Tejun Heo <tj@kernel.org> @@ -11098,20 +11147,6 @@ S: Maintained F: include/net/l3mdev.h F: net/l3mdev -L7 BPF FRAMEWORK -M: John Fastabend <john.fastabend@gmail.com> -M: Daniel Borkmann <daniel@iogearbox.net> -M: Jakub Sitnicki <jakub@cloudflare.com> -L: netdev@vger.kernel.org -L: bpf@vger.kernel.org -S: Maintained -F: include/linux/skmsg.h -F: net/core/skmsg.c -F: net/core/sock_map.c -F: net/ipv4/tcp_bpf.c -F: net/ipv4/udp_bpf.c -F: net/unix/unix_bpf.c - LANDLOCK SECURITY MODULE M: Mickaël Salaün <mic@digikod.net> L: linux-security-module@vger.kernel.org @@ -11591,6 +11626,7 @@ F: drivers/gpu/drm/bridge/lontium-lt8912b.c LOONGARCH M: Huacai Chen <chenhuacai@kernel.org> R: WANG Xuerui <kernel@xen0n.name> +L: loongarch@lists.linux.dev S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git F: arch/loongarch/ @@ -12504,6 +12540,7 @@ F: drivers/i2c/busses/i2c-mt65xx.c MEDIATEK IOMMU DRIVER M: Yong Wu <yong.wu@mediatek.com> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev L: linux-mediatek@lists.infradead.org (moderated for non-subscribers) S: Supported F: Documentation/devicetree/bindings/iommu/mediatek* @@ -12846,9 +12883,8 @@ M: Andrew Morton <akpm@linux-foundation.org> L: linux-mm@kvack.org S: Maintained W: http://www.linux-mm.org -T: quilt https://ozlabs.org/~akpm/mmotm/ -T: quilt https://ozlabs.org/~akpm/mmots/ -T: git git://github.com/hnaz/linux-mm.git +T: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm +T: quilt git://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new F: include/linux/gfp.h F: include/linux/memory_hotplug.h F: include/linux/mm.h @@ -12858,6 +12894,18 @@ F: include/linux/vmalloc.h F: mm/ F: tools/testing/selftests/vm/ +MEMORY HOT(UN)PLUG +M: David Hildenbrand <david@redhat.com> +M: Oscar Salvador <osalvador@suse.de> +L: linux-mm@kvack.org +S: Maintained +F: Documentation/admin-guide/mm/memory-hotplug.rst +F: Documentation/core-api/memory-hotplug.rst +F: drivers/base/memory.c +F: include/linux/memory_hotplug.h +F: mm/memory_hotplug.c +F: tools/testing/selftests/memory-hotplug/ + MEMORY TECHNOLOGY DEVICES (MTD) M: Miquel Raynal <miquel.raynal@bootlin.com> M: Richard Weinberger <richard@nod.at> @@ -13954,7 +14002,6 @@ F: net/ipv6/tcp*.c NETWORKING [TLS] M: Boris Pismenny <borisp@nvidia.com> M: John Fastabend <john.fastabend@gmail.com> -M: Daniel Borkmann <daniel@iogearbox.net> M: Jakub Kicinski <kuba@kernel.org> L: netdev@vger.kernel.org S: Maintained @@ -14263,7 +14310,7 @@ F: drivers/iio/gyro/fxas21002c_i2c.c F: drivers/iio/gyro/fxas21002c_spi.c NXP i.MX CLOCK DRIVERS -M: Abel Vesa <abel.vesa@nxp.com> +M: Abel Vesa <abelvesa@kernel.org> L: linux-clk@vger.kernel.org L: linux-imx@nxp.com S: Maintained @@ -14351,9 +14398,8 @@ F: Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml F: sound/soc/codecs/tfa989x.c NXP-NCI NFC DRIVER -R: Charles Gorand <charles.gorand@effinnov.com> L: linux-nfc@lists.01.org (subscribers-only) -S: Supported +S: Orphan F: Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml F: drivers/nfc/nxp-nci @@ -14871,6 +14917,7 @@ F: include/dt-bindings/ OPENCOMPUTE PTP CLOCK DRIVER M: Jonathan Lemon <jonathan.lemon@gmail.com> +M: Vadim Fedorenko <vadfed@fb.com> L: netdev@vger.kernel.org S: Maintained F: drivers/ptp/ptp_ocp.c @@ -16490,7 +16537,7 @@ F: Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml F: drivers/cpufreq/qcom-cpufreq-nvmem.c QUALCOMM CRYPTO DRIVERS -M: Thara Gopinath <thara.gopinath@linaro.org> +M: Thara Gopinath <thara.gopinath@gmail.com> L: linux-crypto@vger.kernel.org L: linux-arm-msm@vger.kernel.org S: Maintained @@ -16545,6 +16592,7 @@ F: drivers/i2c/busses/i2c-qcom-cci.c QUALCOMM IOMMU M: Rob Clark <robdclark@gmail.com> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev L: linux-arm-msm@vger.kernel.org S: Maintained F: drivers/iommu/arm/arm-smmu/qcom_iommu.c @@ -16600,7 +16648,7 @@ F: include/linux/if_rmnet.h QUALCOMM TSENS THERMAL DRIVER M: Amit Kucheria <amitk@kernel.org> -M: Thara Gopinath <thara.gopinath@linaro.org> +M: Thara Gopinath <thara.gopinath@gmail.com> L: linux-pm@vger.kernel.org L: linux-arm-msm@vger.kernel.org S: Maintained @@ -19170,6 +19218,7 @@ F: arch/x86/boot/video* SWIOTLB SUBSYSTEM M: Christoph Hellwig <hch@infradead.org> L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Supported W: http://git.infradead.org/users/hch/dma-mapping.git T: git git://git.infradead.org/users/hch/dma-mapping.git @@ -20714,6 +20763,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git F: Documentation/devicetree/bindings/usb/ F: Documentation/usb/ F: drivers/usb/ +F: include/dt-bindings/usb/ F: include/linux/usb.h F: include/linux/usb/ @@ -21844,6 +21894,7 @@ M: Juergen Gross <jgross@suse.com> M: Stefano Stabellini <sstabellini@kernel.org> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) L: iommu@lists.linux-foundation.org +L: iommu@lists.linux.dev S: Supported F: arch/x86/xen/*swiotlb* F: drivers/xen/*swiotlb* @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 19 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc4 NAME = Superb Owl # *DOCUMENTATION* @@ -1141,7 +1141,7 @@ KBUILD_MODULES := 1 autoksyms_recursive: descend modules.order $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \ - "$(MAKE) -f $(srctree)/Makefile vmlinux" + "$(MAKE) -f $(srctree)/Makefile autoksyms_recursive" endif autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h) diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 184899808ee7..5112f493f494 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1586,7 +1586,6 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-lenovo-hr630.dtb \ aspeed-bmc-lenovo-hr855xg2.dtb \ aspeed-bmc-microsoft-olympus.dtb \ - aspeed-bmc-nuvia-dc-scm.dtb \ aspeed-bmc-opp-lanyang.dtb \ aspeed-bmc-opp-mihawk.dtb \ aspeed-bmc-opp-mowgli.dtb \ @@ -1599,6 +1598,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-opp-witherspoon.dtb \ aspeed-bmc-opp-zaius.dtb \ aspeed-bmc-portwell-neptune.dtb \ + aspeed-bmc-qcom-dc-scm-v1.dtb \ aspeed-bmc-quanta-q71l.dtb \ aspeed-bmc-quanta-s6q.dtb \ aspeed-bmc-supermicro-x11spi.dtb \ diff --git a/arch/arm/boot/dts/aspeed-bmc-nuvia-dc-scm.dts b/arch/arm/boot/dts/aspeed-bmc-qcom-dc-scm-v1.dts index f4a97cfb0f23..259ef3f54c5c 100644 --- a/arch/arm/boot/dts/aspeed-bmc-nuvia-dc-scm.dts +++ b/arch/arm/boot/dts/aspeed-bmc-qcom-dc-scm-v1.dts @@ -6,8 +6,8 @@ #include "aspeed-g6.dtsi" / { - model = "Nuvia DC-SCM BMC"; - compatible = "nuvia,dc-scm-bmc", "aspeed,ast2600"; + model = "Qualcomm DC-SCM V1 BMC"; + compatible = "qcom,dc-scm-v1-bmc", "aspeed,ast2600"; aliases { serial4 = &uart5; diff --git a/arch/arm/boot/dts/bcm2711-rpi-400.dts b/arch/arm/boot/dts/bcm2711-rpi-400.dts index f4d2fc20397c..c53d9eb0b802 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-400.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts @@ -28,12 +28,12 @@ &expgpio { gpio-line-names = "BT_ON", "WL_ON", - "", + "PWR_LED_OFF", "GLOBAL_RESET", "VDD_SD_IO_SEL", - "CAM_GPIO", + "GLOBAL_SHUTDOWN", "SD_PWR_ON", - "SD_OC_N"; + "SHUTDOWN_REQUEST"; }; &genet_mdio { diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi index c383e0e4110c..7df270cea292 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -593,7 +593,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_atmel_conn>; reg = <0x4a>; - reset-gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>; /* SODIMM 106 */ + reset-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>; /* SODIMM 106 */ status = "disabled"; }; }; diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index d27beb47f9a3..652feff33496 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -762,7 +762,7 @@ regulator-name = "vddpu"; regulator-min-microvolt = <725000>; regulator-max-microvolt = <1450000>; - regulator-enable-ramp-delay = <150>; + regulator-enable-ramp-delay = <380>; anatop-reg-offset = <0x140>; anatop-vol-bit-shift = <9>; anatop-vol-bit-width = <5>; diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi index 008e3da460f1..039eed79d2e7 100644 --- a/arch/arm/boot/dts/imx7s.dtsi +++ b/arch/arm/boot/dts/imx7s.dtsi @@ -120,6 +120,7 @@ compatible = "usb-nop-xceiv"; clocks = <&clks IMX7D_USB_HSIC_ROOT_CLK>; clock-names = "main_clk"; + power-domains = <&pgc_hsic_phy>; #phy-cells = <0>; }; @@ -1153,7 +1154,6 @@ compatible = "fsl,imx7d-usb", "fsl,imx27-usb"; reg = <0x30b30000 0x200>; interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>; - power-domains = <&pgc_hsic_phy>; clocks = <&clks IMX7D_USB_CTRL_CLK>; fsl,usbphy = <&usbphynop3>; fsl,usbmisc = <&usbmisc3 0>; diff --git a/arch/arm/boot/dts/stm32mp15-scmi.dtsi b/arch/arm/boot/dts/stm32mp15-scmi.dtsi new file mode 100644 index 000000000000..e90cf3acd0b3 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp15-scmi.dtsi @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (C) STMicroelectronics 2022 - All Rights Reserved + * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics. + */ + +/ { + firmware { + optee: optee { + compatible = "linaro,optee-tz"; + method = "smc"; + }; + + scmi: scmi { + compatible = "linaro,scmi-optee"; + #address-cells = <1>; + #size-cells = <0>; + linaro,optee-channel-id = <0>; + shmem = <&scmi_shm>; + + scmi_clk: protocol@14 { + reg = <0x14>; + #clock-cells = <1>; + }; + + scmi_reset: protocol@16 { + reg = <0x16>; + #reset-cells = <1>; + }; + }; + }; + + soc { + scmi_sram: sram@2ffff000 { + compatible = "mmio-sram"; + reg = <0x2ffff000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x2ffff000 0x1000>; + + scmi_shm: scmi-sram@0 { + compatible = "arm,scmi-shmem"; + reg = <0 0x80>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi index 1b2fd3426a81..7fdc324b3cf9 100644 --- a/arch/arm/boot/dts/stm32mp151.dtsi +++ b/arch/arm/boot/dts/stm32mp151.dtsi @@ -115,33 +115,6 @@ status = "disabled"; }; - firmware { - optee: optee { - compatible = "linaro,optee-tz"; - method = "smc"; - status = "disabled"; - }; - - scmi: scmi { - compatible = "linaro,scmi-optee"; - #address-cells = <1>; - #size-cells = <0>; - linaro,optee-channel-id = <0>; - shmem = <&scmi_shm>; - status = "disabled"; - - scmi_clk: protocol@14 { - reg = <0x14>; - #clock-cells = <1>; - }; - - scmi_reset: protocol@16 { - reg = <0x16>; - #reset-cells = <1>; - }; - }; - }; - soc { compatible = "simple-bus"; #address-cells = <1>; @@ -149,20 +122,6 @@ interrupt-parent = <&intc>; ranges; - scmi_sram: sram@2ffff000 { - compatible = "mmio-sram"; - reg = <0x2ffff000 0x1000>; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0 0x2ffff000 0x1000>; - - scmi_shm: scmi-sram@0 { - compatible = "arm,scmi-shmem"; - reg = <0 0x80>; - status = "disabled"; - }; - }; - timers2: timer@40000000 { #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts index e3d3f3f30c7d..36371d6ed660 100644 --- a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts +++ b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts @@ -7,6 +7,7 @@ /dts-v1/; #include "stm32mp157a-dk1.dts" +#include "stm32mp15-scmi.dtsi" / { model = "STMicroelectronics STM32MP157A-DK1 SCMI Discovery Board"; @@ -54,10 +55,6 @@ resets = <&scmi_reset RST_SCMI_MCU>; }; -&optee { - status = "okay"; -}; - &rcc { compatible = "st,stm32mp1-rcc-secure", "syscon"; clock-names = "hse", "hsi", "csi", "lse", "lsi"; @@ -76,11 +73,3 @@ &rtc { clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>; }; - -&scmi { - status = "okay"; -}; - -&scmi_shm { - status = "okay"; -}; diff --git a/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts b/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts index 45dcd299aa9e..03226a596904 100644 --- a/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts +++ b/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts @@ -7,6 +7,7 @@ /dts-v1/; #include "stm32mp157c-dk2.dts" +#include "stm32mp15-scmi.dtsi" / { model = "STMicroelectronics STM32MP157C-DK2 SCMI Discovery Board"; @@ -63,10 +64,6 @@ resets = <&scmi_reset RST_SCMI_MCU>; }; -&optee { - status = "okay"; -}; - &rcc { compatible = "st,stm32mp1-rcc-secure", "syscon"; clock-names = "hse", "hsi", "csi", "lse", "lsi"; @@ -85,11 +82,3 @@ &rtc { clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>; }; - -&scmi { - status = "okay"; -}; - -&scmi_shm { - status = "okay"; -}; diff --git a/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts b/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts index 458e0ca3cded..c1a79272c068 100644 --- a/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts +++ b/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts @@ -7,6 +7,7 @@ /dts-v1/; #include "stm32mp157c-ed1.dts" +#include "stm32mp15-scmi.dtsi" / { model = "STMicroelectronics STM32MP157C-ED1 SCMI eval daughter"; @@ -59,10 +60,6 @@ resets = <&scmi_reset RST_SCMI_MCU>; }; -&optee { - status = "okay"; -}; - &rcc { compatible = "st,stm32mp1-rcc-secure", "syscon"; clock-names = "hse", "hsi", "csi", "lse", "lsi"; @@ -81,11 +78,3 @@ &rtc { clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>; }; - -&scmi { - status = "okay"; -}; - -&scmi_shm { - status = "okay"; -}; diff --git a/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts b/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts index df9c113edb4b..7842384ddbe4 100644 --- a/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts +++ b/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts @@ -7,6 +7,7 @@ /dts-v1/; #include "stm32mp157c-ev1.dts" +#include "stm32mp15-scmi.dtsi" / { model = "STMicroelectronics STM32MP157C-EV1 SCMI eval daughter on eval mother"; @@ -68,10 +69,6 @@ resets = <&scmi_reset RST_SCMI_MCU>; }; -&optee { - status = "okay"; -}; - &rcc { compatible = "st,stm32mp1-rcc-secure", "syscon"; clock-names = "hse", "hsi", "csi", "lse", "lsi"; @@ -90,11 +87,3 @@ &rtc { clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>; }; - -&scmi { - status = "okay"; -}; - -&scmi_shm { - status = "okay"; -}; diff --git a/arch/arm/mach-axxia/platsmp.c b/arch/arm/mach-axxia/platsmp.c index 512943eae30a..2e203626eda5 100644 --- a/arch/arm/mach-axxia/platsmp.c +++ b/arch/arm/mach-axxia/platsmp.c @@ -39,6 +39,7 @@ static int axxia_boot_secondary(unsigned int cpu, struct task_struct *idle) return -ENOENT; syscon = of_iomap(syscon_np, 0); + of_node_put(syscon_np); if (!syscon) return -ENOMEM; diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c index e4f4b20b83a2..3fc4ec830e3a 100644 --- a/arch/arm/mach-cns3xxx/core.c +++ b/arch/arm/mach-cns3xxx/core.c @@ -372,6 +372,7 @@ static void __init cns3xxx_init(void) /* De-Asscer SATA Reset */ cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA)); } + of_node_put(dn); dn = of_find_compatible_node(NULL, NULL, "cavium,cns3420-sdhci"); if (of_device_is_available(dn)) { @@ -385,6 +386,7 @@ static void __init cns3xxx_init(void) cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO)); cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SDIO)); } + of_node_put(dn); pm_power_off = cns3xxx_power_off; diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 8b48326be9fd..51a247ca4da8 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -149,6 +149,7 @@ static void exynos_map_pmu(void) np = of_find_matching_node(NULL, exynos_dt_pmu_match); if (np) pmu_base_addr = of_iomap(np, 0); + of_node_put(np); } static void __init exynos_init_irq(void) diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c index d1fdb6066f7b..c7c17c0f936c 100644 --- a/arch/arm/mach-spear/time.c +++ b/arch/arm/mach-spear/time.c @@ -218,13 +218,13 @@ void __init spear_setup_of_timer(void) irq = irq_of_parse_and_map(np, 0); if (!irq) { pr_err("%s: No irq passed for timer via DT\n", __func__); - return; + goto err_put_np; } gpt_base = of_iomap(np, 0); if (!gpt_base) { pr_err("%s: of iomap failed\n", __func__); - return; + goto err_put_np; } gpt_clk = clk_get_sys("gpt0", NULL); @@ -239,6 +239,8 @@ void __init spear_setup_of_timer(void) goto err_prepare_enable_clk; } + of_node_put(np); + spear_clockevent_init(irq); spear_clocksource_init(); @@ -248,4 +250,6 @@ err_prepare_enable_clk: clk_put(gpt_clk); err_iomap: iounmap(gpt_base); +err_put_np: + of_node_put(np); } diff --git a/arch/arm64/boot/dts/exynos/exynos7885.dtsi b/arch/arm64/boot/dts/exynos/exynos7885.dtsi index 3170661f5b67..9c233c56558c 100644 --- a/arch/arm64/boot/dts/exynos/exynos7885.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7885.dtsi @@ -280,8 +280,8 @@ interrupts = <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&uart0_bus>; - clocks = <&cmu_peri CLK_GOUT_UART0_EXT_UCLK>, - <&cmu_peri CLK_GOUT_UART0_PCLK>; + clocks = <&cmu_peri CLK_GOUT_UART0_PCLK>, + <&cmu_peri CLK_GOUT_UART0_EXT_UCLK>; clock-names = "uart", "clk_uart_baud0"; samsung,uart-fifosize = <64>; status = "disabled"; @@ -293,8 +293,8 @@ interrupts = <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&uart1_bus>; - clocks = <&cmu_peri CLK_GOUT_UART1_EXT_UCLK>, - <&cmu_peri CLK_GOUT_UART1_PCLK>; + clocks = <&cmu_peri CLK_GOUT_UART1_PCLK>, + <&cmu_peri CLK_GOUT_UART1_EXT_UCLK>; clock-names = "uart", "clk_uart_baud0"; samsung,uart-fifosize = <256>; status = "disabled"; @@ -306,8 +306,8 @@ interrupts = <GIC_SPI 279 IRQ_TYPE_LEVEL_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&uart2_bus>; - clocks = <&cmu_peri CLK_GOUT_UART2_EXT_UCLK>, - <&cmu_peri CLK_GOUT_UART2_PCLK>; + clocks = <&cmu_peri CLK_GOUT_UART2_PCLK>, + <&cmu_peri CLK_GOUT_UART2_EXT_UCLK>; clock-names = "uart", "clk_uart_baud0"; samsung,uart-fifosize = <256>; status = "disabled"; diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi index 59ea8a25aa4c..824d401e7a2c 100644 --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi @@ -79,7 +79,7 @@ }; }; - soc { + soc@0 { compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi index f64b368c6c37..cdb530597c5e 100644 --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi @@ -456,13 +456,11 @@ clock-names = "clk_ahb", "clk_xin"; mmc-ddr-1_8v; mmc-hs200-1_8v; - mmc-hs400-1_8v; ti,trm-icp = <0x2>; ti,otap-del-sel-legacy = <0x0>; ti,otap-del-sel-mmc-hs = <0x0>; ti,otap-del-sel-ddr52 = <0x6>; ti,otap-del-sel-hs200 = <0x7>; - ti,otap-del-sel-hs400 = <0x4>; }; sdhci1: mmc@fa00000 { diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi index be7f39299894..19966f72c5b3 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi @@ -33,7 +33,7 @@ ranges; #interrupt-cells = <3>; interrupt-controller; - reg = <0x00 0x01800000 0x00 0x200000>, /* GICD */ + reg = <0x00 0x01800000 0x00 0x100000>, /* GICD */ <0x00 0x01900000 0x00 0x100000>, /* GICR */ <0x00 0x6f000000 0x00 0x2000>, /* GICC */ <0x00 0x6f010000 0x00 0x1000>, /* GICH */ diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index a0188144a122..83a7f61354d3 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -2112,11 +2112,11 @@ static int finalize_hyp_mode(void) return 0; /* - * Exclude HYP BSS from kmemleak so that it doesn't get peeked - * at, which would end badly once the section is inaccessible. - * None of other sections should ever be introspected. + * Exclude HYP sections from kmemleak so that they don't get peeked + * at, which would end badly once inaccessible. */ kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start); + kmemleak_free_part(__va(hyp_mem_base), hyp_mem_size); return pkvm_drop_host_privileges(); } diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index e2a5ec9fdc0d..3618ef3f6d81 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -214,6 +214,19 @@ static pte_t get_clear_contig(struct mm_struct *mm, return orig_pte; } +static pte_t get_clear_contig_flush(struct mm_struct *mm, + unsigned long addr, + pte_t *ptep, + unsigned long pgsize, + unsigned long ncontig) +{ + pte_t orig_pte = get_clear_contig(mm, addr, ptep, pgsize, ncontig); + struct vm_area_struct vma = TLB_FLUSH_VMA(mm, 0); + + flush_tlb_range(&vma, addr, addr + (pgsize * ncontig)); + return orig_pte; +} + /* * Changing some bits of contiguous entries requires us to follow a * Break-Before-Make approach, breaking the whole contiguous set @@ -447,19 +460,20 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma, int ncontig, i; size_t pgsize = 0; unsigned long pfn = pte_pfn(pte), dpfn; + struct mm_struct *mm = vma->vm_mm; pgprot_t hugeprot; pte_t orig_pte; if (!pte_cont(pte)) return ptep_set_access_flags(vma, addr, ptep, pte, dirty); - ncontig = find_num_contig(vma->vm_mm, addr, ptep, &pgsize); + ncontig = find_num_contig(mm, addr, ptep, &pgsize); dpfn = pgsize >> PAGE_SHIFT; if (!__cont_access_flags_changed(ptep, pte, ncontig)) return 0; - orig_pte = get_clear_contig(vma->vm_mm, addr, ptep, pgsize, ncontig); + orig_pte = get_clear_contig_flush(mm, addr, ptep, pgsize, ncontig); /* Make sure we don't lose the dirty or young state */ if (pte_dirty(orig_pte)) @@ -470,7 +484,7 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma, hugeprot = pte_pgprot(pte); for (i = 0; i < ncontig; i++, ptep++, addr += pgsize, pfn += dpfn) - set_pte_at(vma->vm_mm, addr, ptep, pfn_pte(pfn, hugeprot)); + set_pte_at(mm, addr, ptep, pfn_pte(pfn, hugeprot)); return 1; } @@ -492,7 +506,7 @@ void huge_ptep_set_wrprotect(struct mm_struct *mm, ncontig = find_num_contig(mm, addr, ptep, &pgsize); dpfn = pgsize >> PAGE_SHIFT; - pte = get_clear_contig(mm, addr, ptep, pgsize, ncontig); + pte = get_clear_contig_flush(mm, addr, ptep, pgsize, ncontig); pte = pte_wrprotect(pte); hugeprot = pte_pgprot(pte); @@ -505,17 +519,15 @@ void huge_ptep_set_wrprotect(struct mm_struct *mm, pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { + struct mm_struct *mm = vma->vm_mm; size_t pgsize; int ncontig; - pte_t orig_pte; if (!pte_cont(READ_ONCE(*ptep))) return ptep_clear_flush(vma, addr, ptep); - ncontig = find_num_contig(vma->vm_mm, addr, ptep, &pgsize); - orig_pte = get_clear_contig(vma->vm_mm, addr, ptep, pgsize, ncontig); - flush_tlb_range(vma, addr, addr + pgsize * ncontig); - return orig_pte; + ncontig = find_num_contig(mm, addr, ptep, &pgsize); + return get_clear_contig_flush(mm, addr, ptep, pgsize, ncontig); } static int __init hugetlbpage_init(void) diff --git a/arch/loongarch/include/asm/branch.h b/arch/loongarch/include/asm/branch.h index 3f33c89f35b4..9a133e4c068e 100644 --- a/arch/loongarch/include/asm/branch.h +++ b/arch/loongarch/include/asm/branch.h @@ -12,10 +12,9 @@ static inline unsigned long exception_era(struct pt_regs *regs) return regs->csr_era; } -static inline int compute_return_era(struct pt_regs *regs) +static inline void compute_return_era(struct pt_regs *regs) { regs->csr_era += 4; - return 0; } #endif /* _ASM_BRANCH_H */ diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h index 5dc84d8f18d6..d9e86cfa53e2 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -426,6 +426,11 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, #define kern_addr_valid(addr) (1) +static inline unsigned long pmd_pfn(pmd_t pmd) +{ + return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT; +} + #ifdef CONFIG_TRANSPARENT_HUGEPAGE /* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/ @@ -497,11 +502,6 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd) return pmd; } -static inline unsigned long pmd_pfn(pmd_t pmd) -{ - return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT; -} - static inline struct page *pmd_page(pmd_t pmd) { if (pmd_trans_huge(pmd)) diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c index 6c87ea36b257..529ab8f44ec6 100644 --- a/arch/loongarch/kernel/cpu-probe.c +++ b/arch/loongarch/kernel/cpu-probe.c @@ -263,7 +263,7 @@ void cpu_probe(void) c->cputype = CPU_UNKNOWN; c->processor_id = read_cpucfg(LOONGARCH_CPUCFG0); - c->fpu_vers = (read_cpucfg(LOONGARCH_CPUCFG2) >> 3) & 0x3; + c->fpu_vers = (read_cpucfg(LOONGARCH_CPUCFG2) & CPUCFG2_FPVERS) >> 3; c->fpu_csr0 = FPU_CSR_RN; c->fpu_mask = FPU_CSR_RSVD; diff --git a/arch/loongarch/kernel/head.S b/arch/loongarch/kernel/head.S index e596dfcd924b..d01e62dd414f 100644 --- a/arch/loongarch/kernel/head.S +++ b/arch/loongarch/kernel/head.S @@ -14,8 +14,6 @@ __REF -SYM_ENTRY(_stext, SYM_L_GLOBAL, SYM_A_NONE) - SYM_CODE_START(kernel_entry) # kernel entry point /* Config direct window and set PG */ diff --git a/arch/loongarch/kernel/traps.c b/arch/loongarch/kernel/traps.c index e4060f84a221..1bf58c65e2bf 100644 --- a/arch/loongarch/kernel/traps.c +++ b/arch/loongarch/kernel/traps.c @@ -475,8 +475,7 @@ asmlinkage void noinstr do_ri(struct pt_regs *regs) die_if_kernel("Reserved instruction in kernel code", regs); - if (unlikely(compute_return_era(regs) < 0)) - goto out; + compute_return_era(regs); if (unlikely(get_user(opcode, era) < 0)) { status = SIGSEGV; diff --git a/arch/loongarch/kernel/vmlinux.lds.S b/arch/loongarch/kernel/vmlinux.lds.S index 78311a6101a3..69c76f26c1c5 100644 --- a/arch/loongarch/kernel/vmlinux.lds.S +++ b/arch/loongarch/kernel/vmlinux.lds.S @@ -37,6 +37,7 @@ SECTIONS HEAD_TEXT_SECTION . = ALIGN(PECOFF_SEGMENT_ALIGN); + _stext = .; .text : { TEXT_TEXT SCHED_TEXT diff --git a/arch/loongarch/mm/tlb.c b/arch/loongarch/mm/tlb.c index e272f8ac57d1..9818ce11546b 100644 --- a/arch/loongarch/mm/tlb.c +++ b/arch/loongarch/mm/tlb.c @@ -281,15 +281,16 @@ void setup_tlb_handler(int cpu) if (pcpu_handlers[cpu]) return; - page = alloc_pages_node(cpu_to_node(cpu), GFP_KERNEL, get_order(vec_sz)); + page = alloc_pages_node(cpu_to_node(cpu), GFP_ATOMIC, get_order(vec_sz)); if (!page) return; addr = page_address(page); - pcpu_handlers[cpu] = virt_to_phys(addr); + pcpu_handlers[cpu] = (unsigned long)addr; memcpy((void *)addr, (void *)eentry, vec_sz); local_flush_icache_range((unsigned long)addr, (unsigned long)addr + vec_sz); - csr_write64(pcpu_handlers[cpu], LOONGARCH_CSR_TLBRENTRY); + csr_write64(pcpu_handlers[cpu], LOONGARCH_CSR_EENTRY); + csr_write64(pcpu_handlers[cpu], LOONGARCH_CSR_MERRENTRY); csr_write64(pcpu_handlers[cpu] + 80*VECSIZE, LOONGARCH_CSR_TLBRENTRY); } #endif diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi index b0a034b468bb..42e69664efd9 100644 --- a/arch/mips/boot/dts/ingenic/x1000.dtsi +++ b/arch/mips/boot/dts/ingenic/x1000.dtsi @@ -111,8 +111,9 @@ clocks = <&cgu X1000_CLK_RTCLK>, <&cgu X1000_CLK_EXCLK>, - <&cgu X1000_CLK_PCLK>; - clock-names = "rtc", "ext", "pclk"; + <&cgu X1000_CLK_PCLK>, + <&cgu X1000_CLK_TCU>; + clock-names = "rtc", "ext", "pclk", "tcu"; interrupt-controller; #interrupt-cells = <1>; diff --git a/arch/mips/boot/dts/ingenic/x1830.dtsi b/arch/mips/boot/dts/ingenic/x1830.dtsi index dbf21afaccb1..65a5da71c199 100644 --- a/arch/mips/boot/dts/ingenic/x1830.dtsi +++ b/arch/mips/boot/dts/ingenic/x1830.dtsi @@ -104,8 +104,9 @@ clocks = <&cgu X1830_CLK_RTCLK>, <&cgu X1830_CLK_EXCLK>, - <&cgu X1830_CLK_PCLK>; - clock-names = "rtc", "ext", "pclk"; + <&cgu X1830_CLK_PCLK>, + <&cgu X1830_CLK_TCU>; + clock-names = "rtc", "ext", "pclk", "tcu"; interrupt-controller; #interrupt-cells = <1>; diff --git a/arch/mips/generic/board-ranchu.c b/arch/mips/generic/board-ranchu.c index a89aaad59cb1..930c45041882 100644 --- a/arch/mips/generic/board-ranchu.c +++ b/arch/mips/generic/board-ranchu.c @@ -44,6 +44,7 @@ static __init unsigned int ranchu_measure_hpt_freq(void) __func__); rtc_base = of_iomap(np, 0); + of_node_put(np); if (!rtc_base) panic("%s(): Failed to ioremap Goldfish RTC base!", __func__); diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c index 5204fc6d6d50..1187729d8cbb 100644 --- a/arch/mips/lantiq/falcon/sysctrl.c +++ b/arch/mips/lantiq/falcon/sysctrl.c @@ -208,6 +208,12 @@ void __init ltq_soc_init(void) of_address_to_resource(np_sysgpe, 0, &res_sys[2])) panic("Failed to get core resources"); + of_node_put(np_status); + of_node_put(np_ebu); + of_node_put(np_sys1); + of_node_put(np_syseth); + of_node_put(np_sysgpe); + if ((request_mem_region(res_status.start, resource_size(&res_status), res_status.name) < 0) || (request_mem_region(res_ebu.start, resource_size(&res_ebu), diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index b732495f138a..20622bf0a9b3 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -408,6 +408,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent) if (!ltq_eiu_membase) panic("Failed to remap eiu memory"); } + of_node_put(eiu_node); return 0; } diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 084f6caba5f2..d444a1b98a72 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -441,6 +441,10 @@ void __init ltq_soc_init(void) of_address_to_resource(np_ebu, 0, &res_ebu)) panic("Failed to get core resources"); + of_node_put(np_pmu); + of_node_put(np_cgu); + of_node_put(np_ebu); + if (!request_mem_region(res_pmu.start, resource_size(&res_pmu), res_pmu.name) || !request_mem_region(res_cgu.start, resource_size(&res_cgu), diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index bbf1e38e1431..2cb708cdf01a 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -214,6 +214,8 @@ static void update_gic_frequency_dt(void) if (of_update_property(node, &gic_frequency_prop) < 0) pr_err("error updating gic frequency property\n"); + + of_node_put(node); } #endif diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c index 129915616763..d9c8c4e46aff 100644 --- a/arch/mips/pic32/pic32mzda/init.c +++ b/arch/mips/pic32/pic32mzda/init.c @@ -98,13 +98,18 @@ static int __init pic32_of_prepare_platform_data(struct of_dev_auxdata *lookup) np = of_find_compatible_node(NULL, NULL, lookup->compatible); if (np) { lookup->name = (char *)np->name; - if (lookup->phys_addr) + if (lookup->phys_addr) { + of_node_put(np); continue; + } if (!of_address_to_resource(np, 0, &res)) lookup->phys_addr = res.start; + of_node_put(np); } } + of_node_put(root); + return 0; } diff --git a/arch/mips/pic32/pic32mzda/time.c b/arch/mips/pic32/pic32mzda/time.c index 7174e9abbb1b..777b515c52c8 100644 --- a/arch/mips/pic32/pic32mzda/time.c +++ b/arch/mips/pic32/pic32mzda/time.c @@ -32,6 +32,9 @@ static unsigned int pic32_xlate_core_timer_irq(void) goto default_map; irq = irq_of_parse_and_map(node, 0); + + of_node_put(node); + if (!irq) goto default_map; diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c index 587c7b998769..ea8072acf8d9 100644 --- a/arch/mips/ralink/of.c +++ b/arch/mips/ralink/of.c @@ -40,6 +40,8 @@ __iomem void *plat_of_remap_node(const char *node) if (of_address_to_resource(np, 0, &res)) panic("Failed to get resource for %s", node); + of_node_put(np); + if (!request_mem_region(res.start, resource_size(&res), res.name)) diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c index 7b7f25b4b057..9240bcdbe74e 100644 --- a/arch/mips/vr41xx/common/icu.c +++ b/arch/mips/vr41xx/common/icu.c @@ -640,8 +640,6 @@ static int icu_get_irq(unsigned int irq) printk(KERN_ERR "spurious ICU interrupt: %04x,%04x\n", pend1, pend2); - atomic_inc(&irq_err_count); - return -1; } diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 5f2448dc5a2b..fa400055b2d5 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -10,6 +10,7 @@ config PARISC select ARCH_WANT_FRAME_POINTERS select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_STRICT_KERNEL_RWX + select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAS_PTE_SPECIAL select ARCH_NO_SG_CHAIN diff --git a/arch/parisc/include/asm/fb.h b/arch/parisc/include/asm/fb.h index d63a2acb91f2..55d29c4f716e 100644 --- a/arch/parisc/include/asm/fb.h +++ b/arch/parisc/include/asm/fb.h @@ -12,7 +12,7 @@ static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; } -#if defined(CONFIG_STI_CONSOLE) || defined(CONFIG_FB_STI) +#if defined(CONFIG_FB_STI) int fb_is_primary_device(struct fb_info *info); #else static inline int fb_is_primary_device(struct fb_info *info) diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index c8a11fcecf4c..a9bc578e4c52 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -722,7 +722,10 @@ void flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned lon return; if (parisc_requires_coherency()) { - flush_user_cache_page(vma, vmaddr); + if (vma->vm_flags & VM_SHARED) + flush_data_cache(); + else + flush_user_cache_page(vma, vmaddr); return; } diff --git a/arch/parisc/math-emu/decode_exc.c b/arch/parisc/math-emu/decode_exc.c index 494ca41df05d..d41ddb3430b5 100644 --- a/arch/parisc/math-emu/decode_exc.c +++ b/arch/parisc/math-emu/decode_exc.c @@ -102,7 +102,7 @@ decode_fpu(unsigned int Fpu_register[], unsigned int trap_counts[]) * that happen. Want to keep this overhead low, but still provide * some information to the customer. All exits from this routine * need to restore Fpu_register[0] - */ + */ bflags=(Fpu_register[0] & 0xf8000000); Fpu_register[0] &= 0x07ffffff; diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index ee0433809621..0fbda89cd1bb 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1855,7 +1855,7 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) tm_reclaim_current(0); #endif - memset(regs->gpr, 0, sizeof(regs->gpr)); + memset(®s->gpr[1], 0, sizeof(regs->gpr) - sizeof(regs->gpr[0])); regs->ctr = 0; regs->link = 0; regs->xer = 0; diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 04694ec423f6..13d6cb188835 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2302,7 +2302,7 @@ static void __init prom_init_stdout(void) static int __init prom_find_machine_type(void) { - char compat[256]; + static char compat[256] __prombss; int len, i = 0; #ifdef CONFIG_PPC64 phandle rtas; diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index a6fce3106e02..693133972294 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -1071,7 +1071,7 @@ static struct rtas_filter rtas_filters[] __ro_after_init = { { "get-time-of-day", -1, -1, -1, -1, -1 }, { "ibm,get-vpd", -1, 0, -1, 1, 2 }, { "ibm,lpar-perftools", -1, 2, 3, -1, -1 }, - { "ibm,platform-dump", -1, 4, 5, -1, -1 }, + { "ibm,platform-dump", -1, 4, 5, -1, -1 }, /* Special cased */ { "ibm,read-slot-reset-state", -1, -1, -1, -1, -1 }, { "ibm,scan-log-dump", -1, 0, 1, -1, -1 }, { "ibm,set-dynamic-indicator", -1, 2, -1, -1, -1 }, @@ -1120,6 +1120,15 @@ static bool block_rtas_call(int token, int nargs, size = 1; end = base + size - 1; + + /* + * Special case for ibm,platform-dump - NULL buffer + * address is used to indicate end of dump processing + */ + if (!strcmp(f->name, "ibm,platform-dump") && + base == 0) + return false; + if (!in_rmo_buf(base, end)) goto err; } diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index eb0077b302e2..1a02629ec70b 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -935,12 +935,6 @@ void __init setup_arch(char **cmdline_p) /* Print various info about the machine that has been gathered so far. */ print_system_info(); - /* Reserve large chunks of memory for use by CMA for KVM. */ - kvm_cma_reserve(); - - /* Reserve large chunks of memory for us by CMA for hugetlb */ - gigantic_hugetlb_cma_reserve(); - klp_init_thread_info(&init_task); setup_initial_init_mm(_stext, _etext, _edata, _end); @@ -955,6 +949,13 @@ void __init setup_arch(char **cmdline_p) initmem_init(); + /* + * Reserve large chunks of memory for use by CMA for KVM and hugetlb. These must + * be called after initmem_init(), so that pageblock_order is initialised. + */ + kvm_cma_reserve(); + gigantic_hugetlb_cma_reserve(); + early_memtest(min_low_pfn << PAGE_SHIFT, max_low_pfn << PAGE_SHIFT); if (ppc_md.setup_arch) diff --git a/arch/powerpc/platforms/microwatt/microwatt.h b/arch/powerpc/platforms/microwatt/microwatt.h new file mode 100644 index 000000000000..335417e95e66 --- /dev/null +++ b/arch/powerpc/platforms/microwatt/microwatt.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _MICROWATT_H +#define _MICROWATT_H + +void microwatt_rng_init(void); + +#endif /* _MICROWATT_H */ diff --git a/arch/powerpc/platforms/microwatt/rng.c b/arch/powerpc/platforms/microwatt/rng.c index 7bc4d1cbfaf0..8ece87d005c8 100644 --- a/arch/powerpc/platforms/microwatt/rng.c +++ b/arch/powerpc/platforms/microwatt/rng.c @@ -11,6 +11,7 @@ #include <asm/archrandom.h> #include <asm/cputable.h> #include <asm/machdep.h> +#include "microwatt.h" #define DARN_ERR 0xFFFFFFFFFFFFFFFFul @@ -29,7 +30,7 @@ static int microwatt_get_random_darn(unsigned long *v) return 1; } -static __init int rng_init(void) +void __init microwatt_rng_init(void) { unsigned long val; int i; @@ -37,12 +38,7 @@ static __init int rng_init(void) for (i = 0; i < 10; i++) { if (microwatt_get_random_darn(&val)) { ppc_md.get_random_seed = microwatt_get_random_darn; - return 0; + return; } } - - pr_warn("Unable to use DARN for get_random_seed()\n"); - - return -EIO; } -machine_subsys_initcall(, rng_init); diff --git a/arch/powerpc/platforms/microwatt/setup.c b/arch/powerpc/platforms/microwatt/setup.c index 0b02603bdb74..6b32539395a4 100644 --- a/arch/powerpc/platforms/microwatt/setup.c +++ b/arch/powerpc/platforms/microwatt/setup.c @@ -16,6 +16,8 @@ #include <asm/xics.h> #include <asm/udbg.h> +#include "microwatt.h" + static void __init microwatt_init_IRQ(void) { xics_init(); @@ -32,10 +34,16 @@ static int __init microwatt_populate(void) } machine_arch_initcall(microwatt, microwatt_populate); +static void __init microwatt_setup_arch(void) +{ + microwatt_rng_init(); +} + define_machine(microwatt) { .name = "microwatt", .probe = microwatt_probe, .init_IRQ = microwatt_init_IRQ, + .setup_arch = microwatt_setup_arch, .progress = udbg_progress, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/powernv/powernv.h b/arch/powerpc/platforms/powernv/powernv.h index e297bf4abfcb..866efdc103fd 100644 --- a/arch/powerpc/platforms/powernv/powernv.h +++ b/arch/powerpc/platforms/powernv/powernv.h @@ -42,4 +42,6 @@ ssize_t memcons_copy(struct memcons *mc, char *to, loff_t pos, size_t count); u32 __init memcons_get_size(struct memcons *mc); struct memcons *__init memcons_init(struct device_node *node, const char *mc_prop_name); +void pnv_rng_init(void); + #endif /* _POWERNV_H */ diff --git a/arch/powerpc/platforms/powernv/rng.c b/arch/powerpc/platforms/powernv/rng.c index e3d44b36ae98..463c78c52cc5 100644 --- a/arch/powerpc/platforms/powernv/rng.c +++ b/arch/powerpc/platforms/powernv/rng.c @@ -17,6 +17,7 @@ #include <asm/prom.h> #include <asm/machdep.h> #include <asm/smp.h> +#include "powernv.h" #define DARN_ERR 0xFFFFFFFFFFFFFFFFul @@ -28,7 +29,6 @@ struct powernv_rng { static DEFINE_PER_CPU(struct powernv_rng *, powernv_rng); - int powernv_hwrng_present(void) { struct powernv_rng *rng; @@ -98,9 +98,6 @@ static int __init initialise_darn(void) return 0; } } - - pr_warn("Unable to use DARN for get_random_seed()\n"); - return -EIO; } @@ -163,32 +160,55 @@ static __init int rng_create(struct device_node *dn) rng_init_per_cpu(rng, dn); - pr_info_once("Registering arch random hook.\n"); - ppc_md.get_random_seed = powernv_get_random_long; return 0; } -static __init int rng_init(void) +static int __init pnv_get_random_long_early(unsigned long *v) { struct device_node *dn; - int rc; + + if (!slab_is_available()) + return 0; + + if (cmpxchg(&ppc_md.get_random_seed, pnv_get_random_long_early, + NULL) != pnv_get_random_long_early) + return 0; for_each_compatible_node(dn, NULL, "ibm,power-rng") { - rc = rng_create(dn); - if (rc) { - pr_err("Failed creating rng for %pOF (%d).\n", - dn, rc); + if (rng_create(dn)) continue; - } - /* Create devices for hwrng driver */ of_platform_device_create(dn, NULL, NULL); } - initialise_darn(); + if (!ppc_md.get_random_seed) + return 0; + return ppc_md.get_random_seed(v); +} + +void __init pnv_rng_init(void) +{ + struct device_node *dn; + /* Prefer darn over the rest. */ + if (!initialise_darn()) + return; + + dn = of_find_compatible_node(NULL, NULL, "ibm,power-rng"); + if (dn) + ppc_md.get_random_seed = pnv_get_random_long_early; + + of_node_put(dn); +} + +static int __init pnv_rng_late_init(void) +{ + unsigned long v; + /* In case it wasn't called during init for some other reason. */ + if (ppc_md.get_random_seed == pnv_get_random_long_early) + pnv_get_random_long_early(&v); return 0; } -machine_subsys_initcall(powernv, rng_init); +machine_subsys_initcall(powernv, pnv_rng_late_init); diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 824c3ad7a0fa..dac545aa0308 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -203,6 +203,8 @@ static void __init pnv_setup_arch(void) pnv_check_guarded_cores(); /* XXX PMCS */ + + pnv_rng_init(); } static void __init pnv_init(void) diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index f5c916c839c9..1d75b7742ef0 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -122,4 +122,6 @@ void pseries_lpar_read_hblkrm_characteristics(void); static inline void pseries_lpar_read_hblkrm_characteristics(void) { } #endif +void pseries_rng_init(void); + #endif /* _PSERIES_PSERIES_H */ diff --git a/arch/powerpc/platforms/pseries/rng.c b/arch/powerpc/platforms/pseries/rng.c index 6268545947b8..6ddfdeaace9e 100644 --- a/arch/powerpc/platforms/pseries/rng.c +++ b/arch/powerpc/platforms/pseries/rng.c @@ -10,6 +10,7 @@ #include <asm/archrandom.h> #include <asm/machdep.h> #include <asm/plpar_wrappers.h> +#include "pseries.h" static int pseries_get_random_long(unsigned long *v) @@ -24,19 +25,13 @@ static int pseries_get_random_long(unsigned long *v) return 0; } -static __init int rng_init(void) +void __init pseries_rng_init(void) { struct device_node *dn; dn = of_find_compatible_node(NULL, NULL, "ibm,random"); if (!dn) - return -ENODEV; - - pr_info("Registering arch random hook.\n"); - + return; ppc_md.get_random_seed = pseries_get_random_long; - of_node_put(dn); - return 0; } -machine_subsys_initcall(pseries, rng_init); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index afb074269b42..ee4f1db49515 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -839,6 +839,7 @@ static void __init pSeries_setup_arch(void) } ppc_md.pcibios_root_bridge_prepare = pseries_root_bridge_prepare; + pseries_rng_init(); } static void pseries_panic(char *str) diff --git a/arch/riscv/include/asm/errata_list.h b/arch/riscv/include/asm/errata_list.h index 9e2888dbb5b1..416ead0f9a65 100644 --- a/arch/riscv/include/asm/errata_list.h +++ b/arch/riscv/include/asm/errata_list.h @@ -75,20 +75,20 @@ asm volatile(ALTERNATIVE( \ "nop\n\t" \ "nop\n\t" \ "nop", \ - "li t3, %2\n\t" \ - "slli t3, t3, %4\n\t" \ + "li t3, %1\n\t" \ + "slli t3, t3, %3\n\t" \ "and t3, %0, t3\n\t" \ "bne t3, zero, 2f\n\t" \ - "li t3, %3\n\t" \ - "slli t3, t3, %4\n\t" \ + "li t3, %2\n\t" \ + "slli t3, t3, %3\n\t" \ "or %0, %0, t3\n\t" \ "2:", THEAD_VENDOR_ID, \ ERRATA_THEAD_PBMT, CONFIG_ERRATA_THEAD_PBMT) \ : "+r"(_val) \ - : "0"(_val), \ - "I"(_PAGE_MTMASK_THEAD >> ALT_THEAD_PBMT_SHIFT), \ + : "I"(_PAGE_MTMASK_THEAD >> ALT_THEAD_PBMT_SHIFT), \ "I"(_PAGE_PMA_THEAD >> ALT_THEAD_PBMT_SHIFT), \ - "I"(ALT_THEAD_PBMT_SHIFT)) + "I"(ALT_THEAD_PBMT_SHIFT) \ + : "t3") #else #define ALT_THEAD_PMA(_val) #endif diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 91c0b80a8bf0..8cd9e56c629b 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -484,7 +484,6 @@ config KEXEC config KEXEC_FILE bool "kexec file based system call" select KEXEC_CORE - select BUILD_BIN2C depends on CRYPTO depends on CRYPTO_SHA256 depends on CRYPTO_SHA256_S390 diff --git a/arch/s390/crypto/arch_random.c b/arch/s390/crypto/arch_random.c index 56007c763902..1f2d40993c4d 100644 --- a/arch/s390/crypto/arch_random.c +++ b/arch/s390/crypto/arch_random.c @@ -4,232 +4,15 @@ * * Copyright IBM Corp. 2017, 2020 * Author(s): Harald Freudenberger - * - * The s390_arch_random_generate() function may be called from random.c - * in interrupt context. So this implementation does the best to be very - * fast. There is a buffer of random data which is asynchronously checked - * and filled by a workqueue thread. - * If there are enough bytes in the buffer the s390_arch_random_generate() - * just delivers these bytes. Otherwise false is returned until the - * worker thread refills the buffer. - * The worker fills the rng buffer by pulling fresh entropy from the - * high quality (but slow) true hardware random generator. This entropy - * is then spread over the buffer with an pseudo random generator PRNG. - * As the arch_get_random_seed_long() fetches 8 bytes and the calling - * function add_interrupt_randomness() counts this as 1 bit entropy the - * distribution needs to make sure there is in fact 1 bit entropy contained - * in 8 bytes of the buffer. The current values pull 32 byte entropy - * and scatter this into a 2048 byte buffer. So 8 byte in the buffer - * will contain 1 bit of entropy. - * The worker thread is rescheduled based on the charge level of the - * buffer but at least with 500 ms delay to avoid too much CPU consumption. - * So the max. amount of rng data delivered via arch_get_random_seed is - * limited to 4k bytes per second. */ #include <linux/kernel.h> #include <linux/atomic.h> #include <linux/random.h> -#include <linux/slab.h> #include <linux/static_key.h> -#include <linux/workqueue.h> -#include <linux/moduleparam.h> #include <asm/cpacf.h> DEFINE_STATIC_KEY_FALSE(s390_arch_random_available); atomic64_t s390_arch_random_counter = ATOMIC64_INIT(0); EXPORT_SYMBOL(s390_arch_random_counter); - -#define ARCH_REFILL_TICKS (HZ/2) -#define ARCH_PRNG_SEED_SIZE 32 -#define ARCH_RNG_BUF_SIZE 2048 - -static DEFINE_SPINLOCK(arch_rng_lock); -static u8 *arch_rng_buf; -static unsigned int arch_rng_buf_idx; - -static void arch_rng_refill_buffer(struct work_struct *); -static DECLARE_DELAYED_WORK(arch_rng_work, arch_rng_refill_buffer); - -bool s390_arch_random_generate(u8 *buf, unsigned int nbytes) -{ - /* max hunk is ARCH_RNG_BUF_SIZE */ - if (nbytes > ARCH_RNG_BUF_SIZE) - return false; - - /* lock rng buffer */ - if (!spin_trylock(&arch_rng_lock)) - return false; - - /* try to resolve the requested amount of bytes from the buffer */ - arch_rng_buf_idx -= nbytes; - if (arch_rng_buf_idx < ARCH_RNG_BUF_SIZE) { - memcpy(buf, arch_rng_buf + arch_rng_buf_idx, nbytes); - atomic64_add(nbytes, &s390_arch_random_counter); - spin_unlock(&arch_rng_lock); - return true; - } - - /* not enough bytes in rng buffer, refill is done asynchronously */ - spin_unlock(&arch_rng_lock); - - return false; -} -EXPORT_SYMBOL(s390_arch_random_generate); - -static void arch_rng_refill_buffer(struct work_struct *unused) -{ - unsigned int delay = ARCH_REFILL_TICKS; - - spin_lock(&arch_rng_lock); - if (arch_rng_buf_idx > ARCH_RNG_BUF_SIZE) { - /* buffer is exhausted and needs refill */ - u8 seed[ARCH_PRNG_SEED_SIZE]; - u8 prng_wa[240]; - /* fetch ARCH_PRNG_SEED_SIZE bytes of entropy */ - cpacf_trng(NULL, 0, seed, sizeof(seed)); - /* blow this entropy up to ARCH_RNG_BUF_SIZE with PRNG */ - memset(prng_wa, 0, sizeof(prng_wa)); - cpacf_prno(CPACF_PRNO_SHA512_DRNG_SEED, - &prng_wa, NULL, 0, seed, sizeof(seed)); - cpacf_prno(CPACF_PRNO_SHA512_DRNG_GEN, - &prng_wa, arch_rng_buf, ARCH_RNG_BUF_SIZE, NULL, 0); - arch_rng_buf_idx = ARCH_RNG_BUF_SIZE; - } - delay += (ARCH_REFILL_TICKS * arch_rng_buf_idx) / ARCH_RNG_BUF_SIZE; - spin_unlock(&arch_rng_lock); - - /* kick next check */ - queue_delayed_work(system_long_wq, &arch_rng_work, delay); -} - -/* - * Here follows the implementation of s390_arch_get_random_long(). - * - * The random longs to be pulled by arch_get_random_long() are - * prepared in an 4K buffer which is filled from the NIST 800-90 - * compliant s390 drbg. By default the random long buffer is refilled - * 256 times before the drbg itself needs a reseed. The reseed of the - * drbg is done with 32 bytes fetched from the high quality (but slow) - * trng which is assumed to deliver 100% entropy. So the 32 * 8 = 256 - * bits of entropy are spread over 256 * 4KB = 1MB serving 131072 - * arch_get_random_long() invocations before reseeded. - * - * How often the 4K random long buffer is refilled with the drbg - * before the drbg is reseeded can be adjusted. There is a module - * parameter 's390_arch_rnd_long_drbg_reseed' accessible via - * /sys/module/arch_random/parameters/rndlong_drbg_reseed - * or as kernel command line parameter - * arch_random.rndlong_drbg_reseed=<value> - * This parameter tells how often the drbg fills the 4K buffer before - * it is re-seeded by fresh entropy from the trng. - * A value of 16 results in reseeding the drbg at every 16 * 4 KB = 64 - * KB with 32 bytes of fresh entropy pulled from the trng. So a value - * of 16 would result in 256 bits entropy per 64 KB. - * A value of 256 results in 1MB of drbg output before a reseed of the - * drbg is done. So this would spread the 256 bits of entropy among 1MB. - * Setting this parameter to 0 forces the reseed to take place every - * time the 4K buffer is depleted, so the entropy rises to 256 bits - * entropy per 4K or 0.5 bit entropy per arch_get_random_long(). With - * setting this parameter to negative values all this effort is - * disabled, arch_get_random long() returns false and thus indicating - * that the arch_get_random_long() feature is disabled at all. - */ - -static unsigned long rndlong_buf[512]; -static DEFINE_SPINLOCK(rndlong_lock); -static int rndlong_buf_index; - -static int rndlong_drbg_reseed = 256; -module_param_named(rndlong_drbg_reseed, rndlong_drbg_reseed, int, 0600); -MODULE_PARM_DESC(rndlong_drbg_reseed, "s390 arch_get_random_long() drbg reseed"); - -static inline void refill_rndlong_buf(void) -{ - static u8 prng_ws[240]; - static int drbg_counter; - - if (--drbg_counter < 0) { - /* need to re-seed the drbg */ - u8 seed[32]; - - /* fetch seed from trng */ - cpacf_trng(NULL, 0, seed, sizeof(seed)); - /* seed drbg */ - memset(prng_ws, 0, sizeof(prng_ws)); - cpacf_prno(CPACF_PRNO_SHA512_DRNG_SEED, - &prng_ws, NULL, 0, seed, sizeof(seed)); - /* re-init counter for drbg */ - drbg_counter = rndlong_drbg_reseed; - } - - /* fill the arch_get_random_long buffer from drbg */ - cpacf_prno(CPACF_PRNO_SHA512_DRNG_GEN, &prng_ws, - (u8 *) rndlong_buf, sizeof(rndlong_buf), - NULL, 0); -} - -bool s390_arch_get_random_long(unsigned long *v) -{ - bool rc = false; - unsigned long flags; - - /* arch_get_random_long() disabled ? */ - if (rndlong_drbg_reseed < 0) - return false; - - /* try to lock the random long lock */ - if (!spin_trylock_irqsave(&rndlong_lock, flags)) - return false; - - if (--rndlong_buf_index >= 0) { - /* deliver next long value from the buffer */ - *v = rndlong_buf[rndlong_buf_index]; - rc = true; - goto out; - } - - /* buffer is depleted and needs refill */ - if (in_interrupt()) { - /* delay refill in interrupt context to next caller */ - rndlong_buf_index = 0; - goto out; - } - - /* refill random long buffer */ - refill_rndlong_buf(); - rndlong_buf_index = ARRAY_SIZE(rndlong_buf); - - /* and provide one random long */ - *v = rndlong_buf[--rndlong_buf_index]; - rc = true; - -out: - spin_unlock_irqrestore(&rndlong_lock, flags); - return rc; -} -EXPORT_SYMBOL(s390_arch_get_random_long); - -static int __init s390_arch_random_init(void) -{ - /* all the needed PRNO subfunctions available ? */ - if (cpacf_query_func(CPACF_PRNO, CPACF_PRNO_TRNG) && - cpacf_query_func(CPACF_PRNO, CPACF_PRNO_SHA512_DRNG_GEN)) { - - /* alloc arch random working buffer */ - arch_rng_buf = kmalloc(ARCH_RNG_BUF_SIZE, GFP_KERNEL); - if (!arch_rng_buf) - return -ENOMEM; - - /* kick worker queue job to fill the random buffer */ - queue_delayed_work(system_long_wq, - &arch_rng_work, ARCH_REFILL_TICKS); - - /* enable arch random to the outside world */ - static_branch_enable(&s390_arch_random_available); - } - - return 0; -} -arch_initcall(s390_arch_random_init); diff --git a/arch/s390/include/asm/archrandom.h b/arch/s390/include/asm/archrandom.h index 5dc712fde3c7..2c6e1c6ecbe7 100644 --- a/arch/s390/include/asm/archrandom.h +++ b/arch/s390/include/asm/archrandom.h @@ -15,17 +15,13 @@ #include <linux/static_key.h> #include <linux/atomic.h> +#include <asm/cpacf.h> DECLARE_STATIC_KEY_FALSE(s390_arch_random_available); extern atomic64_t s390_arch_random_counter; -bool s390_arch_get_random_long(unsigned long *v); -bool s390_arch_random_generate(u8 *buf, unsigned int nbytes); - static inline bool __must_check arch_get_random_long(unsigned long *v) { - if (static_branch_likely(&s390_arch_random_available)) - return s390_arch_get_random_long(v); return false; } @@ -37,7 +33,9 @@ static inline bool __must_check arch_get_random_int(unsigned int *v) static inline bool __must_check arch_get_random_seed_long(unsigned long *v) { if (static_branch_likely(&s390_arch_random_available)) { - return s390_arch_random_generate((u8 *)v, sizeof(*v)); + cpacf_trng(NULL, 0, (u8 *)v, sizeof(*v)); + atomic64_add(sizeof(*v), &s390_arch_random_counter); + return true; } return false; } @@ -45,7 +43,9 @@ static inline bool __must_check arch_get_random_seed_long(unsigned long *v) static inline bool __must_check arch_get_random_seed_int(unsigned int *v) { if (static_branch_likely(&s390_arch_random_available)) { - return s390_arch_random_generate((u8 *)v, sizeof(*v)); + cpacf_trng(NULL, 0, (u8 *)v, sizeof(*v)); + atomic64_add(sizeof(*v), &s390_arch_random_counter); + return true; } return false; } diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 54ae2dc65e3b..2f983e0b95e0 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -133,9 +133,9 @@ struct slibe { * @sb_count: number of storage blocks * @sba: storage block element addresses * @dcount: size of storage block elements - * @user0: user defineable value - * @res4: reserved paramater - * @user1: user defineable value + * @user0: user definable value + * @res4: reserved parameter + * @user1: user definable value */ struct qaob { u64 res0[6]; diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index a2c1c55daec0..28124d0fa1d5 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -219,6 +219,11 @@ ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn, size_t csize, unsigned long src; int rc; + if (!(iter_is_iovec(iter) || iov_iter_is_kvec(iter))) + return -EINVAL; + /* Multi-segment iterators are not supported */ + if (iter->nr_segs > 1) + return -EINVAL; if (!csize) return 0; src = pfn_to_phys(pfn) + offset; @@ -228,7 +233,10 @@ ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn, size_t csize, rc = copy_oldmem_user(iter->iov->iov_base, src, csize); else rc = copy_oldmem_kernel(iter->kvec->iov_base, src, csize); - return rc; + if (rc < 0) + return rc; + iov_iter_advance(iter, csize); + return csize; } /* diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index 483ab5e10164..f7dd3c849e68 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -516,6 +516,26 @@ static int __hw_perf_event_init(struct perf_event *event, unsigned int type) return err; } +/* Events CPU_CYLCES and INSTRUCTIONS can be submitted with two different + * attribute::type values: + * - PERF_TYPE_HARDWARE: + * - pmu->type: + * Handle both type of invocations identical. They address the same hardware. + * The result is different when event modifiers exclude_kernel and/or + * exclude_user are also set. + */ +static int cpumf_pmu_event_type(struct perf_event *event) +{ + u64 ev = event->attr.config; + + if (cpumf_generic_events_basic[PERF_COUNT_HW_CPU_CYCLES] == ev || + cpumf_generic_events_basic[PERF_COUNT_HW_INSTRUCTIONS] == ev || + cpumf_generic_events_user[PERF_COUNT_HW_CPU_CYCLES] == ev || + cpumf_generic_events_user[PERF_COUNT_HW_INSTRUCTIONS] == ev) + return PERF_TYPE_HARDWARE; + return PERF_TYPE_RAW; +} + static int cpumf_pmu_event_init(struct perf_event *event) { unsigned int type = event->attr.type; @@ -525,7 +545,7 @@ static int cpumf_pmu_event_init(struct perf_event *event) err = __hw_perf_event_init(event, type); else if (event->pmu->type == type) /* Registered as unknown PMU */ - err = __hw_perf_event_init(event, PERF_TYPE_RAW); + err = __hw_perf_event_init(event, cpumf_pmu_event_type(event)); else return -ENOENT; diff --git a/arch/s390/kernel/perf_pai_crypto.c b/arch/s390/kernel/perf_pai_crypto.c index 8c1545946d85..b38b4ae01589 100644 --- a/arch/s390/kernel/perf_pai_crypto.c +++ b/arch/s390/kernel/perf_pai_crypto.c @@ -193,8 +193,9 @@ static int paicrypt_event_init(struct perf_event *event) /* PAI crypto PMU registered as PERF_TYPE_RAW, check event type */ if (a->type != PERF_TYPE_RAW && event->pmu->type != a->type) return -ENOENT; - /* PAI crypto event must be valid */ - if (a->config > PAI_CRYPTO_BASE + paicrypt_cnt) + /* PAI crypto event must be in valid range */ + if (a->config < PAI_CRYPTO_BASE || + a->config > PAI_CRYPTO_BASE + paicrypt_cnt) return -EINVAL; /* Allow only CPU wide operation, no process context for now. */ if (event->hw.target || event->cpu == -1) @@ -208,6 +209,12 @@ static int paicrypt_event_init(struct perf_event *event) if (rc) return rc; + /* Event initialization sets last_tag to 0. When later on the events + * are deleted and re-added, do not reset the event count value to zero. + * Events are added, deleted and re-added when 2 or more events + * are active at the same time. + */ + event->hw.last_tag = 0; cpump->event = event; event->destroy = paicrypt_event_destroy; @@ -242,9 +249,12 @@ static void paicrypt_start(struct perf_event *event, int flags) { u64 sum; - sum = paicrypt_getall(event); /* Get current value */ - local64_set(&event->hw.prev_count, sum); - local64_set(&event->count, 0); + if (!event->hw.last_tag) { + event->hw.last_tag = 1; + sum = paicrypt_getall(event); /* Get current value */ + local64_set(&event->count, 0); + local64_set(&event->hw.prev_count, sum); + } } static int paicrypt_add(struct perf_event *event, int flags) diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 8d91eccc0963..0a37f5de2863 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -875,6 +875,11 @@ static void __init setup_randomness(void) if (stsi(vmms, 3, 2, 2) == 0 && vmms->count) add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count); memblock_free(vmms, PAGE_SIZE); + +#ifdef CONFIG_ARCH_RANDOM + if (cpacf_query_func(CPACF_PRNO, CPACF_PRNO_TRNG)) + static_branch_enable(&s390_arch_random_available); +#endif } /* diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile index 360ada80d20c..d237bc6841cb 100644 --- a/arch/s390/purgatory/Makefile +++ b/arch/s390/purgatory/Makefile @@ -48,7 +48,6 @@ OBJCOPYFLAGS_purgatory.ro += --remove-section='.note.*' $(obj)/purgatory.ro: $(obj)/purgatory $(obj)/purgatory.chk FORCE $(call if_changed,objcopy) -$(obj)/kexec-purgatory.o: $(obj)/kexec-purgatory.S $(obj)/purgatory.ro FORCE - $(call if_changed_rule,as_o_S) +$(obj)/kexec-purgatory.o: $(obj)/purgatory.ro -obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o +obj-y += kexec-purgatory.o diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 71943dce691e..9636742a80f2 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -323,7 +323,7 @@ static inline u32 efi64_convert_status(efi_status_t status) #define __efi64_argmap_get_memory_space_descriptor(phys, desc) \ (__efi64_split(phys), (desc)) -#define __efi64_argmap_set_memory_space_descriptor(phys, size, flags) \ +#define __efi64_argmap_set_memory_space_attributes(phys, size, flags) \ (__efi64_split(phys), __efi64_split(size), __efi64_split(flags)) /* diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 51fd985cf21d..0c240ed04f96 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -844,7 +844,7 @@ static int __sev_dbg_encrypt_user(struct kvm *kvm, unsigned long paddr, /* If source buffer is not aligned then use an intermediate buffer */ if (!IS_ALIGNED((unsigned long)vaddr, 16)) { - src_tpage = alloc_page(GFP_KERNEL); + src_tpage = alloc_page(GFP_KERNEL_ACCOUNT); if (!src_tpage) return -ENOMEM; @@ -865,7 +865,7 @@ static int __sev_dbg_encrypt_user(struct kvm *kvm, unsigned long paddr, if (!IS_ALIGNED((unsigned long)dst_vaddr, 16) || !IS_ALIGNED(size, 16)) { int dst_offset; - dst_tpage = alloc_page(GFP_KERNEL); + dst_tpage = alloc_page(GFP_KERNEL_ACCOUNT); if (!dst_tpage) { ret = -ENOMEM; goto e_free; @@ -1665,19 +1665,24 @@ static void sev_migrate_from(struct kvm *dst_kvm, struct kvm *src_kvm) { struct kvm_sev_info *dst = &to_kvm_svm(dst_kvm)->sev_info; struct kvm_sev_info *src = &to_kvm_svm(src_kvm)->sev_info; + struct kvm_vcpu *dst_vcpu, *src_vcpu; + struct vcpu_svm *dst_svm, *src_svm; struct kvm_sev_info *mirror; + unsigned long i; dst->active = true; dst->asid = src->asid; dst->handle = src->handle; dst->pages_locked = src->pages_locked; dst->enc_context_owner = src->enc_context_owner; + dst->es_active = src->es_active; src->asid = 0; src->active = false; src->handle = 0; src->pages_locked = 0; src->enc_context_owner = NULL; + src->es_active = false; list_cut_before(&dst->regions_list, &src->regions_list, &src->regions_list); @@ -1704,26 +1709,21 @@ static void sev_migrate_from(struct kvm *dst_kvm, struct kvm *src_kvm) list_del(&src->mirror_entry); list_add_tail(&dst->mirror_entry, &owner_sev_info->mirror_vms); } -} -static int sev_es_migrate_from(struct kvm *dst, struct kvm *src) -{ - unsigned long i; - struct kvm_vcpu *dst_vcpu, *src_vcpu; - struct vcpu_svm *dst_svm, *src_svm; + kvm_for_each_vcpu(i, dst_vcpu, dst_kvm) { + dst_svm = to_svm(dst_vcpu); - if (atomic_read(&src->online_vcpus) != atomic_read(&dst->online_vcpus)) - return -EINVAL; + sev_init_vmcb(dst_svm); - kvm_for_each_vcpu(i, src_vcpu, src) { - if (!src_vcpu->arch.guest_state_protected) - return -EINVAL; - } + if (!dst->es_active) + continue; - kvm_for_each_vcpu(i, src_vcpu, src) { + /* + * Note, the source is not required to have the same number of + * vCPUs as the destination when migrating a vanilla SEV VM. + */ + src_vcpu = kvm_get_vcpu(dst_kvm, i); src_svm = to_svm(src_vcpu); - dst_vcpu = kvm_get_vcpu(dst, i); - dst_svm = to_svm(dst_vcpu); /* * Transfer VMSA and GHCB state to the destination. Nullify and @@ -1740,8 +1740,23 @@ static int sev_es_migrate_from(struct kvm *dst, struct kvm *src) src_svm->vmcb->control.vmsa_pa = INVALID_PAGE; src_vcpu->arch.guest_state_protected = false; } - to_kvm_svm(src)->sev_info.es_active = false; - to_kvm_svm(dst)->sev_info.es_active = true; +} + +static int sev_check_source_vcpus(struct kvm *dst, struct kvm *src) +{ + struct kvm_vcpu *src_vcpu; + unsigned long i; + + if (!sev_es_guest(src)) + return 0; + + if (atomic_read(&src->online_vcpus) != atomic_read(&dst->online_vcpus)) + return -EINVAL; + + kvm_for_each_vcpu(i, src_vcpu, src) { + if (!src_vcpu->arch.guest_state_protected) + return -EINVAL; + } return 0; } @@ -1789,11 +1804,9 @@ int sev_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd) if (ret) goto out_dst_vcpu; - if (sev_es_guest(source_kvm)) { - ret = sev_es_migrate_from(kvm, source_kvm); - if (ret) - goto out_source_vcpu; - } + ret = sev_check_source_vcpus(kvm, source_kvm); + if (ret) + goto out_source_vcpu; sev_migrate_from(kvm, source_kvm); kvm_vm_dead(source_kvm); @@ -2914,7 +2927,7 @@ int sev_es_string_io(struct vcpu_svm *svm, int size, unsigned int port, int in) count, in); } -void sev_es_init_vmcb(struct vcpu_svm *svm) +static void sev_es_init_vmcb(struct vcpu_svm *svm) { struct kvm_vcpu *vcpu = &svm->vcpu; @@ -2967,6 +2980,15 @@ void sev_es_init_vmcb(struct vcpu_svm *svm) } } +void sev_init_vmcb(struct vcpu_svm *svm) +{ + svm->vmcb->control.nested_ctl |= SVM_NESTED_CTL_SEV_ENABLE; + clr_exception_intercept(svm, UD_VECTOR); + + if (sev_es_guest(svm->vcpu.kvm)) + sev_es_init_vmcb(svm); +} + void sev_es_vcpu_reset(struct vcpu_svm *svm) { /* diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 87da90360bc7..44bbf25dfeb9 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -1212,15 +1212,8 @@ static void init_vmcb(struct kvm_vcpu *vcpu) svm->vmcb->control.int_ctl |= V_GIF_ENABLE_MASK; } - if (sev_guest(vcpu->kvm)) { - svm->vmcb->control.nested_ctl |= SVM_NESTED_CTL_SEV_ENABLE; - clr_exception_intercept(svm, UD_VECTOR); - - if (sev_es_guest(vcpu->kvm)) { - /* Perform SEV-ES specific VMCB updates */ - sev_es_init_vmcb(svm); - } - } + if (sev_guest(vcpu->kvm)) + sev_init_vmcb(svm); svm_hv_init_vmcb(vmcb); init_vmcb_after_set_cpuid(vcpu); diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 1bddd336a27e..9223ac100ef5 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -649,10 +649,10 @@ void __init sev_set_cpu_caps(void); void __init sev_hardware_setup(void); void sev_hardware_unsetup(void); int sev_cpu_init(struct svm_cpu_data *sd); +void sev_init_vmcb(struct vcpu_svm *svm); void sev_free_vcpu(struct kvm_vcpu *vcpu); int sev_handle_vmgexit(struct kvm_vcpu *vcpu); int sev_es_string_io(struct vcpu_svm *svm, int size, unsigned int port, int in); -void sev_es_init_vmcb(struct vcpu_svm *svm); void sev_es_vcpu_reset(struct vcpu_svm *svm); void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector); void sev_es_prepare_switch_to_guest(struct sev_es_save_area *hostsa); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index f298b18a9a3d..c98b8c0ed3b8 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -1420,8 +1420,9 @@ st: if (is_imm8(insn->off)) case BPF_JMP | BPF_CALL: func = (u8 *) __bpf_call_base + imm32; if (tail_call_reachable) { + /* mov rax, qword ptr [rbp - rounded_stack_depth - 8] */ EMIT3_off32(0x48, 0x8B, 0x85, - -(bpf_prog->aux->stack_depth + 8)); + -round_up(bpf_prog->aux->stack_depth, 8) - 8); if (!imm32 || emit_call(&prog, func, image + addrs[i - 1] + 7)) return -EINVAL; } else { diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index e3eae648ba2e..ab30bcb46290 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -2173,7 +2173,7 @@ ENDPROC(ret_from_kernel_thread) #ifdef CONFIG_HIBERNATION - .bss + .section .bss, "aw" .align 4 .Lsaved_regs: #if defined(__XTENSA_WINDOWED_ABI__) diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index e8ceb1528608..16b8a6273772 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -154,6 +154,7 @@ static void __init calibrate_ccount(void) cpu = of_find_compatible_node(NULL, NULL, "cdns,xtensa-cpu"); if (cpu) { clk = of_clk_get(cpu, 0); + of_node_put(cpu); if (!IS_ERR(clk)) { ccount_freq = clk_get_rate(clk); return; diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c index 538e6748e85a..c79c1d09ea86 100644 --- a/arch/xtensa/platforms/xtfpga/setup.c +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -133,6 +133,7 @@ static int __init machine_setup(void) if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc"))) update_local_mac(eth); + of_node_put(eth); return 0; } arch_initcall(machine_setup); diff --git a/block/blk-core.c b/block/blk-core.c index 06ff5bbfe8f6..27fb1357ad4b 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -322,19 +322,6 @@ void blk_cleanup_queue(struct request_queue *q) blk_mq_exit_queue(q); } - /* - * In theory, request pool of sched_tags belongs to request queue. - * However, the current implementation requires tag_set for freeing - * requests, so free the pool now. - * - * Queue has become frozen, there can't be any in-queue requests, so - * it is safe to free requests now. - */ - mutex_lock(&q->sysfs_lock); - if (q->elevator) - blk_mq_sched_free_rqs(q); - mutex_unlock(&q->sysfs_lock); - /* @q is and will stay empty, shutdown and put */ blk_put_queue(q); } diff --git a/block/blk-ia-ranges.c b/block/blk-ia-ranges.c index 56ed48d2954e..47c89e65b57f 100644 --- a/block/blk-ia-ranges.c +++ b/block/blk-ia-ranges.c @@ -144,7 +144,6 @@ int disk_register_independent_access_ranges(struct gendisk *disk, } for (i = 0; i < iars->nr_ia_ranges; i++) { - iars->ia_range[i].queue = q; ret = kobject_init_and_add(&iars->ia_range[i].kobj, &blk_ia_range_ktype, &iars->kobj, "%d", i); diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 7e4136a60e1c..4d1ce9ef4318 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -711,11 +711,6 @@ void blk_mq_debugfs_register(struct request_queue *q) } } -void blk_mq_debugfs_unregister(struct request_queue *q) -{ - q->sched_debugfs_dir = NULL; -} - static void blk_mq_debugfs_register_ctx(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx) { @@ -746,6 +741,8 @@ void blk_mq_debugfs_register_hctx(struct request_queue *q, void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx) { + if (!hctx->queue->debugfs_dir) + return; debugfs_remove_recursive(hctx->debugfs_dir); hctx->sched_debugfs_dir = NULL; hctx->debugfs_dir = NULL; @@ -773,6 +770,8 @@ void blk_mq_debugfs_register_sched(struct request_queue *q) { struct elevator_type *e = q->elevator->type; + lockdep_assert_held(&q->debugfs_mutex); + /* * If the parent directory has not been created yet, return, we will be * called again later on and the directory/files will be created then. @@ -790,6 +789,8 @@ void blk_mq_debugfs_register_sched(struct request_queue *q) void blk_mq_debugfs_unregister_sched(struct request_queue *q) { + lockdep_assert_held(&q->debugfs_mutex); + debugfs_remove_recursive(q->sched_debugfs_dir); q->sched_debugfs_dir = NULL; } @@ -811,6 +812,10 @@ static const char *rq_qos_id_to_name(enum rq_qos_id id) void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos) { + lockdep_assert_held(&rqos->q->debugfs_mutex); + + if (!rqos->q->debugfs_dir) + return; debugfs_remove_recursive(rqos->debugfs_dir); rqos->debugfs_dir = NULL; } @@ -820,6 +825,8 @@ void blk_mq_debugfs_register_rqos(struct rq_qos *rqos) struct request_queue *q = rqos->q; const char *dir_name = rq_qos_id_to_name(rqos->id); + lockdep_assert_held(&q->debugfs_mutex); + if (rqos->debugfs_dir || !rqos->ops->debugfs_attrs) return; @@ -833,17 +840,13 @@ void blk_mq_debugfs_register_rqos(struct rq_qos *rqos) debugfs_create_files(rqos->debugfs_dir, rqos, rqos->ops->debugfs_attrs); } -void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q) -{ - debugfs_remove_recursive(q->rqos_debugfs_dir); - q->rqos_debugfs_dir = NULL; -} - void blk_mq_debugfs_register_sched_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx) { struct elevator_type *e = q->elevator->type; + lockdep_assert_held(&q->debugfs_mutex); + /* * If the parent debugfs directory has not been created yet, return; * We will be called again later on with appropriate parent debugfs @@ -863,6 +866,10 @@ void blk_mq_debugfs_register_sched_hctx(struct request_queue *q, void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx) { + lockdep_assert_held(&hctx->queue->debugfs_mutex); + + if (!hctx->queue->debugfs_dir) + return; debugfs_remove_recursive(hctx->sched_debugfs_dir); hctx->sched_debugfs_dir = NULL; } diff --git a/block/blk-mq-debugfs.h b/block/blk-mq-debugfs.h index 69918f4170d6..9c7d4b6117d4 100644 --- a/block/blk-mq-debugfs.h +++ b/block/blk-mq-debugfs.h @@ -21,7 +21,6 @@ int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq); int blk_mq_debugfs_rq_show(struct seq_file *m, void *v); void blk_mq_debugfs_register(struct request_queue *q); -void blk_mq_debugfs_unregister(struct request_queue *q); void blk_mq_debugfs_register_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx); void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx); @@ -36,16 +35,11 @@ void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx); void blk_mq_debugfs_register_rqos(struct rq_qos *rqos); void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos); -void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q); #else static inline void blk_mq_debugfs_register(struct request_queue *q) { } -static inline void blk_mq_debugfs_unregister(struct request_queue *q) -{ -} - static inline void blk_mq_debugfs_register_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx) { @@ -87,10 +81,6 @@ static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos) static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos) { } - -static inline void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q) -{ -} #endif #ifdef CONFIG_BLK_DEBUG_FS_ZONED diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index eb3c65a21362..a4f7c101b53b 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -594,7 +594,9 @@ int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e) if (ret) goto err_free_map_and_rqs; + mutex_lock(&q->debugfs_mutex); blk_mq_debugfs_register_sched(q); + mutex_unlock(&q->debugfs_mutex); queue_for_each_hw_ctx(q, hctx, i) { if (e->ops.init_hctx) { @@ -607,7 +609,9 @@ int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e) return ret; } } + mutex_lock(&q->debugfs_mutex); blk_mq_debugfs_register_sched_hctx(q, hctx); + mutex_unlock(&q->debugfs_mutex); } return 0; @@ -648,14 +652,21 @@ void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e) unsigned int flags = 0; queue_for_each_hw_ctx(q, hctx, i) { + mutex_lock(&q->debugfs_mutex); blk_mq_debugfs_unregister_sched_hctx(hctx); + mutex_unlock(&q->debugfs_mutex); + if (e->type->ops.exit_hctx && hctx->sched_data) { e->type->ops.exit_hctx(hctx, i); hctx->sched_data = NULL; } flags = hctx->flags; } + + mutex_lock(&q->debugfs_mutex); blk_mq_debugfs_unregister_sched(q); + mutex_unlock(&q->debugfs_mutex); + if (e->type->ops.exit_sched) e->type->ops.exit_sched(e); blk_mq_sched_tags_teardown(q, flags); diff --git a/block/blk-mq.c b/block/blk-mq.c index 33145ba52c96..93d9d60980fb 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2765,15 +2765,20 @@ static inline struct request *blk_mq_get_cached_request(struct request_queue *q, return NULL; } - rq_qos_throttle(q, *bio); - if (blk_mq_get_hctx_type((*bio)->bi_opf) != rq->mq_hctx->type) return NULL; if (op_is_flush(rq->cmd_flags) != op_is_flush((*bio)->bi_opf)) return NULL; - rq->cmd_flags = (*bio)->bi_opf; + /* + * If any qos ->throttle() end up blocking, we will have flushed the + * plug and hence killed the cached_rq list as well. Pop this entry + * before we throttle. + */ plug->cached_rq = rq_list_next(rq); + rq_qos_throttle(q, *bio); + + rq->cmd_flags = (*bio)->bi_opf; INIT_LIST_HEAD(&rq->queuelist); return rq; } diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c index e83af7bc7591..d3a75693adbf 100644 --- a/block/blk-rq-qos.c +++ b/block/blk-rq-qos.c @@ -294,8 +294,6 @@ void rq_qos_wait(struct rq_wait *rqw, void *private_data, void rq_qos_exit(struct request_queue *q) { - blk_mq_debugfs_unregister_queue_rqos(q); - while (q->rq_qos) { struct rq_qos *rqos = q->rq_qos; q->rq_qos = rqos->next; diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h index 68267007da1c..0e46052b018a 100644 --- a/block/blk-rq-qos.h +++ b/block/blk-rq-qos.h @@ -104,8 +104,11 @@ static inline void rq_qos_add(struct request_queue *q, struct rq_qos *rqos) blk_mq_unfreeze_queue(q); - if (rqos->ops->debugfs_attrs) + if (rqos->ops->debugfs_attrs) { + mutex_lock(&q->debugfs_mutex); blk_mq_debugfs_register_rqos(rqos); + mutex_unlock(&q->debugfs_mutex); + } } static inline void rq_qos_del(struct request_queue *q, struct rq_qos *rqos) @@ -129,7 +132,9 @@ static inline void rq_qos_del(struct request_queue *q, struct rq_qos *rqos) blk_mq_unfreeze_queue(q); + mutex_lock(&q->debugfs_mutex); blk_mq_debugfs_unregister_rqos(rqos); + mutex_unlock(&q->debugfs_mutex); } typedef bool (acquire_inflight_cb_t)(struct rq_wait *rqw, void *private_data); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 88bd41d4cb59..9b905e9443e4 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -779,14 +779,6 @@ static void blk_release_queue(struct kobject *kobj) if (queue_is_mq(q)) blk_mq_release(q); - blk_trace_shutdown(q); - mutex_lock(&q->debugfs_mutex); - debugfs_remove_recursive(q->debugfs_dir); - mutex_unlock(&q->debugfs_mutex); - - if (queue_is_mq(q)) - blk_mq_debugfs_unregister(q); - bioset_exit(&q->bio_split); if (blk_queue_has_srcu(q)) @@ -836,17 +828,16 @@ int blk_register_queue(struct gendisk *disk) goto unlock; } + if (queue_is_mq(q)) + __blk_mq_register_dev(dev, q); + mutex_lock(&q->sysfs_lock); + mutex_lock(&q->debugfs_mutex); q->debugfs_dir = debugfs_create_dir(kobject_name(q->kobj.parent), blk_debugfs_root); - mutex_unlock(&q->debugfs_mutex); - - if (queue_is_mq(q)) { - __blk_mq_register_dev(dev, q); + if (queue_is_mq(q)) blk_mq_debugfs_register(q); - } - - mutex_lock(&q->sysfs_lock); + mutex_unlock(&q->debugfs_mutex); ret = disk_register_independent_access_ranges(disk, NULL); if (ret) @@ -948,8 +939,15 @@ void blk_unregister_queue(struct gendisk *disk) /* Now that we've deleted all child objects, we can delete the queue. */ kobject_uevent(&q->kobj, KOBJ_REMOVE); kobject_del(&q->kobj); - mutex_unlock(&q->sysfs_dir_lock); + mutex_lock(&q->debugfs_mutex); + blk_trace_shutdown(q); + debugfs_remove_recursive(q->debugfs_dir); + q->debugfs_dir = NULL; + q->sched_debugfs_dir = NULL; + q->rqos_debugfs_dir = NULL; + mutex_unlock(&q->debugfs_mutex); + kobject_put(&disk_to_dev(disk)->kobj); } diff --git a/block/genhd.c b/block/genhd.c index 27205ae47d59..278227ba1d53 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -623,6 +623,7 @@ void del_gendisk(struct gendisk *disk) * Prevent new I/O from crossing bio_queue_enter(). */ blk_queue_start_drain(q); + blk_mq_freeze_queue_wait(q); if (!(disk->flags & GENHD_FL_HIDDEN)) { sysfs_remove_link(&disk_to_dev(disk)->kobj, "bdi"); @@ -646,12 +647,21 @@ void del_gendisk(struct gendisk *disk) pm_runtime_set_memalloc_noio(disk_to_dev(disk), false); device_del(disk_to_dev(disk)); - blk_mq_freeze_queue_wait(q); - blk_throtl_cancel_bios(disk->queue); blk_sync_queue(q); blk_flush_integrity(); + blk_mq_cancel_work_sync(q); + + blk_mq_quiesce_queue(q); + if (q->elevator) { + mutex_lock(&q->sysfs_lock); + elevator_exit(q); + mutex_unlock(&q->sysfs_lock); + } + rq_qos_exit(q); + blk_mq_unquiesce_queue(q); + /* * Allow using passthrough request again after the queue is torn down. */ @@ -1120,31 +1130,6 @@ static const struct attribute_group *disk_attr_groups[] = { NULL }; -static void disk_release_mq(struct request_queue *q) -{ - blk_mq_cancel_work_sync(q); - - /* - * There can't be any non non-passthrough bios in flight here, but - * requests stay around longer, including passthrough ones so we - * still need to freeze the queue here. - */ - blk_mq_freeze_queue(q); - - /* - * Since the I/O scheduler exit code may access cgroup information, - * perform I/O scheduler exit before disassociating from the block - * cgroup controller. - */ - if (q->elevator) { - mutex_lock(&q->sysfs_lock); - elevator_exit(q); - mutex_unlock(&q->sysfs_lock); - } - rq_qos_exit(q); - __blk_mq_unfreeze_queue(q, true); -} - /** * disk_release - releases all allocated resources of the gendisk * @dev: the device representing this disk @@ -1166,9 +1151,6 @@ static void disk_release(struct device *dev) might_sleep(); WARN_ON_ONCE(disk_live(disk)); - if (queue_is_mq(disk->queue)) - disk_release_mq(disk->queue); - blkcg_exit_queue(disk->queue); disk_release_events(disk); diff --git a/block/holder.c b/block/holder.c index 8d750281a1cd..5283bc804cc1 100644 --- a/block/holder.c +++ b/block/holder.c @@ -79,10 +79,6 @@ int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk) WARN_ON_ONCE(!bdev->bd_holder); - /* FIXME: remove the following once add_disk() handles errors */ - if (WARN_ON(!bdev->bd_holder_dir)) - goto out_unlock; - holder = bd_find_holder_disk(bdev, disk); if (holder) { holder->refcnt++; diff --git a/certs/Makefile b/certs/Makefile index a8d628fd5f7b..88a73b28d254 100644 --- a/certs/Makefile +++ b/certs/Makefile @@ -3,8 +3,8 @@ # Makefile for the linux kernel signature checking certificates. # -obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o common.o -obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o common.o +obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o +obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),) diff --git a/certs/blacklist.c b/certs/blacklist.c index 25094ea73600..41f10601cc72 100644 --- a/certs/blacklist.c +++ b/certs/blacklist.c @@ -15,10 +15,9 @@ #include <linux/err.h> #include <linux/seq_file.h> #include <linux/uidgid.h> -#include <linux/verification.h> +#include <keys/asymmetric-type.h> #include <keys/system_keyring.h> #include "blacklist.h" -#include "common.h" /* * According to crypto/asymmetric_keys/x509_cert_parser.c:x509_note_pkey_algo(), @@ -365,8 +364,9 @@ static __init int load_revocation_certificate_list(void) if (revocation_certificate_list_size) pr_notice("Loading compiled-in revocation X.509 certificates\n"); - return load_certificate_list(revocation_certificate_list, revocation_certificate_list_size, - blacklist_keyring); + return x509_load_certificate_list(revocation_certificate_list, + revocation_certificate_list_size, + blacklist_keyring); } late_initcall(load_revocation_certificate_list); #endif diff --git a/certs/common.h b/certs/common.h deleted file mode 100644 index abdb5795936b..000000000000 --- a/certs/common.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ - -#ifndef _CERT_COMMON_H -#define _CERT_COMMON_H - -int load_certificate_list(const u8 cert_list[], const unsigned long list_size, - const struct key *keyring); - -#endif diff --git a/certs/system_keyring.c b/certs/system_keyring.c index 05b66ce9d1c9..5042cc54fa5e 100644 --- a/certs/system_keyring.c +++ b/certs/system_keyring.c @@ -16,7 +16,6 @@ #include <keys/asymmetric-type.h> #include <keys/system_keyring.h> #include <crypto/pkcs7.h> -#include "common.h" static struct key *builtin_trusted_keys; #ifdef CONFIG_SECONDARY_TRUSTED_KEYRING @@ -183,7 +182,8 @@ __init int load_module_cert(struct key *keyring) pr_notice("Loading compiled-in module X.509 certificates\n"); - return load_certificate_list(system_certificate_list, module_cert_size, keyring); + return x509_load_certificate_list(system_certificate_list, + module_cert_size, keyring); } /* @@ -204,7 +204,7 @@ static __init int load_system_certificate_list(void) size = system_certificate_list_size - module_cert_size; #endif - return load_certificate_list(p, size, builtin_trusted_keys); + return x509_load_certificate_list(p, size, builtin_trusted_keys); } late_initcall(load_system_certificate_list); diff --git a/crypto/asymmetric_keys/Kconfig b/crypto/asymmetric_keys/Kconfig index 460bc5d0a828..3df3fe4ed95f 100644 --- a/crypto/asymmetric_keys/Kconfig +++ b/crypto/asymmetric_keys/Kconfig @@ -75,4 +75,14 @@ config SIGNED_PE_FILE_VERIFICATION This option provides support for verifying the signature(s) on a signed PE binary. +config FIPS_SIGNATURE_SELFTEST + bool "Run FIPS selftests on the X.509+PKCS7 signature verification" + help + This option causes some selftests to be run on the signature + verification code, using some built in data. This is required + for FIPS. + depends on KEYS + depends on ASYMMETRIC_KEY_TYPE + depends on PKCS7_MESSAGE_PARSER + endif # ASYMMETRIC_KEY_TYPE diff --git a/crypto/asymmetric_keys/Makefile b/crypto/asymmetric_keys/Makefile index c38424f55b08..0d1fa1b692c6 100644 --- a/crypto/asymmetric_keys/Makefile +++ b/crypto/asymmetric_keys/Makefile @@ -20,7 +20,9 @@ x509_key_parser-y := \ x509.asn1.o \ x509_akid.asn1.o \ x509_cert_parser.o \ + x509_loader.o \ x509_public_key.o +x509_key_parser-$(CONFIG_FIPS_SIGNATURE_SELFTEST) += selftest.o $(obj)/x509_cert_parser.o: \ $(obj)/x509.asn1.h \ diff --git a/crypto/asymmetric_keys/selftest.c b/crypto/asymmetric_keys/selftest.c new file mode 100644 index 000000000000..fa0bf7f24284 --- /dev/null +++ b/crypto/asymmetric_keys/selftest.c @@ -0,0 +1,224 @@ +/* Self-testing for signature checking. + * + * Copyright (C) 2022 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#include <linux/kernel.h> +#include <linux/cred.h> +#include <linux/key.h> +#include <crypto/pkcs7.h> +#include "x509_parser.h" + +struct certs_test { + const u8 *data; + size_t data_len; + const u8 *pkcs7; + size_t pkcs7_len; +}; + +/* + * Set of X.509 certificates to provide public keys for the tests. These will + * be loaded into a temporary keyring for the duration of the testing. + */ +static const __initconst u8 certs_selftest_keys[] = { + "\x30\x82\x05\x55\x30\x82\x03\x3d\xa0\x03\x02\x01\x02\x02\x14\x73" + "\x98\xea\x98\x2d\xd0\x2e\xa8\xb1\xcf\x57\xc7\xf2\x97\xb3\xe6\x1a" + "\xfc\x8c\x0a\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01\x0b" + "\x05\x00\x30\x34\x31\x32\x30\x30\x06\x03\x55\x04\x03\x0c\x29\x43" + "\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66" + "\x69\x63\x61\x74\x69\x6f\x6e\x20\x73\x65\x6c\x66\x2d\x74\x65\x73" + "\x74\x69\x6e\x67\x20\x6b\x65\x79\x30\x20\x17\x0d\x32\x32\x30\x35" + "\x31\x38\x32\x32\x33\x32\x34\x31\x5a\x18\x0f\x32\x31\x32\x32\x30" + "\x34\x32\x34\x32\x32\x33\x32\x34\x31\x5a\x30\x34\x31\x32\x30\x30" + "\x06\x03\x55\x04\x03\x0c\x29\x43\x65\x72\x74\x69\x66\x69\x63\x61" + "\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63\x61\x74\x69\x6f\x6e\x20" + "\x73\x65\x6c\x66\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x6b\x65\x79" + "\x30\x82\x02\x22\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01" + "\x01\x05\x00\x03\x82\x02\x0f\x00\x30\x82\x02\x0a\x02\x82\x02\x01" + "\x00\xcc\xac\x49\xdd\x3b\xca\xb0\x15\x7e\x84\x6a\xb2\x0a\x69\x5f" + "\x1c\x0a\x61\x82\x3b\x4f\x2c\xa3\x95\x2c\x08\x58\x4b\xb1\x5d\x99" + "\xe0\xc3\xc1\x79\xc2\xb3\xeb\xc0\x1e\x6d\x3e\x54\x1d\xbd\xb7\x92" + "\x7b\x4d\xb5\x95\x58\xb2\x52\x2e\xc6\x24\x4b\x71\x63\x80\x32\x77" + "\xa7\x38\x5e\xdb\x72\xae\x6e\x0d\xec\xfb\xb6\x6d\x01\x7f\xe9\x55" + "\x66\xdf\xbf\x1d\x76\x78\x02\x31\xe8\xe5\x07\xf8\xb7\x82\x5c\x0d" + "\xd4\xbb\xfb\xa2\x59\x0d\x2e\x3a\x78\x95\x3a\x8b\x46\x06\x47\x44" + "\x46\xd7\xcd\x06\x6a\x41\x13\xe3\x19\xf6\xbb\x6e\x38\xf4\x83\x01" + "\xa3\xbf\x4a\x39\x4f\xd7\x0a\xe9\x38\xb3\xf5\x94\x14\x4e\xdd\xf7" + "\x43\xfd\x24\xb2\x49\x3c\xa5\xf7\x7a\x7c\xd4\x45\x3d\x97\x75\x68" + "\xf1\xed\x4c\x42\x0b\x70\xca\x85\xf3\xde\xe5\x88\x2c\xc5\xbe\xb6" + "\x97\x34\xba\x24\x02\xcd\x8b\x86\x9f\xa9\x73\xca\x73\xcf\x92\x81" + "\xee\x75\x55\xbb\x18\x67\x5c\xff\x3f\xb5\xdd\x33\x1b\x0c\xe9\x78" + "\xdb\x5c\xcf\xaa\x5c\x43\x42\xdf\x5e\xa9\x6d\xec\xd7\xd7\xff\xe6" + "\xa1\x3a\x92\x1a\xda\xae\xf6\x8c\x6f\x7b\xd5\xb4\x6e\x06\xe9\x8f" + "\xe8\xde\x09\x31\x89\xed\x0e\x11\xa1\xfa\x8a\xe9\xe9\x64\x59\x62" + "\x53\xda\xd1\x70\xbe\x11\xd4\x99\x97\x11\xcf\x99\xde\x0b\x9d\x94" + "\x7e\xaa\xb8\x52\xea\x37\xdb\x90\x7e\x35\xbd\xd9\xfe\x6d\x0a\x48" + "\x70\x28\xdd\xd5\x0d\x7f\x03\x80\x93\x14\x23\x8f\xb9\x22\xcd\x7c" + "\x29\xfe\xf1\x72\xb5\x5c\x0b\x12\xcf\x9c\x15\xf6\x11\x4c\x7a\x45" + "\x25\x8c\x45\x0a\x34\xac\x2d\x9a\x81\xca\x0b\x13\x22\xcd\xeb\x1a" + "\x38\x88\x18\x97\x96\x08\x81\xaa\xcc\x8f\x0f\x8a\x32\x7b\x76\x68" + "\x03\x68\x43\xbf\x11\xba\x55\x60\xfd\x80\x1c\x0d\x9b\x69\xb6\x09" + "\x72\xbc\x0f\x41\x2f\x07\x82\xc6\xe3\xb2\x13\x91\xc4\x6d\x14\x95" + "\x31\xbe\x19\xbd\xbc\xed\xe1\x4c\x74\xa2\xe0\x78\x0b\xbb\x94\xec" + "\x4c\x53\x3a\xa2\xb5\x84\x1d\x4b\x65\x7e\xdc\xf7\xdb\x36\x7d\xbe" + "\x9e\x3b\x36\x66\x42\x66\x76\x35\xbf\xbe\xf0\xc1\x3c\x7c\xe9\x42" + "\x5c\x24\x53\x03\x05\xa8\x67\x24\x50\x02\x75\xff\x24\x46\x3b\x35" + "\x89\x76\xe6\x70\xda\xc5\x51\x8c\x9a\xe5\x05\xb0\x0b\xd0\x2d\xd4" + "\x7d\x57\x75\x94\x6b\xf9\x0a\xad\x0e\x41\x00\x15\xd0\x4f\xc0\x7f" + "\x90\x2d\x18\x48\x8f\x28\xfe\x5d\xa7\xcd\x99\x9e\xbd\x02\x6c\x8a" + "\x31\xf3\x1c\xc7\x4b\xe6\x93\xcd\x42\xa2\xe4\x68\x10\x47\x9d\xfc" + "\x21\x02\x03\x01\x00\x01\xa3\x5d\x30\x5b\x30\x0c\x06\x03\x55\x1d" + "\x13\x01\x01\xff\x04\x02\x30\x00\x30\x0b\x06\x03\x55\x1d\x0f\x04" + "\x04\x03\x02\x07\x80\x30\x1d\x06\x03\x55\x1d\x0e\x04\x16\x04\x14" + "\xf5\x87\x03\xbb\x33\xce\x1b\x73\xee\x02\xec\xcd\xee\x5b\x88\x17" + "\x51\x8f\xe3\xdb\x30\x1f\x06\x03\x55\x1d\x23\x04\x18\x30\x16\x80" + "\x14\xf5\x87\x03\xbb\x33\xce\x1b\x73\xee\x02\xec\xcd\xee\x5b\x88" + "\x17\x51\x8f\xe3\xdb\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01" + "\x01\x0b\x05\x00\x03\x82\x02\x01\x00\xc0\x2e\x12\x41\x7b\x73\x85" + "\x16\xc8\xdb\x86\x79\xe8\xf5\xcd\x44\xf4\xc6\xe2\x81\x23\x5e\x47" + "\xcb\xab\x25\xf1\x1e\x58\x3e\x31\x7f\x78\xad\x85\xeb\xfe\x14\x88" + "\x60\xf7\x7f\xd2\x26\xa2\xf4\x98\x2a\xfd\xba\x05\x0c\x20\x33\x12" + "\xcc\x4d\x14\x61\x64\x81\x93\xd3\x33\xed\xc8\xff\xf1\x78\xcc\x5f" + "\x51\x9f\x09\xd7\xbe\x0d\x5c\x74\xfd\x9b\xdf\x52\x4a\xc9\xa8\x71" + "\x25\x33\x04\x10\x67\x36\xd0\xb3\x0b\xc9\xa1\x40\x72\xae\x41\x7b" + "\x68\xe6\xe4\x7b\xd0\x28\xf7\x6d\xe7\x3f\x50\xfc\x91\x7c\x91\x56" + "\xd4\xdf\xa6\xbb\xe8\x4d\x1b\x58\xaa\x28\xfa\xc1\x19\xeb\x11\x2f" + "\x24\x8b\x7c\xc5\xa9\x86\x26\xaa\x6e\xb7\x9b\xd5\xf8\x06\xfb\x02" + "\x52\x7b\x9c\x9e\xa1\xe0\x07\x8b\x5e\xe4\xb8\x55\x29\xf6\x48\x52" + "\x1c\x1b\x54\x2d\x46\xd8\xe5\x71\xb9\x60\xd1\x45\xb5\x92\x89\x8a" + "\x63\x58\x2a\xb3\xc6\xb2\x76\xe2\x3c\x82\x59\x04\xae\x5a\xc4\x99" + "\x7b\x2e\x4b\x46\x57\xb8\x29\x24\xb2\xfd\xee\x2c\x0d\xa4\x83\xfa" + "\x65\x2a\x07\x35\x8b\x97\xcf\xbd\x96\x2e\xd1\x7e\x6c\xc2\x1e\x87" + "\xb6\x6c\x76\x65\xb5\xb2\x62\xda\x8b\xe9\x73\xe3\xdb\x33\xdd\x13" + "\x3a\x17\x63\x6a\x76\xde\x8d\x8f\xe0\x47\x61\x28\x3a\x83\xff\x8f" + "\xe7\xc7\xe0\x4a\xa3\xe5\x07\xcf\xe9\x8c\x35\x35\x2e\xe7\x80\x66" + "\x31\xbf\x91\x58\x0a\xe1\x25\x3d\x38\xd3\xa4\xf0\x59\x34\x47\x07" + "\x62\x0f\xbe\x30\xdd\x81\x88\x58\xf0\x28\xb0\x96\xe5\x82\xf8\x05" + "\xb7\x13\x01\xbc\xfa\xc6\x1f\x86\x72\xcc\xf9\xee\x8e\xd9\xd6\x04" + "\x8c\x24\x6c\xbf\x0f\x5d\x37\x39\xcf\x45\xc1\x93\x3a\xd2\xed\x5c" + "\x58\x79\x74\x86\x62\x30\x7e\x8e\xbb\xdd\x7a\xa9\xed\xca\x40\xcb" + "\x62\x47\xf4\xb4\x9f\x52\x7f\x72\x63\xa8\xf0\x2b\xaf\x45\x2a\x48" + "\x19\x6d\xe3\xfb\xf9\x19\x66\x69\xc8\xcc\x62\x87\x6c\x53\x2b\x2d" + "\x6e\x90\x6c\x54\x3a\x82\x25\x41\xcb\x18\x6a\xa4\x22\xa8\xa1\xc4" + "\x47\xd7\x81\x00\x1c\x15\x51\x0f\x1a\xaf\xef\x9f\xa6\x61\x8c\xbd" + "\x6b\x8b\xed\xe6\xac\x0e\xb6\x3a\x4c\x92\xe6\x0f\x91\x0a\x0f\x71" + "\xc7\xa0\xb9\x0d\x3a\x17\x5a\x6f\x35\xc8\xe7\x50\x4f\x46\xe8\x70" + "\x60\x48\x06\x82\x8b\x66\x58\xe6\x73\x91\x9c\x12\x3d\x35\x8e\x46" + "\xad\x5a\xf5\xb3\xdb\x69\x21\x04\xfd\xd3\x1c\xdf\x94\x9d\x56\xb0" + "\x0a\xd1\x95\x76\x8d\xec\x9e\xdd\x0b\x15\x97\x64\xad\xe5\xf2\x62" + "\x02\xfc\x9e\x5f\x56\x42\x39\x05\xb3" +}; + +/* + * Signed data and detached signature blobs that form the verification tests. + */ +static const __initconst u8 certs_selftest_1_data[] = { + "\x54\x68\x69\x73\x20\x69\x73\x20\x73\x6f\x6d\x65\x20\x74\x65\x73" + "\x74\x20\x64\x61\x74\x61\x20\x75\x73\x65\x64\x20\x66\x6f\x72\x20" + "\x73\x65\x6c\x66\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x63\x65\x72" + "\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63" + "\x61\x74\x69\x6f\x6e\x2e\x0a" +}; + +static const __initconst u8 certs_selftest_1_pkcs7[] = { + "\x30\x82\x02\xab\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x07\x02\xa0" + "\x82\x02\x9c\x30\x82\x02\x98\x02\x01\x01\x31\x0d\x30\x0b\x06\x09" + "\x60\x86\x48\x01\x65\x03\x04\x02\x01\x30\x0b\x06\x09\x2a\x86\x48" + "\x86\xf7\x0d\x01\x07\x01\x31\x82\x02\x75\x30\x82\x02\x71\x02\x01" + "\x01\x30\x4c\x30\x34\x31\x32\x30\x30\x06\x03\x55\x04\x03\x0c\x29" + "\x43\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69" + "\x66\x69\x63\x61\x74\x69\x6f\x6e\x20\x73\x65\x6c\x66\x2d\x74\x65" + "\x73\x74\x69\x6e\x67\x20\x6b\x65\x79\x02\x14\x73\x98\xea\x98\x2d" + "\xd0\x2e\xa8\xb1\xcf\x57\xc7\xf2\x97\xb3\xe6\x1a\xfc\x8c\x0a\x30" + "\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x30\x0d\x06\x09" + "\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01\x05\x00\x04\x82\x02\x00\xac" + "\xb0\xf2\x07\xd6\x99\x6d\xc0\xc0\xd9\x8d\x31\x0d\x7e\x04\xeb\xc3" + "\x88\x90\xc4\x58\x46\xd4\xe2\xa0\xa3\x25\xe3\x04\x50\x37\x85\x8c" + "\x91\xc6\xfc\xc5\xd4\x92\xfd\x05\xd8\xb8\xa3\xb8\xba\x89\x13\x00" + "\x88\x79\x99\x51\x6b\x5b\x28\x31\xc0\xb3\x1b\x7a\x68\x2c\x00\xdb" + "\x4b\x46\x11\xf3\xfa\x50\x8e\x19\x89\xa2\x4c\xda\x4c\x89\x01\x11" + "\x89\xee\xd3\xc8\xc1\xe7\xa7\xf6\xb2\xa2\xf8\x65\xb8\x35\x20\x33" + "\xba\x12\x62\xd5\xbd\xaa\x71\xe5\x5b\xc0\x6a\x32\xff\x6a\x2e\x23" + "\xef\x2b\xb6\x58\xb1\xfb\x5f\x82\x34\x40\x6d\x9f\xbc\x27\xac\x37" + "\x23\x99\xcf\x7d\x20\xb2\x39\x01\xc0\x12\xce\xd7\x5d\x2f\xb6\xab" + "\xb5\x56\x4f\xef\xf4\x72\x07\x58\x65\xa9\xeb\x1f\x75\x1c\x5f\x0c" + "\x88\xe0\xa4\xe2\xcd\x73\x2b\x9e\xb2\x05\x7e\x12\xf8\xd0\x66\x41" + "\xcc\x12\x63\xd4\xd6\xac\x9b\x1d\x14\x77\x8d\x1c\x57\xd5\x27\xc6" + "\x49\xa2\x41\x43\xf3\x59\x29\xe5\xcb\xd1\x75\xbc\x3a\x97\x2a\x72" + "\x22\x66\xc5\x3b\xc1\xba\xfc\x53\x18\x98\xe2\x21\x64\xc6\x52\x87" + "\x13\xd5\x7c\x42\xe8\xfb\x9c\x9a\x45\x32\xd5\xa5\x22\x62\x9d\xd4" + "\xcb\xa4\xfa\x77\xbb\x50\x24\x0b\x8b\x88\x99\x15\x56\xa9\x1e\x92" + "\xbf\x5d\x94\x77\xb6\xf1\x67\x01\x60\x06\x58\x5c\xdf\x18\x52\x79" + "\x37\x30\x93\x7d\x87\x04\xf1\xe0\x55\x59\x52\xf3\xc2\xb1\x1c\x5b" + "\x12\x7c\x49\x87\xfb\xf7\xed\xdd\x95\x71\xec\x4b\x1a\x85\x08\xb0" + "\xa0\x36\xc4\x7b\xab\x40\xe0\xf1\x98\xcc\xaf\x19\x40\x8f\x47\x6f" + "\xf0\x6c\x84\x29\x7f\x7f\x04\x46\xcb\x08\x0f\xe0\xc1\xc9\x70\x6e" + "\x95\x3b\xa4\xbc\x29\x2b\x53\x67\x45\x1b\x0d\xbc\x13\xa5\x76\x31" + "\xaf\xb9\xd0\xe0\x60\x12\xd2\xf4\xb7\x7c\x58\x7e\xf6\x2d\xbb\x24" + "\x14\x5a\x20\x24\xa8\x12\xdf\x25\xbd\x42\xce\x96\x7c\x2e\xba\x14" + "\x1b\x81\x9f\x18\x45\xa4\xc6\x70\x3e\x0e\xf0\xd3\x7b\x9c\x10\xbe" + "\xb8\x7a\x89\xc5\x9e\xd9\x97\xdf\xd7\xe7\xc6\x1d\xc0\x20\x6c\xb8" + "\x1e\x3a\x63\xb8\x39\x8e\x8e\x62\xd5\xd2\xb4\xcd\xff\x46\xfc\x8e" + "\xec\x07\x35\x0c\xff\xb0\x05\xe6\xf4\xe5\xfe\xa2\xe3\x0a\xe6\x36" + "\xa7\x4a\x7e\x62\x1d\xc4\x50\x39\x35\x4e\x28\xcb\x4a\xfb\x9d\xdb" + "\xdd\x23\xd6\x53\xb1\x74\x77\x12\xf7\x9c\xf0\x9a\x6b\xf7\xa9\x64" + "\x2d\x86\x21\x2a\xcf\xc6\x54\xf5\xc9\xad\xfa\xb5\x12\xb4\xf3\x51" + "\x77\x55\x3c\x6f\x0c\x32\xd3\x8c\x44\x39\x71\x25\xfe\x96\xd2" +}; + +/* + * List of tests to be run. + */ +#define TEST(data, pkcs7) { data, sizeof(data) - 1, pkcs7, sizeof(pkcs7) - 1 } +static const struct certs_test certs_tests[] __initconst = { + TEST(certs_selftest_1_data, certs_selftest_1_pkcs7), +}; + +int __init fips_signature_selftest(void) +{ + struct key *keyring; + int ret, i; + + pr_notice("Running certificate verification selftests\n"); + + keyring = keyring_alloc(".certs_selftest", + GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, current_cred(), + (KEY_POS_ALL & ~KEY_POS_SETATTR) | + KEY_USR_VIEW | KEY_USR_READ | + KEY_USR_SEARCH, + KEY_ALLOC_NOT_IN_QUOTA, + NULL, NULL); + if (IS_ERR(keyring)) + panic("Can't allocate certs selftest keyring: %ld\n", + PTR_ERR(keyring)); + + ret = x509_load_certificate_list(certs_selftest_keys, + sizeof(certs_selftest_keys) - 1, keyring); + if (ret < 0) + panic("Can't allocate certs selftest keyring: %d\n", ret); + + for (i = 0; i < ARRAY_SIZE(certs_tests); i++) { + const struct certs_test *test = &certs_tests[i]; + struct pkcs7_message *pkcs7; + + pkcs7 = pkcs7_parse_message(test->pkcs7, test->pkcs7_len); + if (IS_ERR(pkcs7)) + panic("Certs selftest %d: pkcs7_parse_message() = %d\n", i, ret); + + pkcs7_supply_detached_data(pkcs7, test->data, test->data_len); + + ret = pkcs7_verify(pkcs7, VERIFYING_MODULE_SIGNATURE); + if (ret < 0) + panic("Certs selftest %d: pkcs7_verify() = %d\n", i, ret); + + ret = pkcs7_validate_trust(pkcs7, keyring); + if (ret < 0) + panic("Certs selftest %d: pkcs7_validate_trust() = %d\n", i, ret); + + pkcs7_free_message(pkcs7); + } + + key_put(keyring); + return 0; +} diff --git a/certs/common.c b/crypto/asymmetric_keys/x509_loader.c index 16a220887a53..1bc169dee22e 100644 --- a/certs/common.c +++ b/crypto/asymmetric_keys/x509_loader.c @@ -2,11 +2,11 @@ #include <linux/kernel.h> #include <linux/key.h> -#include "common.h" +#include <keys/asymmetric-type.h> -int load_certificate_list(const u8 cert_list[], - const unsigned long list_size, - const struct key *keyring) +int x509_load_certificate_list(const u8 cert_list[], + const unsigned long list_size, + const struct key *keyring) { key_ref_t key; const u8 *p, *end; diff --git a/crypto/asymmetric_keys/x509_parser.h b/crypto/asymmetric_keys/x509_parser.h index 97a886cbe01c..a299c9c56f40 100644 --- a/crypto/asymmetric_keys/x509_parser.h +++ b/crypto/asymmetric_keys/x509_parser.h @@ -41,6 +41,15 @@ struct x509_certificate { }; /* + * selftest.c + */ +#ifdef CONFIG_FIPS_SIGNATURE_SELFTEST +extern int __init fips_signature_selftest(void); +#else +static inline int fips_signature_selftest(void) { return 0; } +#endif + +/* * x509_cert_parser.c */ extern void x509_free_certificate(struct x509_certificate *cert); diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c index 77ed4e93ad56..0b4943a4592b 100644 --- a/crypto/asymmetric_keys/x509_public_key.c +++ b/crypto/asymmetric_keys/x509_public_key.c @@ -244,9 +244,15 @@ static struct asymmetric_key_parser x509_key_parser = { /* * Module stuff */ +extern int __init certs_selftest(void); static int __init x509_key_init(void) { - return register_asymmetric_key_parser(&x509_key_parser); + int ret; + + ret = register_asymmetric_key_parser(&x509_key_parser); + if (ret < 0) + return ret; + return fips_signature_selftest(); } static void __exit x509_key_exit(void) diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index e07782b1fbb6..43177c20ce4f 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -73,6 +73,7 @@ module_param(device_id_scheme, bool, 0444); static int only_lcd = -1; module_param(only_lcd, int, 0444); +static bool has_backlight; static int register_count; static DEFINE_MUTEX(register_count_mutex); static DEFINE_MUTEX(video_list_lock); @@ -1222,6 +1223,9 @@ acpi_video_bus_get_one_device(struct acpi_device *device, acpi_video_device_bind(video, data); acpi_video_device_find_cap(data); + if (data->cap._BCM && data->cap._BCL) + has_backlight = true; + mutex_lock(&video->device_list_lock); list_add_tail(&data->entry, &video->video_device_list); mutex_unlock(&video->device_list_lock); @@ -2249,6 +2253,7 @@ void acpi_video_unregister(void) if (register_count) { acpi_bus_unregister_driver(&acpi_video_bus); register_count = 0; + has_backlight = false; } mutex_unlock(®ister_count_mutex); } @@ -2270,13 +2275,7 @@ void acpi_video_unregister_backlight(void) bool acpi_video_handles_brightness_key_presses(void) { - bool have_video_busses; - - mutex_lock(&video_list_lock); - have_video_busses = !list_empty(&video_bus_head); - mutex_unlock(&video_list_lock); - - return have_video_busses && + return has_backlight && (report_key_events & REPORT_BRIGHTNESS_KEY_EVENTS); } EXPORT_SYMBOL(acpi_video_handles_brightness_key_presses); diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index 6725931f3c35..c2c3238ff84b 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -90,7 +90,7 @@ static void cs5535_set_piomode(struct ata_port *ap, struct ata_device *adev) static const u16 pio_cmd_timings[5] = { 0xF7F4, 0x53F3, 0x13F1, 0x5131, 0x1131 }; - u32 reg, dummy; + u32 reg, __maybe_unused dummy; struct ata_device *pair = ata_dev_pair(adev); int mode = adev->pio_mode - XFER_PIO_0; @@ -129,7 +129,7 @@ static void cs5535_set_dmamode(struct ata_port *ap, struct ata_device *adev) static const u32 mwdma_timings[3] = { 0x7F0FFFF3, 0x7F035352, 0x7F024241 }; - u32 reg, dummy; + u32 reg, __maybe_unused dummy; int mode = adev->dma_mode; rdmsr(ATAC_CH0D0_DMA + 2 * adev->devno, reg, dummy); diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 084d67fd55cc..bc60c9cd3230 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -558,7 +558,7 @@ static ssize_t hard_offline_page_store(struct device *dev, if (kstrtoull(buf, 0, &pfn) < 0) return -EINVAL; pfn >>= PAGE_SHIFT; - ret = memory_failure(pfn, 0); + ret = memory_failure(pfn, MF_SW_SIMULATED); if (ret == -EOPNOTSUPP) ret = 0; return ret ? ret : count; diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 400c7412a7dc..a6db605707b0 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -252,6 +252,7 @@ static void regmap_irq_enable(struct irq_data *data) struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data); struct regmap *map = d->map; const struct regmap_irq *irq_data = irq_to_regmap_irq(d, data->hwirq); + unsigned int reg = irq_data->reg_offset / map->reg_stride; unsigned int mask, type; type = irq_data->type.type_falling_val | irq_data->type.type_rising_val; @@ -268,14 +269,14 @@ static void regmap_irq_enable(struct irq_data *data) * at the corresponding offset in regmap_irq_set_type(). */ if (d->chip->type_in_mask && type) - mask = d->type_buf[irq_data->reg_offset / map->reg_stride]; + mask = d->type_buf[reg] & irq_data->mask; else mask = irq_data->mask; if (d->chip->clear_on_unmask) d->clear_status = true; - d->mask_buf[irq_data->reg_offset / map->reg_stride] &= ~mask; + d->mask_buf[reg] &= ~mask; } static void regmap_irq_disable(struct irq_data *data) @@ -386,6 +387,7 @@ static inline int read_sub_irq_data(struct regmap_irq_chip_data *data, subreg = &chip->sub_reg_offsets[b]; for (i = 0; i < subreg->num_regs; i++) { unsigned int offset = subreg->offset[i]; + unsigned int index = offset / map->reg_stride; if (chip->not_fixed_stride) ret = regmap_read(map, @@ -394,7 +396,7 @@ static inline int read_sub_irq_data(struct regmap_irq_chip_data *data, else ret = regmap_read(map, chip->status_base + offset, - &data->status_buf[offset]); + &data->status_buf[index]); if (ret) break; diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 2221d9863831..c3517ccc3159 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1880,8 +1880,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg, */ bool regmap_can_raw_write(struct regmap *map) { - return map->bus && map->bus->write && map->format.format_val && - map->format.format_reg; + return map->write && map->format.format_val && map->format.format_reg; } EXPORT_SYMBOL_GPL(regmap_can_raw_write); @@ -2155,10 +2154,9 @@ int regmap_noinc_write(struct regmap *map, unsigned int reg, size_t write_len; int ret; - if (!map->bus) - return -EINVAL; - if (!map->bus->write) + if (!map->write) return -ENOTSUPP; + if (val_len % map->format.val_bytes) return -EINVAL; if (!IS_ALIGNED(reg, map->reg_stride)) @@ -2278,7 +2276,7 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val, * Some devices don't support bulk write, for them we have a series of * single write operations. */ - if (!map->bus || !map->format.parse_inplace) { + if (!map->write || !map->format.parse_inplace) { map->lock(map->lock_arg); for (i = 0; i < val_count; i++) { unsigned int ival; @@ -2904,6 +2902,9 @@ int regmap_noinc_read(struct regmap *map, unsigned int reg, size_t read_len; int ret; + if (!map->read) + return -ENOTSUPP; + if (val_len % map->format.val_bytes) return -EINVAL; if (!IS_ALIGNED(reg, map->reg_stride)) @@ -3017,7 +3018,7 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, if (val_count == 0) return -EINVAL; - if (map->format.parse_inplace && (vol || map->cache_type == REGCACHE_NONE)) { + if (map->read && map->format.parse_inplace && (vol || map->cache_type == REGCACHE_NONE)) { ret = regmap_raw_read(map, reg, val, val_bytes * val_count); if (ret != 0) return ret; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index a88ce4426400..33f04ef78984 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -2114,9 +2114,11 @@ static void blkfront_closing(struct blkfront_info *info) return; /* No more blkif_request(). */ - blk_mq_stop_hw_queues(info->rq); - blk_mark_disk_dead(info->gd); - set_capacity(info->gd, 0); + if (info->rq && info->gd) { + blk_mq_stop_hw_queues(info->rq); + blk_mark_disk_dead(info->gd); + set_capacity(info->gd, 0); + } for_each_rinfo(info, rinfo, i) { /* No more gnttab callback work. */ @@ -2457,16 +2459,19 @@ static int blkfront_remove(struct xenbus_device *xbdev) dev_dbg(&xbdev->dev, "%s removed", xbdev->nodename); - del_gendisk(info->gd); + if (info->gd) + del_gendisk(info->gd); mutex_lock(&blkfront_mutex); list_del(&info->info_list); mutex_unlock(&blkfront_mutex); blkif_free(info, 0); - xlbd_release_minors(info->gd->first_minor, info->gd->minors); - blk_cleanup_disk(info->gd); - blk_mq_free_tag_set(&info->tag_set); + if (info->gd) { + xlbd_release_minors(info->gd->first_minor, info->gd->minors); + blk_cleanup_disk(info->gd); + blk_mq_free_tag_set(&info->tag_set); + } kfree(info); return 0; diff --git a/drivers/bus/bt1-apb.c b/drivers/bus/bt1-apb.c index b25ff941e7c7..63b1b4a76671 100644 --- a/drivers/bus/bt1-apb.c +++ b/drivers/bus/bt1-apb.c @@ -175,10 +175,9 @@ static int bt1_apb_request_rst(struct bt1_apb *apb) int ret; apb->prst = devm_reset_control_get_optional_exclusive(apb->dev, "prst"); - if (IS_ERR(apb->prst)) { - dev_warn(apb->dev, "Couldn't get reset control line\n"); - return PTR_ERR(apb->prst); - } + if (IS_ERR(apb->prst)) + return dev_err_probe(apb->dev, PTR_ERR(apb->prst), + "Couldn't get reset control line\n"); ret = reset_control_deassert(apb->prst); if (ret) @@ -199,10 +198,9 @@ static int bt1_apb_request_clk(struct bt1_apb *apb) int ret; apb->pclk = devm_clk_get(apb->dev, "pclk"); - if (IS_ERR(apb->pclk)) { - dev_err(apb->dev, "Couldn't get APB clock descriptor\n"); - return PTR_ERR(apb->pclk); - } + if (IS_ERR(apb->pclk)) + return dev_err_probe(apb->dev, PTR_ERR(apb->pclk), + "Couldn't get APB clock descriptor\n"); ret = clk_prepare_enable(apb->pclk); if (ret) { diff --git a/drivers/bus/bt1-axi.c b/drivers/bus/bt1-axi.c index e7a6744acc7b..70e49a6e5374 100644 --- a/drivers/bus/bt1-axi.c +++ b/drivers/bus/bt1-axi.c @@ -135,10 +135,9 @@ static int bt1_axi_request_rst(struct bt1_axi *axi) int ret; axi->arst = devm_reset_control_get_optional_exclusive(axi->dev, "arst"); - if (IS_ERR(axi->arst)) { - dev_warn(axi->dev, "Couldn't get reset control line\n"); - return PTR_ERR(axi->arst); - } + if (IS_ERR(axi->arst)) + return dev_err_probe(axi->dev, PTR_ERR(axi->arst), + "Couldn't get reset control line\n"); ret = reset_control_deassert(axi->arst); if (ret) @@ -159,10 +158,9 @@ static int bt1_axi_request_clk(struct bt1_axi *axi) int ret; axi->aclk = devm_clk_get(axi->dev, "aclk"); - if (IS_ERR(axi->aclk)) { - dev_err(axi->dev, "Couldn't get AXI Interconnect clock\n"); - return PTR_ERR(axi->aclk); - } + if (IS_ERR(axi->aclk)) + return dev_err_probe(axi->dev, PTR_ERR(axi->aclk), + "Couldn't get AXI Interconnect clock\n"); ret = clk_prepare_enable(axi->aclk); if (ret) { diff --git a/drivers/char/random.c b/drivers/char/random.c index 655e327d425e..e3dd1dd3dd22 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -87,7 +87,7 @@ static struct fasync_struct *fasync; /* Control how we warn userspace. */ static struct ratelimit_state urandom_warning = - RATELIMIT_STATE_INIT("warn_urandom_randomness", HZ, 3); + RATELIMIT_STATE_INIT_FLAGS("urandom_warning", HZ, 3, RATELIMIT_MSG_ON_RELEASE); static int ratelimit_disable __read_mostly = IS_ENABLED(CONFIG_WARN_ALL_UNSEEDED_RANDOM); module_param_named(ratelimit_disable, ratelimit_disable, int, 0644); @@ -408,7 +408,7 @@ static ssize_t get_random_bytes_user(struct iov_iter *iter) /* * Immediately overwrite the ChaCha key at index 4 with random - * bytes, in case userspace causes copy_to_user() below to sleep + * bytes, in case userspace causes copy_to_iter() below to sleep * forever, so that we still retain forward secrecy in that case. */ crng_make_state(chacha_state, (u8 *)&chacha_state[4], CHACHA_KEY_SIZE); @@ -1009,7 +1009,7 @@ void add_interrupt_randomness(int irq) if (new_count & MIX_INFLIGHT) return; - if (new_count < 64 && !time_is_before_jiffies(fast_pool->last + HZ)) + if (new_count < 1024 && !time_is_before_jiffies(fast_pool->last + HZ)) return; if (unlikely(!fast_pool->mix.func)) diff --git a/drivers/clk/stm32/reset-stm32.c b/drivers/clk/stm32/reset-stm32.c index 040870130e4b..e89381528af9 100644 --- a/drivers/clk/stm32/reset-stm32.c +++ b/drivers/clk/stm32/reset-stm32.c @@ -111,6 +111,7 @@ int stm32_rcc_reset_init(struct device *dev, const struct of_device_id *match, if (!reset_data) return -ENOMEM; + spin_lock_init(&reset_data->lock); reset_data->membase = base; reset_data->rcdev.owner = THIS_MODULE; reset_data->rcdev.ops = &stm32_reset_ops; diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 7be38bc6a673..9ac75c1cde9c 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -566,6 +566,28 @@ static int amd_pstate_cpu_exit(struct cpufreq_policy *policy) return 0; } +static int amd_pstate_cpu_resume(struct cpufreq_policy *policy) +{ + int ret; + + ret = amd_pstate_enable(true); + if (ret) + pr_err("failed to enable amd-pstate during resume, return %d\n", ret); + + return ret; +} + +static int amd_pstate_cpu_suspend(struct cpufreq_policy *policy) +{ + int ret; + + ret = amd_pstate_enable(false); + if (ret) + pr_err("failed to disable amd-pstate during suspend, return %d\n", ret); + + return ret; +} + /* Sysfs attributes */ /* @@ -636,6 +658,8 @@ static struct cpufreq_driver amd_pstate_driver = { .target = amd_pstate_target, .init = amd_pstate_cpu_init, .exit = amd_pstate_cpu_exit, + .suspend = amd_pstate_cpu_suspend, + .resume = amd_pstate_cpu_resume, .set_boost = amd_pstate_set_boost, .name = "amd-pstate", .attr = amd_pstate_attr, diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index 96de1536e1cb..2c96de3f2d83 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -127,6 +127,7 @@ static const struct of_device_id blocklist[] __initconst = { { .compatible = "mediatek,mt8173", }, { .compatible = "mediatek,mt8176", }, { .compatible = "mediatek,mt8183", }, + { .compatible = "mediatek,mt8186", }, { .compatible = "mediatek,mt8365", }, { .compatible = "mediatek,mt8516", }, diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c index 20f64a8b0a35..4b8ee2014da6 100644 --- a/drivers/cpufreq/pmac32-cpufreq.c +++ b/drivers/cpufreq/pmac32-cpufreq.c @@ -470,6 +470,10 @@ static int pmac_cpufreq_init_MacRISC3(struct device_node *cpunode) if (slew_done_gpio_np) slew_done_gpio = read_gpio(slew_done_gpio_np); + of_node_put(volt_gpio_np); + of_node_put(freq_gpio_np); + of_node_put(slew_done_gpio_np); + /* If we use the frequency GPIOs, calculate the min/max speeds based * on the bus frequencies */ diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 0253731d6d25..36c79580fba2 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -442,6 +442,9 @@ static int qcom_cpufreq_hw_cpu_online(struct cpufreq_policy *policy) struct platform_device *pdev = cpufreq_get_driver_data(); int ret; + if (data->throttle_irq <= 0) + return 0; + ret = irq_set_affinity_hint(data->throttle_irq, policy->cpus); if (ret) dev_err(&pdev->dev, "Failed to set CPU affinity of %s[%d]\n", @@ -469,6 +472,9 @@ static int qcom_cpufreq_hw_cpu_offline(struct cpufreq_policy *policy) static void qcom_cpufreq_hw_lmh_exit(struct qcom_cpufreq_data *data) { + if (data->throttle_irq <= 0) + return; + free_irq(data->throttle_irq, data); } diff --git a/drivers/cpufreq/qoriq-cpufreq.c b/drivers/cpufreq/qoriq-cpufreq.c index 6b6b20da2bcf..573b417e1483 100644 --- a/drivers/cpufreq/qoriq-cpufreq.c +++ b/drivers/cpufreq/qoriq-cpufreq.c @@ -275,6 +275,7 @@ static int qoriq_cpufreq_probe(struct platform_device *pdev) np = of_find_matching_node(NULL, qoriq_cpufreq_blacklist); if (np) { + of_node_put(np); dev_info(&pdev->dev, "Disabling due to erratum A-008083"); return -ENODEV; } diff --git a/drivers/crypto/ccp/sp-platform.c b/drivers/crypto/ccp/sp-platform.c index 9dba52fbee99..7d79a8744f9a 100644 --- a/drivers/crypto/ccp/sp-platform.c +++ b/drivers/crypto/ccp/sp-platform.c @@ -85,17 +85,9 @@ static int sp_get_irqs(struct sp_device *sp) struct sp_platform *sp_platform = sp->dev_specific; struct device *dev = sp->dev; struct platform_device *pdev = to_platform_device(dev); - unsigned int i, count; int ret; - for (i = 0, count = 0; i < pdev->num_resources; i++) { - struct resource *res = &pdev->resource[i]; - - if (resource_type(res) == IORESOURCE_IRQ) - count++; - } - - sp_platform->irq_count = count; + sp_platform->irq_count = platform_irq_count(pdev); ret = platform_get_irq(pdev, 0); if (ret < 0) { @@ -104,7 +96,7 @@ static int sp_get_irqs(struct sp_device *sp) } sp->psp_irq = ret; - if (count == 1) { + if (sp_platform->irq_count == 1) { sp->ccp_irq = ret; } else { ret = platform_get_irq(pdev, 1); diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 01474daf4548..9602141bb8ec 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -123,7 +123,7 @@ void devfreq_get_freq_range(struct devfreq *devfreq, unsigned long *min_freq, unsigned long *max_freq) { - unsigned long *freq_table = devfreq->profile->freq_table; + unsigned long *freq_table = devfreq->freq_table; s32 qos_min_freq, qos_max_freq; lockdep_assert_held(&devfreq->lock); @@ -133,11 +133,11 @@ void devfreq_get_freq_range(struct devfreq *devfreq, * The devfreq drivers can initialize this in either ascending or * descending order and devfreq core supports both. */ - if (freq_table[0] < freq_table[devfreq->profile->max_state - 1]) { + if (freq_table[0] < freq_table[devfreq->max_state - 1]) { *min_freq = freq_table[0]; - *max_freq = freq_table[devfreq->profile->max_state - 1]; + *max_freq = freq_table[devfreq->max_state - 1]; } else { - *min_freq = freq_table[devfreq->profile->max_state - 1]; + *min_freq = freq_table[devfreq->max_state - 1]; *max_freq = freq_table[0]; } @@ -169,8 +169,8 @@ static int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq) { int lev; - for (lev = 0; lev < devfreq->profile->max_state; lev++) - if (freq == devfreq->profile->freq_table[lev]) + for (lev = 0; lev < devfreq->max_state; lev++) + if (freq == devfreq->freq_table[lev]) return lev; return -EINVAL; @@ -178,7 +178,6 @@ static int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq) static int set_freq_table(struct devfreq *devfreq) { - struct devfreq_dev_profile *profile = devfreq->profile; struct dev_pm_opp *opp; unsigned long freq; int i, count; @@ -188,25 +187,22 @@ static int set_freq_table(struct devfreq *devfreq) if (count <= 0) return -EINVAL; - profile->max_state = count; - profile->freq_table = devm_kcalloc(devfreq->dev.parent, - profile->max_state, - sizeof(*profile->freq_table), - GFP_KERNEL); - if (!profile->freq_table) { - profile->max_state = 0; + devfreq->max_state = count; + devfreq->freq_table = devm_kcalloc(devfreq->dev.parent, + devfreq->max_state, + sizeof(*devfreq->freq_table), + GFP_KERNEL); + if (!devfreq->freq_table) return -ENOMEM; - } - for (i = 0, freq = 0; i < profile->max_state; i++, freq++) { + for (i = 0, freq = 0; i < devfreq->max_state; i++, freq++) { opp = dev_pm_opp_find_freq_ceil(devfreq->dev.parent, &freq); if (IS_ERR(opp)) { - devm_kfree(devfreq->dev.parent, profile->freq_table); - profile->max_state = 0; + devm_kfree(devfreq->dev.parent, devfreq->freq_table); return PTR_ERR(opp); } dev_pm_opp_put(opp); - profile->freq_table[i] = freq; + devfreq->freq_table[i] = freq; } return 0; @@ -246,7 +242,7 @@ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq) if (lev != prev_lev) { devfreq->stats.trans_table[ - (prev_lev * devfreq->profile->max_state) + lev]++; + (prev_lev * devfreq->max_state) + lev]++; devfreq->stats.total_trans++; } @@ -835,6 +831,9 @@ struct devfreq *devfreq_add_device(struct device *dev, if (err < 0) goto err_dev; mutex_lock(&devfreq->lock); + } else { + devfreq->freq_table = devfreq->profile->freq_table; + devfreq->max_state = devfreq->profile->max_state; } devfreq->scaling_min_freq = find_available_min_freq(devfreq); @@ -870,8 +869,8 @@ struct devfreq *devfreq_add_device(struct device *dev, devfreq->stats.trans_table = devm_kzalloc(&devfreq->dev, array3_size(sizeof(unsigned int), - devfreq->profile->max_state, - devfreq->profile->max_state), + devfreq->max_state, + devfreq->max_state), GFP_KERNEL); if (!devfreq->stats.trans_table) { mutex_unlock(&devfreq->lock); @@ -880,7 +879,7 @@ struct devfreq *devfreq_add_device(struct device *dev, } devfreq->stats.time_in_state = devm_kcalloc(&devfreq->dev, - devfreq->profile->max_state, + devfreq->max_state, sizeof(*devfreq->stats.time_in_state), GFP_KERNEL); if (!devfreq->stats.time_in_state) { @@ -932,8 +931,9 @@ struct devfreq *devfreq_add_device(struct device *dev, err = devfreq->governor->event_handler(devfreq, DEVFREQ_GOV_START, NULL); if (err) { - dev_err(dev, "%s: Unable to start governor for the device\n", - __func__); + dev_err_probe(dev, err, + "%s: Unable to start governor for the device\n", + __func__); goto err_init; } create_sysfs_files(devfreq, devfreq->governor); @@ -1665,9 +1665,9 @@ static ssize_t available_frequencies_show(struct device *d, mutex_lock(&df->lock); - for (i = 0; i < df->profile->max_state; i++) + for (i = 0; i < df->max_state; i++) count += scnprintf(&buf[count], (PAGE_SIZE - count - 2), - "%lu ", df->profile->freq_table[i]); + "%lu ", df->freq_table[i]); mutex_unlock(&df->lock); /* Truncate the trailing space */ @@ -1690,7 +1690,7 @@ static ssize_t trans_stat_show(struct device *dev, if (!df->profile) return -EINVAL; - max_state = df->profile->max_state; + max_state = df->max_state; if (max_state == 0) return sprintf(buf, "Not Supported.\n"); @@ -1707,19 +1707,17 @@ static ssize_t trans_stat_show(struct device *dev, len += sprintf(buf + len, " :"); for (i = 0; i < max_state; i++) len += sprintf(buf + len, "%10lu", - df->profile->freq_table[i]); + df->freq_table[i]); len += sprintf(buf + len, " time(ms)\n"); for (i = 0; i < max_state; i++) { - if (df->profile->freq_table[i] - == df->previous_freq) { + if (df->freq_table[i] == df->previous_freq) len += sprintf(buf + len, "*"); - } else { + else len += sprintf(buf + len, " "); - } - len += sprintf(buf + len, "%10lu:", - df->profile->freq_table[i]); + + len += sprintf(buf + len, "%10lu:", df->freq_table[i]); for (j = 0; j < max_state; j++) len += sprintf(buf + len, "%10u", df->stats.trans_table[(i * max_state) + j]); @@ -1743,7 +1741,7 @@ static ssize_t trans_stat_store(struct device *dev, if (!df->profile) return -EINVAL; - if (df->profile->max_state == 0) + if (df->max_state == 0) return count; err = kstrtoint(buf, 10, &value); @@ -1751,11 +1749,11 @@ static ssize_t trans_stat_store(struct device *dev, return -EINVAL; mutex_lock(&df->lock); - memset(df->stats.time_in_state, 0, (df->profile->max_state * + memset(df->stats.time_in_state, 0, (df->max_state * sizeof(*df->stats.time_in_state))); memset(df->stats.trans_table, 0, array3_size(sizeof(unsigned int), - df->profile->max_state, - df->profile->max_state)); + df->max_state, + df->max_state)); df->stats.total_trans = 0; df->stats.last_update = get_jiffies_64(); mutex_unlock(&df->lock); diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c index 9b849d781116..a443e7c42daf 100644 --- a/drivers/devfreq/event/exynos-ppmu.c +++ b/drivers/devfreq/event/exynos-ppmu.c @@ -519,15 +519,19 @@ static int of_get_devfreq_events(struct device_node *np, count = of_get_child_count(events_np); desc = devm_kcalloc(dev, count, sizeof(*desc), GFP_KERNEL); - if (!desc) + if (!desc) { + of_node_put(events_np); return -ENOMEM; + } info->num_events = count; of_id = of_match_device(exynos_ppmu_id_match, dev); if (of_id) info->ppmu_type = (enum exynos_ppmu_type)of_id->data; - else + else { + of_node_put(events_np); return -EINVAL; + } j = 0; for_each_child_of_node(events_np, node) { diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c index 72c67979ebe1..953cf9a1e9f7 100644 --- a/drivers/devfreq/governor_passive.c +++ b/drivers/devfreq/governor_passive.c @@ -1,4 +1,4 @@ - // SPDX-License-Identifier: GPL-2.0-only +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/devfreq/governor_passive.c * @@ -14,10 +14,9 @@ #include <linux/slab.h> #include <linux/device.h> #include <linux/devfreq.h> +#include <linux/units.h> #include "governor.h" -#define HZ_PER_KHZ 1000 - static struct devfreq_cpu_data * get_parent_cpu_data(struct devfreq_passive_data *p_data, struct cpufreq_policy *policy) @@ -34,6 +33,20 @@ get_parent_cpu_data(struct devfreq_passive_data *p_data, return NULL; } +static void delete_parent_cpu_data(struct devfreq_passive_data *p_data) +{ + struct devfreq_cpu_data *parent_cpu_data, *tmp; + + list_for_each_entry_safe(parent_cpu_data, tmp, &p_data->cpu_data_list, node) { + list_del(&parent_cpu_data->node); + + if (parent_cpu_data->opp_table) + dev_pm_opp_put_opp_table(parent_cpu_data->opp_table); + + kfree(parent_cpu_data); + } +} + static unsigned long get_target_freq_by_required_opp(struct device *p_dev, struct opp_table *p_opp_table, struct opp_table *opp_table, @@ -131,18 +144,18 @@ static int get_target_freq_with_devfreq(struct devfreq *devfreq, goto out; /* Use interpolation if required opps is not available */ - for (i = 0; i < parent_devfreq->profile->max_state; i++) - if (parent_devfreq->profile->freq_table[i] == *freq) + for (i = 0; i < parent_devfreq->max_state; i++) + if (parent_devfreq->freq_table[i] == *freq) break; - if (i == parent_devfreq->profile->max_state) + if (i == parent_devfreq->max_state) return -EINVAL; - if (i < devfreq->profile->max_state) { - child_freq = devfreq->profile->freq_table[i]; + if (i < devfreq->max_state) { + child_freq = devfreq->freq_table[i]; } else { - count = devfreq->profile->max_state; - child_freq = devfreq->profile->freq_table[count - 1]; + count = devfreq->max_state; + child_freq = devfreq->freq_table[count - 1]; } out: @@ -222,8 +235,7 @@ static int cpufreq_passive_unregister_notifier(struct devfreq *devfreq) { struct devfreq_passive_data *p_data = (struct devfreq_passive_data *)devfreq->data; - struct devfreq_cpu_data *parent_cpu_data; - int cpu, ret = 0; + int ret; if (p_data->nb.notifier_call) { ret = cpufreq_unregister_notifier(&p_data->nb, @@ -232,27 +244,9 @@ static int cpufreq_passive_unregister_notifier(struct devfreq *devfreq) return ret; } - for_each_possible_cpu(cpu) { - struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); - if (!policy) { - ret = -EINVAL; - continue; - } - - parent_cpu_data = get_parent_cpu_data(p_data, policy); - if (!parent_cpu_data) { - cpufreq_cpu_put(policy); - continue; - } + delete_parent_cpu_data(p_data); - list_del(&parent_cpu_data->node); - if (parent_cpu_data->opp_table) - dev_pm_opp_put_opp_table(parent_cpu_data->opp_table); - kfree(parent_cpu_data); - cpufreq_cpu_put(policy); - } - - return ret; + return 0; } static int cpufreq_passive_register_notifier(struct devfreq *devfreq) @@ -336,7 +330,6 @@ err_free_cpu_data: err_put_policy: cpufreq_cpu_put(policy); err: - WARN_ON(cpufreq_passive_unregister_notifier(devfreq)); return ret; } @@ -407,8 +400,7 @@ static int devfreq_passive_event_handler(struct devfreq *devfreq, if (!p_data) return -EINVAL; - if (!p_data->this) - p_data->this = devfreq; + p_data->this = devfreq; switch (event) { case DEVFREQ_GOV_START: diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index e7330684d3b8..9631f2fd2faf 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -32,8 +32,11 @@ static vm_fault_t udmabuf_vm_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct udmabuf *ubuf = vma->vm_private_data; + pgoff_t pgoff = vmf->pgoff; - vmf->page = ubuf->pages[vmf->pgoff]; + if (pgoff >= ubuf->pagecount) + return VM_FAULT_SIGBUS; + vmf->page = ubuf->pages[pgoff]; get_page(vmf->page); return 0; } diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index c9fe5903725a..9c89f7d53e99 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -1211,7 +1211,7 @@ static int ioctl_get_cycle_timer2(struct client *client, union ioctl_arg *arg) struct fw_cdev_get_cycle_timer2 *a = &arg->get_cycle_timer2; struct fw_card *card = client->device->card; struct timespec64 ts = {0, 0}; - u32 cycle_time; + u32 cycle_time = 0; int ret = 0; local_irq_disable(); diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index 90ed8fdaba75..adddd8c45d0c 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -372,8 +372,7 @@ static ssize_t rom_index_show(struct device *dev, struct fw_device *device = fw_device(dev->parent); struct fw_unit *unit = fw_unit(dev); - return snprintf(buf, PAGE_SIZE, "%d\n", - (int)(unit->directory - device->config_rom)); + return sysfs_emit(buf, "%td\n", unit->directory - device->config_rom); } static struct device_attribute fw_unit_attributes[] = { @@ -403,8 +402,7 @@ static ssize_t guid_show(struct device *dev, int ret; down_read(&fw_device_rwsem); - ret = snprintf(buf, PAGE_SIZE, "0x%08x%08x\n", - device->config_rom[3], device->config_rom[4]); + ret = sysfs_emit(buf, "0x%08x%08x\n", device->config_rom[3], device->config_rom[4]); up_read(&fw_device_rwsem); return ret; diff --git a/drivers/firmware/arm_scmi/base.c b/drivers/firmware/arm_scmi/base.c index 20fba7370f4e..a52f084a6a87 100644 --- a/drivers/firmware/arm_scmi/base.c +++ b/drivers/firmware/arm_scmi/base.c @@ -36,7 +36,7 @@ struct scmi_msg_resp_base_attributes { struct scmi_msg_resp_base_discover_agent { __le32 agent_id; - u8 name[SCMI_MAX_STR_SIZE]; + u8 name[SCMI_SHORT_NAME_MAX_SIZE]; }; @@ -119,7 +119,7 @@ scmi_base_vendor_id_get(const struct scmi_protocol_handle *ph, bool sub_vendor) ret = ph->xops->do_xfer(ph, t); if (!ret) - memcpy(vendor_id, t->rx.buf, size); + strscpy(vendor_id, t->rx.buf, size); ph->xops->xfer_put(ph, t); @@ -221,11 +221,17 @@ scmi_base_implementation_list_get(const struct scmi_protocol_handle *ph, calc_list_sz = (1 + (loop_num_ret - 1) / sizeof(u32)) * sizeof(u32); if (calc_list_sz != real_list_sz) { - dev_err(dev, - "Malformed reply - real_sz:%zd calc_sz:%u\n", - real_list_sz, calc_list_sz); - ret = -EPROTO; - break; + dev_warn(dev, + "Malformed reply - real_sz:%zd calc_sz:%u (loop_num_ret:%d)\n", + real_list_sz, calc_list_sz, loop_num_ret); + /* + * Bail out if the expected list size is bigger than the + * total payload size of the received reply. + */ + if (calc_list_sz > real_list_sz) { + ret = -EPROTO; + break; + } } for (loop = 0; loop < loop_num_ret; loop++) @@ -270,7 +276,7 @@ static int scmi_base_discover_agent_get(const struct scmi_protocol_handle *ph, ret = ph->xops->do_xfer(ph, t); if (!ret) { agent_info = t->rx.buf; - strlcpy(name, agent_info->name, SCMI_MAX_STR_SIZE); + strscpy(name, agent_info->name, SCMI_SHORT_NAME_MAX_SIZE); } ph->xops->xfer_put(ph, t); @@ -369,7 +375,7 @@ static int scmi_base_protocol_init(const struct scmi_protocol_handle *ph) int id, ret; u8 *prot_imp; u32 version; - char name[SCMI_MAX_STR_SIZE]; + char name[SCMI_SHORT_NAME_MAX_SIZE]; struct device *dev = ph->dev; struct scmi_revision_info *rev = scmi_revision_area_get(ph); diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 4d36a9a133d1..c7a83f6e38e5 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -153,7 +153,7 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, if (!ret) { u32 latency = 0; attributes = le32_to_cpu(attr->attributes); - strlcpy(clk->name, attr->name, SCMI_MAX_STR_SIZE); + strscpy(clk->name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); /* clock_enable_latency field is present only since SCMI v3.1 */ if (PROTOCOL_REV_MAJOR(version) >= 0x2) latency = le32_to_cpu(attr->clock_enable_latency); @@ -266,9 +266,7 @@ scmi_clock_describe_rates_get(const struct scmi_protocol_handle *ph, u32 clk_id, struct scmi_clock_info *clk) { int ret; - void *iter; - struct scmi_msg_clock_describe_rates *msg; struct scmi_iterator_ops ops = { .prepare_message = iter_clk_describe_prepare_message, .update_state = iter_clk_describe_update_state, @@ -281,7 +279,8 @@ scmi_clock_describe_rates_get(const struct scmi_protocol_handle *ph, u32 clk_id, iter = ph->hops->iter_response_init(ph, &ops, SCMI_MAX_NUM_RATES, CLOCK_DESCRIBE_RATES, - sizeof(*msg), &cpriv); + sizeof(struct scmi_msg_clock_describe_rates), + &cpriv); if (IS_ERR(iter)) return PTR_ERR(iter); diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 8f4051aca220..bbb0331801ff 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -252,7 +252,7 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, dom_info->mult_factor = (dom_info->sustained_freq_khz * 1000) / dom_info->sustained_perf_level; - strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE); + strscpy(dom_info->name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); } ph->xops->xfer_put(ph, t); @@ -332,7 +332,6 @@ scmi_perf_describe_levels_get(const struct scmi_protocol_handle *ph, u32 domain, { int ret; void *iter; - struct scmi_msg_perf_describe_levels *msg; struct scmi_iterator_ops ops = { .prepare_message = iter_perf_levels_prepare_message, .update_state = iter_perf_levels_update_state, @@ -345,7 +344,8 @@ scmi_perf_describe_levels_get(const struct scmi_protocol_handle *ph, u32 domain, iter = ph->hops->iter_response_init(ph, &ops, MAX_OPPS, PERF_DESCRIBE_LEVELS, - sizeof(*msg), &ppriv); + sizeof(struct scmi_msg_perf_describe_levels), + &ppriv); if (IS_ERR(iter)) return PTR_ERR(iter); diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c index 964882cc8747..356e83631664 100644 --- a/drivers/firmware/arm_scmi/power.c +++ b/drivers/firmware/arm_scmi/power.c @@ -122,7 +122,7 @@ scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph, dom_info->state_set_notify = SUPPORTS_STATE_SET_NOTIFY(flags); dom_info->state_set_async = SUPPORTS_STATE_SET_ASYNC(flags); dom_info->state_set_sync = SUPPORTS_STATE_SET_SYNC(flags); - strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE); + strscpy(dom_info->name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); } ph->xops->xfer_put(ph, t); diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index 73304af5ec4a..c679f3fb8718 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -24,8 +24,6 @@ #include <asm/unaligned.h> -#define SCMI_SHORT_NAME_MAX_SIZE 16 - #define PROTOCOL_REV_MINOR_MASK GENMASK(15, 0) #define PROTOCOL_REV_MAJOR_MASK GENMASK(31, 16) #define PROTOCOL_REV_MAJOR(x) ((u16)(FIELD_GET(PROTOCOL_REV_MAJOR_MASK, (x)))) diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c index a420a9102094..673f3eb498f4 100644 --- a/drivers/firmware/arm_scmi/reset.c +++ b/drivers/firmware/arm_scmi/reset.c @@ -116,7 +116,7 @@ scmi_reset_domain_attributes_get(const struct scmi_protocol_handle *ph, dom_info->latency_us = le32_to_cpu(attr->latency); if (dom_info->latency_us == U32_MAX) dom_info->latency_us = 0; - strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE); + strscpy(dom_info->name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); } ph->xops->xfer_put(ph, t); diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c index 21e0ce89b153..7288c6117838 100644 --- a/drivers/firmware/arm_scmi/sensors.c +++ b/drivers/firmware/arm_scmi/sensors.c @@ -338,7 +338,6 @@ static int scmi_sensor_update_intervals(const struct scmi_protocol_handle *ph, struct scmi_sensor_info *s) { void *iter; - struct scmi_msg_sensor_list_update_intervals *msg; struct scmi_iterator_ops ops = { .prepare_message = iter_intervals_prepare_message, .update_state = iter_intervals_update_state, @@ -351,22 +350,28 @@ static int scmi_sensor_update_intervals(const struct scmi_protocol_handle *ph, iter = ph->hops->iter_response_init(ph, &ops, s->intervals.count, SENSOR_LIST_UPDATE_INTERVALS, - sizeof(*msg), &upriv); + sizeof(struct scmi_msg_sensor_list_update_intervals), + &upriv); if (IS_ERR(iter)) return PTR_ERR(iter); return ph->hops->iter_response_run(iter); } +struct scmi_apriv { + bool any_axes_support_extended_names; + struct scmi_sensor_info *s; +}; + static void iter_axes_desc_prepare_message(void *message, const unsigned int desc_index, const void *priv) { struct scmi_msg_sensor_axis_description_get *msg = message; - const struct scmi_sensor_info *s = priv; + const struct scmi_apriv *apriv = priv; /* Set the number of sensors to be skipped/already read */ - msg->id = cpu_to_le32(s->id); + msg->id = cpu_to_le32(apriv->s->id); msg->axis_desc_index = cpu_to_le32(desc_index); } @@ -393,19 +398,21 @@ iter_axes_desc_process_response(const struct scmi_protocol_handle *ph, u32 attrh, attrl; struct scmi_sensor_axis_info *a; size_t dsize = SCMI_MSG_RESP_AXIS_DESCR_BASE_SZ; - struct scmi_sensor_info *s = priv; + struct scmi_apriv *apriv = priv; const struct scmi_axis_descriptor *adesc = st->priv; attrl = le32_to_cpu(adesc->attributes_low); + if (SUPPORTS_EXTENDED_AXIS_NAMES(attrl)) + apriv->any_axes_support_extended_names = true; - a = &s->axis[st->desc_index + st->loop_idx]; + a = &apriv->s->axis[st->desc_index + st->loop_idx]; a->id = le32_to_cpu(adesc->id); a->extended_attrs = SUPPORTS_EXTEND_ATTRS(attrl); attrh = le32_to_cpu(adesc->attributes_high); a->scale = S32_EXT(SENSOR_SCALE(attrh)); a->type = SENSOR_TYPE(attrh); - strscpy(a->name, adesc->name, SCMI_MAX_STR_SIZE); + strscpy(a->name, adesc->name, SCMI_SHORT_NAME_MAX_SIZE); if (a->extended_attrs) { unsigned int ares = le32_to_cpu(adesc->resolution); @@ -444,10 +451,19 @@ iter_axes_extended_name_process_response(const struct scmi_protocol_handle *ph, void *priv) { struct scmi_sensor_axis_info *a; - const struct scmi_sensor_info *s = priv; + const struct scmi_apriv *apriv = priv; struct scmi_sensor_axis_name_descriptor *adesc = st->priv; + u32 axis_id = le32_to_cpu(adesc->axis_id); - a = &s->axis[st->desc_index + st->loop_idx]; + if (axis_id >= st->max_resources) + return -EPROTO; + + /* + * Pick the corresponding descriptor based on the axis_id embedded + * in the reply since the list of axes supporting extended names + * can be a subset of all the axes. + */ + a = &apriv->s->axis[axis_id]; strscpy(a->name, adesc->name, SCMI_MAX_STR_SIZE); st->priv = ++adesc; @@ -458,21 +474,36 @@ static int scmi_sensor_axis_extended_names_get(const struct scmi_protocol_handle *ph, struct scmi_sensor_info *s) { + int ret; void *iter; - struct scmi_msg_sensor_axis_description_get *msg; struct scmi_iterator_ops ops = { .prepare_message = iter_axes_desc_prepare_message, .update_state = iter_axes_extended_name_update_state, .process_response = iter_axes_extended_name_process_response, }; + struct scmi_apriv apriv = { + .any_axes_support_extended_names = false, + .s = s, + }; iter = ph->hops->iter_response_init(ph, &ops, s->num_axis, SENSOR_AXIS_NAME_GET, - sizeof(*msg), s); + sizeof(struct scmi_msg_sensor_axis_description_get), + &apriv); if (IS_ERR(iter)) return PTR_ERR(iter); - return ph->hops->iter_response_run(iter); + /* + * Do not cause whole protocol initialization failure when failing to + * get extended names for axes. + */ + ret = ph->hops->iter_response_run(iter); + if (ret) + dev_warn(ph->dev, + "Failed to get axes extended names for %s (ret:%d).\n", + s->name, ret); + + return 0; } static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph, @@ -481,12 +512,15 @@ static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph, { int ret; void *iter; - struct scmi_msg_sensor_axis_description_get *msg; struct scmi_iterator_ops ops = { .prepare_message = iter_axes_desc_prepare_message, .update_state = iter_axes_desc_update_state, .process_response = iter_axes_desc_process_response, }; + struct scmi_apriv apriv = { + .any_axes_support_extended_names = false, + .s = s, + }; s->axis = devm_kcalloc(ph->dev, s->num_axis, sizeof(*s->axis), GFP_KERNEL); @@ -495,7 +529,8 @@ static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph, iter = ph->hops->iter_response_init(ph, &ops, s->num_axis, SENSOR_AXIS_DESCRIPTION_GET, - sizeof(*msg), s); + sizeof(struct scmi_msg_sensor_axis_description_get), + &apriv); if (IS_ERR(iter)) return PTR_ERR(iter); @@ -503,7 +538,8 @@ static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph, if (ret) return ret; - if (PROTOCOL_REV_MAJOR(version) >= 0x3) + if (PROTOCOL_REV_MAJOR(version) >= 0x3 && + apriv.any_axes_support_extended_names) ret = scmi_sensor_axis_extended_names_get(ph, s); return ret; @@ -598,7 +634,7 @@ iter_sens_descr_process_response(const struct scmi_protocol_handle *ph, SUPPORTS_AXIS(attrh) ? SENSOR_AXIS_NUMBER(attrh) : 0, SCMI_MAX_NUM_SENSOR_AXIS); - strscpy(s->name, sdesc->name, SCMI_MAX_STR_SIZE); + strscpy(s->name, sdesc->name, SCMI_SHORT_NAME_MAX_SIZE); /* * If supported overwrite short name with the extended diff --git a/drivers/firmware/arm_scmi/voltage.c b/drivers/firmware/arm_scmi/voltage.c index 9d195d8719ab..eaa8d944926a 100644 --- a/drivers/firmware/arm_scmi/voltage.c +++ b/drivers/firmware/arm_scmi/voltage.c @@ -180,7 +180,6 @@ static int scmi_voltage_levels_get(const struct scmi_protocol_handle *ph, { int ret; void *iter; - struct scmi_msg_cmd_describe_levels *msg; struct scmi_iterator_ops ops = { .prepare_message = iter_volt_levels_prepare_message, .update_state = iter_volt_levels_update_state, @@ -193,7 +192,8 @@ static int scmi_voltage_levels_get(const struct scmi_protocol_handle *ph, iter = ph->hops->iter_response_init(ph, &ops, v->num_levels, VOLTAGE_DESCRIBE_LEVELS, - sizeof(*msg), &vpriv); + sizeof(struct scmi_msg_cmd_describe_levels), + &vpriv); if (IS_ERR(iter)) return PTR_ERR(iter); @@ -225,15 +225,14 @@ static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph, /* Retrieve domain attributes at first ... */ put_unaligned_le32(dom, td->tx.buf); - ret = ph->xops->do_xfer(ph, td); /* Skip domain on comms error */ - if (ret) + if (ph->xops->do_xfer(ph, td)) continue; v = vinfo->domains + dom; v->id = dom; attributes = le32_to_cpu(resp_dom->attr); - strlcpy(v->name, resp_dom->name, SCMI_MAX_STR_SIZE); + strscpy(v->name, resp_dom->name, SCMI_SHORT_NAME_MAX_SIZE); /* * If supported overwrite short name with the extended one; @@ -249,12 +248,8 @@ static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph, v->async_level_set = true; } - ret = scmi_voltage_levels_get(ph, v); /* Skip invalid voltage descriptors */ - if (ret) - continue; - - ph->xops->reset_rx_to_maxsz(ph, td); + scmi_voltage_levels_get(ph, v); } ph->xops->xfer_put(ph, td); diff --git a/drivers/firmware/efi/sysfb_efi.c b/drivers/firmware/efi/sysfb_efi.c index 4c7c9dd7733f..7882d4b3f2be 100644 --- a/drivers/firmware/efi/sysfb_efi.c +++ b/drivers/firmware/efi/sysfb_efi.c @@ -26,8 +26,6 @@ #include <linux/sysfb.h> #include <video/vga.h> -#include <asm/efi.h> - enum { OVERRIDE_NONE = 0x0, OVERRIDE_BASE = 0x1, diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c index 2bfbb05f7d89..1f276f108cc9 100644 --- a/drivers/firmware/sysfb.c +++ b/drivers/firmware/sysfb.c @@ -34,21 +34,59 @@ #include <linux/screen_info.h> #include <linux/sysfb.h> +static struct platform_device *pd; +static DEFINE_MUTEX(disable_lock); +static bool disabled; + +static bool sysfb_unregister(void) +{ + if (IS_ERR_OR_NULL(pd)) + return false; + + platform_device_unregister(pd); + pd = NULL; + + return true; +} + +/** + * sysfb_disable() - disable the Generic System Framebuffers support + * + * This disables the registration of system framebuffer devices that match the + * generic drivers that make use of the system framebuffer set up by firmware. + * + * It also unregisters a device if this was already registered by sysfb_init(). + * + * Context: The function can sleep. A @disable_lock mutex is acquired to serialize + * against sysfb_init(), that registers a system framebuffer device. + */ +void sysfb_disable(void) +{ + mutex_lock(&disable_lock); + sysfb_unregister(); + disabled = true; + mutex_unlock(&disable_lock); +} +EXPORT_SYMBOL_GPL(sysfb_disable); + static __init int sysfb_init(void) { struct screen_info *si = &screen_info; struct simplefb_platform_data mode; - struct platform_device *pd; const char *name; bool compatible; - int ret; + int ret = 0; + + mutex_lock(&disable_lock); + if (disabled) + goto unlock_mutex; /* try to create a simple-framebuffer device */ compatible = sysfb_parse_mode(si, &mode); if (compatible) { - ret = sysfb_create_simplefb(si, &mode); - if (!ret) - return 0; + pd = sysfb_create_simplefb(si, &mode); + if (!IS_ERR(pd)) + goto unlock_mutex; } /* if the FB is incompatible, create a legacy framebuffer device */ @@ -60,8 +98,10 @@ static __init int sysfb_init(void) name = "platform-framebuffer"; pd = platform_device_alloc(name, 0); - if (!pd) - return -ENOMEM; + if (!pd) { + ret = -ENOMEM; + goto unlock_mutex; + } sysfb_apply_efi_quirks(pd); @@ -73,9 +113,11 @@ static __init int sysfb_init(void) if (ret) goto err; - return 0; + goto unlock_mutex; err: platform_device_put(pd); +unlock_mutex: + mutex_unlock(&disable_lock); return ret; } diff --git a/drivers/firmware/sysfb_simplefb.c b/drivers/firmware/sysfb_simplefb.c index bda8712bfd8c..a353e27f83f5 100644 --- a/drivers/firmware/sysfb_simplefb.c +++ b/drivers/firmware/sysfb_simplefb.c @@ -57,8 +57,8 @@ __init bool sysfb_parse_mode(const struct screen_info *si, return false; } -__init int sysfb_create_simplefb(const struct screen_info *si, - const struct simplefb_platform_data *mode) +__init struct platform_device *sysfb_create_simplefb(const struct screen_info *si, + const struct simplefb_platform_data *mode) { struct platform_device *pd; struct resource res; @@ -76,7 +76,7 @@ __init int sysfb_create_simplefb(const struct screen_info *si, base |= (u64)si->ext_lfb_base << 32; if (!base || (u64)(resource_size_t)base != base) { printk(KERN_DEBUG "sysfb: inaccessible VRAM base\n"); - return -EINVAL; + return ERR_PTR(-EINVAL); } /* @@ -93,7 +93,7 @@ __init int sysfb_create_simplefb(const struct screen_info *si, length = mode->height * mode->stride; if (length > size) { printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n"); - return -EINVAL; + return ERR_PTR(-EINVAL); } length = PAGE_ALIGN(length); @@ -104,11 +104,11 @@ __init int sysfb_create_simplefb(const struct screen_info *si, res.start = base; res.end = res.start + length - 1; if (res.end <= res.start) - return -EINVAL; + return ERR_PTR(-EINVAL); pd = platform_device_alloc("simple-framebuffer", 0); if (!pd) - return -ENOMEM; + return ERR_PTR(-ENOMEM); sysfb_apply_efi_quirks(pd); @@ -124,10 +124,10 @@ __init int sysfb_create_simplefb(const struct screen_info *si, if (ret) goto err_put_device; - return 0; + return pd; err_put_device: platform_device_put(pd); - return ret; + return ERR_PTR(ret); } diff --git a/drivers/gpio/gpio-grgpio.c b/drivers/gpio/gpio-grgpio.c index df563616f943..bea0e32c195d 100644 --- a/drivers/gpio/gpio-grgpio.c +++ b/drivers/gpio/gpio-grgpio.c @@ -434,25 +434,13 @@ static int grgpio_probe(struct platform_device *ofdev) static int grgpio_remove(struct platform_device *ofdev) { struct grgpio_priv *priv = platform_get_drvdata(ofdev); - int i; - int ret = 0; - - if (priv->domain) { - for (i = 0; i < GRGPIO_MAX_NGPIO; i++) { - if (priv->uirqs[i].refcnt != 0) { - ret = -EBUSY; - goto out; - } - } - } gpiochip_remove(&priv->gc); if (priv->domain) irq_domain_remove(priv->domain); -out: - return ret; + return 0; } static const struct of_device_id grgpio_match[] = { diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c index c5166cd47c9c..7f59e5d936c2 100644 --- a/drivers/gpio/gpio-mxs.c +++ b/drivers/gpio/gpio-mxs.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ // -// MXC GPIO support. (c) 2008 Daniel Mack <daniel@caiaq.de> +// MXS GPIO support. (c) 2008 Daniel Mack <daniel@caiaq.de> // Copyright 2008 Juergen Beisert, kernel@pengutronix.de // // Based on code from Freescale, diff --git a/drivers/gpio/gpio-realtek-otto.c b/drivers/gpio/gpio-realtek-otto.c index c52b2cb1acae..63dcf42f7c20 100644 --- a/drivers/gpio/gpio-realtek-otto.c +++ b/drivers/gpio/gpio-realtek-otto.c @@ -172,6 +172,8 @@ static void realtek_gpio_irq_unmask(struct irq_data *data) unsigned long flags; u16 m; + gpiochip_enable_irq(&ctrl->gc, line); + raw_spin_lock_irqsave(&ctrl->lock, flags); m = ctrl->intr_mask[port]; m |= realtek_gpio_imr_bits(port_pin, REALTEK_GPIO_IMR_LINE_MASK); @@ -195,6 +197,8 @@ static void realtek_gpio_irq_mask(struct irq_data *data) ctrl->intr_mask[port] = m; realtek_gpio_write_imr(ctrl, port, ctrl->intr_type[port], m); raw_spin_unlock_irqrestore(&ctrl->lock, flags); + + gpiochip_disable_irq(&ctrl->gc, line); } static int realtek_gpio_irq_set_type(struct irq_data *data, unsigned int flow_type) @@ -315,13 +319,15 @@ static int realtek_gpio_irq_init(struct gpio_chip *gc) return 0; } -static struct irq_chip realtek_gpio_irq_chip = { +static const struct irq_chip realtek_gpio_irq_chip = { .name = "realtek-otto-gpio", .irq_ack = realtek_gpio_irq_ack, .irq_mask = realtek_gpio_irq_mask, .irq_unmask = realtek_gpio_irq_unmask, .irq_set_type = realtek_gpio_irq_set_type, .irq_set_affinity = realtek_gpio_irq_set_affinity, + .flags = IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, }; static const struct of_device_id realtek_gpio_of_match[] = { @@ -404,7 +410,7 @@ static int realtek_gpio_probe(struct platform_device *pdev) irq = platform_get_irq_optional(pdev, 0); if (!(dev_flags & GPIO_INTERRUPTS_DISABLED) && irq > 0) { girq = &ctrl->gc.irq; - girq->chip = &realtek_gpio_irq_chip; + gpio_irq_chip_set_chip(girq, &realtek_gpio_irq_chip); girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_bad_irq; girq->parent_handler = realtek_gpio_irq_handler; diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c index 98cd715ccc33..8d09b619c166 100644 --- a/drivers/gpio/gpio-vr41xx.c +++ b/drivers/gpio/gpio-vr41xx.c @@ -217,8 +217,6 @@ static int giu_get_irq(unsigned int irq) printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n", maskl, pendl, maskh, pendh); - atomic_inc(&irq_err_count); - return -EINVAL; } diff --git a/drivers/gpio/gpio-winbond.c b/drivers/gpio/gpio-winbond.c index 7f8f5b02e31d..4b61d975cc0e 100644 --- a/drivers/gpio/gpio-winbond.c +++ b/drivers/gpio/gpio-winbond.c @@ -385,12 +385,13 @@ static int winbond_gpio_get(struct gpio_chip *gc, unsigned int offset) unsigned long *base = gpiochip_get_data(gc); const struct winbond_gpio_info *info; bool val; + int ret; winbond_gpio_get_info(&offset, &info); - val = winbond_sio_enter(*base); - if (val) - return val; + ret = winbond_sio_enter(*base); + if (ret) + return ret; winbond_sio_select_logical(*base, info->dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 1f8161cd507f..3b1c675aba34 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -714,7 +714,8 @@ int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct amdgpu_device *adev, { bool all_hub = false; - if (adev->family == AMDGPU_FAMILY_AI) + if (adev->family == AMDGPU_FAMILY_AI || + adev->family == AMDGPU_FAMILY_RV) all_hub = true; return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 625424f3082b..58df107e3beb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5164,7 +5164,7 @@ int amdgpu_device_gpu_recover_imp(struct amdgpu_device *adev, */ amdgpu_unregister_gpu_instance(tmp_adev); - drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, true); + drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, true); /* disable ras on ALL IPs */ if (!need_emergency_restart && diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index b4cf8717f554..89011bae7588 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -320,6 +320,7 @@ int amdgpu_irq_init(struct amdgpu_device *adev) if (!amdgpu_device_has_dc_support(adev)) { if (!adev->enable_virtual_display) /* Disable vblank IRQs aggressively for power-saving */ + /* XXX: can this be enabled for DC? */ adev_to_drm(adev)->vblank_disable_immediate = true; r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index be6f76a30ac6..3b4c19412625 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1798,18 +1798,26 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) DRM_INFO("amdgpu: %uM of VRAM memory ready\n", (unsigned) (adev->gmc.real_vram_size / (1024 * 1024))); - /* Compute GTT size, either bsaed on 3/4th the size of RAM size + /* Compute GTT size, either based on 1/2 the size of RAM size * or whatever the user passed on module init */ if (amdgpu_gtt_size == -1) { struct sysinfo si; si_meminfo(&si); - gtt_size = min(max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), - adev->gmc.mc_vram_size), - ((uint64_t)si.totalram * si.mem_unit * 3/4)); - } - else + /* Certain GL unit tests for large textures can cause problems + * with the OOM killer since there is no way to link this memory + * to a process. This was originally mitigated (but not necessarily + * eliminated) by limiting the GTT size. The problem is this limit + * is often too low for many modern games so just make the limit 1/2 + * of system memory which aligns with TTM. The OOM accounting needs + * to be addressed, but we shouldn't prevent common 3D applications + * from being usable just to potentially mitigate that corner case. + */ + gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), + (u64)si.totalram * si.mem_unit / 2); + } else { gtt_size = (uint64_t)amdgpu_gtt_size << 20; + } /* Initialize GTT memory pool */ r = amdgpu_gtt_mgr_init(adev, gtt_size); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 39b425d83bb1..9dd2e0601ea8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4259,9 +4259,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) } } - /* Disable vblank IRQs aggressively for power-saving. */ - adev_to_drm(adev)->vblank_disable_immediate = true; - /* loops over all connectors on the board */ for (i = 0; i < link_cnt; i++) { struct dc_link *link = NULL; diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c index fb4ae800e919..f4381725b210 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c @@ -550,7 +550,7 @@ static void dcn315_clk_mgr_helper_populate_bw_params( if (!bw_params->clk_table.entries[i].dtbclk_mhz) bw_params->clk_table.entries[i].dtbclk_mhz = def_max.dtbclk_mhz; } - ASSERT(bw_params->clk_table.entries[i].dcfclk_mhz); + ASSERT(bw_params->clk_table.entries[i-1].dcfclk_mhz); bw_params->vram_type = bios_info->memory_type; bw_params->num_channels = bios_info->ma_channel_number; if (!bw_params->num_channels) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index cbc47aecd00f..d8eee89e63ce 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -944,7 +944,7 @@ static void override_lane_settings(const struct link_training_settings *lt_setti return; - for (lane = 1; lane < LANE_COUNT_DP_MAX; lane++) { + for (lane = 0; lane < LANE_COUNT_DP_MAX; lane++) { if (lt_settings->voltage_swing) lane_settings[lane].VOLTAGE_SWING = *lt_settings->voltage_swing; if (lt_settings->pre_emphasis) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 7eff7811769d..5f2afa5b4814 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1766,29 +1766,9 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) break; } } - - /* - * TO-DO: So far the code logic below only addresses single eDP case. - * For dual eDP case, there are a few things that need to be - * implemented first: - * - * 1. Change the fastboot logic above, so eDP link[0 or 1]'s - * stream[0 or 1] will all be checked. - * - * 2. Change keep_edp_vdd_on to an array, and maintain keep_edp_vdd_on - * for each eDP. - * - * Once above 2 things are completed, we can then change the logic below - * correspondingly, so dual eDP case will be fully covered. - */ - - // We are trying to enable eDP, don't power down VDD if eDP stream is existing - if ((edp_stream_num == 1 && edp_streams[0] != NULL) || can_apply_edp_fast_boot) { + // We are trying to enable eDP, don't power down VDD + if (can_apply_edp_fast_boot) keep_edp_vdd_on = true; - DC_LOG_EVENT_LINK_TRAINING("Keep eDP Vdd on\n"); - } else { - DC_LOG_EVENT_LINK_TRAINING("No eDP stream enabled, turn eDP Vdd off\n"); - } } // Check seamless boot support diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c index 970b65efeac1..eaa7032f0f1a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c @@ -212,6 +212,9 @@ static void dpp2_cnv_setup ( break; } + /* Set default color space based on format if none is given. */ + color_space = input_color_space ? input_color_space : color_space; + if (is_2bit == 1 && alpha_2bit_lut != NULL) { REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0); REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1); diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c index 8b6505b7dca8..f50ab961bc17 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c @@ -153,6 +153,9 @@ static void dpp201_cnv_setup( break; } + /* Set default color space based on format if none is given. */ + color_space = input_color_space ? input_color_space : color_space; + if (is_2bit == 1 && alpha_2bit_lut != NULL) { REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0); REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1); diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c index ab3918c0a15b..0dcc07531643 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c @@ -294,6 +294,9 @@ static void dpp3_cnv_setup ( break; } + /* Set default color space based on format if none is given. */ + color_space = input_color_space ? input_color_space : color_space; + if (is_2bit == 1 && alpha_2bit_lut != NULL) { REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0); REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1); diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c index 4e853acfd1e8..df87ba99a87c 100644 --- a/drivers/gpu/drm/drm_panel_orientation_quirks.c +++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c @@ -152,6 +152,12 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "AYA NEO 2021"), }, .driver_data = (void *)&lcd800x1280_rightside_up, + }, { /* AYA NEO NEXT */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"), + DMI_MATCH(DMI_BOARD_NAME, "NEXT"), + }, + .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* Chuwi HiBook (CWI514) */ .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index e4a79c11fd25..ff67899522cf 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -388,13 +388,23 @@ static int dg2_max_source_rate(struct intel_dp *intel_dp) return intel_dp_is_edp(intel_dp) ? 810000 : 1350000; } +static bool is_low_voltage_sku(struct drm_i915_private *i915, enum phy phy) +{ + u32 voltage; + + voltage = intel_de_read(i915, ICL_PORT_COMP_DW3(phy)) & VOLTAGE_INFO_MASK; + + return voltage == VOLTAGE_INFO_0_85V; +} + static int icl_max_source_rate(struct intel_dp *intel_dp) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); - if (intel_phy_is_combo(dev_priv, phy) && !intel_dp_is_edp(intel_dp)) + if (intel_phy_is_combo(dev_priv, phy) && + (is_low_voltage_sku(dev_priv, phy) || !intel_dp_is_edp(intel_dp))) return 540000; return 810000; @@ -402,7 +412,23 @@ static int icl_max_source_rate(struct intel_dp *intel_dp) static int ehl_max_source_rate(struct intel_dp *intel_dp) { - if (intel_dp_is_edp(intel_dp)) + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); + + if (intel_dp_is_edp(intel_dp) || is_low_voltage_sku(dev_priv, phy)) + return 540000; + + return 810000; +} + +static int dg1_max_source_rate(struct intel_dp *intel_dp) +{ + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(i915, dig_port->base.port); + + if (intel_phy_is_combo(i915, phy) && is_low_voltage_sku(i915, phy)) return 540000; return 810000; @@ -445,7 +471,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) max_rate = dg2_max_source_rate(intel_dp); else if (IS_ALDERLAKE_P(dev_priv) || IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) - max_rate = 810000; + max_rate = dg1_max_source_rate(intel_dp); else if (IS_JSL_EHL(dev_priv)) max_rate = ehl_max_source_rate(intel_dp); else diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 22f55574a35c..88c2f38aa870 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -2396,7 +2396,7 @@ static void icl_wrpll_params_populate(struct skl_wrpll_params *params, } /* - * Display WA #22010492432: ehl, tgl, adl-p + * Display WA #22010492432: ehl, tgl, adl-s, adl-p * Program half of the nominal DCO divider fraction value. */ static bool @@ -2404,7 +2404,7 @@ ehl_combo_pll_div_frac_wa_needed(struct drm_i915_private *i915) { return ((IS_PLATFORM(i915, INTEL_ELKHARTLAKE) && IS_JSL_EHL_DISPLAY_STEP(i915, STEP_B0, STEP_FOREVER)) || - IS_TIGERLAKE(i915) || IS_ALDERLAKE_P(i915)) && + IS_TIGERLAKE(i915) || IS_ALDERLAKE_S(i915) || IS_ALDERLAKE_P(i915)) && i915->dpll.ref_clks.nssc == 38400; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index ab4c5ab28e4d..321af109d484 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -933,8 +933,9 @@ static int set_proto_ctx_param(struct drm_i915_file_private *fpriv, case I915_CONTEXT_PARAM_PERSISTENCE: if (args->size) ret = -EINVAL; - ret = proto_context_set_persistence(fpriv->dev_priv, pc, - args->value); + else + ret = proto_context_set_persistence(fpriv->dev_priv, pc, + args->value); break; case I915_CONTEXT_PARAM_PROTECTED_CONTENT: diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c index 3e5d6057b3ef..1674b0c5802b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c @@ -35,12 +35,12 @@ bool i915_gem_cpu_write_needs_clflush(struct drm_i915_gem_object *obj) if (obj->cache_dirty) return false; - if (!(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE)) - return true; - if (IS_DGFX(i915)) return false; + if (!(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE)) + return true; + /* Currently in use by HW (display engine)? Keep flushed. */ return i915_gem_object_is_framebuffer(obj); } diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 90b0ce5051af..1041b5340465 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -530,6 +530,7 @@ mask_err: static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); + struct pci_dev *root_pdev; int ret; if (i915_inject_probe_failure(dev_priv)) @@ -641,6 +642,15 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) intel_bw_init_hw(dev_priv); + /* + * FIXME: Temporary hammer to avoid freezing the machine on our DGFX + * This should be totally removed when we handle the pci states properly + * on runtime PM and on s2idle cases. + */ + root_pdev = pcie_find_root_port(pdev); + if (root_pdev) + pci_d3cold_disable(root_pdev); + return 0; err_msi: @@ -664,11 +674,16 @@ err_perf: static void i915_driver_hw_remove(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); + struct pci_dev *root_pdev; i915_perf_fini(dev_priv); if (pdev->msi_enabled) pci_disable_msi(pdev); + + root_pdev = pcie_find_root_port(pdev); + if (root_pdev) + pci_d3cold_enable(root_pdev); } /** @@ -1193,14 +1208,6 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) goto out; } - /* - * FIXME: Temporary hammer to avoid freezing the machine on our DGFX - * This should be totally removed when we handle the pci states properly - * on runtime PM and on s2idle cases. - */ - if (suspend_to_idle(dev_priv)) - pci_d3cold_disable(pdev); - pci_disable_device(pdev); /* * During hibernation on some platforms the BIOS may try to access @@ -1365,8 +1372,6 @@ static int i915_drm_resume_early(struct drm_device *dev) pci_set_master(pdev); - pci_d3cold_enable(pdev); - disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); ret = vlv_resume_prepare(dev_priv, false); @@ -1543,7 +1548,6 @@ static int intel_runtime_suspend(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); int ret; if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) @@ -1589,12 +1593,6 @@ static int intel_runtime_suspend(struct device *kdev) drm_err(&dev_priv->drm, "Unclaimed access detected prior to suspending\n"); - /* - * FIXME: Temporary hammer to avoid freezing the machine on our DGFX - * This should be totally removed when we handle the pci states properly - * on runtime PM and on s2idle cases. - */ - pci_d3cold_disable(pdev); rpm->suspended = true; /* @@ -1633,7 +1631,6 @@ static int intel_runtime_resume(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); int ret; if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) @@ -1646,7 +1643,6 @@ static int intel_runtime_resume(struct device *kdev) intel_opregion_notify_adapter(dev_priv, PCI_D0); rpm->suspended = false; - pci_d3cold_enable(pdev); if (intel_uncore_unclaimed_mmio(&dev_priv->uncore)) drm_dbg(&dev_priv->drm, "Unclaimed access during suspend, bios?\n"); diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c index 18d38cb59923..b09d1d386574 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.c +++ b/drivers/gpu/drm/i915/i915_drm_client.c @@ -116,8 +116,9 @@ show_client_class(struct seq_file *m, total += busy_add(ctx, class); rcu_read_unlock(); - seq_printf(m, "drm-engine-%s:\t%llu ns\n", - uabi_class_names[class], total); + if (capacity) + seq_printf(m, "drm-engine-%s:\t%llu ns\n", + uabi_class_names[class], total); if (capacity > 1) seq_printf(m, "drm-engine-capacity-%s:\t%u\n", diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 4e665c806a14..efe9840e28fa 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -498,10 +498,15 @@ int adreno_hw_init(struct msm_gpu *gpu) ring->cur = ring->start; ring->next = ring->start; - - /* reset completed fence seqno: */ - ring->memptrs->fence = ring->fctx->completed_fence; ring->memptrs->rptr = 0; + + /* Detect and clean up an impossible fence, ie. if GPU managed + * to scribble something invalid, we don't want that to confuse + * us into mistakingly believing that submits have completed. + */ + if (fence_before(ring->fctx->last_fence, ring->memptrs->fence)) { + ring->memptrs->fence = ring->fctx->last_fence; + } } return 0; @@ -1057,7 +1062,8 @@ void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) for (i = 0; i < ARRAY_SIZE(adreno_gpu->info->fw); i++) release_firmware(adreno_gpu->fw[i]); - pm_runtime_disable(&priv->gpu_pdev->dev); + if (pm_runtime_enabled(&priv->gpu_pdev->dev)) + pm_runtime_disable(&priv->gpu_pdev->dev); msm_gpu_cleanup(&adreno_gpu->base); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 3a462e327e0e..a1b8c4592943 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1251,12 +1251,13 @@ static void dpu_encoder_vblank_callback(struct drm_encoder *drm_enc, DPU_ATRACE_BEGIN("encoder_vblank_callback"); dpu_enc = to_dpu_encoder_virt(drm_enc); + atomic_inc(&phy_enc->vsync_cnt); + spin_lock_irqsave(&dpu_enc->enc_spinlock, lock_flags); if (dpu_enc->crtc) dpu_crtc_vblank_callback(dpu_enc->crtc); spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); - atomic_inc(&phy_enc->vsync_cnt); DPU_ATRACE_END("encoder_vblank_callback"); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c index 59da348ff339..0ec809ab06e7 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c @@ -252,11 +252,6 @@ static int dpu_encoder_phys_wb_atomic_check( DPU_DEBUG("[atomic_check:%d, \"%s\",%d,%d]\n", phys_enc->wb_idx, mode->name, mode->hdisplay, mode->vdisplay); - if (!conn_state->writeback_job || !conn_state->writeback_job->fb) - return 0; - - fb = conn_state->writeback_job->fb; - if (!conn_state || !conn_state->connector) { DPU_ERROR("invalid connector state\n"); return -EINVAL; @@ -267,6 +262,11 @@ static int dpu_encoder_phys_wb_atomic_check( return -EINVAL; } + if (!conn_state->writeback_job || !conn_state->writeback_job->fb) + return 0; + + fb = conn_state->writeback_job->fb; + DPU_DEBUG("[fb_id:%u][fb:%u,%u]\n", fb->base.id, fb->width, fb->height); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c index 399115e4e217..2fd787079f9b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c @@ -11,7 +11,14 @@ static int dpu_wb_conn_get_modes(struct drm_connector *connector) struct msm_drm_private *priv = dev->dev_private; struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms); - return drm_add_modes_noedid(connector, dpu_kms->catalog->caps->max_linewidth, + /* + * We should ideally be limiting the modes only to the maxlinewidth but + * on some chipsets this will allow even 4k modes to be added which will + * fail the per SSPP bandwidth checks. So, till we have dual-SSPP support + * and source split support added lets limit the modes based on max_mixer_width + * as 4K modes can then be supported. + */ + return drm_add_modes_noedid(connector, dpu_kms->catalog->caps->max_mixer_width, dev->mode_config.max_height); } diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c index fb48c8c19ec3..17cb1fc78379 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c @@ -216,6 +216,7 @@ static int mdp4_modeset_init_intf(struct mdp4_kms *mdp4_kms, encoder = mdp4_lcdc_encoder_init(dev, panel_node); if (IS_ERR(encoder)) { DRM_DEV_ERROR(dev->dev, "failed to construct LCDC encoder\n"); + of_node_put(panel_node); return PTR_ERR(encoder); } @@ -225,6 +226,7 @@ static int mdp4_modeset_init_intf(struct mdp4_kms *mdp4_kms, connector = mdp4_lvds_connector_init(dev, panel_node, encoder); if (IS_ERR(connector)) { DRM_DEV_ERROR(dev->dev, "failed to initialize LVDS connector\n"); + of_node_put(panel_node); return PTR_ERR(connector); } diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index b7f5b8d3bbd6..703249384e7c 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1534,6 +1534,8 @@ end: return ret; } +static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl); + static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl) { int ret = 0; @@ -1557,7 +1559,7 @@ static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl) ret = dp_ctrl_on_link(&ctrl->dp_ctrl); if (!ret) - ret = dp_ctrl_on_stream(&ctrl->dp_ctrl); + ret = dp_ctrl_on_stream_phy_test_report(&ctrl->dp_ctrl); else DRM_ERROR("failed to enable DP link controller\n"); @@ -1813,7 +1815,27 @@ static int dp_ctrl_link_retrain(struct dp_ctrl_private *ctrl) return dp_ctrl_setup_main_link(ctrl, &training_step); } -int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl) +static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl) +{ + int ret; + struct dp_ctrl_private *ctrl; + + ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + + ctrl->dp_ctrl.pixel_rate = ctrl->panel->dp_mode.drm_mode.clock; + + ret = dp_ctrl_enable_stream_clocks(ctrl); + if (ret) { + DRM_ERROR("Failed to start pixel clocks. ret=%d\n", ret); + return ret; + } + + dp_ctrl_send_phy_test_pattern(ctrl); + + return 0; +} + +int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train) { int ret = 0; bool mainlink_ready = false; @@ -1849,12 +1871,7 @@ int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl) goto end; } - if (ctrl->link->sink_request & DP_TEST_LINK_PHY_TEST_PATTERN) { - dp_ctrl_send_phy_test_pattern(ctrl); - return 0; - } - - if (!dp_ctrl_channel_eq_ok(ctrl)) + if (force_link_train || !dp_ctrl_channel_eq_ok(ctrl)) dp_ctrl_link_retrain(ctrl); /* stop txing train pattern to end link training */ diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index 0745fde01b45..b563e2e3bfe5 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -21,7 +21,7 @@ struct dp_ctrl { }; int dp_ctrl_on_link(struct dp_ctrl *dp_ctrl); -int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl); +int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train); int dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl); int dp_ctrl_off_link(struct dp_ctrl *dp_ctrl); int dp_ctrl_off(struct dp_ctrl *dp_ctrl); diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index bce77935394f..239c8e3f2fbd 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -309,12 +309,15 @@ static void dp_display_unbind(struct device *dev, struct device *master, struct msm_drm_private *priv = dev_get_drvdata(master); /* disable all HPD interrupts */ - dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, false); + if (dp->core_initialized) + dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, false); kthread_stop(dp->ev_tsk); dp_power_client_deinit(dp->power); dp_aux_unregister(dp->aux); + dp->drm_dev = NULL; + dp->aux->drm_dev = NULL; priv->dp[dp->id] = NULL; } @@ -872,7 +875,7 @@ static int dp_display_enable(struct dp_display_private *dp, u32 data) return 0; } - rc = dp_ctrl_on_stream(dp->ctrl); + rc = dp_ctrl_on_stream(dp->ctrl, data); if (!rc) dp_display->power_on = true; @@ -1659,6 +1662,7 @@ void dp_bridge_enable(struct drm_bridge *drm_bridge) int rc = 0; struct dp_display_private *dp_display; u32 state; + bool force_link_train = false; dp_display = container_of(dp, struct dp_display_private, dp_display); if (!dp_display->dp_mode.drm_mode.clock) { @@ -1693,10 +1697,12 @@ void dp_bridge_enable(struct drm_bridge *drm_bridge) state = dp_display->hpd_state; - if (state == ST_DISPLAY_OFF) + if (state == ST_DISPLAY_OFF) { dp_display_host_phy_init(dp_display); + force_link_train = true; + } - dp_display_enable(dp_display, 0); + dp_display_enable(dp_display, force_link_train); rc = dp_display_post_enable(dp); if (rc) { @@ -1705,10 +1711,6 @@ void dp_bridge_enable(struct drm_bridge *drm_bridge) dp_display_unprepare(dp); } - /* manual kick off plug event to train link */ - if (state == ST_DISPLAY_OFF) - dp_add_event(dp_display, EV_IRQ_HPD_INT, 0, 0); - /* completed connection */ dp_display->hpd_state = ST_CONNECTED; diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 44485363f37a..14ab9a627d8b 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -964,7 +964,7 @@ static const struct drm_driver msm_driver = { .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_import_sg_table = msm_gem_prime_import_sg_table, - .gem_prime_mmap = drm_gem_prime_mmap, + .gem_prime_mmap = msm_gem_prime_mmap, #ifdef CONFIG_DEBUG_FS .debugfs_init = msm_debugfs_init, #endif diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 08388d742d65..099a67d10c3a 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -246,6 +246,7 @@ unsigned long msm_gem_shrinker_shrink(struct drm_device *dev, unsigned long nr_t void msm_gem_shrinker_init(struct drm_device *dev); void msm_gem_shrinker_cleanup(struct drm_device *dev); +int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); int msm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); void msm_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map); diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c index 3df255402a33..38e3323bc232 100644 --- a/drivers/gpu/drm/msm/msm_fence.c +++ b/drivers/gpu/drm/msm/msm_fence.c @@ -46,12 +46,14 @@ bool msm_fence_completed(struct msm_fence_context *fctx, uint32_t fence) (int32_t)(*fctx->fenceptr - fence) >= 0; } -/* called from workqueue */ +/* called from irq handler and workqueue (in recover path) */ void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence) { - spin_lock(&fctx->spinlock); + unsigned long flags; + + spin_lock_irqsave(&fctx->spinlock, flags); fctx->completed_fence = max(fence, fctx->completed_fence); - spin_unlock(&fctx->spinlock); + spin_unlock_irqrestore(&fctx->spinlock, flags); } struct msm_fence { diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 97d5b4d8b9b0..7f92231785a0 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -439,14 +439,12 @@ int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma) return ret; } -void msm_gem_unpin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma) +void msm_gem_unpin_locked(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); GEM_WARN_ON(!msm_gem_is_locked(obj)); - msm_gem_unpin_vma(vma); - msm_obj->pin_count--; GEM_WARN_ON(msm_obj->pin_count < 0); @@ -586,7 +584,8 @@ void msm_gem_unpin_iova(struct drm_gem_object *obj, msm_gem_lock(obj); vma = lookup_vma(obj, aspace); if (!GEM_WARN_ON(!vma)) { - msm_gem_unpin_vma_locked(obj, vma); + msm_gem_unpin_vma(vma); + msm_gem_unpin_locked(obj); } msm_gem_unlock(obj); } diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index c75d3b879a53..6b7d5bb3b575 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -145,7 +145,7 @@ struct msm_gem_object { uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma); -void msm_gem_unpin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma); +void msm_gem_unpin_locked(struct drm_gem_object *obj); struct msm_gem_vma *msm_gem_get_vma_locked(struct drm_gem_object *obj, struct msm_gem_address_space *aspace); int msm_gem_get_iova(struct drm_gem_object *obj, @@ -377,10 +377,11 @@ struct msm_gem_submit { } *cmd; /* array of size nr_cmds */ struct { /* make sure these don't conflict w/ MSM_SUBMIT_BO_x */ -#define BO_VALID 0x8000 /* is current addr in cmdstream correct/valid? */ -#define BO_LOCKED 0x4000 /* obj lock is held */ -#define BO_ACTIVE 0x2000 /* active refcnt is held */ -#define BO_PINNED 0x1000 /* obj is pinned and on active list */ +#define BO_VALID 0x8000 /* is current addr in cmdstream correct/valid? */ +#define BO_LOCKED 0x4000 /* obj lock is held */ +#define BO_ACTIVE 0x2000 /* active refcnt is held */ +#define BO_OBJ_PINNED 0x1000 /* obj (pages) is pinned and on active list */ +#define BO_VMA_PINNED 0x0800 /* vma (virtual address) is pinned */ uint32_t flags; union { struct msm_gem_object *obj; diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index 94ab705e9b8a..dcc8a573bc76 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -11,6 +11,21 @@ #include "msm_drv.h" #include "msm_gem.h" +int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) +{ + int ret; + + /* Ensure the mmap offset is initialized. We lazily initialize it, + * so if it has not been first mmap'd directly as a GEM object, the + * mmap offset will not be already initialized. + */ + ret = drm_gem_create_mmap_offset(obj); + if (ret) + return ret; + + return drm_gem_prime_mmap(obj, vma); +} + struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 80975229b4de..c9e4aeb14f4a 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -232,8 +232,11 @@ static void submit_cleanup_bo(struct msm_gem_submit *submit, int i, */ submit->bos[i].flags &= ~cleanup_flags; - if (flags & BO_PINNED) - msm_gem_unpin_vma_locked(obj, submit->bos[i].vma); + if (flags & BO_VMA_PINNED) + msm_gem_unpin_vma(submit->bos[i].vma); + + if (flags & BO_OBJ_PINNED) + msm_gem_unpin_locked(obj); if (flags & BO_ACTIVE) msm_gem_active_put(obj); @@ -244,7 +247,9 @@ static void submit_cleanup_bo(struct msm_gem_submit *submit, int i, static void submit_unlock_unpin_bo(struct msm_gem_submit *submit, int i) { - submit_cleanup_bo(submit, i, BO_PINNED | BO_ACTIVE | BO_LOCKED); + unsigned cleanup_flags = BO_VMA_PINNED | BO_OBJ_PINNED | + BO_ACTIVE | BO_LOCKED; + submit_cleanup_bo(submit, i, cleanup_flags); if (!(submit->bos[i].flags & BO_VALID)) submit->bos[i].iova = 0; @@ -375,7 +380,7 @@ static int submit_pin_objects(struct msm_gem_submit *submit) if (ret) break; - submit->bos[i].flags |= BO_PINNED; + submit->bos[i].flags |= BO_OBJ_PINNED | BO_VMA_PINNED; submit->bos[i].vma = vma; if (vma->iova == submit->bos[i].iova) { @@ -511,7 +516,7 @@ static void submit_cleanup(struct msm_gem_submit *submit, bool error) unsigned i; if (error) - cleanup_flags |= BO_PINNED | BO_ACTIVE; + cleanup_flags |= BO_VMA_PINNED | BO_OBJ_PINNED | BO_ACTIVE; for (i = 0; i < submit->nr_bos; i++) { struct msm_gem_object *msm_obj = submit->bos[i].obj; @@ -529,7 +534,8 @@ void msm_submit_retire(struct msm_gem_submit *submit) struct drm_gem_object *obj = &submit->bos[i].obj->base; msm_gem_lock(obj); - submit_cleanup_bo(submit, i, BO_PINNED | BO_ACTIVE); + /* Note, VMA already fence-unpinned before submit: */ + submit_cleanup_bo(submit, i, BO_OBJ_PINNED | BO_ACTIVE); msm_gem_unlock(obj); drm_gem_object_put(obj); } @@ -922,7 +928,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, INT_MAX, GFP_KERNEL); } if (submit->fence_id < 0) { - ret = submit->fence_id = 0; + ret = submit->fence_id; submit->fence_id = 0; } diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c index 3c1dc9241831..c471aebcdbab 100644 --- a/drivers/gpu/drm/msm/msm_gem_vma.c +++ b/drivers/gpu/drm/msm/msm_gem_vma.c @@ -62,8 +62,7 @@ void msm_gem_purge_vma(struct msm_gem_address_space *aspace, unsigned size = vma->node.size; /* Print a message if we try to purge a vma in use */ - if (GEM_WARN_ON(msm_gem_vma_inuse(vma))) - return; + GEM_WARN_ON(msm_gem_vma_inuse(vma)); /* Don't do anything if the memory isn't mapped */ if (!vma->mapped) @@ -128,8 +127,7 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace, void msm_gem_close_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma) { - if (GEM_WARN_ON(msm_gem_vma_inuse(vma) || vma->mapped)) - return; + GEM_WARN_ON(msm_gem_vma_inuse(vma) || vma->mapped); spin_lock(&aspace->lock); if (vma->iova) diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index eb8a6663f309..c8cd9bfa3eeb 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -164,24 +164,6 @@ int msm_gpu_hw_init(struct msm_gpu *gpu) return ret; } -static void update_fences(struct msm_gpu *gpu, struct msm_ringbuffer *ring, - uint32_t fence) -{ - struct msm_gem_submit *submit; - unsigned long flags; - - spin_lock_irqsave(&ring->submit_lock, flags); - list_for_each_entry(submit, &ring->submits, node) { - if (fence_after(submit->seqno, fence)) - break; - - msm_update_fence(submit->ring->fctx, - submit->hw_fence->seqno); - dma_fence_signal(submit->hw_fence); - } - spin_unlock_irqrestore(&ring->submit_lock, flags); -} - #ifdef CONFIG_DEV_COREDUMP static ssize_t msm_gpu_devcoredump_read(char *buffer, loff_t offset, size_t count, void *data, size_t datalen) @@ -436,9 +418,9 @@ static void recover_worker(struct kthread_work *work) * one more to clear the faulting submit */ if (ring == cur_ring) - fence++; + ring->memptrs->fence = ++fence; - update_fences(gpu, ring, fence); + msm_update_fence(ring->fctx, fence); } if (msm_gpu_active(gpu)) { @@ -672,7 +654,6 @@ static void retire_submit(struct msm_gpu *gpu, struct msm_ringbuffer *ring, msm_submit_retire(submit); pm_runtime_mark_last_busy(&gpu->pdev->dev); - pm_runtime_put_autosuspend(&gpu->pdev->dev); spin_lock_irqsave(&ring->submit_lock, flags); list_del(&submit->node); @@ -686,6 +667,8 @@ static void retire_submit(struct msm_gpu *gpu, struct msm_ringbuffer *ring, msm_devfreq_idle(gpu); mutex_unlock(&gpu->active_lock); + pm_runtime_put_autosuspend(&gpu->pdev->dev); + msm_gem_submit_put(submit); } @@ -735,7 +718,7 @@ void msm_gpu_retire(struct msm_gpu *gpu) int i; for (i = 0; i < gpu->nr_rings; i++) - update_fences(gpu, gpu->rb[i], gpu->rb[i]->memptrs->fence); + msm_update_fence(gpu->rb[i]->fctx, gpu->rb[i]->memptrs->fence); kthread_queue_work(gpu->worker, &gpu->retire_work); update_sw_cntrs(gpu); diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index bcaddbba564d..a54ed354578b 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -58,7 +58,7 @@ static int msm_iommu_pagetable_map(struct msm_mmu *mmu, u64 iova, u64 addr = iova; unsigned int i; - for_each_sg(sgt->sgl, sg, sgt->nents, i) { + for_each_sgtable_sg(sgt, sg, i) { size_t size = sg->length; phys_addr_t phys = sg_phys(sg); diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c index 43066320ff8c..56eecb4a72dc 100644 --- a/drivers/gpu/drm/msm/msm_ringbuffer.c +++ b/drivers/gpu/drm/msm/msm_ringbuffer.c @@ -25,7 +25,7 @@ static struct dma_fence *msm_job_run(struct drm_sched_job *job) msm_gem_lock(obj); msm_gem_unpin_vma_fenced(submit->bos[i].vma, fctx); - submit->bos[i].flags &= ~BO_PINNED; + submit->bos[i].flags &= ~BO_VMA_PINNED; msm_gem_unlock(obj); } diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index 275f7e4a03ae..6eb1aabdb161 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -7,6 +7,7 @@ */ #include <linux/component.h> +#include <linux/dma-mapping.h> #include <linux/kfifo.h> #include <linux/module.h> #include <linux/of_graph.h> @@ -73,7 +74,6 @@ static int sun4i_drv_bind(struct device *dev) goto free_drm; } - dev_set_drvdata(dev, drm); drm->dev_private = drv; INIT_LIST_HEAD(&drv->frontend_list); INIT_LIST_HEAD(&drv->engine_list); @@ -114,6 +114,8 @@ static int sun4i_drv_bind(struct device *dev) drm_fbdev_generic_setup(drm, 32); + dev_set_drvdata(dev, drm); + return 0; finish_poll: @@ -130,6 +132,7 @@ static void sun4i_drv_unbind(struct device *dev) { struct drm_device *drm = dev_get_drvdata(dev); + dev_set_drvdata(dev, NULL); drm_dev_unregister(drm); drm_kms_helper_poll_fini(drm); drm_atomic_helper_shutdown(drm); @@ -367,6 +370,13 @@ static int sun4i_drv_probe(struct platform_device *pdev) INIT_KFIFO(list.fifo); + /* + * DE2 and DE3 cores actually supports 40-bit addresses, but + * driver does not. + */ + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + dma_set_max_seg_size(&pdev->dev, UINT_MAX); + for (i = 0;; i++) { struct device_node *pipeline = of_parse_phandle(np, "allwinner,pipelines", diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c index 6d43080791a0..85fb9e800ddf 100644 --- a/drivers/gpu/drm/sun4i/sun4i_layer.c +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c @@ -117,7 +117,7 @@ static bool sun4i_layer_format_mod_supported(struct drm_plane *plane, struct sun4i_layer *layer = plane_to_sun4i_layer(plane); if (IS_ERR_OR_NULL(layer->backend->frontend)) - sun4i_backend_format_is_supported(format, modifier); + return sun4i_backend_format_is_supported(format, modifier); return sun4i_backend_format_is_supported(format, modifier) || sun4i_frontend_format_is_supported(format, modifier); diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index a8d75fd7e9f4..477cb6985b4d 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -93,34 +93,10 @@ crtcs_exit: return crtcs; } -static int sun8i_dw_hdmi_find_connector_pdev(struct device *dev, - struct platform_device **pdev_out) -{ - struct platform_device *pdev; - struct device_node *remote; - - remote = of_graph_get_remote_node(dev->of_node, 1, -1); - if (!remote) - return -ENODEV; - - if (!of_device_is_compatible(remote, "hdmi-connector")) { - of_node_put(remote); - return -ENODEV; - } - - pdev = of_find_device_by_node(remote); - of_node_put(remote); - if (!pdev) - return -ENODEV; - - *pdev_out = pdev; - return 0; -} - static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, void *data) { - struct platform_device *pdev = to_platform_device(dev), *connector_pdev; + struct platform_device *pdev = to_platform_device(dev); struct dw_hdmi_plat_data *plat_data; struct drm_device *drm = data; struct device_node *phy_node; @@ -167,30 +143,16 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, return dev_err_probe(dev, PTR_ERR(hdmi->regulator), "Couldn't get regulator\n"); - ret = sun8i_dw_hdmi_find_connector_pdev(dev, &connector_pdev); - if (!ret) { - hdmi->ddc_en = gpiod_get_optional(&connector_pdev->dev, - "ddc-en", GPIOD_OUT_HIGH); - platform_device_put(connector_pdev); - - if (IS_ERR(hdmi->ddc_en)) { - dev_err(dev, "Couldn't get ddc-en gpio\n"); - return PTR_ERR(hdmi->ddc_en); - } - } - ret = regulator_enable(hdmi->regulator); if (ret) { dev_err(dev, "Failed to enable regulator\n"); - goto err_unref_ddc_en; + return ret; } - gpiod_set_value(hdmi->ddc_en, 1); - ret = reset_control_deassert(hdmi->rst_ctrl); if (ret) { dev_err(dev, "Could not deassert ctrl reset control\n"); - goto err_disable_ddc_en; + goto err_disable_regulator; } ret = clk_prepare_enable(hdmi->clk_tmds); @@ -245,12 +207,8 @@ err_disable_clk_tmds: clk_disable_unprepare(hdmi->clk_tmds); err_assert_ctrl_reset: reset_control_assert(hdmi->rst_ctrl); -err_disable_ddc_en: - gpiod_set_value(hdmi->ddc_en, 0); +err_disable_regulator: regulator_disable(hdmi->regulator); -err_unref_ddc_en: - if (hdmi->ddc_en) - gpiod_put(hdmi->ddc_en); return ret; } @@ -264,11 +222,7 @@ static void sun8i_dw_hdmi_unbind(struct device *dev, struct device *master, sun8i_hdmi_phy_deinit(hdmi->phy); clk_disable_unprepare(hdmi->clk_tmds); reset_control_assert(hdmi->rst_ctrl); - gpiod_set_value(hdmi->ddc_en, 0); regulator_disable(hdmi->regulator); - - if (hdmi->ddc_en) - gpiod_put(hdmi->ddc_en); } static const struct component_ops sun8i_dw_hdmi_ops = { diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h index bffe1b9cd3dc..9ad09522947a 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h @@ -9,7 +9,6 @@ #include <drm/bridge/dw_hdmi.h> #include <drm/drm_encoder.h> #include <linux/clk.h> -#include <linux/gpio/consumer.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> @@ -193,7 +192,6 @@ struct sun8i_dw_hdmi { struct regulator *regulator; const struct sun8i_dw_hdmi_quirks *quirks; struct reset_control *rst_ctrl; - struct gpio_desc *ddc_en; }; extern struct platform_driver sun8i_hdmi_phy_driver; diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 49c0f2ac868b..b8d856312846 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -248,6 +248,9 @@ void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo) { struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev); + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + mutex_lock(&vc4->purgeable.lock); list_add_tail(&bo->size_head, &vc4->purgeable.list); vc4->purgeable.num++; @@ -259,6 +262,9 @@ static void vc4_bo_remove_from_purgeable_pool_locked(struct vc4_bo *bo) { struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev); + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + /* list_del_init() is used here because the caller might release * the purgeable lock in order to acquire the madv one and update the * madv status. @@ -387,6 +393,9 @@ struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size) struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_bo *bo; + if (WARN_ON_ONCE(vc4->is_vc5)) + return ERR_PTR(-ENODEV); + bo = kzalloc(sizeof(*bo), GFP_KERNEL); if (!bo) return ERR_PTR(-ENOMEM); @@ -413,6 +422,9 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size, struct drm_gem_cma_object *cma_obj; struct vc4_bo *bo; + if (WARN_ON_ONCE(vc4->is_vc5)) + return ERR_PTR(-ENODEV); + if (size == 0) return ERR_PTR(-EINVAL); @@ -471,19 +483,20 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size, return bo; } -int vc4_dumb_create(struct drm_file *file_priv, - struct drm_device *dev, - struct drm_mode_create_dumb *args) +int vc4_bo_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args) { - int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); + struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_bo *bo = NULL; int ret; - if (args->pitch < min_pitch) - args->pitch = min_pitch; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; - if (args->size < args->pitch * args->height) - args->size = args->pitch * args->height; + ret = vc4_dumb_fixup_args(args); + if (ret) + return ret; bo = vc4_bo_create(dev, args->size, false, VC4_BO_TYPE_DUMB); if (IS_ERR(bo)) @@ -601,8 +614,12 @@ static void vc4_bo_cache_time_work(struct work_struct *work) int vc4_bo_inc_usecnt(struct vc4_bo *bo) { + struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev); int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + /* Fast path: if the BO is already retained by someone, no need to * check the madv status. */ @@ -637,6 +654,11 @@ int vc4_bo_inc_usecnt(struct vc4_bo *bo) void vc4_bo_dec_usecnt(struct vc4_bo *bo) { + struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev); + + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + /* Fast path: if the BO is still retained by someone, no need to test * the madv value. */ @@ -756,6 +778,9 @@ int vc4_create_bo_ioctl(struct drm_device *dev, void *data, struct vc4_bo *bo = NULL; int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + ret = vc4_grab_bin_bo(vc4, vc4file); if (ret) return ret; @@ -779,9 +804,13 @@ int vc4_create_bo_ioctl(struct drm_device *dev, void *data, int vc4_mmap_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_vc4_mmap_bo *args = data; struct drm_gem_object *gem_obj; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + gem_obj = drm_gem_object_lookup(file_priv, args->handle); if (!gem_obj) { DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle); @@ -805,6 +834,9 @@ vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data, struct vc4_bo *bo = NULL; int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (args->size == 0) return -EINVAL; @@ -875,11 +907,15 @@ fail: int vc4_set_tiling_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_vc4_set_tiling *args = data; struct drm_gem_object *gem_obj; struct vc4_bo *bo; bool t_format; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (args->flags != 0) return -EINVAL; @@ -918,10 +954,14 @@ int vc4_set_tiling_ioctl(struct drm_device *dev, void *data, int vc4_get_tiling_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_vc4_get_tiling *args = data; struct drm_gem_object *gem_obj; struct vc4_bo *bo; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (args->flags != 0 || args->modifier != 0) return -EINVAL; @@ -948,6 +988,9 @@ int vc4_bo_cache_init(struct drm_device *dev) struct vc4_dev *vc4 = to_vc4_dev(dev); int i; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + /* Create the initial set of BO labels that the kernel will * use. This lets us avoid a bunch of string reallocation in * the kernel's draw and BO allocation paths. @@ -1007,6 +1050,9 @@ int vc4_label_bo_ioctl(struct drm_device *dev, void *data, struct drm_gem_object *gem_obj; int ret = 0, label; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (!args->len) return -EINVAL; diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 59b20c8f132b..9355213dc883 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -256,7 +256,7 @@ static u32 vc4_get_fifo_full_level(struct vc4_crtc *vc4_crtc, u32 format) * Removing 1 from the FIFO full level however * seems to completely remove that issue. */ - if (!vc4->hvs->hvs5) + if (!vc4->is_vc5) return fifo_len_bytes - 3 * HVS_FIFO_LATENCY_PIX - 1; return fifo_len_bytes - 3 * HVS_FIFO_LATENCY_PIX; @@ -389,7 +389,7 @@ static void vc4_crtc_config_pv(struct drm_crtc *crtc, struct drm_encoder *encode if (is_dsi) CRTC_WRITE(PV_HACT_ACT, mode->hdisplay * pixel_rep); - if (vc4->hvs->hvs5) + if (vc4->is_vc5) CRTC_WRITE(PV_MUX_CFG, VC4_SET_FIELD(PV_MUX_CFG_RGB_PIXEL_MUX_MODE_NO_SWAP, PV_MUX_CFG_RGB_PIXEL_MUX_MODE)); @@ -775,17 +775,18 @@ struct vc4_async_flip_state { struct drm_framebuffer *old_fb; struct drm_pending_vblank_event *event; - struct vc4_seqno_cb cb; + union { + struct dma_fence_cb fence; + struct vc4_seqno_cb seqno; + } cb; }; /* Called when the V3D execution for the BO being flipped to is done, so that * we can actually update the plane's address to point to it. */ static void -vc4_async_page_flip_complete(struct vc4_seqno_cb *cb) +vc4_async_page_flip_complete(struct vc4_async_flip_state *flip_state) { - struct vc4_async_flip_state *flip_state = - container_of(cb, struct vc4_async_flip_state, cb); struct drm_crtc *crtc = flip_state->crtc; struct drm_device *dev = crtc->dev; struct drm_plane *plane = crtc->primary; @@ -802,59 +803,96 @@ vc4_async_page_flip_complete(struct vc4_seqno_cb *cb) drm_crtc_vblank_put(crtc); drm_framebuffer_put(flip_state->fb); - /* Decrement the BO usecnt in order to keep the inc/dec calls balanced - * when the planes are updated through the async update path. - * FIXME: we should move to generic async-page-flip when it's - * available, so that we can get rid of this hand-made cleanup_fb() - * logic. - */ - if (flip_state->old_fb) { - struct drm_gem_cma_object *cma_bo; - struct vc4_bo *bo; + if (flip_state->old_fb) + drm_framebuffer_put(flip_state->old_fb); + + kfree(flip_state); +} + +static void vc4_async_page_flip_seqno_complete(struct vc4_seqno_cb *cb) +{ + struct vc4_async_flip_state *flip_state = + container_of(cb, struct vc4_async_flip_state, cb.seqno); + struct vc4_bo *bo = NULL; - cma_bo = drm_fb_cma_get_gem_obj(flip_state->old_fb, 0); + if (flip_state->old_fb) { + struct drm_gem_cma_object *cma_bo = + drm_fb_cma_get_gem_obj(flip_state->old_fb, 0); bo = to_vc4_bo(&cma_bo->base); - vc4_bo_dec_usecnt(bo); - drm_framebuffer_put(flip_state->old_fb); } - kfree(flip_state); + vc4_async_page_flip_complete(flip_state); + + /* + * Decrement the BO usecnt in order to keep the inc/dec + * calls balanced when the planes are updated through + * the async update path. + * + * FIXME: we should move to generic async-page-flip when + * it's available, so that we can get rid of this + * hand-made cleanup_fb() logic. + */ + if (bo) + vc4_bo_dec_usecnt(bo); } -/* Implements async (non-vblank-synced) page flips. - * - * The page flip ioctl needs to return immediately, so we grab the - * modeset semaphore on the pipe, and queue the address update for - * when V3D is done with the BO being flipped to. - */ -static int vc4_async_page_flip(struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_pending_vblank_event *event, - uint32_t flags) +static void vc4_async_page_flip_fence_complete(struct dma_fence *fence, + struct dma_fence_cb *cb) { - struct drm_device *dev = crtc->dev; - struct drm_plane *plane = crtc->primary; - int ret = 0; - struct vc4_async_flip_state *flip_state; + struct vc4_async_flip_state *flip_state = + container_of(cb, struct vc4_async_flip_state, cb.fence); + + vc4_async_page_flip_complete(flip_state); + dma_fence_put(fence); +} + +static int vc4_async_set_fence_cb(struct drm_device *dev, + struct vc4_async_flip_state *flip_state) +{ + struct drm_framebuffer *fb = flip_state->fb; struct drm_gem_cma_object *cma_bo = drm_fb_cma_get_gem_obj(fb, 0); - struct vc4_bo *bo = to_vc4_bo(&cma_bo->base); + struct vc4_dev *vc4 = to_vc4_dev(dev); + struct dma_fence *fence; + int ret; - /* Increment the BO usecnt here, so that we never end up with an - * unbalanced number of vc4_bo_{dec,inc}_usecnt() calls when the - * plane is later updated through the non-async path. - * FIXME: we should move to generic async-page-flip when it's - * available, so that we can get rid of this hand-made prepare_fb() - * logic. - */ - ret = vc4_bo_inc_usecnt(bo); + if (!vc4->is_vc5) { + struct vc4_bo *bo = to_vc4_bo(&cma_bo->base); + + return vc4_queue_seqno_cb(dev, &flip_state->cb.seqno, bo->seqno, + vc4_async_page_flip_seqno_complete); + } + + ret = dma_resv_get_singleton(cma_bo->base.resv, DMA_RESV_USAGE_READ, &fence); if (ret) return ret; + /* If there's no fence, complete the page flip immediately */ + if (!fence) { + vc4_async_page_flip_fence_complete(fence, &flip_state->cb.fence); + return 0; + } + + /* If the fence has already been completed, complete the page flip */ + if (dma_fence_add_callback(fence, &flip_state->cb.fence, + vc4_async_page_flip_fence_complete)) + vc4_async_page_flip_fence_complete(fence, &flip_state->cb.fence); + + return 0; +} + +static int +vc4_async_page_flip_common(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t flags) +{ + struct drm_device *dev = crtc->dev; + struct drm_plane *plane = crtc->primary; + struct vc4_async_flip_state *flip_state; + flip_state = kzalloc(sizeof(*flip_state), GFP_KERNEL); - if (!flip_state) { - vc4_bo_dec_usecnt(bo); + if (!flip_state) return -ENOMEM; - } drm_framebuffer_get(fb); flip_state->fb = fb; @@ -881,23 +919,79 @@ static int vc4_async_page_flip(struct drm_crtc *crtc, */ drm_atomic_set_fb_for_plane(plane->state, fb); - vc4_queue_seqno_cb(dev, &flip_state->cb, bo->seqno, - vc4_async_page_flip_complete); + vc4_async_set_fence_cb(dev, flip_state); /* Driver takes ownership of state on successful async commit. */ return 0; } +/* Implements async (non-vblank-synced) page flips. + * + * The page flip ioctl needs to return immediately, so we grab the + * modeset semaphore on the pipe, and queue the address update for + * when V3D is done with the BO being flipped to. + */ +static int vc4_async_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t flags) +{ + struct drm_device *dev = crtc->dev; + struct vc4_dev *vc4 = to_vc4_dev(dev); + struct drm_gem_cma_object *cma_bo = drm_fb_cma_get_gem_obj(fb, 0); + struct vc4_bo *bo = to_vc4_bo(&cma_bo->base); + int ret; + + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + + /* + * Increment the BO usecnt here, so that we never end up with an + * unbalanced number of vc4_bo_{dec,inc}_usecnt() calls when the + * plane is later updated through the non-async path. + * + * FIXME: we should move to generic async-page-flip when + * it's available, so that we can get rid of this + * hand-made prepare_fb() logic. + */ + ret = vc4_bo_inc_usecnt(bo); + if (ret) + return ret; + + ret = vc4_async_page_flip_common(crtc, fb, event, flags); + if (ret) { + vc4_bo_dec_usecnt(bo); + return ret; + } + + return 0; +} + +static int vc5_async_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t flags) +{ + return vc4_async_page_flip_common(crtc, fb, event, flags); +} + int vc4_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event, uint32_t flags, struct drm_modeset_acquire_ctx *ctx) { - if (flags & DRM_MODE_PAGE_FLIP_ASYNC) - return vc4_async_page_flip(crtc, fb, event, flags); - else + if (flags & DRM_MODE_PAGE_FLIP_ASYNC) { + struct drm_device *dev = crtc->dev; + struct vc4_dev *vc4 = to_vc4_dev(dev); + + if (vc4->is_vc5) + return vc5_async_page_flip(crtc, fb, event, flags); + else + return vc4_async_page_flip(crtc, fb, event, flags); + } else { return drm_atomic_helper_page_flip(crtc, fb, event, flags, ctx); + } } struct drm_crtc_state *vc4_crtc_duplicate_state(struct drm_crtc *crtc) @@ -1149,7 +1243,7 @@ int vc4_crtc_init(struct drm_device *drm, struct vc4_crtc *vc4_crtc, crtc_funcs, NULL); drm_crtc_helper_add(crtc, crtc_helper_funcs); - if (!vc4->hvs->hvs5) { + if (!vc4->is_vc5) { drm_mode_crtc_set_gamma_size(crtc, ARRAY_SIZE(vc4_crtc->lut_r)); drm_crtc_enable_color_mgmt(crtc, 0, false, crtc->gamma_size); diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 162bc18e7497..0f0f0263e744 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -63,6 +63,32 @@ void __iomem *vc4_ioremap_regs(struct platform_device *pdev, int index) return map; } +int vc4_dumb_fixup_args(struct drm_mode_create_dumb *args) +{ + int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); + + if (args->pitch < min_pitch) + args->pitch = min_pitch; + + if (args->size < args->pitch * args->height) + args->size = args->pitch * args->height; + + return 0; +} + +static int vc5_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args) +{ + int ret; + + ret = vc4_dumb_fixup_args(args); + if (ret) + return ret; + + return drm_gem_cma_dumb_create_internal(file_priv, dev, args); +} + static int vc4_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -73,6 +99,9 @@ static int vc4_get_param_ioctl(struct drm_device *dev, void *data, if (args->pad != 0) return -EINVAL; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (!vc4->v3d) return -ENODEV; @@ -116,11 +145,16 @@ static int vc4_get_param_ioctl(struct drm_device *dev, void *data, static int vc4_open(struct drm_device *dev, struct drm_file *file) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_file *vc4file; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + vc4file = kzalloc(sizeof(*vc4file), GFP_KERNEL); if (!vc4file) return -ENOMEM; + vc4file->dev = vc4; vc4_perfmon_open_file(vc4file); file->driver_priv = vc4file; @@ -132,6 +166,9 @@ static void vc4_close(struct drm_device *dev, struct drm_file *file) struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_file *vc4file = file->driver_priv; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + if (vc4file->bin_bo_used) vc4_v3d_bin_bo_put(vc4); @@ -160,7 +197,7 @@ static const struct drm_ioctl_desc vc4_drm_ioctls[] = { DRM_IOCTL_DEF_DRV(VC4_PERFMON_GET_VALUES, vc4_perfmon_get_values_ioctl, DRM_RENDER_ALLOW), }; -static struct drm_driver vc4_drm_driver = { +static const struct drm_driver vc4_drm_driver = { .driver_features = (DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM | @@ -175,7 +212,7 @@ static struct drm_driver vc4_drm_driver = { .gem_create_object = vc4_create_object, - DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(vc4_dumb_create), + DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(vc4_bo_dumb_create), .ioctls = vc4_drm_ioctls, .num_ioctls = ARRAY_SIZE(vc4_drm_ioctls), @@ -189,6 +226,27 @@ static struct drm_driver vc4_drm_driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static const struct drm_driver vc5_drm_driver = { + .driver_features = (DRIVER_MODESET | + DRIVER_ATOMIC | + DRIVER_GEM), + +#if defined(CONFIG_DEBUG_FS) + .debugfs_init = vc4_debugfs_init, +#endif + + DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(vc5_dumb_create), + + .fops = &vc4_drm_fops, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, +}; + static void vc4_match_add_drivers(struct device *dev, struct component_match **match, struct platform_driver *const *drivers, @@ -212,42 +270,49 @@ static void vc4_match_add_drivers(struct device *dev, static int vc4_drm_bind(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); + const struct drm_driver *driver; struct rpi_firmware *firmware = NULL; struct drm_device *drm; struct vc4_dev *vc4; struct device_node *node; struct drm_crtc *crtc; + bool is_vc5; int ret = 0; dev->coherent_dma_mask = DMA_BIT_MASK(32); - /* If VC4 V3D is missing, don't advertise render nodes. */ - node = of_find_matching_node_and_match(NULL, vc4_v3d_dt_match, NULL); - if (!node || !of_device_is_available(node)) - vc4_drm_driver.driver_features &= ~DRIVER_RENDER; - of_node_put(node); + is_vc5 = of_device_is_compatible(dev->of_node, "brcm,bcm2711-vc5"); + if (is_vc5) + driver = &vc5_drm_driver; + else + driver = &vc4_drm_driver; - vc4 = devm_drm_dev_alloc(dev, &vc4_drm_driver, struct vc4_dev, base); + vc4 = devm_drm_dev_alloc(dev, driver, struct vc4_dev, base); if (IS_ERR(vc4)) return PTR_ERR(vc4); + vc4->is_vc5 = is_vc5; drm = &vc4->base; platform_set_drvdata(pdev, drm); INIT_LIST_HEAD(&vc4->debugfs_list); - mutex_init(&vc4->bin_bo_lock); + if (!is_vc5) { + mutex_init(&vc4->bin_bo_lock); - ret = vc4_bo_cache_init(drm); - if (ret) - return ret; + ret = vc4_bo_cache_init(drm); + if (ret) + return ret; + } ret = drmm_mode_config_init(drm); if (ret) return ret; - ret = vc4_gem_init(drm); - if (ret) - return ret; + if (!is_vc5) { + ret = vc4_gem_init(drm); + if (ret) + return ret; + } node = of_find_compatible_node(NULL, NULL, "raspberrypi,bcm2835-firmware"); if (node) { @@ -258,7 +323,7 @@ static int vc4_drm_bind(struct device *dev) return -EPROBE_DEFER; } - ret = drm_aperture_remove_framebuffers(false, &vc4_drm_driver); + ret = drm_aperture_remove_framebuffers(false, driver); if (ret) return ret; diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 15e0c2ac3940..93fd55b9e99e 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -48,6 +48,8 @@ enum vc4_kernel_bo_type { * done. This way, only events related to a specific job will be counted. */ struct vc4_perfmon { + struct vc4_dev *dev; + /* Tracks the number of users of the perfmon, when this counter reaches * zero the perfmon is destroyed. */ @@ -74,6 +76,8 @@ struct vc4_perfmon { struct vc4_dev { struct drm_device base; + bool is_vc5; + unsigned int irq; struct vc4_hvs *hvs; @@ -316,6 +320,7 @@ struct vc4_v3d { }; struct vc4_hvs { + struct vc4_dev *vc4; struct platform_device *pdev; void __iomem *regs; u32 __iomem *dlist; @@ -333,9 +338,6 @@ struct vc4_hvs { struct drm_mm_node mitchell_netravali_filter; struct debugfs_regset32 regset; - - /* HVS version 5 flag, therefore requires updated dlist structures */ - bool hvs5; }; struct vc4_plane { @@ -580,6 +582,8 @@ to_vc4_crtc_state(struct drm_crtc_state *crtc_state) #define VC4_REG32(reg) { .name = #reg, .offset = reg } struct vc4_exec_info { + struct vc4_dev *dev; + /* Sequence number for this bin/render job. */ uint64_t seqno; @@ -701,6 +705,8 @@ struct vc4_exec_info { * released when the DRM file is closed should be placed here. */ struct vc4_file { + struct vc4_dev *dev; + struct { struct idr idr; struct mutex lock; @@ -814,9 +820,9 @@ struct vc4_validated_shader_info { struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size); struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t size, bool from_cache, enum vc4_kernel_bo_type type); -int vc4_dumb_create(struct drm_file *file_priv, - struct drm_device *dev, - struct drm_mode_create_dumb *args); +int vc4_bo_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); int vc4_create_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data, @@ -885,6 +891,7 @@ static inline void vc4_debugfs_add_regset32(struct drm_device *drm, /* vc4_drv.c */ void __iomem *vc4_ioremap_regs(struct platform_device *dev, int index); +int vc4_dumb_fixup_args(struct drm_mode_create_dumb *args); /* vc4_dpi.c */ extern struct platform_driver vc4_dpi_driver; diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 9eaf304fc20d..fe10d9c3fff8 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -76,6 +76,9 @@ vc4_get_hang_state_ioctl(struct drm_device *dev, void *data, u32 i; int ret = 0; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (!vc4->v3d) { DRM_DEBUG("VC4_GET_HANG_STATE with no VC4 V3D probed\n"); return -ENODEV; @@ -386,6 +389,9 @@ vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno, uint64_t timeout_ns, unsigned long timeout_expire; DEFINE_WAIT(wait); + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (vc4->finished_seqno >= seqno) return 0; @@ -468,6 +474,9 @@ vc4_submit_next_bin_job(struct drm_device *dev) struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_exec_info *exec; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + again: exec = vc4_first_bin_job(vc4); if (!exec) @@ -513,6 +522,9 @@ vc4_submit_next_render_job(struct drm_device *dev) if (!exec) return; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + /* A previous RCL may have written to one of our textures, and * our full cache flush at bin time may have occurred before * that RCL completed. Flush the texture cache now, but not @@ -531,6 +543,9 @@ vc4_move_job_to_render(struct drm_device *dev, struct vc4_exec_info *exec) struct vc4_dev *vc4 = to_vc4_dev(dev); bool was_empty = list_empty(&vc4->render_job_list); + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + list_move_tail(&exec->head, &vc4->render_job_list); if (was_empty) vc4_submit_next_render_job(dev); @@ -997,6 +1012,9 @@ vc4_job_handle_completed(struct vc4_dev *vc4) unsigned long irqflags; struct vc4_seqno_cb *cb, *cb_temp; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + spin_lock_irqsave(&vc4->job_lock, irqflags); while (!list_empty(&vc4->job_done_list)) { struct vc4_exec_info *exec = @@ -1033,6 +1051,9 @@ int vc4_queue_seqno_cb(struct drm_device *dev, struct vc4_dev *vc4 = to_vc4_dev(dev); unsigned long irqflags; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + cb->func = func; INIT_WORK(&cb->work, vc4_seqno_cb_work); @@ -1083,8 +1104,12 @@ int vc4_wait_seqno_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_vc4_wait_seqno *args = data; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + return vc4_wait_for_seqno_ioctl_helper(dev, args->seqno, &args->timeout_ns); } @@ -1093,11 +1118,15 @@ int vc4_wait_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct vc4_dev *vc4 = to_vc4_dev(dev); int ret; struct drm_vc4_wait_bo *args = data; struct drm_gem_object *gem_obj; struct vc4_bo *bo; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (args->pad != 0) return -EINVAL; @@ -1144,6 +1173,9 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data, args->shader_rec_size, args->bo_handle_count); + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (!vc4->v3d) { DRM_DEBUG("VC4_SUBMIT_CL with no VC4 V3D probed\n"); return -ENODEV; @@ -1167,6 +1199,7 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data, DRM_ERROR("malloc failure on exec struct\n"); return -ENOMEM; } + exec->dev = vc4; ret = vc4_v3d_pm_get(vc4); if (ret) { @@ -1276,6 +1309,9 @@ int vc4_gem_init(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + vc4->dma_fence_context = dma_fence_context_alloc(1); INIT_LIST_HEAD(&vc4->bin_job_list); @@ -1321,11 +1357,15 @@ static void vc4_gem_destroy(struct drm_device *dev, void *unused) int vc4_gem_madvise_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_vc4_gem_madvise *args = data; struct drm_gem_object *gem_obj; struct vc4_bo *bo; int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + switch (args->madv) { case VC4_MADV_DONTNEED: case VC4_MADV_WILLNEED: diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 823d812f4982..ce9d16666d91 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1481,7 +1481,7 @@ vc4_hdmi_encoder_compute_mode_clock(const struct drm_display_mode *mode, unsigned int bpc, enum vc4_hdmi_output_format fmt) { - unsigned long long clock = mode->clock * 1000; + unsigned long long clock = mode->clock * 1000ULL; if (mode->flags & DRM_MODE_FLAG_DBLCLK) clock = clock * 2; diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index 2a58fc421cf6..ba2c8e5a9b64 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -220,10 +220,11 @@ u8 vc4_hvs_get_fifo_frame_count(struct vc4_hvs *hvs, unsigned int fifo) int vc4_hvs_get_fifo_from_output(struct vc4_hvs *hvs, unsigned int output) { + struct vc4_dev *vc4 = hvs->vc4; u32 reg; int ret; - if (!hvs->hvs5) + if (!vc4->is_vc5) return output; switch (output) { @@ -273,6 +274,7 @@ int vc4_hvs_get_fifo_from_output(struct vc4_hvs *hvs, unsigned int output) static int vc4_hvs_init_channel(struct vc4_hvs *hvs, struct drm_crtc *crtc, struct drm_display_mode *mode, bool oneshot) { + struct vc4_dev *vc4 = hvs->vc4; struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); struct vc4_crtc_state *vc4_crtc_state = to_vc4_crtc_state(crtc->state); unsigned int chan = vc4_crtc_state->assigned_channel; @@ -291,7 +293,7 @@ static int vc4_hvs_init_channel(struct vc4_hvs *hvs, struct drm_crtc *crtc, */ dispctrl = SCALER_DISPCTRLX_ENABLE; - if (!hvs->hvs5) + if (!vc4->is_vc5) dispctrl |= VC4_SET_FIELD(mode->hdisplay, SCALER_DISPCTRLX_WIDTH) | VC4_SET_FIELD(mode->vdisplay, @@ -312,7 +314,7 @@ static int vc4_hvs_init_channel(struct vc4_hvs *hvs, struct drm_crtc *crtc, HVS_WRITE(SCALER_DISPBKGNDX(chan), dispbkgndx | SCALER_DISPBKGND_AUTOHS | - ((!hvs->hvs5) ? SCALER_DISPBKGND_GAMMA : 0) | + ((!vc4->is_vc5) ? SCALER_DISPBKGND_GAMMA : 0) | (interlace ? SCALER_DISPBKGND_INTERLACE : 0)); /* Reload the LUT, since the SRAMs would have been disabled if @@ -617,11 +619,9 @@ static int vc4_hvs_bind(struct device *dev, struct device *master, void *data) if (!hvs) return -ENOMEM; + hvs->vc4 = vc4; hvs->pdev = pdev; - if (of_device_is_compatible(pdev->dev.of_node, "brcm,bcm2711-hvs")) - hvs->hvs5 = true; - hvs->regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(hvs->regs)) return PTR_ERR(hvs->regs); @@ -630,7 +630,7 @@ static int vc4_hvs_bind(struct device *dev, struct device *master, void *data) hvs->regset.regs = hvs_regs; hvs->regset.nregs = ARRAY_SIZE(hvs_regs); - if (hvs->hvs5) { + if (vc4->is_vc5) { hvs->core_clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(hvs->core_clk)) { dev_err(&pdev->dev, "Couldn't get core clock\n"); @@ -644,7 +644,7 @@ static int vc4_hvs_bind(struct device *dev, struct device *master, void *data) } } - if (!hvs->hvs5) + if (!vc4->is_vc5) hvs->dlist = hvs->regs + SCALER_DLIST_START; else hvs->dlist = hvs->regs + SCALER5_DLIST_START; @@ -665,7 +665,7 @@ static int vc4_hvs_bind(struct device *dev, struct device *master, void *data) * between planes when they don't overlap on the screen, but * for now we just allocate globally. */ - if (!hvs->hvs5) + if (!vc4->is_vc5) /* 48k words of 2x12-bit pixels */ drm_mm_init(&hvs->lbm_mm, 0, 48 * 1024); else diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c index 4342fb43e8c1..2eacfb6773d2 100644 --- a/drivers/gpu/drm/vc4/vc4_irq.c +++ b/drivers/gpu/drm/vc4/vc4_irq.c @@ -265,6 +265,9 @@ vc4_irq_enable(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + if (!vc4->v3d) return; @@ -279,6 +282,9 @@ vc4_irq_disable(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + if (!vc4->v3d) return; @@ -296,8 +302,12 @@ vc4_irq_disable(struct drm_device *dev) int vc4_irq_install(struct drm_device *dev, int irq) { + struct vc4_dev *vc4 = to_vc4_dev(dev); int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (irq == IRQ_NOTCONNECTED) return -ENOTCONN; @@ -316,6 +326,9 @@ void vc4_irq_uninstall(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + vc4_irq_disable(dev); free_irq(vc4->irq, dev); } @@ -326,6 +339,9 @@ void vc4_irq_reset(struct drm_device *dev) struct vc4_dev *vc4 = to_vc4_dev(dev); unsigned long irqflags; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + /* Acknowledge any stale IRQs. */ V3D_WRITE(V3D_INTCTL, V3D_DRIVER_IRQS); diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index c169bd72e53b..893d831b24aa 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -393,7 +393,7 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state) old_hvs_state->fifo_state[channel].pending_commit = NULL; } - if (vc4->hvs->hvs5) { + if (vc4->is_vc5) { unsigned long state_rate = max(old_hvs_state->core_clock_rate, new_hvs_state->core_clock_rate); unsigned long core_rate = max_t(unsigned long, @@ -412,7 +412,7 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state) vc4_ctm_commit(vc4, state); - if (vc4->hvs->hvs5) + if (vc4->is_vc5) vc5_hvs_pv_muxing_commit(vc4, state); else vc4_hvs_pv_muxing_commit(vc4, state); @@ -430,7 +430,7 @@ static void vc4_atomic_commit_tail(struct drm_atomic_state *state) drm_atomic_helper_cleanup_planes(dev, state); - if (vc4->hvs->hvs5) { + if (vc4->is_vc5) { drm_dbg(dev, "Running the core clock at %lu Hz\n", new_hvs_state->core_clock_rate); @@ -479,8 +479,12 @@ static struct drm_framebuffer *vc4_fb_create(struct drm_device *dev, struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_mode_fb_cmd2 mode_cmd_local; + if (WARN_ON_ONCE(vc4->is_vc5)) + return ERR_PTR(-ENODEV); + /* If the user didn't specify a modifier, use the * vc4_set_tiling_ioctl() state for the BO. */ @@ -997,11 +1001,15 @@ static const struct drm_mode_config_funcs vc4_mode_funcs = { .fb_create = vc4_fb_create, }; +static const struct drm_mode_config_funcs vc5_mode_funcs = { + .atomic_check = vc4_atomic_check, + .atomic_commit = drm_atomic_helper_commit, + .fb_create = drm_gem_fb_create, +}; + int vc4_kms_load(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); - bool is_vc5 = of_device_is_compatible(dev->dev->of_node, - "brcm,bcm2711-vc5"); int ret; /* @@ -1009,7 +1017,7 @@ int vc4_kms_load(struct drm_device *dev) * the BCM2711, but the load tracker computations are used for * the core clock rate calculation. */ - if (!is_vc5) { + if (!vc4->is_vc5) { /* Start with the load tracker enabled. Can be * disabled through the debugfs load_tracker file. */ @@ -1025,7 +1033,7 @@ int vc4_kms_load(struct drm_device *dev) return ret; } - if (is_vc5) { + if (vc4->is_vc5) { dev->mode_config.max_width = 7680; dev->mode_config.max_height = 7680; } else { @@ -1033,7 +1041,7 @@ int vc4_kms_load(struct drm_device *dev) dev->mode_config.max_height = 2048; } - dev->mode_config.funcs = &vc4_mode_funcs; + dev->mode_config.funcs = vc4->is_vc5 ? &vc5_mode_funcs : &vc4_mode_funcs; dev->mode_config.helper_private = &vc4_mode_config_helpers; dev->mode_config.preferred_depth = 24; dev->mode_config.async_page_flip = true; diff --git a/drivers/gpu/drm/vc4/vc4_perfmon.c b/drivers/gpu/drm/vc4/vc4_perfmon.c index 18abc06335c1..79a74184d732 100644 --- a/drivers/gpu/drm/vc4/vc4_perfmon.c +++ b/drivers/gpu/drm/vc4/vc4_perfmon.c @@ -17,13 +17,30 @@ void vc4_perfmon_get(struct vc4_perfmon *perfmon) { - if (perfmon) - refcount_inc(&perfmon->refcnt); + struct vc4_dev *vc4; + + if (!perfmon) + return; + + vc4 = perfmon->dev; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + + refcount_inc(&perfmon->refcnt); } void vc4_perfmon_put(struct vc4_perfmon *perfmon) { - if (perfmon && refcount_dec_and_test(&perfmon->refcnt)) + struct vc4_dev *vc4; + + if (!perfmon) + return; + + vc4 = perfmon->dev; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + + if (refcount_dec_and_test(&perfmon->refcnt)) kfree(perfmon); } @@ -32,6 +49,9 @@ void vc4_perfmon_start(struct vc4_dev *vc4, struct vc4_perfmon *perfmon) unsigned int i; u32 mask; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + if (WARN_ON_ONCE(!perfmon || vc4->active_perfmon)) return; @@ -49,6 +69,9 @@ void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon, { unsigned int i; + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + if (WARN_ON_ONCE(!vc4->active_perfmon || perfmon != vc4->active_perfmon)) return; @@ -64,8 +87,12 @@ void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon, struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id) { + struct vc4_dev *vc4 = vc4file->dev; struct vc4_perfmon *perfmon; + if (WARN_ON_ONCE(vc4->is_vc5)) + return NULL; + mutex_lock(&vc4file->perfmon.lock); perfmon = idr_find(&vc4file->perfmon.idr, id); vc4_perfmon_get(perfmon); @@ -76,8 +103,14 @@ struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id) void vc4_perfmon_open_file(struct vc4_file *vc4file) { + struct vc4_dev *vc4 = vc4file->dev; + + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + mutex_init(&vc4file->perfmon.lock); idr_init_base(&vc4file->perfmon.idr, VC4_PERFMONID_MIN); + vc4file->dev = vc4; } static int vc4_perfmon_idr_del(int id, void *elem, void *data) @@ -91,6 +124,11 @@ static int vc4_perfmon_idr_del(int id, void *elem, void *data) void vc4_perfmon_close_file(struct vc4_file *vc4file) { + struct vc4_dev *vc4 = vc4file->dev; + + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + mutex_lock(&vc4file->perfmon.lock); idr_for_each(&vc4file->perfmon.idr, vc4_perfmon_idr_del, NULL); idr_destroy(&vc4file->perfmon.idr); @@ -107,6 +145,9 @@ int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data, unsigned int i; int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (!vc4->v3d) { DRM_DEBUG("Creating perfmon no VC4 V3D probed\n"); return -ENODEV; @@ -127,6 +168,7 @@ int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data, GFP_KERNEL); if (!perfmon) return -ENOMEM; + perfmon->dev = vc4; for (i = 0; i < req->ncounters; i++) perfmon->events[i] = req->events[i]; @@ -157,6 +199,9 @@ int vc4_perfmon_destroy_ioctl(struct drm_device *dev, void *data, struct drm_vc4_perfmon_destroy *req = data; struct vc4_perfmon *perfmon; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (!vc4->v3d) { DRM_DEBUG("Destroying perfmon no VC4 V3D probed\n"); return -ENODEV; @@ -182,6 +227,9 @@ int vc4_perfmon_get_values_ioctl(struct drm_device *dev, void *data, struct vc4_perfmon *perfmon; int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (!vc4->v3d) { DRM_DEBUG("Getting perfmon no VC4 V3D probed\n"); return -ENODEV; diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index b3438f4a81ce..1e866dc00ac3 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -489,10 +489,10 @@ static u32 vc4_lbm_size(struct drm_plane_state *state) } /* Align it to 64 or 128 (hvs5) bytes */ - lbm = roundup(lbm, vc4->hvs->hvs5 ? 128 : 64); + lbm = roundup(lbm, vc4->is_vc5 ? 128 : 64); /* Each "word" of the LBM memory contains 2 or 4 (hvs5) pixels */ - lbm /= vc4->hvs->hvs5 ? 4 : 2; + lbm /= vc4->is_vc5 ? 4 : 2; return lbm; } @@ -608,7 +608,7 @@ static int vc4_plane_allocate_lbm(struct drm_plane_state *state) ret = drm_mm_insert_node_generic(&vc4->hvs->lbm_mm, &vc4_state->lbm, lbm_size, - vc4->hvs->hvs5 ? 64 : 32, + vc4->is_vc5 ? 64 : 32, 0, 0); spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags); @@ -917,7 +917,7 @@ static int vc4_plane_mode_set(struct drm_plane *plane, mix_plane_alpha = state->alpha != DRM_BLEND_ALPHA_OPAQUE && fb->format->has_alpha; - if (!vc4->hvs->hvs5) { + if (!vc4->is_vc5) { /* Control word */ vc4_dlist_write(vc4_state, SCALER_CTL0_VALID | @@ -1321,6 +1321,10 @@ static int vc4_plane_atomic_async_check(struct drm_plane *plane, old_vc4_state = to_vc4_plane_state(plane->state); new_vc4_state = to_vc4_plane_state(new_plane_state); + + if (!new_vc4_state->hw_dlist) + return -EINVAL; + if (old_vc4_state->dlist_count != new_vc4_state->dlist_count || old_vc4_state->pos0_offset != new_vc4_state->pos0_offset || old_vc4_state->pos2_offset != new_vc4_state->pos2_offset || @@ -1385,6 +1389,13 @@ static const struct drm_plane_helper_funcs vc4_plane_helper_funcs = { .atomic_async_update = vc4_plane_atomic_async_update, }; +static const struct drm_plane_helper_funcs vc5_plane_helper_funcs = { + .atomic_check = vc4_plane_atomic_check, + .atomic_update = vc4_plane_atomic_update, + .atomic_async_check = vc4_plane_atomic_async_check, + .atomic_async_update = vc4_plane_atomic_async_update, +}; + static bool vc4_format_mod_supported(struct drm_plane *plane, uint32_t format, uint64_t modifier) @@ -1453,14 +1464,13 @@ static const struct drm_plane_funcs vc4_plane_funcs = { struct drm_plane *vc4_plane_init(struct drm_device *dev, enum drm_plane_type type) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_plane *plane = NULL; struct vc4_plane *vc4_plane; u32 formats[ARRAY_SIZE(hvs_formats)]; int num_formats = 0; int ret = 0; unsigned i; - bool hvs5 = of_device_is_compatible(dev->dev->of_node, - "brcm,bcm2711-vc5"); static const uint64_t modifiers[] = { DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED, DRM_FORMAT_MOD_BROADCOM_SAND128, @@ -1476,7 +1486,7 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, return ERR_PTR(-ENOMEM); for (i = 0; i < ARRAY_SIZE(hvs_formats); i++) { - if (!hvs_formats[i].hvs5_only || hvs5) { + if (!hvs_formats[i].hvs5_only || vc4->is_vc5) { formats[num_formats] = hvs_formats[i].drm; num_formats++; } @@ -1490,7 +1500,10 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, if (ret) return ERR_PTR(ret); - drm_plane_helper_add(plane, &vc4_plane_helper_funcs); + if (vc4->is_vc5) + drm_plane_helper_add(plane, &vc5_plane_helper_funcs); + else + drm_plane_helper_add(plane, &vc4_plane_helper_funcs); drm_plane_create_alpha_property(plane); drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, diff --git a/drivers/gpu/drm/vc4/vc4_render_cl.c b/drivers/gpu/drm/vc4/vc4_render_cl.c index 3c918eeaf56e..f6b7dc3df08c 100644 --- a/drivers/gpu/drm/vc4/vc4_render_cl.c +++ b/drivers/gpu/drm/vc4/vc4_render_cl.c @@ -593,11 +593,15 @@ vc4_rcl_render_config_surface_setup(struct vc4_exec_info *exec, int vc4_get_rcl(struct drm_device *dev, struct vc4_exec_info *exec) { + struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_rcl_setup setup = {0}; struct drm_vc4_submit_cl *args = exec->args; bool has_bin = args->bin_cl_size != 0; int ret; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + if (args->min_x_tile > args->max_x_tile || args->min_y_tile > args->max_y_tile) { DRM_DEBUG("Bad render tile set (%d,%d)-(%d,%d)\n", diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index 7bb3067f8425..cc714dcfe1f2 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c @@ -127,6 +127,9 @@ static int vc4_v3d_debugfs_ident(struct seq_file *m, void *unused) int vc4_v3d_pm_get(struct vc4_dev *vc4) { + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + mutex_lock(&vc4->power_lock); if (vc4->power_refcount++ == 0) { int ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev); @@ -145,6 +148,9 @@ vc4_v3d_pm_get(struct vc4_dev *vc4) void vc4_v3d_pm_put(struct vc4_dev *vc4) { + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + mutex_lock(&vc4->power_lock); if (--vc4->power_refcount == 0) { pm_runtime_mark_last_busy(&vc4->v3d->pdev->dev); @@ -172,6 +178,9 @@ int vc4_v3d_get_bin_slot(struct vc4_dev *vc4) uint64_t seqno = 0; struct vc4_exec_info *exec; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + try_again: spin_lock_irqsave(&vc4->job_lock, irqflags); slot = ffs(~vc4->bin_alloc_used); @@ -316,6 +325,9 @@ int vc4_v3d_bin_bo_get(struct vc4_dev *vc4, bool *used) { int ret = 0; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + mutex_lock(&vc4->bin_bo_lock); if (used && *used) @@ -348,6 +360,9 @@ static void bin_bo_release(struct kref *ref) void vc4_v3d_bin_bo_put(struct vc4_dev *vc4) { + if (WARN_ON_ONCE(vc4->is_vc5)) + return; + mutex_lock(&vc4->bin_bo_lock); kref_put(&vc4->bin_bo_kref, bin_bo_release); mutex_unlock(&vc4->bin_bo_lock); diff --git a/drivers/gpu/drm/vc4/vc4_validate.c b/drivers/gpu/drm/vc4/vc4_validate.c index eec76af49f04..2feba55bcef7 100644 --- a/drivers/gpu/drm/vc4/vc4_validate.c +++ b/drivers/gpu/drm/vc4/vc4_validate.c @@ -105,9 +105,13 @@ size_is_lt(uint32_t width, uint32_t height, int cpp) struct drm_gem_cma_object * vc4_use_bo(struct vc4_exec_info *exec, uint32_t hindex) { + struct vc4_dev *vc4 = exec->dev; struct drm_gem_cma_object *obj; struct vc4_bo *bo; + if (WARN_ON_ONCE(vc4->is_vc5)) + return NULL; + if (hindex >= exec->bo_count) { DRM_DEBUG("BO index %d greater than BO count %d\n", hindex, exec->bo_count); @@ -160,10 +164,14 @@ vc4_check_tex_size(struct vc4_exec_info *exec, struct drm_gem_cma_object *fbo, uint32_t offset, uint8_t tiling_format, uint32_t width, uint32_t height, uint8_t cpp) { + struct vc4_dev *vc4 = exec->dev; uint32_t aligned_width, aligned_height, stride, size; uint32_t utile_w = utile_width(cpp); uint32_t utile_h = utile_height(cpp); + if (WARN_ON_ONCE(vc4->is_vc5)) + return false; + /* The shaded vertex format stores signed 12.4 fixed point * (-2048,2047) offsets from the viewport center, so we should * never have a render target larger than 4096. The texture @@ -482,10 +490,14 @@ vc4_validate_bin_cl(struct drm_device *dev, void *unvalidated, struct vc4_exec_info *exec) { + struct vc4_dev *vc4 = to_vc4_dev(dev); uint32_t len = exec->args->bin_cl_size; uint32_t dst_offset = 0; uint32_t src_offset = 0; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + while (src_offset < len) { void *dst_pkt = validated + dst_offset; void *src_pkt = unvalidated + src_offset; @@ -926,9 +938,13 @@ int vc4_validate_shader_recs(struct drm_device *dev, struct vc4_exec_info *exec) { + struct vc4_dev *vc4 = to_vc4_dev(dev); uint32_t i; int ret = 0; + if (WARN_ON_ONCE(vc4->is_vc5)) + return -ENODEV; + for (i = 0; i < exec->shader_state_count; i++) { ret = validate_gl_shader_rec(dev, exec, &exec->shader_state[i]); if (ret) diff --git a/drivers/gpu/drm/vc4/vc4_validate_shaders.c b/drivers/gpu/drm/vc4/vc4_validate_shaders.c index 7cf82b071de2..e315aeb5fef5 100644 --- a/drivers/gpu/drm/vc4/vc4_validate_shaders.c +++ b/drivers/gpu/drm/vc4/vc4_validate_shaders.c @@ -778,6 +778,7 @@ vc4_handle_branch_target(struct vc4_shader_validation_state *validation_state) struct vc4_validated_shader_info * vc4_validate_shader(struct drm_gem_cma_object *shader_obj) { + struct vc4_dev *vc4 = to_vc4_dev(shader_obj->base.dev); bool found_shader_end = false; int shader_end_ip = 0; uint32_t last_thread_switch_ip = -3; @@ -785,6 +786,9 @@ vc4_validate_shader(struct drm_gem_cma_object *shader_obj) struct vc4_validated_shader_info *validated_shader = NULL; struct vc4_shader_validation_state validation_state; + if (WARN_ON_ONCE(vc4->is_vc5)) + return NULL; + memset(&validation_state, 0, sizeof(validation_state)); validation_state.shader = shader_obj->vaddr; validation_state.max_ip = shader_obj->base.size / sizeof(uint64_t); diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.c b/drivers/gpu/drm/xen/xen_drm_front_gem.c index 5a5bf4e5b717..e31554d7139f 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_gem.c +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.c @@ -71,7 +71,7 @@ static int xen_drm_front_gem_object_mmap(struct drm_gem_object *gem_obj, * the whole buffer. */ vma->vm_flags &= ~VM_PFNMAP; - vma->vm_flags |= VM_MIXEDMAP; + vma->vm_flags |= VM_MIXEDMAP | VM_DONTEXPAND; vma->vm_pgoff = 0; /* diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c index 5c4cf742f5ae..157e232aace0 100644 --- a/drivers/hwmon/ibmaem.c +++ b/drivers/hwmon/ibmaem.c @@ -550,7 +550,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle) res = platform_device_add(data->pdev); if (res) - goto ipmi_err; + goto dev_add_err; platform_set_drvdata(data->pdev, data); @@ -598,7 +598,9 @@ hwmon_reg_err: ipmi_destroy_user(data->ipmi.user); ipmi_err: platform_set_drvdata(data->pdev, NULL); - platform_device_unregister(data->pdev); + platform_device_del(data->pdev); +dev_add_err: + platform_device_put(data->pdev); dev_err: ida_free(&aem_ida, data->id); id_err: @@ -690,7 +692,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe, res = platform_device_add(data->pdev); if (res) - goto ipmi_err; + goto dev_add_err; platform_set_drvdata(data->pdev, data); @@ -738,7 +740,9 @@ hwmon_reg_err: ipmi_destroy_user(data->ipmi.user); ipmi_err: platform_set_drvdata(data->pdev, NULL); - platform_device_unregister(data->pdev); + platform_device_del(data->pdev); +dev_add_err: + platform_device_put(data->pdev); dev_err: ida_free(&aem_ida, data->id); id_err: diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index ea070b91e5b9..157b73a3da29 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -145,7 +145,7 @@ static int occ_poll(struct occ *occ) cmd[6] = 0; /* checksum lsb */ /* mutex should already be locked if necessary */ - rc = occ->send_cmd(occ, cmd, sizeof(cmd)); + rc = occ->send_cmd(occ, cmd, sizeof(cmd), &occ->resp, sizeof(occ->resp)); if (rc) { occ->last_error = rc; if (occ->error_count++ > OCC_ERROR_COUNT_THRESHOLD) @@ -182,6 +182,7 @@ static int occ_set_user_power_cap(struct occ *occ, u16 user_power_cap) { int rc; u8 cmd[8]; + u8 resp[8]; __be16 user_power_cap_be = cpu_to_be16(user_power_cap); cmd[0] = 0; /* sequence number */ @@ -198,7 +199,7 @@ static int occ_set_user_power_cap(struct occ *occ, u16 user_power_cap) if (rc) return rc; - rc = occ->send_cmd(occ, cmd, sizeof(cmd)); + rc = occ->send_cmd(occ, cmd, sizeof(cmd), resp, sizeof(resp)); mutex_unlock(&occ->lock); diff --git a/drivers/hwmon/occ/common.h b/drivers/hwmon/occ/common.h index 64d5ec7e169b..7ac4b2febce6 100644 --- a/drivers/hwmon/occ/common.h +++ b/drivers/hwmon/occ/common.h @@ -96,7 +96,8 @@ struct occ { int powr_sample_time_us; /* average power sample time */ u8 poll_cmd_data; /* to perform OCC poll command */ - int (*send_cmd)(struct occ *occ, u8 *cmd, size_t len); + int (*send_cmd)(struct occ *occ, u8 *cmd, size_t len, void *resp, + size_t resp_len); unsigned long next_update; struct mutex lock; /* lock OCC access */ diff --git a/drivers/hwmon/occ/p8_i2c.c b/drivers/hwmon/occ/p8_i2c.c index da39ea28df31..b221be1f35f3 100644 --- a/drivers/hwmon/occ/p8_i2c.c +++ b/drivers/hwmon/occ/p8_i2c.c @@ -111,7 +111,8 @@ static int p8_i2c_occ_putscom_be(struct i2c_client *client, u32 address, be32_to_cpu(data1)); } -static int p8_i2c_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len) +static int p8_i2c_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len, + void *resp, size_t resp_len) { int i, rc; unsigned long start; @@ -120,7 +121,7 @@ static int p8_i2c_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len) const long wait_time = msecs_to_jiffies(OCC_CMD_IN_PRG_WAIT_MS); struct p8_i2c_occ *ctx = to_p8_i2c_occ(occ); struct i2c_client *client = ctx->client; - struct occ_response *resp = &occ->resp; + struct occ_response *or = (struct occ_response *)resp; start = jiffies; @@ -151,7 +152,7 @@ static int p8_i2c_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len) return rc; /* wait for OCC */ - if (resp->return_status == OCC_RESP_CMD_IN_PRG) { + if (or->return_status == OCC_RESP_CMD_IN_PRG) { rc = -EALREADY; if (time_after(jiffies, start + timeout)) @@ -163,7 +164,7 @@ static int p8_i2c_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len) } while (rc); /* check the OCC response */ - switch (resp->return_status) { + switch (or->return_status) { case OCC_RESP_CMD_IN_PRG: rc = -ETIMEDOUT; break; @@ -192,8 +193,8 @@ static int p8_i2c_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len) if (rc < 0) return rc; - data_length = get_unaligned_be16(&resp->data_length); - if (data_length > OCC_RESP_DATA_BYTES) + data_length = get_unaligned_be16(&or->data_length); + if ((data_length + 7) > resp_len) return -EMSGSIZE; /* fetch the rest of the response data */ diff --git a/drivers/hwmon/occ/p9_sbe.c b/drivers/hwmon/occ/p9_sbe.c index 42fc7b97bb34..a91937e28e12 100644 --- a/drivers/hwmon/occ/p9_sbe.c +++ b/drivers/hwmon/occ/p9_sbe.c @@ -78,11 +78,10 @@ done: return notify; } -static int p9_sbe_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len) +static int p9_sbe_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len, + void *resp, size_t resp_len) { - struct occ_response *resp = &occ->resp; struct p9_sbe_occ *ctx = to_p9_sbe_occ(occ); - size_t resp_len = sizeof(*resp); int rc; rc = fsi_occ_submit(ctx->sbe, cmd, len, resp, &resp_len); @@ -96,7 +95,7 @@ static int p9_sbe_occ_send_cmd(struct occ *occ, u8 *cmd, size_t len) return rc; } - switch (resp->return_status) { + switch (((struct occ_response *)resp)->return_status) { case OCC_RESP_CMD_IN_PRG: rc = -ETIMEDOUT; break; diff --git a/drivers/hwmon/pmbus/ucd9200.c b/drivers/hwmon/pmbus/ucd9200.c index 6bc3273e31e7..3ad375a76f3e 100644 --- a/drivers/hwmon/pmbus/ucd9200.c +++ b/drivers/hwmon/pmbus/ucd9200.c @@ -148,7 +148,7 @@ static int ucd9200_probe(struct i2c_client *client) * This only affects the READ_IOUT and READ_TEMPERATURE2 registers. * READ_IOUT will return the sum of currents of all phases of a rail, * and READ_TEMPERATURE2 will return the maximum temperature detected - * for the the phases of the rail. + * for the phases of the rail. */ for (i = 0; i < info->pages; i++) { /* diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index 4f73bc827eec..9c9e98578667 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -1006,11 +1006,12 @@ static int bma180_probe(struct i2c_client *client, data->trig->ops = &bma180_trigger_ops; iio_trigger_set_drvdata(data->trig, indio_dev); - indio_dev->trig = iio_trigger_get(data->trig); ret = iio_trigger_register(data->trig); if (ret) goto err_trigger_free; + + indio_dev->trig = iio_trigger_get(data->trig); } ret = iio_triggered_buffer_setup(indio_dev, NULL, diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index ac74cdcd2bc8..748b35c2f0c3 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1554,12 +1554,12 @@ static int kxcjk1013_probe(struct i2c_client *client, data->dready_trig->ops = &kxcjk1013_trigger_ops; iio_trigger_set_drvdata(data->dready_trig, indio_dev); - indio_dev->trig = data->dready_trig; - iio_trigger_get(indio_dev->trig); ret = iio_trigger_register(data->dready_trig); if (ret) goto err_poweroff; + indio_dev->trig = iio_trigger_get(data->dready_trig); + data->motion_trig->ops = &kxcjk1013_trigger_ops; iio_trigger_set_drvdata(data->motion_trig, indio_dev); ret = iio_trigger_register(data->motion_trig); diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 912a447e6310..c7d9ca96dbaa 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1511,10 +1511,14 @@ static int mma8452_reset(struct i2c_client *client) int i; int ret; - ret = i2c_smbus_write_byte_data(client, MMA8452_CTRL_REG2, + /* + * Find on fxls8471, after config reset bit, it reset immediately, + * and will not give ACK, so here do not check the return value. + * The following code will read the reset register, and check whether + * this reset works. + */ + i2c_smbus_write_byte_data(client, MMA8452_CTRL_REG2, MMA8452_CTRL_REG2_RST); - if (ret < 0) - return ret; for (i = 0; i < 10; i++) { usleep_range(100, 200); @@ -1557,11 +1561,13 @@ static int mma8452_probe(struct i2c_client *client, mutex_init(&data->lock); data->chip_info = device_get_match_data(&client->dev); - if (!data->chip_info && id) { - data->chip_info = &mma_chip_info_table[id->driver_data]; - } else { - dev_err(&client->dev, "unknown device model\n"); - return -ENODEV; + if (!data->chip_info) { + if (id) { + data->chip_info = &mma_chip_info_table[id->driver_data]; + } else { + dev_err(&client->dev, "unknown device model\n"); + return -ENODEV; + } } ret = iio_read_mount_matrix(&client->dev, &data->orientation); diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c index b3afbf064915..df600d2917c0 100644 --- a/drivers/iio/accel/mxc4005.c +++ b/drivers/iio/accel/mxc4005.c @@ -456,8 +456,6 @@ static int mxc4005_probe(struct i2c_client *client, data->dready_trig->ops = &mxc4005_trigger_ops; iio_trigger_set_drvdata(data->dready_trig, indio_dev); - indio_dev->trig = data->dready_trig; - iio_trigger_get(indio_dev->trig); ret = devm_iio_trigger_register(&client->dev, data->dready_trig); if (ret) { @@ -465,6 +463,8 @@ static int mxc4005_probe(struct i2c_client *client, "failed to register trigger\n"); return ret; } + + indio_dev->trig = iio_trigger_get(data->dready_trig); } return devm_iio_device_register(&client->dev, indio_dev); diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index a73e3c2d212f..a9e655e69eaa 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -322,16 +322,19 @@ static struct adi_axi_adc_client *adi_axi_adc_attach_client(struct device *dev) if (!try_module_get(cl->dev->driver->owner)) { mutex_unlock(®istered_clients_lock); + of_node_put(cln); return ERR_PTR(-ENODEV); } get_device(cl->dev); cl->info = info; mutex_unlock(®istered_clients_lock); + of_node_put(cln); return cl; } mutex_unlock(®istered_clients_lock); + of_node_put(cln); return ERR_PTR(-EPROBE_DEFER); } diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c index 0793d2474cdc..9341e0e0eb55 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -186,6 +186,7 @@ static int aspeed_adc_set_trim_data(struct iio_dev *indio_dev) return -EOPNOTSUPP; } scu = syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(scu)) { dev_warn(data->dev, "Failed to get syscon regmap\n"); return -EOPNOTSUPP; diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c index a4b8be5b8f88..580361bd9849 100644 --- a/drivers/iio/adc/axp288_adc.c +++ b/drivers/iio/adc/axp288_adc.c @@ -196,6 +196,14 @@ static const struct dmi_system_id axp288_adc_ts_bias_override[] = { }, .driver_data = (void *)(uintptr_t)AXP288_ADC_TS_BIAS_80UA, }, + { + /* Nuvision Solo 10 Draw */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TMAX"), + DMI_MATCH(DMI_PRODUCT_NAME, "TM101W610L"), + }, + .driver_data = (void *)(uintptr_t)AXP288_ADC_TS_BIAS_80UA, + }, {} }; diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c index 7585144b9715..5b09a93fdf34 100644 --- a/drivers/iio/adc/rzg2l_adc.c +++ b/drivers/iio/adc/rzg2l_adc.c @@ -334,11 +334,15 @@ static int rzg2l_adc_parse_properties(struct platform_device *pdev, struct rzg2l i = 0; device_for_each_child_node(&pdev->dev, fwnode) { ret = fwnode_property_read_u32(fwnode, "reg", &channel); - if (ret) + if (ret) { + fwnode_handle_put(fwnode); return ret; + } - if (channel >= RZG2L_ADC_MAX_CHANNELS) + if (channel >= RZG2L_ADC_MAX_CHANNELS) { + fwnode_handle_put(fwnode); return -EINVAL; + } chan_array[i].type = IIO_VOLTAGE; chan_array[i].indexed = 1; diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c index 142656232157..3efb8c404ccc 100644 --- a/drivers/iio/adc/stm32-adc-core.c +++ b/drivers/iio/adc/stm32-adc-core.c @@ -64,6 +64,7 @@ struct stm32_adc_priv; * @max_clk_rate_hz: maximum analog clock rate (Hz, from datasheet) * @has_syscfg: SYSCFG capability flags * @num_irqs: number of interrupt lines + * @num_adcs: maximum number of ADC instances in the common registers */ struct stm32_adc_priv_cfg { const struct stm32_adc_common_regs *regs; @@ -71,6 +72,7 @@ struct stm32_adc_priv_cfg { u32 max_clk_rate_hz; unsigned int has_syscfg; unsigned int num_irqs; + unsigned int num_adcs; }; /** @@ -352,7 +354,7 @@ static void stm32_adc_irq_handler(struct irq_desc *desc) * before invoking the interrupt handler (e.g. call ISR only for * IRQ-enabled ADCs). */ - for (i = 0; i < priv->cfg->num_irqs; i++) { + for (i = 0; i < priv->cfg->num_adcs; i++) { if ((status & priv->cfg->regs->eoc_msk[i] && stm32_adc_eoc_enabled(priv, i)) || (status & priv->cfg->regs->ovr_msk[i])) @@ -792,6 +794,7 @@ static const struct stm32_adc_priv_cfg stm32f4_adc_priv_cfg = { .clk_sel = stm32f4_adc_clk_sel, .max_clk_rate_hz = 36000000, .num_irqs = 1, + .num_adcs = 3, }; static const struct stm32_adc_priv_cfg stm32h7_adc_priv_cfg = { @@ -800,14 +803,16 @@ static const struct stm32_adc_priv_cfg stm32h7_adc_priv_cfg = { .max_clk_rate_hz = 36000000, .has_syscfg = HAS_VBOOSTER, .num_irqs = 1, + .num_adcs = 2, }; static const struct stm32_adc_priv_cfg stm32mp1_adc_priv_cfg = { .regs = &stm32h7_adc_common_regs, .clk_sel = stm32h7_adc_clk_sel, - .max_clk_rate_hz = 40000000, + .max_clk_rate_hz = 36000000, .has_syscfg = HAS_VBOOSTER | HAS_ANASWVDD, .num_irqs = 2, + .num_adcs = 2, }; static const struct of_device_id stm32_adc_of_match[] = { diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index a68ecbda6480..11ef873d6453 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -1365,7 +1365,7 @@ static int stm32_adc_read_raw(struct iio_dev *indio_dev, else ret = -EINVAL; - if (mask == IIO_CHAN_INFO_PROCESSED && adc->vrefint.vrefint_cal) + if (mask == IIO_CHAN_INFO_PROCESSED) *val = STM32_ADC_VREFINT_VOLTAGE * adc->vrefint.vrefint_cal / *val; iio_device_release_direct_mode(indio_dev); @@ -1407,7 +1407,6 @@ static irqreturn_t stm32_adc_threaded_isr(int irq, void *data) struct stm32_adc *adc = iio_priv(indio_dev); const struct stm32_adc_regspec *regs = adc->cfg->regs; u32 status = stm32_adc_readl(adc, regs->isr_eoc.reg); - u32 mask = stm32_adc_readl(adc, regs->ier_eoc.reg); /* Check ovr status right now, as ovr mask should be already disabled */ if (status & regs->isr_ovr.mask) { @@ -1422,11 +1421,6 @@ static irqreturn_t stm32_adc_threaded_isr(int irq, void *data) return IRQ_HANDLED; } - if (!(status & mask)) - dev_err_ratelimited(&indio_dev->dev, - "Unexpected IRQ: IER=0x%08x, ISR=0x%08x\n", - mask, status); - return IRQ_NONE; } @@ -1436,10 +1430,6 @@ static irqreturn_t stm32_adc_isr(int irq, void *data) struct stm32_adc *adc = iio_priv(indio_dev); const struct stm32_adc_regspec *regs = adc->cfg->regs; u32 status = stm32_adc_readl(adc, regs->isr_eoc.reg); - u32 mask = stm32_adc_readl(adc, regs->ier_eoc.reg); - - if (!(status & mask)) - return IRQ_WAKE_THREAD; if (status & regs->isr_ovr.mask) { /* @@ -1979,10 +1969,10 @@ static int stm32_adc_populate_int_ch(struct iio_dev *indio_dev, const char *ch_n for (i = 0; i < STM32_ADC_INT_CH_NB; i++) { if (!strncmp(stm32_adc_ic[i].name, ch_name, STM32_ADC_CH_SZ)) { - adc->int_ch[i] = chan; - - if (stm32_adc_ic[i].idx != STM32_ADC_INT_CH_VREFINT) - continue; + if (stm32_adc_ic[i].idx != STM32_ADC_INT_CH_VREFINT) { + adc->int_ch[i] = chan; + break; + } /* Get calibration data for vrefint channel */ ret = nvmem_cell_read_u16(&indio_dev->dev, "vrefint", &vrefint); @@ -1990,10 +1980,15 @@ static int stm32_adc_populate_int_ch(struct iio_dev *indio_dev, const char *ch_n return dev_err_probe(indio_dev->dev.parent, ret, "nvmem access error\n"); } - if (ret == -ENOENT) - dev_dbg(&indio_dev->dev, "vrefint calibration not found\n"); - else - adc->vrefint.vrefint_cal = vrefint; + if (ret == -ENOENT) { + dev_dbg(&indio_dev->dev, "vrefint calibration not found. Skip vrefint channel\n"); + return ret; + } else if (!vrefint) { + dev_dbg(&indio_dev->dev, "Null vrefint calibration value. Skip vrefint channel\n"); + return -ENOENT; + } + adc->int_ch[i] = chan; + adc->vrefint.vrefint_cal = vrefint; } } @@ -2030,7 +2025,9 @@ static int stm32_adc_generic_chan_init(struct iio_dev *indio_dev, } strncpy(adc->chan_name[val], name, STM32_ADC_CH_SZ); ret = stm32_adc_populate_int_ch(indio_dev, name, val); - if (ret) + if (ret == -ENOENT) + continue; + else if (ret) goto err; } else if (ret != -EINVAL) { dev_err(&indio_dev->dev, "Invalid label %d\n", ret); diff --git a/drivers/iio/adc/ti-ads131e08.c b/drivers/iio/adc/ti-ads131e08.c index 0c2025a22575..80a09817c119 100644 --- a/drivers/iio/adc/ti-ads131e08.c +++ b/drivers/iio/adc/ti-ads131e08.c @@ -739,7 +739,7 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) device_for_each_child_node(dev, node) { ret = fwnode_property_read_u32(node, "reg", &channel); if (ret) - return ret; + goto err_child_out; ret = fwnode_property_read_u32(node, "ti,gain", &tmp); if (ret) { @@ -747,7 +747,7 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) } else { ret = ads131e08_pga_gain_to_field_value(st, tmp); if (ret < 0) - return ret; + goto err_child_out; channel_config[i].pga_gain = tmp; } @@ -758,7 +758,7 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) } else { ret = ads131e08_validate_channel_mux(st, tmp); if (ret) - return ret; + goto err_child_out; channel_config[i].mux = tmp; } @@ -784,6 +784,10 @@ static int ads131e08_alloc_channels(struct iio_dev *indio_dev) st->channel_config = channel_config; return 0; + +err_child_out: + fwnode_handle_put(node); + return ret; } static void ads131e08_regulator_disable(void *data) diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c index a55396c1f8b2..a7687706012d 100644 --- a/drivers/iio/adc/xilinx-ams.c +++ b/drivers/iio/adc/xilinx-ams.c @@ -1409,7 +1409,7 @@ static int ams_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) - return ret; + return irq; ret = devm_request_irq(&pdev->dev, irq, &ams_irq, 0, "ams-irq", indio_dev); diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c index c6cf709f0f05..6949d2151025 100644 --- a/drivers/iio/afe/iio-rescale.c +++ b/drivers/iio/afe/iio-rescale.c @@ -277,7 +277,7 @@ static int rescale_configure_channel(struct device *dev, chan->ext_info = rescale->ext_info; chan->type = rescale->cfg->type; - if (iio_channel_has_info(schan, IIO_CHAN_INFO_RAW) || + if (iio_channel_has_info(schan, IIO_CHAN_INFO_RAW) && iio_channel_has_info(schan, IIO_CHAN_INFO_SCALE)) { dev_info(dev, "using raw+scale source channel\n"); } else if (iio_channel_has_info(schan, IIO_CHAN_INFO_PROCESSED)) { diff --git a/drivers/iio/chemical/ccs811.c b/drivers/iio/chemical/ccs811.c index 847194fa1e46..80ef1aa9aae3 100644 --- a/drivers/iio/chemical/ccs811.c +++ b/drivers/iio/chemical/ccs811.c @@ -499,11 +499,11 @@ static int ccs811_probe(struct i2c_client *client, data->drdy_trig->ops = &ccs811_trigger_ops; iio_trigger_set_drvdata(data->drdy_trig, indio_dev); - indio_dev->trig = data->drdy_trig; - iio_trigger_get(indio_dev->trig); ret = iio_trigger_register(data->drdy_trig); if (ret) goto err_poweroff; + + indio_dev->trig = iio_trigger_get(data->drdy_trig); } ret = iio_triggered_buffer_setup(indio_dev, NULL, diff --git a/drivers/iio/frequency/admv1014.c b/drivers/iio/frequency/admv1014.c index a7994f8e6b9b..1aac5665b5de 100644 --- a/drivers/iio/frequency/admv1014.c +++ b/drivers/iio/frequency/admv1014.c @@ -700,8 +700,10 @@ static int admv1014_init(struct admv1014_state *st) ADMV1014_DET_EN_MSK; enable_reg = FIELD_PREP(ADMV1014_P1DB_COMPENSATION_MSK, st->p1db_comp ? 3 : 0) | - FIELD_PREP(ADMV1014_IF_AMP_PD_MSK, !(st->input_mode)) | - FIELD_PREP(ADMV1014_BB_AMP_PD_MSK, st->input_mode) | + FIELD_PREP(ADMV1014_IF_AMP_PD_MSK, + (st->input_mode == ADMV1014_IF_MODE) ? 0 : 1) | + FIELD_PREP(ADMV1014_BB_AMP_PD_MSK, + (st->input_mode == ADMV1014_IF_MODE) ? 1 : 0) | FIELD_PREP(ADMV1014_DET_EN_MSK, st->det_en); return __admv1014_spi_update_bits(st, ADMV1014_REG_ENABLE, enable_reg_msk, enable_reg); diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c index 4f19dc7ffe57..5908a96ca8af 100644 --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -875,6 +875,7 @@ static int mpu3050_power_up(struct mpu3050 *mpu3050) ret = regmap_update_bits(mpu3050->map, MPU3050_PWR_MGM, MPU3050_PWR_MGM_SLEEP, 0); if (ret) { + regulator_bulk_disable(ARRAY_SIZE(mpu3050->regs), mpu3050->regs); dev_err(mpu3050->dev, "error setting power mode\n"); return ret; } diff --git a/drivers/iio/humidity/hts221_buffer.c b/drivers/iio/humidity/hts221_buffer.c index f29692b9d2db..66b32413cf5e 100644 --- a/drivers/iio/humidity/hts221_buffer.c +++ b/drivers/iio/humidity/hts221_buffer.c @@ -135,9 +135,12 @@ int hts221_allocate_trigger(struct iio_dev *iio_dev) iio_trigger_set_drvdata(hw->trig, iio_dev); hw->trig->ops = &hts221_trigger_ops; + + err = devm_iio_trigger_register(hw->dev, hw->trig); + iio_dev->trig = iio_trigger_get(hw->trig); - return devm_iio_trigger_register(hw->dev, hw->trig); + return err; } static int hts221_buffer_preenable(struct iio_dev *iio_dev) diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600.h b/drivers/iio/imu/inv_icm42600/inv_icm42600.h index c0f5059b13b3..995a9dc06521 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600.h +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600.h @@ -17,6 +17,7 @@ #include "inv_icm42600_buffer.h" enum inv_icm42600_chip { + INV_CHIP_INVALID, INV_CHIP_ICM42600, INV_CHIP_ICM42602, INV_CHIP_ICM42605, diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c index 86858da9cc38..ca85fccc9839 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c @@ -565,7 +565,7 @@ int inv_icm42600_core_probe(struct regmap *regmap, int chip, int irq, bool open_drain; int ret; - if (chip < 0 || chip >= INV_CHIP_NB) { + if (chip <= INV_CHIP_INVALID || chip >= INV_CHIP_NB) { dev_err(dev, "invalid chip = %d\n", chip); return -ENODEV; } diff --git a/drivers/iio/magnetometer/yamaha-yas530.c b/drivers/iio/magnetometer/yamaha-yas530.c index 9ff7b0e56cf6..b2bc637150bf 100644 --- a/drivers/iio/magnetometer/yamaha-yas530.c +++ b/drivers/iio/magnetometer/yamaha-yas530.c @@ -639,7 +639,7 @@ static int yas532_get_calibration_data(struct yas5xx *yas5xx) dev_dbg(yas5xx->dev, "calibration data: %*ph\n", 14, data); /* Sanity check, is this all zeroes? */ - if (memchr_inv(data, 0x00, 13)) { + if (memchr_inv(data, 0x00, 13) == NULL) { if (!(data[13] & BIT(7))) dev_warn(yas5xx->dev, "calibration is blank!\n"); } diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c index 70c37f664f6d..63fbcaa4cac8 100644 --- a/drivers/iio/proximity/sx9324.c +++ b/drivers/iio/proximity/sx9324.c @@ -885,6 +885,9 @@ sx9324_get_default_reg(struct device *dev, int idx, break; ret = device_property_read_u32_array(dev, prop, pin_defs, ARRAY_SIZE(pin_defs)); + if (ret) + break; + for (pin = 0; pin < SX9324_NUM_PINS; pin++) raw |= (pin_defs[pin] << (2 * pin)) & SX9324_REG_AFE_PH0_PIN_MASK(pin); diff --git a/drivers/iio/test/Kconfig b/drivers/iio/test/Kconfig index 56ca0ad7e77a..4c66c3f18c34 100644 --- a/drivers/iio/test/Kconfig +++ b/drivers/iio/test/Kconfig @@ -6,7 +6,7 @@ # Keep in alphabetical order config IIO_RESCALE_KUNIT_TEST bool "Test IIO rescale conversion functions" - depends on KUNIT=y && !IIO_RESCALE + depends on KUNIT=y && IIO_RESCALE=y default KUNIT_ALL_TESTS help If you want to run tests on the iio-rescale code say Y here. diff --git a/drivers/iio/test/Makefile b/drivers/iio/test/Makefile index f15ae0a6394f..880360f8d02c 100644 --- a/drivers/iio/test/Makefile +++ b/drivers/iio/test/Makefile @@ -4,6 +4,6 @@ # # Keep in alphabetical order -obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o ../afe/iio-rescale.o +obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o obj-$(CONFIG_IIO_TEST_FORMAT) += iio-test-format.o CFLAGS_iio-test-format.o += $(DISABLE_STRUCTLEAK_PLUGIN) diff --git a/drivers/iio/trigger/iio-trig-sysfs.c b/drivers/iio/trigger/iio-trig-sysfs.c index f1a8704e6cc1..d6c5e9644738 100644 --- a/drivers/iio/trigger/iio-trig-sysfs.c +++ b/drivers/iio/trigger/iio-trig-sysfs.c @@ -190,6 +190,7 @@ static int iio_sysfs_trigger_remove(int id) } iio_trigger_unregister(t->trig); + irq_work_sync(&t->work); iio_trigger_free(t->trig); list_del(&t->l); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 1c107d6d03b9..b985e0d9bc05 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1252,8 +1252,10 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device, return ERR_CAST(cm_id_priv); err = cm_init_listen(cm_id_priv, service_id, 0); - if (err) + if (err) { + ib_destroy_cm_id(&cm_id_priv->id); return ERR_PTR(err); + } spin_lock_irq(&cm_id_priv->lock); listen_id_priv = cm_insert_listen(cm_id_priv, cm_handler); diff --git a/drivers/infiniband/hw/qedr/qedr.h b/drivers/infiniband/hw/qedr/qedr.h index 8def88cfa300..db9ef3e1eb97 100644 --- a/drivers/infiniband/hw/qedr/qedr.h +++ b/drivers/infiniband/hw/qedr/qedr.h @@ -418,6 +418,7 @@ struct qedr_qp { u32 sq_psn; u32 qkey; u32 dest_qp_num; + u8 timeout; /* Relevant to qps created from kernel space only (ULPs) */ u8 prev_wqe_size; diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index f0f43b6db89e..03ed7c0fae50 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -2613,6 +2613,8 @@ int qedr_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 1 << max_t(int, attr->timeout - 8, 0); else qp_params.ack_timeout = 0; + + qp->timeout = attr->timeout; } if (attr_mask & IB_QP_RETRY_CNT) { @@ -2772,7 +2774,7 @@ int qedr_query_qp(struct ib_qp *ibqp, rdma_ah_set_dgid_raw(&qp_attr->ah_attr, ¶ms.dgid.bytes[0]); rdma_ah_set_port_num(&qp_attr->ah_attr, 1); rdma_ah_set_sl(&qp_attr->ah_attr, 0); - qp_attr->timeout = params.timeout; + qp_attr->timeout = qp->timeout; qp_attr->rnr_retry = params.rnr_retry; qp_attr->retry_cnt = params.retry_cnt; qp_attr->min_rnr_timer = params.min_rnr_nak_timer; diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 8fdb84b3642b..1d42084d0276 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -987,7 +987,7 @@ static const struct of_device_id ipmmu_of_ids[] = { .compatible = "renesas,ipmmu-r8a779a0", .data = &ipmmu_features_rcar_gen4, }, { - .compatible = "renesas,rcar-gen4-ipmmu", + .compatible = "renesas,rcar-gen4-ipmmu-vmsa", .data = &ipmmu_features_rcar_gen4, }, { /* Terminator */ diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h index 54c0473a51dd..c954ff91870e 100644 --- a/drivers/md/dm-core.h +++ b/drivers/md/dm-core.h @@ -272,6 +272,7 @@ struct dm_io { atomic_t io_count; struct mapped_device *md; + struct bio *split_bio; /* The three fields represent mapped part of original bio */ struct bio *orig_bio; unsigned int sector_offset; /* offset to end of orig_bio */ diff --git a/drivers/md/dm-era-target.c b/drivers/md/dm-era-target.c index 1f6bf152b3c7..e92c1afc3677 100644 --- a/drivers/md/dm-era-target.c +++ b/drivers/md/dm-era-target.c @@ -1400,7 +1400,7 @@ static void start_worker(struct era *era) static void stop_worker(struct era *era) { atomic_set(&era->suspended, 1); - flush_workqueue(era->wq); + drain_workqueue(era->wq); } /*---------------------------------------------------------------- @@ -1570,6 +1570,12 @@ static void era_postsuspend(struct dm_target *ti) } stop_worker(era); + + r = metadata_commit(era->md); + if (r) { + DMERR("%s: metadata_commit failed", __func__); + /* FIXME: fail mode */ + } } static int era_preresume(struct dm_target *ti) diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 2dda05aada23..0c6620e7b7bf 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -615,7 +615,7 @@ static int disk_resume(struct dm_dirty_log *log) log_clear_bit(lc, lc->clean_bits, i); /* clear any old bits -- device has shrunk */ - for (i = lc->region_count; i % (sizeof(*lc->clean_bits) << BYTE_SHIFT); i++) + for (i = lc->region_count; i % BITS_PER_LONG; i++) log_clear_bit(lc, lc->clean_bits, i); /* copy clean across to sync */ diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 9526ccbedafb..80c9f7134e9b 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1001,12 +1001,13 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size) static int validate_raid_redundancy(struct raid_set *rs) { unsigned int i, rebuild_cnt = 0; - unsigned int rebuilds_per_group = 0, copies; + unsigned int rebuilds_per_group = 0, copies, raid_disks; unsigned int group_size, last_group_start; - for (i = 0; i < rs->md.raid_disks; i++) - if (!test_bit(In_sync, &rs->dev[i].rdev.flags) || - !rs->dev[i].rdev.sb_page) + for (i = 0; i < rs->raid_disks; i++) + if (!test_bit(FirstUse, &rs->dev[i].rdev.flags) && + ((!test_bit(In_sync, &rs->dev[i].rdev.flags) || + !rs->dev[i].rdev.sb_page))) rebuild_cnt++; switch (rs->md.level) { @@ -1046,8 +1047,9 @@ static int validate_raid_redundancy(struct raid_set *rs) * A A B B C * C D D E E */ + raid_disks = min(rs->raid_disks, rs->md.raid_disks); if (__is_raid10_near(rs->md.new_layout)) { - for (i = 0; i < rs->md.raid_disks; i++) { + for (i = 0; i < raid_disks; i++) { if (!(i % copies)) rebuilds_per_group = 0; if ((!rs->dev[i].rdev.sb_page || @@ -1070,10 +1072,10 @@ static int validate_raid_redundancy(struct raid_set *rs) * results in the need to treat the last (potentially larger) * set differently. */ - group_size = (rs->md.raid_disks / copies); - last_group_start = (rs->md.raid_disks / group_size) - 1; + group_size = (raid_disks / copies); + last_group_start = (raid_disks / group_size) - 1; last_group_start *= group_size; - for (i = 0; i < rs->md.raid_disks; i++) { + for (i = 0; i < raid_disks; i++) { if (!(i % copies) && !(i > last_group_start)) rebuilds_per_group = 0; if ((!rs->dev[i].rdev.sb_page || @@ -1588,7 +1590,7 @@ static sector_t __rdev_sectors(struct raid_set *rs) { int i; - for (i = 0; i < rs->md.raid_disks; i++) { + for (i = 0; i < rs->raid_disks; i++) { struct md_rdev *rdev = &rs->dev[i].rdev; if (!test_bit(Journal, &rdev->flags) && @@ -3766,13 +3768,13 @@ static int raid_iterate_devices(struct dm_target *ti, unsigned int i; int r = 0; - for (i = 0; !r && i < rs->md.raid_disks; i++) - if (rs->dev[i].data_dev) - r = fn(ti, - rs->dev[i].data_dev, - 0, /* No offset on data devs */ - rs->md.dev_sectors, - data); + for (i = 0; !r && i < rs->raid_disks; i++) { + if (rs->dev[i].data_dev) { + r = fn(ti, rs->dev[i].data_dev, + 0, /* No offset on data devs */ + rs->md.dev_sectors, data); + } + } return r; } diff --git a/drivers/md/dm.c b/drivers/md/dm.c index b6b25d319ef7..2b75f1ef7386 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -594,6 +594,7 @@ static struct dm_io *alloc_io(struct mapped_device *md, struct bio *bio) atomic_set(&io->io_count, 2); this_cpu_inc(*md->pending_io); io->orig_bio = bio; + io->split_bio = NULL; io->md = md; spin_lock_init(&io->lock); io->start_time = jiffies; @@ -887,7 +888,7 @@ static void dm_io_complete(struct dm_io *io) { blk_status_t io_error; struct mapped_device *md = io->md; - struct bio *bio = io->orig_bio; + struct bio *bio = io->split_bio ? io->split_bio : io->orig_bio; if (io->status == BLK_STS_DM_REQUEUE) { unsigned long flags; @@ -939,9 +940,11 @@ static void dm_io_complete(struct dm_io *io) if (io_error == BLK_STS_AGAIN) { /* io_uring doesn't handle BLK_STS_AGAIN (yet) */ queue_io(md, bio); + return; } } - return; + if (io_error == BLK_STS_DM_REQUEUE) + return; } if (bio_is_flush_with_data(bio)) { @@ -1691,9 +1694,11 @@ static void dm_split_and_process_bio(struct mapped_device *md, * Remainder must be passed to submit_bio_noacct() so it gets handled * *after* bios already submitted have been completely processed. */ - bio_trim(bio, io->sectors, ci.sector_count); - trace_block_split(bio, bio->bi_iter.bi_sector); - bio_inc_remaining(bio); + WARN_ON_ONCE(!dm_io_flagged(io, DM_IO_WAS_SPLIT)); + io->split_bio = bio_split(bio, io->sectors, GFP_NOIO, + &md->queue->bio_split); + bio_chain(io->split_bio, bio); + trace_block_split(io->split_bio, bio->bi_iter.bi_sector); submit_bio_noacct(bio); out: /* diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 5d09256d7f81..20e53b167f81 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7933,7 +7933,7 @@ static int raid5_remove_disk(struct mddev *mddev, struct md_rdev *rdev) int err = 0; int number = rdev->raid_disk; struct md_rdev __rcu **rdevp; - struct disk_info *p = conf->disks + number; + struct disk_info *p; struct md_rdev *tmp; print_raid5_conf(conf); @@ -7952,6 +7952,9 @@ static int raid5_remove_disk(struct mddev *mddev, struct md_rdev *rdev) log_exit(conf); return 0; } + if (unlikely(number >= conf->pool_size)) + return 0; + p = conf->disks + number; if (rdev == rcu_access_pointer(p->rdev)) rdevp = &p->rdev; else if (rdev == rcu_access_pointer(p->replacement)) @@ -8062,6 +8065,7 @@ static int raid5_add_disk(struct mddev *mddev, struct md_rdev *rdev) */ if (rdev->saved_raid_disk >= 0 && rdev->saved_raid_disk >= first && + rdev->saved_raid_disk <= last && conf->disks[rdev->saved_raid_disk].rdev == NULL) first = rdev->saved_raid_disk; diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig index b7800b37af78..ac1a411648d8 100644 --- a/drivers/memory/Kconfig +++ b/drivers/memory/Kconfig @@ -105,6 +105,7 @@ config TI_EMIF config OMAP_GPMC tristate "Texas Instruments OMAP SoC GPMC driver" depends on OF_ADDRESS + depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST select GPIOLIB help This driver is for the General Purpose Memory Controller (GPMC) diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c index 86a3d34f418e..4c5154e0bf00 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -404,13 +404,16 @@ static int mtk_smi_device_link_common(struct device *dev, struct device **com_de of_node_put(smi_com_node); if (smi_com_pdev) { /* smi common is the supplier, Make sure it is ready before */ - if (!platform_get_drvdata(smi_com_pdev)) + if (!platform_get_drvdata(smi_com_pdev)) { + put_device(&smi_com_pdev->dev); return -EPROBE_DEFER; + } smi_com_dev = &smi_com_pdev->dev; link = device_link_add(dev, smi_com_dev, DL_FLAG_PM_RUNTIME | DL_FLAG_STATELESS); if (!link) { dev_err(dev, "Unable to link smi-common dev\n"); + put_device(&smi_com_pdev->dev); return -ENODEV; } *com_dev = smi_com_dev; diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 4733e7898ffe..c491cd549644 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -1187,33 +1187,39 @@ static int of_get_dram_timings(struct exynos5_dmc *dmc) dmc->timing_row = devm_kmalloc_array(dmc->dev, TIMING_COUNT, sizeof(u32), GFP_KERNEL); - if (!dmc->timing_row) - return -ENOMEM; + if (!dmc->timing_row) { + ret = -ENOMEM; + goto put_node; + } dmc->timing_data = devm_kmalloc_array(dmc->dev, TIMING_COUNT, sizeof(u32), GFP_KERNEL); - if (!dmc->timing_data) - return -ENOMEM; + if (!dmc->timing_data) { + ret = -ENOMEM; + goto put_node; + } dmc->timing_power = devm_kmalloc_array(dmc->dev, TIMING_COUNT, sizeof(u32), GFP_KERNEL); - if (!dmc->timing_power) - return -ENOMEM; + if (!dmc->timing_power) { + ret = -ENOMEM; + goto put_node; + } dmc->timings = of_lpddr3_get_ddr_timings(np_ddr, dmc->dev, DDR_TYPE_LPDDR3, &dmc->timings_arr_size); if (!dmc->timings) { - of_node_put(np_ddr); dev_warn(dmc->dev, "could not get timings from DT\n"); - return -EINVAL; + ret = -EINVAL; + goto put_node; } dmc->min_tck = of_lpddr3_get_min_tck(np_ddr, dmc->dev); if (!dmc->min_tck) { - of_node_put(np_ddr); dev_warn(dmc->dev, "could not get tck from DT\n"); - return -EINVAL; + ret = -EINVAL; + goto put_node; } /* Sorted array of OPPs with frequency ascending */ @@ -1227,13 +1233,14 @@ static int of_get_dram_timings(struct exynos5_dmc *dmc) clk_period_ps); } - of_node_put(np_ddr); /* Take the highest frequency's timings as 'bypass' */ dmc->bypass_timing_row = dmc->timing_row[idx - 1]; dmc->bypass_timing_data = dmc->timing_data[idx - 1]; dmc->bypass_timing_power = dmc->timing_power[idx - 1]; +put_node: + of_node_put(np_ddr); return ret; } diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 195dc897188b..9da4489dc345 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -1356,7 +1356,7 @@ static void msdc_data_xfer_next(struct msdc_host *host, struct mmc_request *mrq) msdc_request_done(host, mrq); } -static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, +static void msdc_data_xfer_done(struct msdc_host *host, u32 events, struct mmc_request *mrq, struct mmc_data *data) { struct mmc_command *stop; @@ -1376,7 +1376,7 @@ static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, spin_unlock_irqrestore(&host->lock, flags); if (done) - return true; + return; stop = data->stop; if (check_data || (stop && stop->error)) { @@ -1385,12 +1385,15 @@ static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, 1); + ret = readl_poll_timeout_atomic(host->base + MSDC_DMA_CTRL, val, + !(val & MSDC_DMA_CTRL_STOP), 1, 20000); + if (ret) + dev_dbg(host->dev, "DMA stop timed out\n"); + ret = readl_poll_timeout_atomic(host->base + MSDC_DMA_CFG, val, !(val & MSDC_DMA_CFG_STS), 1, 20000); - if (ret) { - dev_dbg(host->dev, "DMA stop timed out\n"); - return false; - } + if (ret) + dev_dbg(host->dev, "DMA inactive timed out\n"); sdr_clr_bits(host->base + MSDC_INTEN, data_ints_mask); dev_dbg(host->dev, "DMA stop\n"); @@ -1415,9 +1418,7 @@ static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, } msdc_data_xfer_next(host, mrq); - done = true; } - return done; } static void msdc_set_buswidth(struct msdc_host *host, u32 width) @@ -2416,6 +2417,9 @@ static void msdc_cqe_disable(struct mmc_host *mmc, bool recovery) if (recovery) { sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, 1); + if (WARN_ON(readl_poll_timeout(host->base + MSDC_DMA_CTRL, val, + !(val & MSDC_DMA_CTRL_STOP), 1, 3000))) + return; if (WARN_ON(readl_poll_timeout(host->base + MSDC_DMA_CFG, val, !(val & MSDC_DMA_CFG_STS), 1, 3000))) return; diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c index 92c20cb8074a..0d4d343dbb77 100644 --- a/drivers/mmc/host/sdhci-pci-o2micro.c +++ b/drivers/mmc/host/sdhci-pci-o2micro.c @@ -152,6 +152,8 @@ static int sdhci_o2_get_cd(struct mmc_host *mmc) if (!(sdhci_readw(host, O2_PLL_DLL_WDT_CONTROL1) & O2_PLL_LOCK_STATUS)) sdhci_o2_enable_internal_clock(host); + else + sdhci_o2_wait_card_detect_stable(host); return !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); } diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index 0b68d05846e1..889e40329956 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -890,7 +890,7 @@ static int gpmi_nfc_compute_timings(struct gpmi_nand_data *this, hw->timing0 = BF_GPMI_TIMING0_ADDRESS_SETUP(addr_setup_cycles) | BF_GPMI_TIMING0_DATA_HOLD(data_hold_cycles) | BF_GPMI_TIMING0_DATA_SETUP(data_setup_cycles); - hw->timing1 = BF_GPMI_TIMING1_BUSY_TIMEOUT(busy_timeout_cycles * 4096); + hw->timing1 = BF_GPMI_TIMING1_BUSY_TIMEOUT(DIV_ROUND_UP(busy_timeout_cycles, 4096)); /* * Derive NFC ideal delay from {3}: diff --git a/drivers/mtd/nand/raw/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c index 88c2440b47d8..dacc5529b3df 100644 --- a/drivers/mtd/nand/raw/nand_ids.c +++ b/drivers/mtd/nand/raw/nand_ids.c @@ -29,9 +29,6 @@ struct nand_flash_dev nand_flash_ids[] = { {"TC58NVG0S3E 1G 3.3V 8-bit", { .id = {0x98, 0xd1, 0x90, 0x15, 0x76, 0x14, 0x01, 0x00} }, SZ_2K, SZ_128, SZ_128K, 0, 8, 64, NAND_ECC_INFO(1, SZ_512), }, - {"TC58NVG0S3HTA00 1G 3.3V 8-bit", - { .id = {0x98, 0xf1, 0x80, 0x15} }, - SZ_2K, SZ_128, SZ_128K, 0, 4, 128, NAND_ECC_INFO(8, SZ_512), }, {"TC58NVG2S0F 4G 3.3V 8-bit", { .id = {0x98, 0xdc, 0x90, 0x26, 0x76, 0x15, 0x01, 0x08} }, SZ_4K, SZ_512, SZ_256K, 0, 8, 224, NAND_ECC_INFO(4, SZ_512) }, diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index a86b1f71762e..d7fb33c078e8 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2228,7 +2228,8 @@ void bond_3ad_unbind_slave(struct slave *slave) temp_aggregator->num_of_ports--; if (__agg_active_ports(temp_aggregator) == 0) { select_new_active_agg = temp_aggregator->is_active; - ad_clear_agg(temp_aggregator); + if (temp_aggregator->num_of_ports == 0) + ad_clear_agg(temp_aggregator); if (select_new_active_agg) { slave_info(bond->dev, slave->dev, "Removing an active aggregator\n"); /* select new active aggregator */ diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 303c8d32d451..007d43e46dcb 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -1302,12 +1302,12 @@ int bond_alb_initialize(struct bonding *bond, int rlb_enabled) return res; if (rlb_enabled) { - bond->alb_info.rlb_enabled = 1; res = rlb_initialize(bond); if (res) { tlb_deinitialize(bond); return res; } + bond->alb_info.rlb_enabled = 1; } else { bond->alb_info.rlb_enabled = 0; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index f85372adf042..6ba4c83fe5fc 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3684,9 +3684,11 @@ re_arm: if (!rtnl_trylock()) return; - if (should_notify_peers) + if (should_notify_peers) { + bond->send_peer_notif--; call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev); + } if (should_notify_rtnl) { bond_slave_state_notify(bond); bond_slave_link_notify(bond); diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c index 5458f57177a0..0b0f234b0b50 100644 --- a/drivers/net/caif/caif_virtio.c +++ b/drivers/net/caif/caif_virtio.c @@ -722,13 +722,21 @@ static int cfv_probe(struct virtio_device *vdev) /* Carrier is off until netdevice is opened */ netif_carrier_off(netdev); + /* serialize netdev register + virtio_device_ready() with ndo_open() */ + rtnl_lock(); + /* register Netdev */ - err = register_netdev(netdev); + err = register_netdevice(netdev); if (err) { + rtnl_unlock(); dev_err(&vdev->dev, "Unable to register netdev (%d)\n", err); goto err; } + virtio_device_ready(vdev); + + rtnl_unlock(); + debugfs_init(cfv); return 0; diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 87e81c636339..be0edfa093d0 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -878,6 +878,11 @@ static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port, if (duplex == DUPLEX_FULL) reg |= DUPLX_MODE; + if (tx_pause) + reg |= TXFLOW_CNTL; + if (rx_pause) + reg |= RXFLOW_CNTL; + core_writel(priv, reg, offset); } diff --git a/drivers/net/dsa/hirschmann/hellcreek_ptp.c b/drivers/net/dsa/hirschmann/hellcreek_ptp.c index 2572c6087bb5..b28baab6d56a 100644 --- a/drivers/net/dsa/hirschmann/hellcreek_ptp.c +++ b/drivers/net/dsa/hirschmann/hellcreek_ptp.c @@ -300,6 +300,7 @@ static int hellcreek_led_setup(struct hellcreek *hellcreek) const char *label, *state; int ret = -EINVAL; + of_node_get(hellcreek->dev->of_node); leds = of_find_node_by_name(hellcreek->dev->of_node, "leds"); if (!leds) { dev_err(hellcreek->dev, "No LEDs specified in device tree!\n"); diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index 570d0204b7be..9c27b9b0128d 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -1886,6 +1886,8 @@ static void vsc9959_psfp_sgi_table_del(struct ocelot *ocelot, static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index, struct felix_stream_filter_counters *counters) { + mutex_lock(&ocelot->stats_lock); + ocelot_rmw(ocelot, SYS_STAT_CFG_STAT_VIEW(index), SYS_STAT_CFG_STAT_VIEW_M, SYS_STAT_CFG); @@ -1900,6 +1902,8 @@ static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index, SYS_STAT_CFG_STAT_VIEW(index) | SYS_STAT_CFG_STAT_CLEAR_SHOT(0x10), SYS_STAT_CFG); + + mutex_unlock(&ocelot->stats_lock); } static int vsc9959_psfp_filter_add(struct ocelot *ocelot, int port, diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 2727d3169c25..1cbb05b0323f 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -2334,6 +2334,7 @@ static int qca8k_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu) { struct qca8k_priv *priv = ds->priv; + int ret; /* We have only have a general MTU setting. * DSA always set the CPU port's MTU to the largest MTU of the slave @@ -2344,8 +2345,27 @@ qca8k_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu) if (!dsa_is_cpu_port(ds, port)) return 0; + /* To change the MAX_FRAME_SIZE the cpu ports must be off or + * the switch panics. + * Turn off both cpu ports before applying the new value to prevent + * this. + */ + if (priv->port_enabled_map & BIT(0)) + qca8k_port_set_status(priv, 0, 0); + + if (priv->port_enabled_map & BIT(6)) + qca8k_port_set_status(priv, 6, 0); + /* Include L2 header / FCS length */ - return qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, new_mtu + ETH_HLEN + ETH_FCS_LEN); + ret = qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, new_mtu + ETH_HLEN + ETH_FCS_LEN); + + if (priv->port_enabled_map & BIT(0)) + qca8k_port_set_status(priv, 0, 1); + + if (priv->port_enabled_map & BIT(6)) + qca8k_port_set_status(priv, 6, 1); + + return ret; } static int diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h index 04408e11402a..ec58d0e80a70 100644 --- a/drivers/net/dsa/qca8k.h +++ b/drivers/net/dsa/qca8k.h @@ -15,7 +15,7 @@ #define QCA8K_ETHERNET_MDIO_PRIORITY 7 #define QCA8K_ETHERNET_PHY_PRIORITY 6 -#define QCA8K_ETHERNET_TIMEOUT 100 +#define QCA8K_ETHERNET_TIMEOUT 5 #define QCA8K_NUM_PORTS 7 #define QCA8K_NUM_CPU_PORTS 2 diff --git a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c index 60ae8bfc5f69..1749d26f4bef 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c @@ -43,9 +43,7 @@ static bool check_image_valid(struct hinic_devlink_priv *priv, const u8 *buf, for (i = 0; i < fw_image->fw_info.fw_section_cnt; i++) { len += fw_image->fw_section_info[i].fw_section_len; - memcpy(&host_image->image_section_info[i], - &fw_image->fw_section_info[i], - sizeof(struct fw_section_info_st)); + host_image->image_section_info[i] = fw_image->fw_section_info[i]; } if (len != fw_image->fw_len || diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index 1e71b70f0e52..70335f6e8524 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -2190,6 +2190,42 @@ ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, } /** + * ice_set_phy_type_from_speed - set phy_types based on speeds + * and advertised modes + * @ks: ethtool link ksettings struct + * @phy_type_low: pointer to the lower part of phy_type + * @phy_type_high: pointer to the higher part of phy_type + * @adv_link_speed: targeted link speeds bitmap + */ +static void +ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, + u64 *phy_type_low, u64 *phy_type_high, + u16 adv_link_speed) +{ + /* Handle 1000M speed in a special way because ice_update_phy_type + * enables all link modes, but having mixed copper and optical + * standards is not supported. + */ + adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; + + if (ethtool_link_ksettings_test_link_mode(ks, advertising, + 1000baseT_Full)) + *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | + ICE_PHY_TYPE_LOW_1G_SGMII; + + if (ethtool_link_ksettings_test_link_mode(ks, advertising, + 1000baseKX_Full)) + *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; + + if (ethtool_link_ksettings_test_link_mode(ks, advertising, + 1000baseX_Full)) + *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | + ICE_PHY_TYPE_LOW_1000BASE_LX; + + ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); +} + +/** * ice_set_link_ksettings - Set Speed and Duplex * @netdev: network interface device structure * @ks: ethtool ksettings @@ -2320,7 +2356,8 @@ ice_set_link_ksettings(struct net_device *netdev, adv_link_speed = curr_link_speed; /* Convert the advertise link speeds to their corresponded PHY_TYPE */ - ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); + ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, + adv_link_speed); if (!autoneg_changed && adv_link_speed == curr_link_speed) { netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); @@ -3470,6 +3507,16 @@ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) new_rx = ch->combined_count + ch->rx_count; new_tx = ch->combined_count + ch->tx_count; + if (new_rx < vsi->tc_cfg.numtc) { + netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", + vsi->tc_cfg.numtc); + return -EINVAL; + } + if (new_tx < vsi->tc_cfg.numtc) { + netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", + vsi->tc_cfg.numtc); + return -EINVAL; + } if (new_rx > ice_get_max_rxq(pf)) { netdev_err(dev, "Maximum allowed Rx channels is %d\n", ice_get_max_rxq(pf)); diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 454e01ae09b9..f7f9c973ec54 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -909,7 +909,7 @@ static void ice_set_dflt_vsi_ctx(struct ice_hw *hw, struct ice_vsi_ctx *ctxt) * @vsi: the VSI being configured * @ctxt: VSI context structure */ -static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) +static int ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) { u16 offset = 0, qmap = 0, tx_count = 0, pow = 0; u16 num_txq_per_tc, num_rxq_per_tc; @@ -982,7 +982,18 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) else vsi->num_rxq = num_rxq_per_tc; + if (vsi->num_rxq > vsi->alloc_rxq) { + dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Rx queues (%u), than were allocated (%u)!\n", + vsi->num_rxq, vsi->alloc_rxq); + return -EINVAL; + } + vsi->num_txq = tx_count; + if (vsi->num_txq > vsi->alloc_txq) { + dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Tx queues (%u), than were allocated (%u)!\n", + vsi->num_txq, vsi->alloc_txq); + return -EINVAL; + } if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { dev_dbg(ice_pf_to_dev(vsi->back), "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n"); @@ -1000,6 +1011,8 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) */ ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); + + return 0; } /** @@ -1187,7 +1200,10 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) if (vsi->type == ICE_VSI_CHNL) { ice_chnl_vsi_setup_q_map(vsi, ctxt); } else { - ice_vsi_setup_q_map(vsi, ctxt); + ret = ice_vsi_setup_q_map(vsi, ctxt); + if (ret) + goto out; + if (!init_vsi) /* means VSI being updated */ /* must to indicate which section of VSI context are * being modified @@ -3464,7 +3480,7 @@ void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc) * * Prepares VSI tc_config to have queue configurations based on MQPRIO options. */ -static void +static int ice_vsi_setup_q_map_mqprio(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt, u8 ena_tc) { @@ -3513,7 +3529,18 @@ ice_vsi_setup_q_map_mqprio(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt, /* Set actual Tx/Rx queue pairs */ vsi->num_txq = offset + qcount_tx; + if (vsi->num_txq > vsi->alloc_txq) { + dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Tx queues (%u), than were allocated (%u)!\n", + vsi->num_txq, vsi->alloc_txq); + return -EINVAL; + } + vsi->num_rxq = offset + qcount_rx; + if (vsi->num_rxq > vsi->alloc_rxq) { + dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Rx queues (%u), than were allocated (%u)!\n", + vsi->num_rxq, vsi->alloc_rxq); + return -EINVAL; + } /* Setup queue TC[0].qmap for given VSI context */ ctxt->info.tc_mapping[0] = cpu_to_le16(qmap); @@ -3531,6 +3558,8 @@ ice_vsi_setup_q_map_mqprio(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt, dev_dbg(ice_pf_to_dev(vsi->back), "vsi->num_rxq = %d\n", vsi->num_rxq); dev_dbg(ice_pf_to_dev(vsi->back), "all_numtc %u, all_enatc: 0x%04x, tc_cfg.numtc %u\n", vsi->all_numtc, vsi->all_enatc, vsi->tc_cfg.numtc); + + return 0; } /** @@ -3580,9 +3609,12 @@ int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) if (vsi->type == ICE_VSI_PF && test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) - ice_vsi_setup_q_map_mqprio(vsi, ctx, ena_tc); + ret = ice_vsi_setup_q_map_mqprio(vsi, ctx, ena_tc); else - ice_vsi_setup_q_map(vsi, ctx); + ret = ice_vsi_setup_q_map(vsi, ctx); + + if (ret) + goto out; /* must to indicate which section of VSI context are being modified */ ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c b/drivers/net/ethernet/intel/ice/ice_tc_lib.c index 0a0c55fb8699..b803f2ab3cc7 100644 --- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c @@ -524,6 +524,7 @@ ice_eswitch_add_tc_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr) */ fltr->rid = rule_added.rid; fltr->rule_id = rule_added.rule_id; + fltr->dest_id = rule_added.vsi_handle; exit: kfree(list); @@ -993,7 +994,9 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi, n_proto_key = ntohs(match.key->n_proto); n_proto_mask = ntohs(match.mask->n_proto); - if (n_proto_key == ETH_P_ALL || n_proto_key == 0) { + if (n_proto_key == ETH_P_ALL || n_proto_key == 0 || + fltr->tunnel_type == TNL_GTPU || + fltr->tunnel_type == TNL_GTPC) { n_proto_key = 0; n_proto_mask = 0; } else { diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 68be2976f539..c5f04c40284b 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -4819,8 +4819,11 @@ static void igb_clean_tx_ring(struct igb_ring *tx_ring) while (i != tx_ring->next_to_use) { union e1000_adv_tx_desc *eop_desc, *tx_desc; - /* Free all the Tx ring sk_buffs */ - dev_kfree_skb_any(tx_buffer->skb); + /* Free all the Tx ring sk_buffs or xdp frames */ + if (tx_buffer->type == IGB_TYPE_SKB) + dev_kfree_skb_any(tx_buffer->skb); + else + xdp_return_frame(tx_buffer->xdpf); /* unmap skb header data */ dma_unmap_single(tx_ring->dev, @@ -9898,11 +9901,10 @@ static void igb_init_dmac(struct igb_adapter *adapter, u32 pba) struct e1000_hw *hw = &adapter->hw; u32 dmac_thr; u16 hwm; + u32 reg; if (hw->mac.type > e1000_82580) { if (adapter->flags & IGB_FLAG_DMAC) { - u32 reg; - /* force threshold to 0. */ wr32(E1000_DMCTXTH, 0); @@ -9935,7 +9937,6 @@ static void igb_init_dmac(struct igb_adapter *adapter, u32 pba) /* Disable BMC-to-OS Watchdog Enable */ if (hw->mac.type != e1000_i354) reg &= ~E1000_DMACR_DC_BMC2OSW_EN; - wr32(E1000_DMACR, reg); /* no lower threshold to disable @@ -9952,12 +9953,12 @@ static void igb_init_dmac(struct igb_adapter *adapter, u32 pba) */ wr32(E1000_DMCTXTH, (IGB_MIN_TXPBSIZE - (IGB_TX_BUF_4096 + adapter->max_frame_size)) >> 6); + } - /* make low power state decision controlled - * by DMA coal - */ + if (hw->mac.type >= e1000_i210 || + (adapter->flags & IGB_FLAG_DMAC)) { reg = rd32(E1000_PCIEMISC); - reg &= ~E1000_PCIEMISC_LX_DECISION; + reg |= E1000_PCIEMISC_LX_DECISION; wr32(E1000_PCIEMISC, reg); } /* endif adapter->dmac is not disabled */ } else if (hw->mac.type == e1000_82580) { diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h b/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h index cc51149790ff..3d5d39a52fe6 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_regs_cn9k_pf.h @@ -52,7 +52,7 @@ #define CN93_SDP_EPF_RINFO_SRN(val) ((val) & 0xFF) #define CN93_SDP_EPF_RINFO_RPVF(val) (((val) >> 32) & 0xF) -#define CN93_SDP_EPF_RINFO_NVFS(val) (((val) >> 48) && 0xFF) +#define CN93_SDP_EPF_RINFO_NVFS(val) (((val) >> 48) & 0xFF) /* SDP Function select */ #define CN93_SDP_FUNC_SEL_EPF_BIT_POS 8 diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 9dbb573d53ea..0d8a0068e4ca 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -4415,6 +4415,8 @@ static int mlxsw_sp_nexthop4_init(struct mlxsw_sp *mlxsw_sp, return 0; err_nexthop_neigh_init: + list_del(&nh->router_list_node); + mlxsw_sp_nexthop_counter_free(mlxsw_sp, nh); mlxsw_sp_nexthop_remove(mlxsw_sp, nh); return err; } @@ -6740,6 +6742,7 @@ static int mlxsw_sp_nexthop6_init(struct mlxsw_sp *mlxsw_sp, const struct fib6_info *rt) { struct net_device *dev = rt->fib6_nh->fib_nh_dev; + int err; nh->nhgi = nh_grp->nhgi; nh->nh_weight = rt->fib6_nh->fib_nh_weight; @@ -6755,7 +6758,16 @@ static int mlxsw_sp_nexthop6_init(struct mlxsw_sp *mlxsw_sp, return 0; nh->ifindex = dev->ifindex; - return mlxsw_sp_nexthop_type_init(mlxsw_sp, nh, dev); + err = mlxsw_sp_nexthop_type_init(mlxsw_sp, nh, dev); + if (err) + goto err_nexthop_type_init; + + return 0; + +err_nexthop_type_init: + list_del(&nh->router_list_node); + mlxsw_sp_nexthop_counter_free(mlxsw_sp, nh); + return err; } static void mlxsw_sp_nexthop6_fini(struct mlxsw_sp *mlxsw_sp, diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c b/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c index 3429660cd2e5..5edc8b7176c8 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c @@ -396,6 +396,9 @@ static int sparx5_handle_port_mdb_add(struct net_device *dev, u32 mact_entry; int res, err; + if (!sparx5_netdevice_check(dev)) + return -EOPNOTSUPP; + if (netif_is_bridge_master(v->obj.orig_dev)) { sparx5_mact_learn(spx5, PGID_CPU, v->addr, v->vid); return 0; @@ -466,6 +469,9 @@ static int sparx5_handle_port_mdb_del(struct net_device *dev, u32 mact_entry, res, pgid_entry[3]; int err; + if (!sparx5_netdevice_check(dev)) + return -EOPNOTSUPP; + if (netif_is_bridge_master(v->obj.orig_dev)) { sparx5_mact_forget(spx5, v->addr, v->vid); return 0; diff --git a/drivers/net/ethernet/smsc/epic100.c b/drivers/net/ethernet/smsc/epic100.c index a0654e88444c..0329caf63279 100644 --- a/drivers/net/ethernet/smsc/epic100.c +++ b/drivers/net/ethernet/smsc/epic100.c @@ -1515,14 +1515,14 @@ static void epic_remove_one(struct pci_dev *pdev) struct net_device *dev = pci_get_drvdata(pdev); struct epic_private *ep = netdev_priv(dev); + unregister_netdev(dev); dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE, ep->tx_ring, ep->tx_ring_dma); dma_free_coherent(&pdev->dev, RX_TOTAL_SIZE, ep->rx_ring, ep->rx_ring_dma); - unregister_netdev(dev); pci_iounmap(pdev, ep->ioaddr); - pci_release_regions(pdev); free_netdev(dev); + pci_release_regions(pdev); pci_disable_device(pdev); /* pci_power_off(pdev, -1); */ } diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 45c3c4a1101b..9fb567524220 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -99,6 +99,7 @@ struct sixpack { unsigned int rx_count; unsigned int rx_count_cooked; + spinlock_t rxlock; int mtu; /* Our mtu (to spot changes!) */ int buffsize; /* Max buffers sizes */ @@ -565,6 +566,7 @@ static int sixpack_open(struct tty_struct *tty) sp->dev = dev; spin_lock_init(&sp->lock); + spin_lock_init(&sp->rxlock); refcount_set(&sp->refcnt, 1); init_completion(&sp->dead); @@ -913,6 +915,7 @@ static void decode_std_command(struct sixpack *sp, unsigned char cmd) sp->led_state = 0x60; /* fill trailing bytes with zeroes */ sp->tty->ops->write(sp->tty, &sp->led_state, 1); + spin_lock_bh(&sp->rxlock); rest = sp->rx_count; if (rest != 0) for (i = rest; i <= 3; i++) @@ -930,6 +933,7 @@ static void decode_std_command(struct sixpack *sp, unsigned char cmd) sp_bump(sp, 0); } sp->rx_count_cooked = 0; + spin_unlock_bh(&sp->rxlock); } break; case SIXP_TX_URUN: printk(KERN_DEBUG "6pack: TX underrun\n"); @@ -959,8 +963,11 @@ sixpack_decode(struct sixpack *sp, const unsigned char *pre_rbuff, int count) decode_prio_command(sp, inbyte); else if ((inbyte & SIXP_STD_CMD_MASK) != 0) decode_std_command(sp, inbyte); - else if ((sp->status & SIXP_RX_DCD_MASK) == SIXP_RX_DCD_MASK) + else if ((sp->status & SIXP_RX_DCD_MASK) == SIXP_RX_DCD_MASK) { + spin_lock_bh(&sp->rxlock); decode_data(sp, inbyte); + spin_unlock_bh(&sp->rxlock); + } } } diff --git a/drivers/net/phy/aquantia_main.c b/drivers/net/phy/aquantia_main.c index a8db1a19011b..c7047f5d7a9b 100644 --- a/drivers/net/phy/aquantia_main.c +++ b/drivers/net/phy/aquantia_main.c @@ -34,6 +34,8 @@ #define MDIO_AN_VEND_PROV 0xc400 #define MDIO_AN_VEND_PROV_1000BASET_FULL BIT(15) #define MDIO_AN_VEND_PROV_1000BASET_HALF BIT(14) +#define MDIO_AN_VEND_PROV_5000BASET_FULL BIT(11) +#define MDIO_AN_VEND_PROV_2500BASET_FULL BIT(10) #define MDIO_AN_VEND_PROV_DOWNSHIFT_EN BIT(4) #define MDIO_AN_VEND_PROV_DOWNSHIFT_MASK GENMASK(3, 0) #define MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT 4 @@ -231,9 +233,20 @@ static int aqr_config_aneg(struct phy_device *phydev) phydev->advertising)) reg |= MDIO_AN_VEND_PROV_1000BASET_HALF; + /* Handle the case when the 2.5G and 5G speeds are not advertised */ + if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + phydev->advertising)) + reg |= MDIO_AN_VEND_PROV_2500BASET_FULL; + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + phydev->advertising)) + reg |= MDIO_AN_VEND_PROV_5000BASET_FULL; + ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_VEND_PROV, MDIO_AN_VEND_PROV_1000BASET_HALF | - MDIO_AN_VEND_PROV_1000BASET_FULL, reg); + MDIO_AN_VEND_PROV_1000BASET_FULL | + MDIO_AN_VEND_PROV_2500BASET_FULL | + MDIO_AN_VEND_PROV_5000BASET_FULL, reg); if (ret < 0) return ret; if (ret > 0) diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index 6a467e7817a6..59fe356942b5 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -2072,6 +2072,8 @@ static struct phy_driver at803x_driver[] = { /* ATHEROS AR9331 */ PHY_ID_MATCH_EXACT(ATH9331_PHY_ID), .name = "Qualcomm Atheros AR9331 built-in PHY", + .probe = at803x_probe, + .remove = at803x_remove, .suspend = at803x_suspend, .resume = at803x_resume, .flags = PHY_POLL_CABLE_TEST, @@ -2087,6 +2089,8 @@ static struct phy_driver at803x_driver[] = { /* Qualcomm Atheros QCA9561 */ PHY_ID_MATCH_EXACT(QCA9561_PHY_ID), .name = "Qualcomm Atheros QCA9561 built-in PHY", + .probe = at803x_probe, + .remove = at803x_remove, .suspend = at803x_suspend, .resume = at803x_resume, .flags = PHY_POLL_CABLE_TEST, @@ -2151,6 +2155,8 @@ static struct phy_driver at803x_driver[] = { PHY_ID_MATCH_EXACT(QCA8081_PHY_ID), .name = "Qualcomm QCA8081", .flags = PHY_POLL_CABLE_TEST, + .probe = at803x_probe, + .remove = at803x_remove, .config_intr = at803x_config_intr, .handle_interrupt = at803x_handle_interrupt, .get_tunable = at803x_get_tunable, diff --git a/drivers/net/phy/ax88796b.c b/drivers/net/phy/ax88796b.c index 457896337505..0f1e617a26c9 100644 --- a/drivers/net/phy/ax88796b.c +++ b/drivers/net/phy/ax88796b.c @@ -88,8 +88,10 @@ static void asix_ax88772a_link_change_notify(struct phy_device *phydev) /* Reset PHY, otherwise MII_LPA will provide outdated information. * This issue is reproducible only with some link partner PHYs */ - if (phydev->state == PHY_NOLINK && phydev->drv->soft_reset) - phydev->drv->soft_reset(phydev); + if (phydev->state == PHY_NOLINK) { + phy_init_hw(phydev); + phy_start_aneg(phydev); + } } static struct phy_driver asix_driver[] = { diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index e6ad3a494d32..8549e0e356c9 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -229,9 +229,7 @@ static int dp83822_config_intr(struct phy_device *phydev) if (misr_status < 0) return misr_status; - misr_status |= (DP83822_RX_ERR_HF_INT_EN | - DP83822_FALSE_CARRIER_HF_INT_EN | - DP83822_LINK_STAT_INT_EN | + misr_status |= (DP83822_LINK_STAT_INT_EN | DP83822_ENERGY_DET_INT_EN | DP83822_LINK_QUAL_INT_EN); diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index ef62f357b76d..8d3ee3a6495b 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -31,6 +31,7 @@ #include <linux/io.h> #include <linux/uaccess.h> #include <linux/atomic.h> +#include <linux/suspend.h> #include <net/netlink.h> #include <net/genetlink.h> #include <net/sock.h> @@ -976,6 +977,28 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) struct phy_driver *drv = phydev->drv; irqreturn_t ret; + /* Wakeup interrupts may occur during a system sleep transition. + * Postpone handling until the PHY has resumed. + */ + if (IS_ENABLED(CONFIG_PM_SLEEP) && phydev->irq_suspended) { + struct net_device *netdev = phydev->attached_dev; + + if (netdev) { + struct device *parent = netdev->dev.parent; + + if (netdev->wol_enabled) + pm_system_wakeup(); + else if (device_may_wakeup(&netdev->dev)) + pm_wakeup_dev_event(&netdev->dev, 0, true); + else if (parent && device_may_wakeup(parent)) + pm_wakeup_dev_event(parent, 0, true); + } + + phydev->irq_rerun = 1; + disable_irq_nosync(irq); + return IRQ_HANDLED; + } + mutex_lock(&phydev->lock); ret = drv->handle_interrupt(phydev); mutex_unlock(&phydev->lock); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 431a8719c635..46acddd865a7 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -278,6 +278,15 @@ static __maybe_unused int mdio_bus_phy_suspend(struct device *dev) if (phydev->mac_managed_pm) return 0; + /* Wakeup interrupts may occur during the system sleep transition when + * the PHY is inaccessible. Set flag to postpone handling until the PHY + * has resumed. Wait for concurrent interrupt handler to complete. + */ + if (phy_interrupt_is_valid(phydev)) { + phydev->irq_suspended = 1; + synchronize_irq(phydev->irq); + } + /* We must stop the state machine manually, otherwise it stops out of * control, possibly with the phydev->lock held. Upon resume, netdev * may call phy routines that try to grab the same lock, and that may @@ -315,6 +324,20 @@ static __maybe_unused int mdio_bus_phy_resume(struct device *dev) if (ret < 0) return ret; no_resume: + if (phy_interrupt_is_valid(phydev)) { + phydev->irq_suspended = 0; + synchronize_irq(phydev->irq); + + /* Rerun interrupts which were postponed by phy_interrupt() + * because they occurred during the system sleep transition. + */ + if (phydev->irq_rerun) { + phydev->irq_rerun = 0; + enable_irq(phydev->irq); + irq_wake_thread(phydev->irq, phydev); + } + } + if (phydev->attached_dev && phydev->adjust_link) phy_start_machine(phydev); diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 9a5d5a10560f..e7b0e12cc75b 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -2516,7 +2516,7 @@ static int sfp_probe(struct platform_device *pdev) platform_set_drvdata(pdev, sfp); - err = devm_add_action(sfp->dev, sfp_cleanup, sfp); + err = devm_add_action_or_reset(sfp->dev, sfp_cleanup, sfp); if (err < 0) return err; diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index 1b54684b68a0..96d3c40932d8 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -110,7 +110,7 @@ static int smsc_phy_config_init(struct phy_device *phydev) struct smsc_phy_priv *priv = phydev->priv; int rc; - if (!priv->energy_enable) + if (!priv->energy_enable || phydev->irq != PHY_POLL) return 0; rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); @@ -210,6 +210,8 @@ static int lan95xx_config_aneg_ext(struct phy_device *phydev) * response on link pulses to detect presence of plugged Ethernet cable. * The Energy Detect Power-Down mode is enabled again in the end of procedure to * save approximately 220 mW of power if cable is unplugged. + * The workaround is only applicable to poll mode. Energy Detect Power-Down may + * not be used in interrupt mode lest link change detection becomes unreliable. */ static int lan87xx_read_status(struct phy_device *phydev) { @@ -217,7 +219,7 @@ static int lan87xx_read_status(struct phy_device *phydev) int err = genphy_read_status(phydev); - if (!phydev->link && priv->energy_enable) { + if (!phydev->link && priv->energy_enable && phydev->irq == PHY_POLL) { /* Disable EDPD to wake up PHY */ int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); if (rc < 0) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 87a635aac008..259b2b84b2b3 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -273,6 +273,12 @@ static void tun_napi_init(struct tun_struct *tun, struct tun_file *tfile, } } +static void tun_napi_enable(struct tun_file *tfile) +{ + if (tfile->napi_enabled) + napi_enable(&tfile->napi); +} + static void tun_napi_disable(struct tun_file *tfile) { if (tfile->napi_enabled) @@ -634,7 +640,8 @@ static void __tun_detach(struct tun_file *tfile, bool clean) tun = rtnl_dereference(tfile->tun); if (tun && clean) { - tun_napi_disable(tfile); + if (!tfile->detached) + tun_napi_disable(tfile); tun_napi_del(tfile); } @@ -653,8 +660,10 @@ static void __tun_detach(struct tun_file *tfile, bool clean) if (clean) { RCU_INIT_POINTER(tfile->tun, NULL); sock_put(&tfile->sk); - } else + } else { tun_disable_queue(tun, tfile); + tun_napi_disable(tfile); + } synchronize_net(); tun_flow_delete_by_queue(tun, tun->numqueues + 1); @@ -727,6 +736,7 @@ static void tun_detach_all(struct net_device *dev) sock_put(&tfile->sk); } list_for_each_entry_safe(tfile, tmp, &tun->disabled, next) { + tun_napi_del(tfile); tun_enable_queue(tfile); tun_queue_purge(tfile); xdp_rxq_info_unreg(&tfile->xdp_rxq); @@ -807,6 +817,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file, if (tfile->detached) { tun_enable_queue(tfile); + tun_napi_enable(tfile); } else { sock_hold(&tfile->sk); tun_napi_init(tun, tfile, napi, napi_frags); diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h index 2c81236c6c7c..45d3cc5cc355 100644 --- a/drivers/net/usb/asix.h +++ b/drivers/net/usb/asix.h @@ -126,8 +126,7 @@ AX_MEDIUM_RE) #define AX88772_MEDIUM_DEFAULT \ - (AX_MEDIUM_FD | AX_MEDIUM_RFC | \ - AX_MEDIUM_TFC | AX_MEDIUM_PS | \ + (AX_MEDIUM_FD | AX_MEDIUM_PS | \ AX_MEDIUM_AC | AX_MEDIUM_RE) /* AX88772 & AX88178 RX_CTL values */ diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index 632fa6c1d5e3..b4a1b7abcfc9 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -431,6 +431,7 @@ void asix_adjust_link(struct net_device *netdev) asix_write_medium_mode(dev, mode, 0); phy_print_status(phydev); + usbnet_link_change(dev, phydev->link, 0); } int asix_write_gpio(struct usbnet *dev, u16 value, int sleep, int in_pm) diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 4704ed6f00ef..ac2d400d1d6c 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1472,6 +1472,42 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) * are bundled into this buffer and where we can find an array of * per-packet metadata (which contains elements encoded into u16). */ + + /* SKB contents for current firmware: + * <packet 1> <padding> + * ... + * <packet N> <padding> + * <per-packet metadata entry 1> <dummy header> + * ... + * <per-packet metadata entry N> <dummy header> + * <padding2> <rx_hdr> + * + * where: + * <packet N> contains pkt_len bytes: + * 2 bytes of IP alignment pseudo header + * packet received + * <per-packet metadata entry N> contains 4 bytes: + * pkt_len and fields AX_RXHDR_* + * <padding> 0-7 bytes to terminate at + * 8 bytes boundary (64-bit). + * <padding2> 4 bytes to make rx_hdr terminate at + * 8 bytes boundary (64-bit) + * <dummy-header> contains 4 bytes: + * pkt_len=0 and AX_RXHDR_DROP_ERR + * <rx-hdr> contains 4 bytes: + * pkt_cnt and hdr_off (offset of + * <per-packet metadata entry 1>) + * + * pkt_cnt is number of entrys in the per-packet metadata. + * In current firmware there is 2 entrys per packet. + * The first points to the packet and the + * second is a dummy header. + * This was done probably to align fields in 64-bit and + * maintain compatibility with old firmware. + * This code assumes that <dummy header> and <padding2> are + * optional. + */ + if (skb->len < 4) return 0; skb_trim(skb, skb->len - 4); @@ -1485,51 +1521,66 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) /* Make sure that the bounds of the metadata array are inside the SKB * (and in front of the counter at the end). */ - if (pkt_cnt * 2 + hdr_off > skb->len) + if (pkt_cnt * 4 + hdr_off > skb->len) return 0; pkt_hdr = (u32 *)(skb->data + hdr_off); /* Packets must not overlap the metadata array */ skb_trim(skb, hdr_off); - for (; ; pkt_cnt--, pkt_hdr++) { + for (; pkt_cnt > 0; pkt_cnt--, pkt_hdr++) { + u16 pkt_len_plus_padd; u16 pkt_len; le32_to_cpus(pkt_hdr); pkt_len = (*pkt_hdr >> 16) & 0x1fff; + pkt_len_plus_padd = (pkt_len + 7) & 0xfff8; - if (pkt_len > skb->len) + /* Skip dummy header used for alignment + */ + if (pkt_len == 0) + continue; + + if (pkt_len_plus_padd > skb->len) return 0; /* Check CRC or runt packet */ - if (((*pkt_hdr & (AX_RXHDR_CRC_ERR | AX_RXHDR_DROP_ERR)) == 0) && - pkt_len >= 2 + ETH_HLEN) { - bool last = (pkt_cnt == 0); - - if (last) { - ax_skb = skb; - } else { - ax_skb = skb_clone(skb, GFP_ATOMIC); - if (!ax_skb) - return 0; - } - ax_skb->len = pkt_len; - /* Skip IP alignment pseudo header */ - skb_pull(ax_skb, 2); - skb_set_tail_pointer(ax_skb, ax_skb->len); - ax_skb->truesize = pkt_len + sizeof(struct sk_buff); - ax88179_rx_checksum(ax_skb, pkt_hdr); + if ((*pkt_hdr & (AX_RXHDR_CRC_ERR | AX_RXHDR_DROP_ERR)) || + pkt_len < 2 + ETH_HLEN) { + dev->net->stats.rx_errors++; + skb_pull(skb, pkt_len_plus_padd); + continue; + } - if (last) - return 1; + /* last packet */ + if (pkt_len_plus_padd == skb->len) { + skb_trim(skb, pkt_len); - usbnet_skb_return(dev, ax_skb); + /* Skip IP alignment pseudo header */ + skb_pull(skb, 2); + + skb->truesize = SKB_TRUESIZE(pkt_len_plus_padd); + ax88179_rx_checksum(skb, pkt_hdr); + return 1; } - /* Trim this packet away from the SKB */ - if (!skb_pull(skb, (pkt_len + 7) & 0xFFF8)) + ax_skb = skb_clone(skb, GFP_ATOMIC); + if (!ax_skb) return 0; + skb_trim(ax_skb, pkt_len); + + /* Skip IP alignment pseudo header */ + skb_pull(ax_skb, 2); + + skb->truesize = pkt_len_plus_padd + + SKB_DATA_ALIGN(sizeof(struct sk_buff)); + ax88179_rx_checksum(ax_skb, pkt_hdr); + usbnet_skb_return(dev, ax_skb); + + skb_pull(skb, pkt_len_plus_padd); } + + return 0; } static struct sk_buff * diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 1cb6dab3e2d0..e2135ab87a6e 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -2004,7 +2004,7 @@ static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, cmd, reqtype, value, index, size); if (size) { - buf = kmalloc(size, GFP_KERNEL); + buf = kmalloc(size, GFP_NOIO); if (!buf) goto out; } @@ -2036,7 +2036,7 @@ static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, cmd, reqtype, value, index, size); if (data) { - buf = kmemdup(data, size, GFP_KERNEL); + buf = kmemdup(data, size, GFP_NOIO); if (!buf) goto out; } else { diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 466da01ba2e3..2cb833b3006a 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -312,6 +312,7 @@ static bool veth_skb_is_eligible_for_gro(const struct net_device *dev, static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) { struct veth_priv *rcv_priv, *priv = netdev_priv(dev); + struct netdev_queue *queue = NULL; struct veth_rq *rq = NULL; struct net_device *rcv; int length = skb->len; @@ -329,6 +330,7 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) rxq = skb_get_queue_mapping(skb); if (rxq < rcv->real_num_rx_queues) { rq = &rcv_priv->rq[rxq]; + queue = netdev_get_tx_queue(dev, rxq); /* The napi pointer is available when an XDP program is * attached or when GRO is enabled @@ -340,6 +342,8 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) skb_tx_timestamp(skb); if (likely(veth_forward_skb(rcv, skb, rq, use_napi) == NET_RX_SUCCESS)) { + if (queue) + txq_trans_cond_update(queue); if (!use_napi) dev_lstats_add(dev, length); } else { diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index db05b5e930be..356cf8dd4164 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2768,7 +2768,6 @@ static const struct ethtool_ops virtnet_ethtool_ops = { static void virtnet_freeze_down(struct virtio_device *vdev) { struct virtnet_info *vi = vdev->priv; - int i; /* Make sure no work handler is accessing the device */ flush_work(&vi->config_work); @@ -2776,14 +2775,8 @@ static void virtnet_freeze_down(struct virtio_device *vdev) netif_tx_lock_bh(vi->dev); netif_device_detach(vi->dev); netif_tx_unlock_bh(vi->dev); - cancel_delayed_work_sync(&vi->refill); - - if (netif_running(vi->dev)) { - for (i = 0; i < vi->max_queue_pairs; i++) { - napi_disable(&vi->rq[i].napi); - virtnet_napi_tx_disable(&vi->sq[i].napi); - } - } + if (netif_running(vi->dev)) + virtnet_close(vi->dev); } static int init_vqs(struct virtnet_info *vi); @@ -2791,7 +2784,7 @@ static int init_vqs(struct virtnet_info *vi); static int virtnet_restore_up(struct virtio_device *vdev) { struct virtnet_info *vi = vdev->priv; - int err, i; + int err; err = init_vqs(vi); if (err) @@ -2800,15 +2793,9 @@ static int virtnet_restore_up(struct virtio_device *vdev) virtio_device_ready(vdev); if (netif_running(vi->dev)) { - for (i = 0; i < vi->curr_queue_pairs; i++) - if (!try_fill_recv(vi, &vi->rq[i], GFP_KERNEL)) - schedule_delayed_work(&vi->refill, 0); - - for (i = 0; i < vi->max_queue_pairs; i++) { - virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); - virtnet_napi_tx_enable(vi, vi->sq[i].vq, - &vi->sq[i].napi); - } + err = virtnet_open(vi->dev); + if (err) + return err; } netif_tx_lock_bh(vi->dev); @@ -3655,14 +3642,20 @@ static int virtnet_probe(struct virtio_device *vdev) if (vi->has_rss || vi->has_rss_hash_report) virtnet_init_default_rss(vi); - err = register_netdev(dev); + /* serialize netdev register + virtio_device_ready() with ndo_open() */ + rtnl_lock(); + + err = register_netdevice(dev); if (err) { pr_debug("virtio_net: registering device failed\n"); + rtnl_unlock(); goto free_failover; } virtio_device_ready(vdev); + rtnl_unlock(); + err = virtnet_cpu_notif_add(vi); if (err) { pr_debug("virtio_net: registering cpu notifier failed\n"); diff --git a/drivers/nfc/nfcmrvl/i2c.c b/drivers/nfc/nfcmrvl/i2c.c index ceef81d93ac9..01329b91d59d 100644 --- a/drivers/nfc/nfcmrvl/i2c.c +++ b/drivers/nfc/nfcmrvl/i2c.c @@ -167,9 +167,9 @@ static int nfcmrvl_i2c_parse_dt(struct device_node *node, pdata->irq_polarity = IRQF_TRIGGER_RISING; ret = irq_of_parse_and_map(node, 0); - if (ret < 0) { - pr_err("Unable to get irq, error: %d\n", ret); - return ret; + if (!ret) { + pr_err("Unable to get irq\n"); + return -EINVAL; } pdata->irq = ret; diff --git a/drivers/nfc/nfcmrvl/spi.c b/drivers/nfc/nfcmrvl/spi.c index a38e2fcdfd39..ad3359a4942c 100644 --- a/drivers/nfc/nfcmrvl/spi.c +++ b/drivers/nfc/nfcmrvl/spi.c @@ -115,9 +115,9 @@ static int nfcmrvl_spi_parse_dt(struct device_node *node, } ret = irq_of_parse_and_map(node, 0); - if (ret < 0) { - pr_err("Unable to get irq, error: %d\n", ret); - return ret; + if (!ret) { + pr_err("Unable to get irq\n"); + return -EINVAL; } pdata->irq = ret; diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index 7e451c10985d..ae2ba08d8ac3 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -122,7 +122,9 @@ static int nxp_nci_i2c_fw_read(struct nxp_nci_i2c_phy *phy, skb_put_data(*skb, &header, NXP_NCI_FW_HDR_LEN); r = i2c_master_recv(client, skb_put(*skb, frame_len), frame_len); - if (r != frame_len) { + if (r < 0) { + goto fw_read_exit_free_skb; + } else if (r != frame_len) { nfc_err(&client->dev, "Invalid frame length: %u (expected %zu)\n", r, frame_len); @@ -162,8 +164,13 @@ static int nxp_nci_i2c_nci_read(struct nxp_nci_i2c_phy *phy, skb_put_data(*skb, (void *)&header, NCI_CTRL_HDR_SIZE); + if (!header.plen) + return 0; + r = i2c_master_recv(client, skb_put(*skb, header.plen), header.plen); - if (r != header.plen) { + if (r < 0) { + goto nci_read_exit_free_skb; + } else if (r != header.plen) { nfc_err(&client->dev, "Invalid frame payload length: %u (expected %u)\n", r, header.plen); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 3ab2cfd254a4..ec6ac298d8de 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2546,6 +2546,20 @@ static const struct nvme_core_quirk_entry core_quirks[] = { .vid = 0x1e0f, .mn = "KCD6XVUL6T40", .quirks = NVME_QUIRK_NO_APST, + }, + { + /* + * The external Samsung X5 SSD fails initialization without a + * delay before checking if it is ready and has a whole set of + * other problems. To make this even more interesting, it + * shares the PCI ID with internal Samsung 970 Evo Plus that + * does not need or want these quirks. + */ + .vid = 0x144d, + .mn = "Samsung Portable SSD X5", + .quirks = NVME_QUIRK_DELAY_BEFORE_CHK_RDY | + NVME_QUIRK_NO_DEEPEST_PS | + NVME_QUIRK_IGNORE_DEV_SUBNQN, } }; @@ -4581,6 +4595,8 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl) nvme_stop_failfast_work(ctrl); flush_work(&ctrl->async_event_work); cancel_work_sync(&ctrl->fw_act_work); + if (ctrl->ops->stop_ctrl) + ctrl->ops->stop_ctrl(ctrl); } EXPORT_SYMBOL_GPL(nvme_stop_ctrl); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 0da94b233fed..5558f8812157 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -502,6 +502,7 @@ struct nvme_ctrl_ops { void (*free_ctrl)(struct nvme_ctrl *ctrl); void (*submit_async_event)(struct nvme_ctrl *ctrl); void (*delete_ctrl)(struct nvme_ctrl *ctrl); + void (*stop_ctrl)(struct nvme_ctrl *ctrl); int (*get_address)(struct nvme_ctrl *ctrl, char *buf, int size); void (*print_device_info)(struct nvme_ctrl *ctrl); }; diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index c7012e85d035..e7af2234e53b 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3469,11 +3469,16 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE(0x1b4b, 0x1092), /* Lexar 256 GB SSD */ .driver_data = NVME_QUIRK_NO_NS_DESC_LIST | NVME_QUIRK_IGNORE_DEV_SUBNQN, }, + { PCI_DEVICE(0x1cc1, 0x33f8), /* ADATA IM2P33F8ABR1 1 TB */ + .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x10ec, 0x5762), /* ADATA SX6000LNP */ - .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, }, + .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN | + NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1cc1, 0x8201), /* ADATA SX8200PNP 512GB */ .driver_data = NVME_QUIRK_NO_DEEPEST_PS | NVME_QUIRK_IGNORE_DEV_SUBNQN, }, + { PCI_DEVICE(0x1344, 0x5407), /* Micron Technology Inc NVMe SSD */ + .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN }, { PCI_DEVICE(0x1c5c, 0x1504), /* SK Hynix PC400 */ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x1c5c, 0x174a), /* SK Hynix P31 SSD */ @@ -3524,10 +3529,6 @@ static const struct pci_device_id nvme_id_table[] = { NVME_QUIRK_128_BYTES_SQES | NVME_QUIRK_SHARED_TAGS | NVME_QUIRK_SKIP_CID_GEN }, - { PCI_DEVICE(0x144d, 0xa808), /* Samsung X5 */ - .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY| - NVME_QUIRK_NO_DEEPEST_PS | - NVME_QUIRK_IGNORE_DEV_SUBNQN, }, { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) }, { 0, } }; diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index f2a5e1ea508a..46c2dcf72f7e 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1048,6 +1048,14 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl, } } +static void nvme_rdma_stop_ctrl(struct nvme_ctrl *nctrl) +{ + struct nvme_rdma_ctrl *ctrl = to_rdma_ctrl(nctrl); + + cancel_work_sync(&ctrl->err_work); + cancel_delayed_work_sync(&ctrl->reconnect_work); +} + static void nvme_rdma_free_ctrl(struct nvme_ctrl *nctrl) { struct nvme_rdma_ctrl *ctrl = to_rdma_ctrl(nctrl); @@ -2252,9 +2260,6 @@ static const struct blk_mq_ops nvme_rdma_admin_mq_ops = { static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown) { - cancel_work_sync(&ctrl->err_work); - cancel_delayed_work_sync(&ctrl->reconnect_work); - nvme_rdma_teardown_io_queues(ctrl, shutdown); nvme_stop_admin_queue(&ctrl->ctrl); if (shutdown) @@ -2304,6 +2309,7 @@ static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = { .submit_async_event = nvme_rdma_submit_async_event, .delete_ctrl = nvme_rdma_delete_ctrl, .get_address = nvmf_get_address, + .stop_ctrl = nvme_rdma_stop_ctrl, }; /* diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index bb67538d241b..7a9e6ffa2342 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1180,8 +1180,7 @@ done: } else if (ret < 0) { dev_err(queue->ctrl->ctrl.device, "failed to send request %d\n", ret); - if (ret != -EPIPE && ret != -ECONNRESET) - nvme_tcp_fail_request(queue->request); + nvme_tcp_fail_request(queue->request); nvme_tcp_done_send_req(queue); } return ret; @@ -2194,9 +2193,6 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work) static void nvme_tcp_teardown_ctrl(struct nvme_ctrl *ctrl, bool shutdown) { - cancel_work_sync(&to_tcp_ctrl(ctrl)->err_work); - cancel_delayed_work_sync(&to_tcp_ctrl(ctrl)->connect_work); - nvme_tcp_teardown_io_queues(ctrl, shutdown); nvme_stop_admin_queue(ctrl); if (shutdown) @@ -2236,6 +2232,12 @@ out_fail: nvme_tcp_reconnect_or_remove(ctrl); } +static void nvme_tcp_stop_ctrl(struct nvme_ctrl *ctrl) +{ + cancel_work_sync(&to_tcp_ctrl(ctrl)->err_work); + cancel_delayed_work_sync(&to_tcp_ctrl(ctrl)->connect_work); +} + static void nvme_tcp_free_ctrl(struct nvme_ctrl *nctrl) { struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); @@ -2557,6 +2559,7 @@ static const struct nvme_ctrl_ops nvme_tcp_ctrl_ops = { .submit_async_event = nvme_tcp_submit_async_event, .delete_ctrl = nvme_tcp_delete_ctrl, .get_address = nvmf_get_address, + .stop_ctrl = nvme_tcp_stop_ctrl, }; static bool diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index e44b2988759e..ff77c3d2354f 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -773,11 +773,31 @@ static ssize_t nvmet_passthru_io_timeout_store(struct config_item *item, } CONFIGFS_ATTR(nvmet_passthru_, io_timeout); +static ssize_t nvmet_passthru_clear_ids_show(struct config_item *item, + char *page) +{ + return sprintf(page, "%u\n", to_subsys(item->ci_parent)->clear_ids); +} + +static ssize_t nvmet_passthru_clear_ids_store(struct config_item *item, + const char *page, size_t count) +{ + struct nvmet_subsys *subsys = to_subsys(item->ci_parent); + unsigned int clear_ids; + + if (kstrtouint(page, 0, &clear_ids)) + return -EINVAL; + subsys->clear_ids = clear_ids; + return count; +} +CONFIGFS_ATTR(nvmet_passthru_, clear_ids); + static struct configfs_attribute *nvmet_passthru_attrs[] = { &nvmet_passthru_attr_device_path, &nvmet_passthru_attr_enable, &nvmet_passthru_attr_admin_timeout, &nvmet_passthru_attr_io_timeout, + &nvmet_passthru_attr_clear_ids, NULL, }; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 90e75324dae0..c27660a660d9 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -1374,6 +1374,12 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn, ctrl->port = req->port; ctrl->ops = req->ops; +#ifdef CONFIG_NVME_TARGET_PASSTHRU + /* By default, set loop targets to clear IDS by default */ + if (ctrl->port->disc_addr.trtype == NVMF_TRTYPE_LOOP) + subsys->clear_ids = 1; +#endif + INIT_WORK(&ctrl->async_event_work, nvmet_async_event_work); INIT_LIST_HEAD(&ctrl->async_events); INIT_RADIX_TREE(&ctrl->p2p_ns_map, GFP_KERNEL); diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 69818752a33a..2b3e5719f24e 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -249,6 +249,7 @@ struct nvmet_subsys { struct config_group passthru_group; unsigned int admin_timeout; unsigned int io_timeout; + unsigned int clear_ids; #endif /* CONFIG_NVME_TARGET_PASSTHRU */ #ifdef CONFIG_BLK_DEV_ZONED diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c index b1f7efab3918..6f39a29828b1 100644 --- a/drivers/nvme/target/passthru.c +++ b/drivers/nvme/target/passthru.c @@ -30,6 +30,53 @@ void nvmet_passthrough_override_cap(struct nvmet_ctrl *ctrl) ctrl->cap &= ~(1ULL << 43); } +static u16 nvmet_passthru_override_id_descs(struct nvmet_req *req) +{ + struct nvmet_ctrl *ctrl = req->sq->ctrl; + u16 status = NVME_SC_SUCCESS; + int pos, len; + bool csi_seen = false; + void *data; + u8 csi; + + if (!ctrl->subsys->clear_ids) + return status; + + data = kzalloc(NVME_IDENTIFY_DATA_SIZE, GFP_KERNEL); + if (!data) + return NVME_SC_INTERNAL; + + status = nvmet_copy_from_sgl(req, 0, data, NVME_IDENTIFY_DATA_SIZE); + if (status) + goto out_free; + + for (pos = 0; pos < NVME_IDENTIFY_DATA_SIZE; pos += len) { + struct nvme_ns_id_desc *cur = data + pos; + + if (cur->nidl == 0) + break; + if (cur->nidt == NVME_NIDT_CSI) { + memcpy(&csi, cur + 1, NVME_NIDT_CSI_LEN); + csi_seen = true; + break; + } + len = sizeof(struct nvme_ns_id_desc) + cur->nidl; + } + + memset(data, 0, NVME_IDENTIFY_DATA_SIZE); + if (csi_seen) { + struct nvme_ns_id_desc *cur = data; + + cur->nidt = NVME_NIDT_CSI; + cur->nidl = NVME_NIDT_CSI_LEN; + memcpy(cur + 1, &csi, NVME_NIDT_CSI_LEN); + } + status = nvmet_copy_to_sgl(req, 0, data, NVME_IDENTIFY_DATA_SIZE); +out_free: + kfree(data); + return status; +} + static u16 nvmet_passthru_override_id_ctrl(struct nvmet_req *req) { struct nvmet_ctrl *ctrl = req->sq->ctrl; @@ -152,6 +199,11 @@ static u16 nvmet_passthru_override_id_ns(struct nvmet_req *req) */ id->mc = 0; + if (req->sq->ctrl->subsys->clear_ids) { + memset(id->nguid, 0, NVME_NIDT_NGUID_LEN); + memset(id->eui64, 0, NVME_NIDT_EUI64_LEN); + } + status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id)); out_free: @@ -176,6 +228,9 @@ static void nvmet_passthru_execute_cmd_work(struct work_struct *w) case NVME_ID_CNS_NS: nvmet_passthru_override_id_ns(req); break; + case NVME_ID_CNS_NS_DESC_LIST: + nvmet_passthru_override_id_descs(req); + break; } } else if (status < 0) status = NVME_SC_INTERNAL; diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 2793554e622e..0a9542599ad1 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -405,7 +405,7 @@ err: return NVME_SC_INTERNAL; } -static void nvmet_tcp_send_ddgst(struct ahash_request *hash, +static void nvmet_tcp_calc_ddgst(struct ahash_request *hash, struct nvmet_tcp_cmd *cmd) { ahash_request_set_crypt(hash, cmd->req.sg, @@ -413,23 +413,6 @@ static void nvmet_tcp_send_ddgst(struct ahash_request *hash, crypto_ahash_digest(hash); } -static void nvmet_tcp_recv_ddgst(struct ahash_request *hash, - struct nvmet_tcp_cmd *cmd) -{ - struct scatterlist sg; - struct kvec *iov; - int i; - - crypto_ahash_init(hash); - for (i = 0, iov = cmd->iov; i < cmd->nr_mapped; i++, iov++) { - sg_init_one(&sg, iov->iov_base, iov->iov_len); - ahash_request_set_crypt(hash, &sg, NULL, iov->iov_len); - crypto_ahash_update(hash); - } - ahash_request_set_crypt(hash, NULL, (void *)&cmd->exp_ddgst, 0); - crypto_ahash_final(hash); -} - static void nvmet_setup_c2h_data_pdu(struct nvmet_tcp_cmd *cmd) { struct nvme_tcp_data_pdu *pdu = cmd->data_pdu; @@ -454,7 +437,7 @@ static void nvmet_setup_c2h_data_pdu(struct nvmet_tcp_cmd *cmd) if (queue->data_digest) { pdu->hdr.flags |= NVME_TCP_F_DDGST; - nvmet_tcp_send_ddgst(queue->snd_hash, cmd); + nvmet_tcp_calc_ddgst(queue->snd_hash, cmd); } if (cmd->queue->hdr_digest) { @@ -1137,7 +1120,7 @@ static void nvmet_tcp_prep_recv_ddgst(struct nvmet_tcp_cmd *cmd) { struct nvmet_tcp_queue *queue = cmd->queue; - nvmet_tcp_recv_ddgst(queue->rcv_hash, cmd); + nvmet_tcp_calc_ddgst(queue->rcv_hash, cmd); queue->offset = 0; queue->left = NVME_TCP_DIGEST_LENGTH; queue->rcv_state = NVMET_TCP_RECV_DDGST; diff --git a/drivers/platform/mellanox/nvsw-sn2201.c b/drivers/platform/mellanox/nvsw-sn2201.c index 2923daf63b75..7b9c107c17ce 100644 --- a/drivers/platform/mellanox/nvsw-sn2201.c +++ b/drivers/platform/mellanox/nvsw-sn2201.c @@ -890,6 +890,7 @@ nvsw_sn2201_create_static_devices(struct nvsw_sn2201 *nvsw_sn2201, int size) { struct mlxreg_hotplug_device *dev = devs; + int ret; int i; /* Create I2C static devices. */ @@ -901,6 +902,7 @@ nvsw_sn2201_create_static_devices(struct nvsw_sn2201 *nvsw_sn2201, dev->nr, dev->brdinfo->addr); dev->adapter = NULL; + ret = PTR_ERR(dev->client); goto fail_create_static_devices; } } @@ -914,7 +916,7 @@ fail_create_static_devices: dev->client = NULL; dev->adapter = NULL; } - return IS_ERR(dev->client); + return ret; } static void nvsw_sn2201_destroy_static_devices(struct nvsw_sn2201 *nvsw_sn2201, diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index f08ad85683cb..bc4013e950ed 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -945,6 +945,8 @@ config PANASONIC_LAPTOP tristate "Panasonic Laptop Extras" depends on INPUT && ACPI depends on BACKLIGHT_CLASS_DEVICE + depends on ACPI_VIDEO=n || ACPI_VIDEO + depends on SERIO_I8042 || SERIO_I8042 = n select INPUT_SPARSEKMAP help This driver adds support for access to backlight control and hotkeys diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 0d8cb22e30df..bc7020e9df9e 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -89,6 +89,7 @@ enum hp_wmi_event_ids { HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D, HPWMI_PEAKSHIFT_PERIOD = 0x0F, HPWMI_BATTERY_CHARGE_PERIOD = 0x10, + HPWMI_SANITIZATION_MODE = 0x17, }; /* @@ -853,6 +854,8 @@ static void hp_wmi_notify(u32 value, void *context) break; case HPWMI_BATTERY_CHARGE_PERIOD: break; + case HPWMI_SANITIZATION_MODE: + break; default: pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data); break; diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 3ccb7b71dfb1..abd0c81d62c4 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -152,6 +152,10 @@ static bool no_bt_rfkill; module_param(no_bt_rfkill, bool, 0444); MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); +static bool allow_v4_dytc; +module_param(allow_v4_dytc, bool, 0444); +MODULE_PARM_DESC(allow_v4_dytc, "Enable DYTC version 4 platform-profile support."); + /* * ACPI Helpers */ @@ -871,12 +875,18 @@ static void dytc_profile_refresh(struct ideapad_private *priv) static const struct dmi_system_id ideapad_dytc_v4_allow_table[] = { { /* Ideapad 5 Pro 16ACH6 */ - .ident = "LENOVO 82L5", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_NAME, "82L5") } }, + { + /* Ideapad 5 15ITL05 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "IdeaPad 5 15ITL05") + } + }, {} }; @@ -901,13 +911,16 @@ static int ideapad_dytc_profile_init(struct ideapad_private *priv) dytc_version = (output >> DYTC_QUERY_REV_BIT) & 0xF; - if (dytc_version < 5) { - if (dytc_version < 4 || !dmi_check_system(ideapad_dytc_v4_allow_table)) { - dev_info(&priv->platform_device->dev, - "DYTC_VERSION is less than 4 or is not allowed: %d\n", - dytc_version); - return -ENODEV; - } + if (dytc_version < 4) { + dev_info(&priv->platform_device->dev, "DYTC_VERSION < 4 is not supported\n"); + return -ENODEV; + } + + if (dytc_version < 5 && + !(allow_v4_dytc || dmi_check_system(ideapad_dytc_v4_allow_table))) { + dev_info(&priv->platform_device->dev, + "DYTC_VERSION 4 support may not work. Pass ideapad_laptop.allow_v4_dytc=Y on the kernel commandline to enable\n"); + return -ENODEV; } priv->dytc = kzalloc(sizeof(*priv->dytc), GFP_KERNEL); diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index 40183bda7894..a1fe1e0dcf4a 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -1911,6 +1911,7 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = { X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, &icl_reg_map), X86_MATCH_INTEL_FAM6_MODEL(ROCKETLAKE, &tgl_reg_map), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &tgl_reg_map), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &tgl_reg_map), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &adl_reg_map), X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, &tgl_reg_map), {} diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index 37850d07987d..615e39cbbbf1 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -119,20 +119,22 @@ * - v0.1 start from toshiba_acpi driver written by John Belmonte */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> +#include <linux/acpi.h> #include <linux/backlight.h> #include <linux/ctype.h> -#include <linux/seq_file.h> -#include <linux/uaccess.h> -#include <linux/slab.h> -#include <linux/acpi.h> +#include <linux/i8042.h> +#include <linux/init.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <linux/platform_device.h> - +#include <linux/seq_file.h> +#include <linux/serio.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/uaccess.h> +#include <acpi/video.h> MODULE_AUTHOR("Hiroshi Miura <miura@da-cha.org>"); MODULE_AUTHOR("David Bronaugh <dbronaugh@linuxboxen.org>"); @@ -241,6 +243,42 @@ struct pcc_acpi { struct platform_device *platform; }; +/* + * On some Panasonic models the volume up / down / mute keys send duplicate + * keypress events over the PS/2 kbd interface, filter these out. + */ +static bool panasonic_i8042_filter(unsigned char data, unsigned char str, + struct serio *port) +{ + static bool extended; + + if (str & I8042_STR_AUXDATA) + return false; + + if (data == 0xe0) { + extended = true; + return true; + } else if (extended) { + extended = false; + + switch (data & 0x7f) { + case 0x20: /* e0 20 / e0 a0, Volume Mute press / release */ + case 0x2e: /* e0 2e / e0 ae, Volume Down press / release */ + case 0x30: /* e0 30 / e0 b0, Volume Up press / release */ + return true; + default: + /* + * Report the previously filtered e0 before continuing + * with the next non-filtered byte. + */ + serio_interrupt(port, 0xe0, 0); + return false; + } + } + + return false; +} + /* method access functions */ static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val) { @@ -762,6 +800,8 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) struct input_dev *hotk_input_dev = pcc->input_dev; int rc; unsigned long long result; + unsigned int key; + unsigned int updown; rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY, NULL, &result); @@ -770,20 +810,27 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) return; } + key = result & 0xf; + updown = result & 0x80; /* 0x80 == key down; 0x00 = key up */ + /* hack: some firmware sends no key down for sleep / hibernate */ - if ((result & 0xf) == 0x7 || (result & 0xf) == 0xa) { - if (result & 0x80) + if (key == 7 || key == 10) { + if (updown) sleep_keydown_seen = 1; if (!sleep_keydown_seen) sparse_keymap_report_event(hotk_input_dev, - result & 0xf, 0x80, false); + key, 0x80, false); } - if ((result & 0xf) == 0x7 || (result & 0xf) == 0x9 || (result & 0xf) == 0xa) { - if (!sparse_keymap_report_event(hotk_input_dev, - result & 0xf, result & 0x80, false)) - pr_err("Unknown hotkey event: 0x%04llx\n", result); - } + /* + * Don't report brightness key-presses if they are also reported + * by the ACPI video bus. + */ + if ((key == 1 || key == 2) && acpi_video_handles_brightness_key_presses()) + return; + + if (!sparse_keymap_report_event(hotk_input_dev, key, updown, false)) + pr_err("Unknown hotkey event: 0x%04llx\n", result); } static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event) @@ -997,6 +1044,7 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) pcc->platform = NULL; } + i8042_install_filter(panasonic_i8042_filter); return 0; out_platform: @@ -1020,6 +1068,8 @@ static int acpi_pcc_hotkey_remove(struct acpi_device *device) if (!device || !pcc) return -EINVAL; + i8042_remove_filter(panasonic_i8042_filter); + if (pcc->platform) { device_remove_file(&pcc->platform->dev, &dev_attr_cdpower); platform_device_unregister(pcc->platform); diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index e6cb4a14cdd4..a8b383051528 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -4529,6 +4529,7 @@ static void thinkpad_acpi_amd_s2idle_restore(void) iounmap(addr); cleanup_resource: release_resource(res); + kfree(res); } static struct acpi_s2idle_dev_ops thinkpad_acpi_s2idle_dev_ops = { @@ -10299,21 +10300,15 @@ static struct ibm_struct proxsensor_driver_data = { #define DYTC_DISABLE_CQL DYTC_SET_COMMAND(DYTC_FUNCTION_CQL, DYTC_MODE_MMC_BALANCE, 0) #define DYTC_ENABLE_CQL DYTC_SET_COMMAND(DYTC_FUNCTION_CQL, DYTC_MODE_MMC_BALANCE, 1) -enum dytc_profile_funcmode { - DYTC_FUNCMODE_NONE = 0, - DYTC_FUNCMODE_MMC, - DYTC_FUNCMODE_PSC, -}; - -static enum dytc_profile_funcmode dytc_profile_available; static enum platform_profile_option dytc_current_profile; static atomic_t dytc_ignore_event = ATOMIC_INIT(0); static DEFINE_MUTEX(dytc_mutex); +static int dytc_capabilities; static bool dytc_mmc_get_available; static int convert_dytc_to_profile(int dytcmode, enum platform_profile_option *profile) { - if (dytc_profile_available == DYTC_FUNCMODE_MMC) { + if (dytc_capabilities & BIT(DYTC_FC_MMC)) { switch (dytcmode) { case DYTC_MODE_MMC_LOWPOWER: *profile = PLATFORM_PROFILE_LOW_POWER; @@ -10330,7 +10325,7 @@ static int convert_dytc_to_profile(int dytcmode, enum platform_profile_option *p } return 0; } - if (dytc_profile_available == DYTC_FUNCMODE_PSC) { + if (dytc_capabilities & BIT(DYTC_FC_PSC)) { switch (dytcmode) { case DYTC_MODE_PSC_LOWPOWER: *profile = PLATFORM_PROFILE_LOW_POWER; @@ -10352,21 +10347,21 @@ static int convert_profile_to_dytc(enum platform_profile_option profile, int *pe { switch (profile) { case PLATFORM_PROFILE_LOW_POWER: - if (dytc_profile_available == DYTC_FUNCMODE_MMC) + if (dytc_capabilities & BIT(DYTC_FC_MMC)) *perfmode = DYTC_MODE_MMC_LOWPOWER; - else if (dytc_profile_available == DYTC_FUNCMODE_PSC) + else if (dytc_capabilities & BIT(DYTC_FC_PSC)) *perfmode = DYTC_MODE_PSC_LOWPOWER; break; case PLATFORM_PROFILE_BALANCED: - if (dytc_profile_available == DYTC_FUNCMODE_MMC) + if (dytc_capabilities & BIT(DYTC_FC_MMC)) *perfmode = DYTC_MODE_MMC_BALANCE; - else if (dytc_profile_available == DYTC_FUNCMODE_PSC) + else if (dytc_capabilities & BIT(DYTC_FC_PSC)) *perfmode = DYTC_MODE_PSC_BALANCE; break; case PLATFORM_PROFILE_PERFORMANCE: - if (dytc_profile_available == DYTC_FUNCMODE_MMC) + if (dytc_capabilities & BIT(DYTC_FC_MMC)) *perfmode = DYTC_MODE_MMC_PERFORM; - else if (dytc_profile_available == DYTC_FUNCMODE_PSC) + else if (dytc_capabilities & BIT(DYTC_FC_PSC)) *perfmode = DYTC_MODE_PSC_PERFORM; break; default: /* Unknown profile */ @@ -10445,7 +10440,7 @@ static int dytc_profile_set(struct platform_profile_handler *pprof, if (err) goto unlock; - if (dytc_profile_available == DYTC_FUNCMODE_MMC) { + if (dytc_capabilities & BIT(DYTC_FC_MMC)) { if (profile == PLATFORM_PROFILE_BALANCED) { /* * To get back to balanced mode we need to issue a reset command. @@ -10464,7 +10459,7 @@ static int dytc_profile_set(struct platform_profile_handler *pprof, goto unlock; } } - if (dytc_profile_available == DYTC_FUNCMODE_PSC) { + if (dytc_capabilities & BIT(DYTC_FC_PSC)) { err = dytc_command(DYTC_SET_COMMAND(DYTC_FUNCTION_PSC, perfmode, 1), &output); if (err) goto unlock; @@ -10483,12 +10478,12 @@ static void dytc_profile_refresh(void) int perfmode; mutex_lock(&dytc_mutex); - if (dytc_profile_available == DYTC_FUNCMODE_MMC) { + if (dytc_capabilities & BIT(DYTC_FC_MMC)) { if (dytc_mmc_get_available) err = dytc_command(DYTC_CMD_MMC_GET, &output); else err = dytc_cql_command(DYTC_CMD_GET, &output); - } else if (dytc_profile_available == DYTC_FUNCMODE_PSC) + } else if (dytc_capabilities & BIT(DYTC_FC_PSC)) err = dytc_command(DYTC_CMD_GET, &output); mutex_unlock(&dytc_mutex); @@ -10517,7 +10512,6 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm) set_bit(PLATFORM_PROFILE_BALANCED, dytc_profile.choices); set_bit(PLATFORM_PROFILE_PERFORMANCE, dytc_profile.choices); - dytc_profile_available = DYTC_FUNCMODE_NONE; err = dytc_command(DYTC_CMD_QUERY, &output); if (err) return err; @@ -10530,13 +10524,12 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm) return -ENODEV; /* Check what capabilities are supported */ - err = dytc_command(DYTC_CMD_FUNC_CAP, &output); + err = dytc_command(DYTC_CMD_FUNC_CAP, &dytc_capabilities); if (err) return err; - if (output & BIT(DYTC_FC_MMC)) { /* MMC MODE */ - dytc_profile_available = DYTC_FUNCMODE_MMC; - + if (dytc_capabilities & BIT(DYTC_FC_MMC)) { /* MMC MODE */ + pr_debug("MMC is supported\n"); /* * Check if MMC_GET functionality available * Version > 6 and return success from MMC_GET command @@ -10547,8 +10540,13 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm) if (!err && ((output & DYTC_ERR_MASK) == DYTC_ERR_SUCCESS)) dytc_mmc_get_available = true; } - } else if (output & BIT(DYTC_FC_PSC)) { /* PSC MODE */ - dytc_profile_available = DYTC_FUNCMODE_PSC; + } else if (dytc_capabilities & BIT(DYTC_FC_PSC)) { /* PSC MODE */ + /* Support for this only works on AMD platforms */ + if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD) { + dbg_printk(TPACPI_DBG_INIT, "PSC not support on Intel platforms\n"); + return -ENODEV; + } + pr_debug("PSC is supported\n"); } else { dbg_printk(TPACPI_DBG_INIT, "No DYTC support available\n"); return -ENODEV; @@ -10574,7 +10572,6 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm) static void dytc_profile_exit(void) { - dytc_profile_available = DYTC_FUNCMODE_NONE; platform_profile_remove(); } diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c index 7dff94a2eb7e..ef6e47d025ca 100644 --- a/drivers/regulator/qcom_smd-regulator.c +++ b/drivers/regulator/qcom_smd-regulator.c @@ -723,19 +723,19 @@ static const struct regulator_desc pms405_pldo600 = { static const struct regulator_desc mp5496_smpa2 = { .linear_ranges = (struct linear_range[]) { - REGULATOR_LINEAR_RANGE(725000, 0, 27, 12500), + REGULATOR_LINEAR_RANGE(600000, 0, 127, 12500), }, .n_linear_ranges = 1, - .n_voltages = 28, + .n_voltages = 128, .ops = &rpm_mp5496_ops, }; static const struct regulator_desc mp5496_ldoa2 = { .linear_ranges = (struct linear_range[]) { - REGULATOR_LINEAR_RANGE(1800000, 0, 60, 25000), + REGULATOR_LINEAR_RANGE(800000, 0, 127, 25000), }, .n_linear_ranges = 1, - .n_voltages = 61, + .n_voltages = 128, .ops = &rpm_mp5496_ops, }; diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index cb2491761958..ae1d6ee382a5 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -60,7 +60,7 @@ static LIST_HEAD(sclp_reg_list); /* List of queued requests. */ static LIST_HEAD(sclp_req_queue); -/* Data for read and and init requests. */ +/* Data for read and init requests. */ static struct sclp_req sclp_read_req; static struct sclp_req sclp_init_req; static void *sclp_read_sccb; diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index 97e51c34e6cf..161d3b141f0d 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -1136,8 +1136,13 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev, vcdev->err = -EIO; } virtio_ccw_check_activity(vcdev, activity); - /* Interrupts are disabled here */ +#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION + /* + * Paired with virtio_ccw_synchronize_cbs() and interrupts are + * disabled here. + */ read_lock(&vcdev->irq_lock); +#endif for_each_set_bit(i, indicators(vcdev), sizeof(*indicators(vcdev)) * BITS_PER_BYTE) { /* The bit clear must happen before the vring kick. */ @@ -1146,7 +1151,9 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev, vq = virtio_ccw_vq_by_ind(vcdev, i); vring_interrupt(0, vq); } +#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION read_unlock(&vcdev->irq_lock); +#endif if (test_bit(0, indicators2(vcdev))) { virtio_config_changed(&vcdev->vdev); clear_bit(0, indicators2(vcdev)); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 7d819fc0395e..eb86afb21aab 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2782,6 +2782,7 @@ static int slave_configure_v3_hw(struct scsi_device *sdev) struct hisi_hba *hisi_hba = shost_priv(shost); struct device *dev = hisi_hba->dev; int ret = sas_slave_configure(sdev); + unsigned int max_sectors; if (ret) return ret; @@ -2799,6 +2800,12 @@ static int slave_configure_v3_hw(struct scsi_device *sdev) } } + /* Set according to IOMMU IOVA caching limit */ + max_sectors = min_t(size_t, queue_max_hw_sectors(sdev->request_queue), + (PAGE_SIZE * 32) >> SECTOR_SHIFT); + + blk_queue_max_hw_sectors(sdev->request_queue, max_sectors); + return 0; } diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index d0eab5700dc5..00684e11976b 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -160,8 +160,8 @@ static void ibmvfc_npiv_logout(struct ibmvfc_host *); static void ibmvfc_tgt_implicit_logout_and_del(struct ibmvfc_target *); static void ibmvfc_tgt_move_login(struct ibmvfc_target *); -static void ibmvfc_release_sub_crqs(struct ibmvfc_host *); -static void ibmvfc_init_sub_crqs(struct ibmvfc_host *); +static void ibmvfc_dereg_sub_crqs(struct ibmvfc_host *); +static void ibmvfc_reg_sub_crqs(struct ibmvfc_host *); static const char *unknown_error = "unknown error"; @@ -917,7 +917,7 @@ static int ibmvfc_reenable_crq_queue(struct ibmvfc_host *vhost) struct vio_dev *vdev = to_vio_dev(vhost->dev); unsigned long flags; - ibmvfc_release_sub_crqs(vhost); + ibmvfc_dereg_sub_crqs(vhost); /* Re-enable the CRQ */ do { @@ -936,7 +936,7 @@ static int ibmvfc_reenable_crq_queue(struct ibmvfc_host *vhost) spin_unlock(vhost->crq.q_lock); spin_unlock_irqrestore(vhost->host->host_lock, flags); - ibmvfc_init_sub_crqs(vhost); + ibmvfc_reg_sub_crqs(vhost); return rc; } @@ -955,7 +955,7 @@ static int ibmvfc_reset_crq(struct ibmvfc_host *vhost) struct vio_dev *vdev = to_vio_dev(vhost->dev); struct ibmvfc_queue *crq = &vhost->crq; - ibmvfc_release_sub_crqs(vhost); + ibmvfc_dereg_sub_crqs(vhost); /* Close the CRQ */ do { @@ -988,7 +988,7 @@ static int ibmvfc_reset_crq(struct ibmvfc_host *vhost) spin_unlock(vhost->crq.q_lock); spin_unlock_irqrestore(vhost->host->host_lock, flags); - ibmvfc_init_sub_crqs(vhost); + ibmvfc_reg_sub_crqs(vhost); return rc; } @@ -5682,6 +5682,8 @@ static int ibmvfc_alloc_queue(struct ibmvfc_host *vhost, queue->cur = 0; queue->fmt = fmt; queue->size = PAGE_SIZE / fmt_size; + + queue->vhost = vhost; return 0; } @@ -5757,9 +5759,6 @@ static int ibmvfc_register_scsi_channel(struct ibmvfc_host *vhost, ENTER; - if (ibmvfc_alloc_queue(vhost, scrq, IBMVFC_SUB_CRQ_FMT)) - return -ENOMEM; - rc = h_reg_sub_crq(vdev->unit_address, scrq->msg_token, PAGE_SIZE, &scrq->cookie, &scrq->hw_irq); @@ -5790,7 +5789,6 @@ static int ibmvfc_register_scsi_channel(struct ibmvfc_host *vhost, } scrq->hwq_id = index; - scrq->vhost = vhost; LEAVE; return 0; @@ -5800,7 +5798,6 @@ irq_failed: rc = plpar_hcall_norets(H_FREE_SUB_CRQ, vdev->unit_address, scrq->cookie); } while (rtas_busy_delay(rc)); reg_failed: - ibmvfc_free_queue(vhost, scrq); LEAVE; return rc; } @@ -5826,12 +5823,50 @@ static void ibmvfc_deregister_scsi_channel(struct ibmvfc_host *vhost, int index) if (rc) dev_err(dev, "Failed to free sub-crq[%d]: rc=%ld\n", index, rc); - ibmvfc_free_queue(vhost, scrq); + /* Clean out the queue */ + memset(scrq->msgs.crq, 0, PAGE_SIZE); + scrq->cur = 0; + + LEAVE; +} + +static void ibmvfc_reg_sub_crqs(struct ibmvfc_host *vhost) +{ + int i, j; + + ENTER; + if (!vhost->mq_enabled || !vhost->scsi_scrqs.scrqs) + return; + + for (i = 0; i < nr_scsi_hw_queues; i++) { + if (ibmvfc_register_scsi_channel(vhost, i)) { + for (j = i; j > 0; j--) + ibmvfc_deregister_scsi_channel(vhost, j - 1); + vhost->do_enquiry = 0; + return; + } + } + + LEAVE; +} + +static void ibmvfc_dereg_sub_crqs(struct ibmvfc_host *vhost) +{ + int i; + + ENTER; + if (!vhost->mq_enabled || !vhost->scsi_scrqs.scrqs) + return; + + for (i = 0; i < nr_scsi_hw_queues; i++) + ibmvfc_deregister_scsi_channel(vhost, i); + LEAVE; } static void ibmvfc_init_sub_crqs(struct ibmvfc_host *vhost) { + struct ibmvfc_queue *scrq; int i, j; ENTER; @@ -5847,30 +5882,41 @@ static void ibmvfc_init_sub_crqs(struct ibmvfc_host *vhost) } for (i = 0; i < nr_scsi_hw_queues; i++) { - if (ibmvfc_register_scsi_channel(vhost, i)) { - for (j = i; j > 0; j--) - ibmvfc_deregister_scsi_channel(vhost, j - 1); + scrq = &vhost->scsi_scrqs.scrqs[i]; + if (ibmvfc_alloc_queue(vhost, scrq, IBMVFC_SUB_CRQ_FMT)) { + for (j = i; j > 0; j--) { + scrq = &vhost->scsi_scrqs.scrqs[j - 1]; + ibmvfc_free_queue(vhost, scrq); + } kfree(vhost->scsi_scrqs.scrqs); vhost->scsi_scrqs.scrqs = NULL; vhost->scsi_scrqs.active_queues = 0; vhost->do_enquiry = 0; - break; + vhost->mq_enabled = 0; + return; } } + ibmvfc_reg_sub_crqs(vhost); + LEAVE; } static void ibmvfc_release_sub_crqs(struct ibmvfc_host *vhost) { + struct ibmvfc_queue *scrq; int i; ENTER; if (!vhost->scsi_scrqs.scrqs) return; - for (i = 0; i < nr_scsi_hw_queues; i++) - ibmvfc_deregister_scsi_channel(vhost, i); + ibmvfc_dereg_sub_crqs(vhost); + + for (i = 0; i < nr_scsi_hw_queues; i++) { + scrq = &vhost->scsi_scrqs.scrqs[i]; + ibmvfc_free_queue(vhost, scrq); + } kfree(vhost->scsi_scrqs.scrqs); vhost->scsi_scrqs.scrqs = NULL; diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index 3718406e0988..c39a245f43d0 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -789,6 +789,7 @@ struct ibmvfc_queue { spinlock_t _lock; spinlock_t *q_lock; + struct ibmvfc_host *vhost; struct ibmvfc_event_pool evt_pool; struct list_head sent; struct list_head free; @@ -797,7 +798,6 @@ struct ibmvfc_queue { union ibmvfc_iu cancel_rsp; /* Sub-CRQ fields */ - struct ibmvfc_host *vhost; unsigned long cookie; unsigned long vios_cookie; unsigned long hw_irq; diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 1f423f723d06..b8a76b89f85a 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -2826,6 +2826,24 @@ static void zbc_open_zone(struct sdebug_dev_info *devip, } } +static inline void zbc_set_zone_full(struct sdebug_dev_info *devip, + struct sdeb_zone_state *zsp) +{ + switch (zsp->z_cond) { + case ZC2_IMPLICIT_OPEN: + devip->nr_imp_open--; + break; + case ZC3_EXPLICIT_OPEN: + devip->nr_exp_open--; + break; + default: + WARN_ONCE(true, "Invalid zone %llu condition %x\n", + zsp->z_start, zsp->z_cond); + break; + } + zsp->z_cond = ZC5_FULL; +} + static void zbc_inc_wp(struct sdebug_dev_info *devip, unsigned long long lba, unsigned int num) { @@ -2838,7 +2856,7 @@ static void zbc_inc_wp(struct sdebug_dev_info *devip, if (zsp->z_type == ZBC_ZTYPE_SWR) { zsp->z_wp += num; if (zsp->z_wp >= zend) - zsp->z_cond = ZC5_FULL; + zbc_set_zone_full(devip, zsp); return; } @@ -2857,7 +2875,7 @@ static void zbc_inc_wp(struct sdebug_dev_info *devip, n = num; } if (zsp->z_wp >= zend) - zsp->z_cond = ZC5_FULL; + zbc_set_zone_full(devip, zsp); num -= n; lba += n; diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 2c0dd64159b0..5d21f07456c6 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -212,7 +212,12 @@ iscsi_create_endpoint(int dd_size) return NULL; mutex_lock(&iscsi_ep_idr_mutex); - id = idr_alloc(&iscsi_ep_idr, ep, 0, -1, GFP_NOIO); + + /* + * First endpoint id should be 1 to comply with user space + * applications (iscsid). + */ + id = idr_alloc(&iscsi_ep_idr, ep, 1, -1, GFP_NOIO); if (id < 0) { mutex_unlock(&iscsi_ep_idr_mutex); printk(KERN_ERR "Could not allocate endpoint ID. Error %d.\n", diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index ca3530982e52..fe000da11332 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1844,7 +1844,7 @@ static struct scsi_host_template scsi_driver = { .cmd_per_lun = 2048, .this_id = -1, /* Ensure there are no gaps in presented sgls */ - .virt_boundary_mask = PAGE_SIZE-1, + .virt_boundary_mask = HV_HYP_PAGE_SIZE - 1, .no_write_same = 1, .track_queue_depth = 1, .change_queue_depth = storvsc_change_queue_depth, @@ -1895,6 +1895,7 @@ static int storvsc_probe(struct hv_device *device, int target = 0; struct storvsc_device *stor_device; int max_sub_channels = 0; + u32 max_xfer_bytes; /* * We support sub-channels for storage on SCSI and FC controllers. @@ -1968,12 +1969,28 @@ static int storvsc_probe(struct hv_device *device, } /* max cmd length */ host->max_cmd_len = STORVSC_MAX_CMD_LEN; - /* - * set the table size based on the info we got - * from the host. + * Any reasonable Hyper-V configuration should provide + * max_transfer_bytes value aligning to HV_HYP_PAGE_SIZE, + * protecting it from any weird value. + */ + max_xfer_bytes = round_down(stor_device->max_transfer_bytes, HV_HYP_PAGE_SIZE); + /* max_hw_sectors_kb */ + host->max_sectors = max_xfer_bytes >> 9; + /* + * There are 2 requirements for Hyper-V storvsc sgl segments, + * based on which the below calculation for max segments is + * done: + * + * 1. Except for the first and last sgl segment, all sgl segments + * should be align to HV_HYP_PAGE_SIZE, that also means the + * maximum number of segments in a sgl can be calculated by + * dividing the total max transfer length by HV_HYP_PAGE_SIZE. + * + * 2. Except for the first and last, each entry in the SGL must + * have an offset that is a multiple of HV_HYP_PAGE_SIZE. */ - host->sg_tablesize = (stor_device->max_transfer_bytes >> PAGE_SHIFT); + host->sg_tablesize = (max_xfer_bytes >> HV_HYP_PAGE_SHIFT) + 1; /* * For non-IDE disks, the host supports multiple channels. * Set the number of HW queues we are supporting. diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c index 3cbb165d6e30..70ad0f3dce28 100644 --- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c +++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c @@ -783,6 +783,7 @@ static int brcmstb_pm_probe(struct platform_device *pdev) } ret = brcmstb_init_sram(dn); + of_node_put(dn); if (ret) { pr_err("error setting up SRAM for PM\n"); return ret; diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c index 7f49385ed2f8..7ebc28709e94 100644 --- a/drivers/soc/imx/imx8m-blk-ctrl.c +++ b/drivers/soc/imx/imx8m-blk-ctrl.c @@ -667,7 +667,7 @@ static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[ }, [IMX8MP_MEDIABLK_PD_LCDIF_2] = { .name = "mediablk-lcdif-2", - .clk_names = (const char *[]){ "disp1", "apb", "axi", }, + .clk_names = (const char *[]){ "disp2", "apb", "axi", }, .num_clks = 3, .gpc_name = "lcdif2", .rst_mask = BIT(11) | BIT(12) | BIT(24), diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index a23d4f6329f5..31d778e9d255 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -69,6 +69,7 @@ #define CDNS_SPI_BAUD_DIV_SHIFT 3 /* Baud rate divisor shift in CR */ #define CDNS_SPI_SS_SHIFT 10 /* Slave Select field shift in CR */ #define CDNS_SPI_SS0 0x1 /* Slave Select zero */ +#define CDNS_SPI_NOSS 0x3C /* No Slave select */ /* * SPI Interrupt Registers bit Masks @@ -92,9 +93,6 @@ #define CDNS_SPI_ER_ENABLE 0x00000001 /* SPI Enable Bit Mask */ #define CDNS_SPI_ER_DISABLE 0x0 /* SPI Disable Bit Mask */ -/* SPI FIFO depth in bytes */ -#define CDNS_SPI_FIFO_DEPTH 128 - /* Default number of chip select lines */ #define CDNS_SPI_DEFAULT_NUM_CS 4 @@ -110,6 +108,7 @@ * @rx_bytes: Number of bytes requested * @dev_busy: Device busy flag * @is_decoded_cs: Flag for decoder property set or not + * @tx_fifo_depth: Depth of the TX FIFO */ struct cdns_spi { void __iomem *regs; @@ -123,6 +122,7 @@ struct cdns_spi { int rx_bytes; u8 dev_busy; u32 is_decoded_cs; + unsigned int tx_fifo_depth; }; /* Macros for the SPI controller read/write */ @@ -304,7 +304,7 @@ static void cdns_spi_fill_tx_fifo(struct cdns_spi *xspi) { unsigned long trans_cnt = 0; - while ((trans_cnt < CDNS_SPI_FIFO_DEPTH) && + while ((trans_cnt < xspi->tx_fifo_depth) && (xspi->tx_bytes > 0)) { /* When xspi in busy condition, bytes may send failed, @@ -450,20 +450,43 @@ static int cdns_prepare_transfer_hardware(struct spi_master *master) * @master: Pointer to the spi_master structure which provides * information about the controller. * - * This function disables the SPI master controller. + * This function disables the SPI master controller when no slave selected. * * Return: 0 always */ static int cdns_unprepare_transfer_hardware(struct spi_master *master) { struct cdns_spi *xspi = spi_master_get_devdata(master); + u32 ctrl_reg; - cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE); + /* Disable the SPI if slave is deselected */ + ctrl_reg = cdns_spi_read(xspi, CDNS_SPI_CR); + ctrl_reg = (ctrl_reg & CDNS_SPI_CR_SSCTRL) >> CDNS_SPI_SS_SHIFT; + if (ctrl_reg == CDNS_SPI_NOSS) + cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE); return 0; } /** + * cdns_spi_detect_fifo_depth - Detect the FIFO depth of the hardware + * @xspi: Pointer to the cdns_spi structure + * + * The depth of the TX FIFO is a synthesis configuration parameter of the SPI + * IP. The FIFO threshold register is sized so that its maximum value can be the + * FIFO size - 1. This is used to detect the size of the FIFO. + */ +static void cdns_spi_detect_fifo_depth(struct cdns_spi *xspi) +{ + /* The MSBs will get truncated giving us the size of the FIFO */ + cdns_spi_write(xspi, CDNS_SPI_THLD, 0xffff); + xspi->tx_fifo_depth = cdns_spi_read(xspi, CDNS_SPI_THLD) + 1; + + /* Reset to default */ + cdns_spi_write(xspi, CDNS_SPI_THLD, 0x1); +} + +/** * cdns_spi_probe - Probe method for the SPI driver * @pdev: Pointer to the platform_device structure * @@ -535,6 +558,8 @@ static int cdns_spi_probe(struct platform_device *pdev) if (ret < 0) xspi->is_decoded_cs = 0; + cdns_spi_detect_fifo_depth(xspi); + /* SPI controller initializations */ cdns_spi_init_hw(xspi); diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index e8de4f5017cd..0c79193d9697 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -808,7 +808,7 @@ int spi_mem_poll_status(struct spi_mem *mem, op->data.dir != SPI_MEM_DATA_IN) return -EINVAL; - if (ctlr->mem_ops && ctlr->mem_ops->poll_status) { + if (ctlr->mem_ops && ctlr->mem_ops->poll_status && !mem->spi->cs_gpiod) { ret = spi_mem_access_start(mem); if (ret) return ret; diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index a08215eb9e14..79242dc5272d 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -381,15 +381,18 @@ static int rockchip_spi_prepare_irq(struct rockchip_spi *rs, rs->tx_left = rs->tx ? xfer->len / rs->n_bytes : 0; rs->rx_left = xfer->len / rs->n_bytes; - if (rs->cs_inactive) - writel_relaxed(INT_RF_FULL | INT_CS_INACTIVE, rs->regs + ROCKCHIP_SPI_IMR); - else - writel_relaxed(INT_RF_FULL, rs->regs + ROCKCHIP_SPI_IMR); + writel_relaxed(0xffffffff, rs->regs + ROCKCHIP_SPI_ICR); + spi_enable_chip(rs, true); if (rs->tx_left) rockchip_spi_pio_writer(rs); + if (rs->cs_inactive) + writel_relaxed(INT_RF_FULL | INT_CS_INACTIVE, rs->regs + ROCKCHIP_SPI_IMR); + else + writel_relaxed(INT_RF_FULL, rs->regs + ROCKCHIP_SPI_IMR); + /* 1 means the transfer is in progress */ return 1; } diff --git a/drivers/thermal/intel/intel_tcc_cooling.c b/drivers/thermal/intel/intel_tcc_cooling.c index cd80c7db4073..a9596e7562ea 100644 --- a/drivers/thermal/intel/intel_tcc_cooling.c +++ b/drivers/thermal/intel/intel_tcc_cooling.c @@ -81,6 +81,7 @@ static const struct x86_cpu_id tcc_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, NULL), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, NULL), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, NULL), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, NULL), {} }; diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 18e623325887..d2b2720db6ca 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -581,7 +581,6 @@ void __handle_sysrq(int key, bool check_mask) rcu_sysrq_start(); rcu_read_lock(); - printk_prefer_direct_enter(); /* * Raise the apparent loglevel to maximum so that the sysrq header * is shown to provide the user with positive feedback. We do not @@ -623,7 +622,6 @@ void __handle_sysrq(int key, bool check_mask) pr_cont("\n"); console_loglevel = orig_log_level; } - printk_prefer_direct_exit(); rcu_read_unlock(); rcu_sysrq_end(); diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 01fb4bad86be..ce86d1b790c0 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -748,17 +748,28 @@ static enum utp_ocs ufshcd_get_tr_ocs(struct ufshcd_lrb *lrbp) } /** - * ufshcd_utrl_clear - Clear a bit in UTRLCLR register + * ufshcd_utrl_clear() - Clear requests from the controller request list. * @hba: per adapter instance - * @pos: position of the bit to be cleared + * @mask: mask with one bit set for each request to be cleared */ -static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 pos) +static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 mask) { if (hba->quirks & UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR) - ufshcd_writel(hba, (1 << pos), REG_UTP_TRANSFER_REQ_LIST_CLEAR); - else - ufshcd_writel(hba, ~(1 << pos), - REG_UTP_TRANSFER_REQ_LIST_CLEAR); + mask = ~mask; + /* + * From the UFSHCI specification: "UTP Transfer Request List CLear + * Register (UTRLCLR): This field is bit significant. Each bit + * corresponds to a slot in the UTP Transfer Request List, where bit 0 + * corresponds to request slot 0. A bit in this field is set to ‘0’ + * by host software to indicate to the host controller that a transfer + * request slot is cleared. The host controller + * shall free up any resources associated to the request slot + * immediately, and shall set the associated bit in UTRLDBR to ‘0’. The + * host software indicates no change to request slots by setting the + * associated bits in this field to ‘1’. Bits in this field shall only + * be set ‘1’ or ‘0’ by host software when UTRLRSR is set to ‘1’." + */ + ufshcd_writel(hba, ~mask, REG_UTP_TRANSFER_REQ_LIST_CLEAR); } /** @@ -2863,27 +2874,26 @@ static int ufshcd_compose_dev_cmd(struct ufs_hba *hba, return ufshcd_compose_devman_upiu(hba, lrbp); } -static int -ufshcd_clear_cmd(struct ufs_hba *hba, int tag) +/* + * Clear all the requests from the controller for which a bit has been set in + * @mask and wait until the controller confirms that these requests have been + * cleared. + */ +static int ufshcd_clear_cmds(struct ufs_hba *hba, u32 mask) { - int err = 0; unsigned long flags; - u32 mask = 1 << tag; /* clear outstanding transaction before retry */ spin_lock_irqsave(hba->host->host_lock, flags); - ufshcd_utrl_clear(hba, tag); + ufshcd_utrl_clear(hba, mask); spin_unlock_irqrestore(hba->host->host_lock, flags); /* * wait for h/w to clear corresponding bit in door-bell. * max. wait is 1 sec. */ - err = ufshcd_wait_for_register(hba, - REG_UTP_TRANSFER_REQ_DOOR_BELL, - mask, ~mask, 1000, 1000); - - return err; + return ufshcd_wait_for_register(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL, + mask, ~mask, 1000, 1000); } static int @@ -2963,7 +2973,7 @@ static int ufshcd_wait_for_dev_cmd(struct ufs_hba *hba, err = -ETIMEDOUT; dev_dbg(hba->dev, "%s: dev_cmd request timedout, tag %d\n", __func__, lrbp->task_tag); - if (!ufshcd_clear_cmd(hba, lrbp->task_tag)) + if (!ufshcd_clear_cmds(hba, 1U << lrbp->task_tag)) /* successfully cleared the command, retry if needed */ err = -EAGAIN; /* @@ -6958,14 +6968,14 @@ int ufshcd_exec_raw_upiu_cmd(struct ufs_hba *hba, } /** - * ufshcd_eh_device_reset_handler - device reset handler registered to - * scsi layer. + * ufshcd_eh_device_reset_handler() - Reset a single logical unit. * @cmd: SCSI command pointer * * Returns SUCCESS/FAILED */ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd) { + unsigned long flags, pending_reqs = 0, not_cleared = 0; struct Scsi_Host *host; struct ufs_hba *hba; u32 pos; @@ -6984,14 +6994,24 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd) } /* clear the commands that were pending for corresponding LUN */ - for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs) { - if (hba->lrb[pos].lun == lun) { - err = ufshcd_clear_cmd(hba, pos); - if (err) - break; - __ufshcd_transfer_req_compl(hba, 1U << pos); - } + spin_lock_irqsave(&hba->outstanding_lock, flags); + for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs) + if (hba->lrb[pos].lun == lun) + __set_bit(pos, &pending_reqs); + hba->outstanding_reqs &= ~pending_reqs; + spin_unlock_irqrestore(&hba->outstanding_lock, flags); + + if (ufshcd_clear_cmds(hba, pending_reqs) < 0) { + spin_lock_irqsave(&hba->outstanding_lock, flags); + not_cleared = pending_reqs & + ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL); + hba->outstanding_reqs |= not_cleared; + spin_unlock_irqrestore(&hba->outstanding_lock, flags); + + dev_err(hba->dev, "%s: failed to clear requests %#lx\n", + __func__, not_cleared); } + __ufshcd_transfer_req_compl(hba, pending_reqs & ~not_cleared); out: hba->req_abort_count = 0; @@ -7088,7 +7108,7 @@ static int ufshcd_try_to_abort_task(struct ufs_hba *hba, int tag) goto out; } - err = ufshcd_clear_cmd(hba, tag); + err = ufshcd_clear_cmds(hba, 1U << tag); if (err) dev_err(hba->dev, "%s: Failed clearing cmd at tag %d, err %d\n", __func__, tag, err); diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index dc6c96e04bcf..3b8bf6daf7d0 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1048,6 +1048,9 @@ isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req) struct ci_hdrc *ci = req->context; unsigned long flags; + if (req->status < 0) + return; + if (ci->setaddr) { hw_usb_set_address(ci, ci->address); ci->setaddr = false; diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index a9bb4553db84..d42bb3346745 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -424,6 +424,9 @@ static void uvcg_video_pump(struct work_struct *work) uvcg_queue_cancel(queue, 0); break; } + + /* Endpoint now owns the request */ + req = NULL; video->req_int_count++; } diff --git a/drivers/usb/gadget/legacy/raw_gadget.c b/drivers/usb/gadget/legacy/raw_gadget.c index 241740024c50..2acece16b890 100644 --- a/drivers/usb/gadget/legacy/raw_gadget.c +++ b/drivers/usb/gadget/legacy/raw_gadget.c @@ -11,6 +11,7 @@ #include <linux/ctype.h> #include <linux/debugfs.h> #include <linux/delay.h> +#include <linux/idr.h> #include <linux/kref.h> #include <linux/miscdevice.h> #include <linux/module.h> @@ -36,6 +37,9 @@ MODULE_LICENSE("GPL"); /*----------------------------------------------------------------------*/ +static DEFINE_IDA(driver_id_numbers); +#define DRIVER_DRIVER_NAME_LENGTH_MAX 32 + #define RAW_EVENT_QUEUE_SIZE 16 struct raw_event_queue { @@ -161,6 +165,9 @@ struct raw_dev { /* Reference to misc device: */ struct device *dev; + /* Make driver names unique */ + int driver_id_number; + /* Protected by lock: */ enum dev_state state; bool gadget_registered; @@ -189,6 +196,7 @@ static struct raw_dev *dev_new(void) spin_lock_init(&dev->lock); init_completion(&dev->ep0_done); raw_event_queue_init(&dev->queue); + dev->driver_id_number = -1; return dev; } @@ -199,6 +207,9 @@ static void dev_free(struct kref *kref) kfree(dev->udc_name); kfree(dev->driver.udc_name); + kfree(dev->driver.driver.name); + if (dev->driver_id_number >= 0) + ida_free(&driver_id_numbers, dev->driver_id_number); if (dev->req) { if (dev->ep0_urb_queued) usb_ep_dequeue(dev->gadget->ep0, dev->req); @@ -419,9 +430,11 @@ out_put: static int raw_ioctl_init(struct raw_dev *dev, unsigned long value) { int ret = 0; + int driver_id_number; struct usb_raw_init arg; char *udc_driver_name; char *udc_device_name; + char *driver_driver_name; unsigned long flags; if (copy_from_user(&arg, (void __user *)value, sizeof(arg))) @@ -440,36 +453,43 @@ static int raw_ioctl_init(struct raw_dev *dev, unsigned long value) return -EINVAL; } + driver_id_number = ida_alloc(&driver_id_numbers, GFP_KERNEL); + if (driver_id_number < 0) + return driver_id_number; + + driver_driver_name = kmalloc(DRIVER_DRIVER_NAME_LENGTH_MAX, GFP_KERNEL); + if (!driver_driver_name) { + ret = -ENOMEM; + goto out_free_driver_id_number; + } + snprintf(driver_driver_name, DRIVER_DRIVER_NAME_LENGTH_MAX, + DRIVER_NAME ".%d", driver_id_number); + udc_driver_name = kmalloc(UDC_NAME_LENGTH_MAX, GFP_KERNEL); - if (!udc_driver_name) - return -ENOMEM; + if (!udc_driver_name) { + ret = -ENOMEM; + goto out_free_driver_driver_name; + } ret = strscpy(udc_driver_name, &arg.driver_name[0], UDC_NAME_LENGTH_MAX); - if (ret < 0) { - kfree(udc_driver_name); - return ret; - } + if (ret < 0) + goto out_free_udc_driver_name; ret = 0; udc_device_name = kmalloc(UDC_NAME_LENGTH_MAX, GFP_KERNEL); if (!udc_device_name) { - kfree(udc_driver_name); - return -ENOMEM; + ret = -ENOMEM; + goto out_free_udc_driver_name; } ret = strscpy(udc_device_name, &arg.device_name[0], UDC_NAME_LENGTH_MAX); - if (ret < 0) { - kfree(udc_driver_name); - kfree(udc_device_name); - return ret; - } + if (ret < 0) + goto out_free_udc_device_name; ret = 0; spin_lock_irqsave(&dev->lock, flags); if (dev->state != STATE_DEV_OPENED) { dev_dbg(dev->dev, "fail, device is not opened\n"); - kfree(udc_driver_name); - kfree(udc_device_name); ret = -EINVAL; goto out_unlock; } @@ -484,14 +504,25 @@ static int raw_ioctl_init(struct raw_dev *dev, unsigned long value) dev->driver.suspend = gadget_suspend; dev->driver.resume = gadget_resume; dev->driver.reset = gadget_reset; - dev->driver.driver.name = DRIVER_NAME; + dev->driver.driver.name = driver_driver_name; dev->driver.udc_name = udc_device_name; dev->driver.match_existing_only = 1; + dev->driver_id_number = driver_id_number; dev->state = STATE_DEV_INITIALIZED; + spin_unlock_irqrestore(&dev->lock, flags); + return ret; out_unlock: spin_unlock_irqrestore(&dev->lock, flags); +out_free_udc_device_name: + kfree(udc_device_name); +out_free_udc_driver_name: + kfree(udc_driver_name); +out_free_driver_driver_name: + kfree(driver_driver_name); +out_free_driver_id_number: + ida_free(&driver_id_numbers, driver_id_number); return ret; } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index c54f2bc23d3f..0fdc014c9401 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -652,7 +652,7 @@ struct xhci_hub *xhci_get_rhub(struct usb_hcd *hcd) * It will release and re-aquire the lock while calling ACPI * method. */ -static void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd, +void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd, u16 index, bool on, unsigned long *flags) __must_hold(&xhci->lock) { diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index fac9492a8bda..dce6c0ec8d34 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -61,6 +61,8 @@ #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI 0x461e #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI 0x464e #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed +#define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI 0xa71e +#define PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI 0x7ec0 #define PCI_DEVICE_ID_AMD_RENOIR_XHCI 0x1639 #define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9 @@ -269,7 +271,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI)) + pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI)) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; if (pdev->vendor == PCI_VENDOR_ID_ETRON && diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 9ac56e9ffc64..65858f607437 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -611,15 +611,37 @@ static int xhci_init(struct usb_hcd *hcd) static int xhci_run_finished(struct xhci_hcd *xhci) { + unsigned long flags; + u32 temp; + + /* + * Enable interrupts before starting the host (xhci 4.2 and 5.5.2). + * Protect the short window before host is running with a lock + */ + spin_lock_irqsave(&xhci->lock, flags); + + xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Enable interrupts"); + temp = readl(&xhci->op_regs->command); + temp |= (CMD_EIE); + writel(temp, &xhci->op_regs->command); + + xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Enable primary interrupter"); + temp = readl(&xhci->ir_set->irq_pending); + writel(ER_IRQ_ENABLE(temp), &xhci->ir_set->irq_pending); + if (xhci_start(xhci)) { xhci_halt(xhci); + spin_unlock_irqrestore(&xhci->lock, flags); return -ENODEV; } + xhci->cmd_ring_state = CMD_RING_STATE_RUNNING; if (xhci->quirks & XHCI_NEC_HOST) xhci_ring_cmd_db(xhci); + spin_unlock_irqrestore(&xhci->lock, flags); + return 0; } @@ -668,19 +690,6 @@ int xhci_run(struct usb_hcd *hcd) temp |= (xhci->imod_interval / 250) & ER_IRQ_INTERVAL_MASK; writel(temp, &xhci->ir_set->irq_control); - /* Set the HCD state before we enable the irqs */ - temp = readl(&xhci->op_regs->command); - temp |= (CMD_EIE); - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "// Enable interrupts, cmd = 0x%x.", temp); - writel(temp, &xhci->op_regs->command); - - temp = readl(&xhci->ir_set->irq_pending); - xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "// Enabling event ring interrupter %p by writing 0x%x to irq_pending", - xhci->ir_set, (unsigned int) ER_IRQ_ENABLE(temp)); - writel(ER_IRQ_ENABLE(temp), &xhci->ir_set->irq_pending); - if (xhci->quirks & XHCI_NEC_HOST) { struct xhci_command *command; @@ -782,6 +791,8 @@ static void xhci_stop(struct usb_hcd *hcd) void xhci_shutdown(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); + unsigned long flags; + int i; if (xhci->quirks & XHCI_SPURIOUS_REBOOT) usb_disable_xhci_ports(to_pci_dev(hcd->self.sysdev)); @@ -797,12 +808,21 @@ void xhci_shutdown(struct usb_hcd *hcd) del_timer_sync(&xhci->shared_hcd->rh_timer); } - spin_lock_irq(&xhci->lock); + spin_lock_irqsave(&xhci->lock, flags); xhci_halt(xhci); + + /* Power off USB2 ports*/ + for (i = 0; i < xhci->usb2_rhub.num_ports; i++) + xhci_set_port_power(xhci, xhci->main_hcd, i, false, &flags); + + /* Power off USB3 ports*/ + for (i = 0; i < xhci->usb3_rhub.num_ports; i++) + xhci_set_port_power(xhci, xhci->shared_hcd, i, false, &flags); + /* Workaround for spurious wakeups at shutdown with HSW */ if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) xhci_reset(xhci, XHCI_RESET_SHORT_USEC); - spin_unlock_irq(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); xhci_cleanup_msix(xhci); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 0bd76c94a4b1..28aaf031f9a8 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -2196,6 +2196,8 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, int xhci_hub_status_data(struct usb_hcd *hcd, char *buf); int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1); struct xhci_hub *xhci_get_rhub(struct usb_hcd *hcd); +void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd, u16 index, + bool on, unsigned long *flags); void xhci_hc_died(struct xhci_hcd *xhci); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index ed1e50d83cca..de59fa919540 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -252,10 +252,12 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EG95 0x0195 #define QUECTEL_PRODUCT_BG96 0x0296 #define QUECTEL_PRODUCT_EP06 0x0306 +#define QUECTEL_PRODUCT_EM05G 0x030a #define QUECTEL_PRODUCT_EM12 0x0512 #define QUECTEL_PRODUCT_RM500Q 0x0800 #define QUECTEL_PRODUCT_EC200S_CN 0x6002 #define QUECTEL_PRODUCT_EC200T 0x6026 +#define QUECTEL_PRODUCT_RM500K 0x7001 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -1134,6 +1136,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) }, + { USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G, 0xff), + .driver_info = RSVD(6) | ZLP }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) }, @@ -1147,6 +1151,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = ZLP }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, @@ -1279,6 +1284,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1231, 0xff), /* Telit LE910Cx (RNDIS) */ .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x1250, 0xff, 0x00, 0x00) }, /* Telit LE910Cx (rmnet) */ { USB_DEVICE(TELIT_VENDOR_ID, 0x1260), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1261), diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 3506c47e1eef..40b1ab3d284d 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -436,22 +436,27 @@ static int pl2303_detect_type(struct usb_serial *serial) break; case 0x200: switch (bcdDevice) { - case 0x100: + case 0x100: /* GC */ case 0x105: + return TYPE_HXN; + case 0x300: /* GT / TA */ + if (pl2303_supports_hx_status(serial)) + return TYPE_TA; + fallthrough; case 0x305: + case 0x400: /* GL */ case 0x405: + return TYPE_HXN; + case 0x500: /* GE / TB */ + if (pl2303_supports_hx_status(serial)) + return TYPE_TB; + fallthrough; + case 0x505: + case 0x600: /* GS */ case 0x605: - /* - * Assume it's an HXN-type if the device doesn't - * support the old read request value. - */ - if (!pl2303_supports_hx_status(serial)) - return TYPE_HXN; - break; - case 0x300: - return TYPE_TA; - case 0x500: - return TYPE_TB; + case 0x700: /* GR */ + case 0x705: + return TYPE_HXN; } break; } diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig index 557f392fe24d..073fd2ea5e0b 100644 --- a/drivers/usb/typec/tcpm/Kconfig +++ b/drivers/usb/typec/tcpm/Kconfig @@ -56,7 +56,6 @@ config TYPEC_WCOVE tristate "Intel WhiskeyCove PMIC USB Type-C PHY driver" depends on ACPI depends on MFD_INTEL_PMC_BXT - depends on INTEL_SOC_PMIC depends on BXT_WC_PMIC_OPREGION help This driver adds support for USB Type-C on Intel Broxton platforms diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 1b6d46b86f81..e85c1d71f4ed 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1962,6 +1962,8 @@ static void mlx5_vdpa_set_vq_cb(struct vdpa_device *vdev, u16 idx, struct vdpa_c struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); ndev->event_cbs[idx] = *cb; + if (is_ctrl_vq_idx(mvdev, idx)) + mvdev->cvq.event_cb = *cb; } static void mlx5_cvq_notify(struct vringh *vring) @@ -2174,7 +2176,6 @@ static int verify_driver_features(struct mlx5_vdpa_dev *mvdev, u64 features) static int setup_virtqueues(struct mlx5_vdpa_dev *mvdev) { struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); - struct mlx5_control_vq *cvq = &mvdev->cvq; int err; int i; @@ -2184,16 +2185,6 @@ static int setup_virtqueues(struct mlx5_vdpa_dev *mvdev) goto err_vq; } - if (mvdev->actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)) { - err = vringh_init_iotlb(&cvq->vring, mvdev->actual_features, - MLX5_CVQ_MAX_ENT, false, - (struct vring_desc *)(uintptr_t)cvq->desc_addr, - (struct vring_avail *)(uintptr_t)cvq->driver_addr, - (struct vring_used *)(uintptr_t)cvq->device_addr); - if (err) - goto err_vq; - } - return 0; err_vq: @@ -2466,6 +2457,21 @@ static void clear_vqs_ready(struct mlx5_vdpa_net *ndev) ndev->mvdev.cvq.ready = false; } +static int setup_cvq_vring(struct mlx5_vdpa_dev *mvdev) +{ + struct mlx5_control_vq *cvq = &mvdev->cvq; + int err = 0; + + if (mvdev->actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)) + err = vringh_init_iotlb(&cvq->vring, mvdev->actual_features, + MLX5_CVQ_MAX_ENT, false, + (struct vring_desc *)(uintptr_t)cvq->desc_addr, + (struct vring_avail *)(uintptr_t)cvq->driver_addr, + (struct vring_used *)(uintptr_t)cvq->device_addr); + + return err; +} + static void mlx5_vdpa_set_status(struct vdpa_device *vdev, u8 status) { struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev); @@ -2478,6 +2484,11 @@ static void mlx5_vdpa_set_status(struct vdpa_device *vdev, u8 status) if ((status ^ ndev->mvdev.status) & VIRTIO_CONFIG_S_DRIVER_OK) { if (status & VIRTIO_CONFIG_S_DRIVER_OK) { + err = setup_cvq_vring(mvdev); + if (err) { + mlx5_vdpa_warn(mvdev, "failed to setup control VQ vring\n"); + goto err_setup; + } err = setup_driver(mvdev); if (err) { mlx5_vdpa_warn(mvdev, "failed to setup driver\n"); diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 776ad7496f53..3bc27de58f46 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -1476,16 +1476,12 @@ static char *vduse_devnode(struct device *dev, umode_t *mode) return kasprintf(GFP_KERNEL, "vduse/%s", dev_name(dev)); } -static void vduse_mgmtdev_release(struct device *dev) -{ -} - -static struct device vduse_mgmtdev = { - .init_name = "vduse", - .release = vduse_mgmtdev_release, +struct vduse_mgmt_dev { + struct vdpa_mgmt_dev mgmt_dev; + struct device dev; }; -static struct vdpa_mgmt_dev mgmt_dev; +static struct vduse_mgmt_dev *vduse_mgmt; static int vduse_dev_init_vdpa(struct vduse_dev *dev, const char *name) { @@ -1510,7 +1506,7 @@ static int vduse_dev_init_vdpa(struct vduse_dev *dev, const char *name) } set_dma_ops(&vdev->vdpa.dev, &vduse_dev_dma_ops); vdev->vdpa.dma_dev = &vdev->vdpa.dev; - vdev->vdpa.mdev = &mgmt_dev; + vdev->vdpa.mdev = &vduse_mgmt->mgmt_dev; return 0; } @@ -1556,34 +1552,52 @@ static struct virtio_device_id id_table[] = { { 0 }, }; -static struct vdpa_mgmt_dev mgmt_dev = { - .device = &vduse_mgmtdev, - .id_table = id_table, - .ops = &vdpa_dev_mgmtdev_ops, -}; +static void vduse_mgmtdev_release(struct device *dev) +{ + struct vduse_mgmt_dev *mgmt_dev; + + mgmt_dev = container_of(dev, struct vduse_mgmt_dev, dev); + kfree(mgmt_dev); +} static int vduse_mgmtdev_init(void) { int ret; - ret = device_register(&vduse_mgmtdev); - if (ret) + vduse_mgmt = kzalloc(sizeof(*vduse_mgmt), GFP_KERNEL); + if (!vduse_mgmt) + return -ENOMEM; + + ret = dev_set_name(&vduse_mgmt->dev, "vduse"); + if (ret) { + kfree(vduse_mgmt); return ret; + } - ret = vdpa_mgmtdev_register(&mgmt_dev); + vduse_mgmt->dev.release = vduse_mgmtdev_release; + + ret = device_register(&vduse_mgmt->dev); if (ret) - goto err; + goto dev_reg_err; - return 0; -err: - device_unregister(&vduse_mgmtdev); + vduse_mgmt->mgmt_dev.id_table = id_table; + vduse_mgmt->mgmt_dev.ops = &vdpa_dev_mgmtdev_ops; + vduse_mgmt->mgmt_dev.device = &vduse_mgmt->dev; + ret = vdpa_mgmtdev_register(&vduse_mgmt->mgmt_dev); + if (ret) + device_unregister(&vduse_mgmt->dev); + + return ret; + +dev_reg_err: + put_device(&vduse_mgmt->dev); return ret; } static void vduse_mgmtdev_exit(void) { - vdpa_mgmtdev_unregister(&mgmt_dev); - device_unregister(&vduse_mgmtdev); + vdpa_mgmtdev_unregister(&vduse_mgmt->mgmt_dev); + device_unregister(&vduse_mgmt->dev); } static int vduse_init(void) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 5ad2596c6e8a..23dcbfdfa13b 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -1209,7 +1209,7 @@ static int vhost_vdpa_release(struct inode *inode, struct file *filep) vhost_dev_stop(&v->vdev); vhost_vdpa_free_domain(v); vhost_vdpa_config_put(v); - vhost_dev_cleanup(&v->vdev); + vhost_vdpa_cleanup(v); mutex_unlock(&d->mutex); atomic_dec(&v->opened); diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c index fa23bf0247b0..bd4dc97d4d34 100644 --- a/drivers/video/console/sticore.c +++ b/drivers/video/console/sticore.c @@ -1148,6 +1148,7 @@ int sti_call(const struct sti_struct *sti, unsigned long func, return ret; } +#if defined(CONFIG_FB_STI) /* check if given fb_info is the primary device */ int fb_is_primary_device(struct fb_info *info) { @@ -1163,6 +1164,7 @@ int fb_is_primary_device(struct fb_info *info) return (sti->info == info); } EXPORT_SYMBOL(fb_is_primary_device); +#endif MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c index 52f731a61482..519313b8bb00 100644 --- a/drivers/video/fbdev/au1100fb.c +++ b/drivers/video/fbdev/au1100fb.c @@ -560,8 +560,7 @@ int au1100fb_drv_suspend(struct platform_device *dev, pm_message_t state) /* Blank the LCD */ au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info); - if (fbdev->lcdclk) - clk_disable(fbdev->lcdclk); + clk_disable(fbdev->lcdclk); memcpy(&fbregs, fbdev->regs, sizeof(struct au1100fb_regs)); @@ -577,8 +576,7 @@ int au1100fb_drv_resume(struct platform_device *dev) memcpy(fbdev->regs, &fbregs, sizeof(struct au1100fb_regs)); - if (fbdev->lcdclk) - clk_enable(fbdev->lcdclk); + clk_enable(fbdev->lcdclk); /* Unblank the LCD */ au1100fb_fb_blank(VESA_NO_BLANKING, &fbdev->info); diff --git a/drivers/video/fbdev/cirrusfb.c b/drivers/video/fbdev/cirrusfb.c index 3d47c347b897..51e072c03e1c 100644 --- a/drivers/video/fbdev/cirrusfb.c +++ b/drivers/video/fbdev/cirrusfb.c @@ -2184,12 +2184,6 @@ static struct pci_driver cirrusfb_pci_driver = { .id_table = cirrusfb_pci_table, .probe = cirrusfb_pci_register, .remove = cirrusfb_pci_unregister, -#ifdef CONFIG_PM -#if 0 - .suspend = cirrusfb_pci_suspend, - .resume = cirrusfb_pci_resume, -#endif -#endif }; #endif /* CONFIG_PCI */ diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index afa2863670f3..8afc4538558c 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -19,6 +19,7 @@ #include <linux/kernel.h> #include <linux/major.h> #include <linux/slab.h> +#include <linux/sysfb.h> #include <linux/mm.h> #include <linux/mman.h> #include <linux/vt.h> @@ -1752,6 +1753,17 @@ int remove_conflicting_framebuffers(struct apertures_struct *a, do_free = true; } + /* + * If a driver asked to unregister a platform device registered by + * sysfb, then can be assumed that this is a driver for a display + * that is set up by the system firmware and has a generic driver. + * + * Drivers for devices that don't have a generic driver will never + * ask for this, so let's assume that a real driver for the display + * was already probed and prevent sysfb to register devices later. + */ + sysfb_disable(); + mutex_lock(®istration_lock); do_remove_conflicting_framebuffers(a, name, primary); mutex_unlock(®istration_lock); diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c index a9579964eaba..5647fca8c49a 100644 --- a/drivers/video/fbdev/intelfb/intelfbdrv.c +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c @@ -472,7 +472,7 @@ static int intelfb_pci_register(struct pci_dev *pdev, struct fb_info *info; struct intelfb_info *dinfo; int i, err, dvo; - int aperture_size, stolen_size; + int aperture_size, stolen_size = 0; struct agp_kern_info gtt_info; int agp_memtype; const char *s; @@ -571,7 +571,7 @@ static int intelfb_pci_register(struct pci_dev *pdev, return -ENODEV; } - if (intelfbhw_get_memory(pdev, &aperture_size,&stolen_size)) { + if (intelfbhw_get_memory(pdev, &aperture_size, &stolen_size)) { cleanup(dinfo); return -ENODEV; } diff --git a/drivers/video/fbdev/intelfb/intelfbhw.c b/drivers/video/fbdev/intelfb/intelfbhw.c index 57aff7450bce..2086e06532ee 100644 --- a/drivers/video/fbdev/intelfb/intelfbhw.c +++ b/drivers/video/fbdev/intelfb/intelfbhw.c @@ -201,13 +201,11 @@ int intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, case PCI_DEVICE_ID_INTEL_945GME: case PCI_DEVICE_ID_INTEL_965G: case PCI_DEVICE_ID_INTEL_965GM: - /* 915, 945 and 965 chipsets support a 256MB aperture. - Aperture size is determined by inspected the - base address of the aperture. */ - if (pci_resource_start(pdev, 2) & 0x08000000) - *aperture_size = MB(128); - else - *aperture_size = MB(256); + /* + * 915, 945 and 965 chipsets support 64MB, 128MB or 256MB + * aperture. Determine size from PCI resource length. + */ + *aperture_size = pci_resource_len(pdev, 2); break; default: if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) diff --git a/drivers/video/fbdev/omap/sossi.c b/drivers/video/fbdev/omap/sossi.c index c90eb8ca58af..66aff6cd1df0 100644 --- a/drivers/video/fbdev/omap/sossi.c +++ b/drivers/video/fbdev/omap/sossi.c @@ -359,7 +359,7 @@ static void sossi_set_bits_per_cycle(int bpc) int bus_pick_count, bus_pick_width; /* - * We set explicitly the the bus_pick_count as well, although + * We set explicitly the bus_pick_count as well, although * with remapping/reordering disabled it will be calculated by HW * as (32 / bus_pick_width). */ diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c index 6fbfeb01b315..170463a7e1f4 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c @@ -143,7 +143,7 @@ int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk, /* * In OMAP5+, the HFBITCLK must be divided by 2 before issuing the * HDMI_PHYPWRCMD_LDOON command. - */ + */ if (phy_feat->bist_ctrl) REG_FLD_MOD(phy->base, HDMI_TXPHY_BIST_CONTROL, 1, 11, 11); diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c index 043cc8f9ef1c..c3cd1e1cc01b 100644 --- a/drivers/video/fbdev/pxa3xx-gcu.c +++ b/drivers/video/fbdev/pxa3xx-gcu.c @@ -381,7 +381,7 @@ pxa3xx_gcu_write(struct file *file, const char *buff, struct pxa3xx_gcu_batch *buffer; struct pxa3xx_gcu_priv *priv = to_pxa3xx_gcu_priv(file); - int words = count / 4; + size_t words = count / 4; /* Does not need to be atomic. There's a lock in user space, * but anyhow, this is just for statistics. */ diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c index 2c198561c338..f96ce8801be4 100644 --- a/drivers/video/fbdev/simplefb.c +++ b/drivers/video/fbdev/simplefb.c @@ -237,8 +237,7 @@ static int simplefb_clocks_get(struct simplefb_par *par, if (IS_ERR(clock)) { if (PTR_ERR(clock) == -EPROBE_DEFER) { while (--i >= 0) { - if (par->clks[i]) - clk_put(par->clks[i]); + clk_put(par->clks[i]); } kfree(par->clks); return -EPROBE_DEFER; diff --git a/drivers/video/fbdev/skeletonfb.c b/drivers/video/fbdev/skeletonfb.c index bcacfb6934fa..d119b1d08007 100644 --- a/drivers/video/fbdev/skeletonfb.c +++ b/drivers/video/fbdev/skeletonfb.c @@ -96,7 +96,7 @@ static const struct fb_fix_screeninfo xxxfb_fix = { /* * Modern graphical hardware not only supports pipelines but some - * also support multiple monitors where each display can have its + * also support multiple monitors where each display can have * its own unique data. In this case each display could be * represented by a separate framebuffer device thus a separate * struct fb_info. Now the struct xxx_par represents the graphics @@ -838,9 +838,9 @@ static void xxxfb_remove(struct pci_dev *dev) * * See Documentation/driver-api/pm/devices.rst for more information */ -static int xxxfb_suspend(struct pci_dev *dev, pm_message_t msg) +static int xxxfb_suspend(struct device *dev) { - struct fb_info *info = pci_get_drvdata(dev); + struct fb_info *info = dev_get_drvdata(dev); struct xxxfb_par *par = info->par; /* suspend here */ @@ -853,9 +853,9 @@ static int xxxfb_suspend(struct pci_dev *dev, pm_message_t msg) * * See Documentation/driver-api/pm/devices.rst for more information */ -static int xxxfb_resume(struct pci_dev *dev) +static int xxxfb_resume(struct device *dev) { - struct fb_info *info = pci_get_drvdata(dev); + struct fb_info *info = dev_get_drvdata(dev); struct xxxfb_par *par = info->par; /* resume here */ @@ -873,14 +873,15 @@ static const struct pci_device_id xxxfb_id_table[] = { { 0, } }; +static SIMPLE_DEV_PM_OPS(xxxfb_pm_ops, xxxfb_suspend, xxxfb_resume); + /* For PCI drivers */ static struct pci_driver xxxfb_driver = { .name = "xxxfb", .id_table = xxxfb_id_table, .probe = xxxfb_probe, .remove = xxxfb_remove, - .suspend = xxxfb_suspend, /* optional but recommended */ - .resume = xxxfb_resume, /* optional but recommended */ + .driver.pm = xxxfb_pm_ops, /* optional but recommended */ }; MODULE_DEVICE_TABLE(pci, xxxfb_id_table); diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index a6dc8b5846fe..e1556d2a355a 100644 --- a/drivers/virtio/Kconfig +++ b/drivers/virtio/Kconfig @@ -29,6 +29,19 @@ menuconfig VIRTIO_MENU if VIRTIO_MENU +config VIRTIO_HARDEN_NOTIFICATION + bool "Harden virtio notification" + help + Enable this to harden the device notifications and suppress + those that happen at a time where notifications are illegal. + + Experimental: Note that several drivers still have bugs that + may cause crashes or hangs when correct handling of + notifications is enforced; depending on the subset of + drivers and devices you use, this may or may not work. + + If unsure, say N. + config VIRTIO_PCI tristate "PCI driver for virtio devices" depends on PCI diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 6bace84ae37e..7deeed30d1f3 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -219,6 +219,7 @@ static int virtio_features_ok(struct virtio_device *dev) * */ void virtio_reset_device(struct virtio_device *dev) { +#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION /* * The below virtio_synchronize_cbs() guarantees that any * interrupt for this line arriving after @@ -227,6 +228,7 @@ void virtio_reset_device(struct virtio_device *dev) */ virtio_break_device(dev); virtio_synchronize_cbs(dev); +#endif dev->config->reset(dev); } diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index c9bec3813e94..083ff1eb743d 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -62,6 +62,7 @@ #include <linux/list.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/virtio.h> @@ -556,6 +557,28 @@ static const struct virtio_config_ops virtio_mmio_config_ops = { .synchronize_cbs = vm_synchronize_cbs, }; +#ifdef CONFIG_PM_SLEEP +static int virtio_mmio_freeze(struct device *dev) +{ + struct virtio_mmio_device *vm_dev = dev_get_drvdata(dev); + + return virtio_device_freeze(&vm_dev->vdev); +} + +static int virtio_mmio_restore(struct device *dev) +{ + struct virtio_mmio_device *vm_dev = dev_get_drvdata(dev); + + if (vm_dev->version == 1) + writel(PAGE_SIZE, vm_dev->base + VIRTIO_MMIO_GUEST_PAGE_SIZE); + + return virtio_device_restore(&vm_dev->vdev); +} + +static const struct dev_pm_ops virtio_mmio_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(virtio_mmio_freeze, virtio_mmio_restore) +}; +#endif static void virtio_mmio_release_dev(struct device *_d) { @@ -799,6 +822,9 @@ static struct platform_driver virtio_mmio_driver = { .name = "virtio-mmio", .of_match_table = virtio_mmio_match, .acpi_match_table = ACPI_PTR(virtio_mmio_acpi_match), +#ifdef CONFIG_PM_SLEEP + .pm = &virtio_mmio_pm_ops, +#endif }, }; diff --git a/drivers/virtio/virtio_pci_modern_dev.c b/drivers/virtio/virtio_pci_modern_dev.c index b790f30b2b56..fa2a9445bb18 100644 --- a/drivers/virtio/virtio_pci_modern_dev.c +++ b/drivers/virtio/virtio_pci_modern_dev.c @@ -220,8 +220,6 @@ int vp_modern_probe(struct virtio_pci_modern_device *mdev) check_offsets(); - mdev->pci_dev = pci_dev; - /* We only own devices >= 0x1000 and <= 0x107f: leave the rest. */ if (pci_dev->device < 0x1000 || pci_dev->device > 0x107f) return -ENODEV; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 13a7348cedff..643ca779fcc6 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -111,7 +111,12 @@ struct vring_virtqueue { /* Number we've added since last sync. */ unsigned int num_added; - /* Last used index we've seen. */ + /* Last used index we've seen. + * for split ring, it just contains last used index + * for packed ring: + * bits up to VRING_PACKED_EVENT_F_WRAP_CTR include the last used index. + * bits from VRING_PACKED_EVENT_F_WRAP_CTR include the used wrap counter. + */ u16 last_used_idx; /* Hint for event idx: already triggered no need to disable. */ @@ -154,9 +159,6 @@ struct vring_virtqueue { /* Driver ring wrap counter. */ bool avail_wrap_counter; - /* Device ring wrap counter. */ - bool used_wrap_counter; - /* Avail used flags. */ u16 avail_used_flags; @@ -933,7 +935,7 @@ static struct virtqueue *vring_create_virtqueue_split( for (; num && vring_size(num, vring_align) > PAGE_SIZE; num /= 2) { queue = vring_alloc_queue(vdev, vring_size(num, vring_align), &dma_addr, - GFP_KERNEL|__GFP_NOWARN|__GFP_ZERO); + GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO); if (queue) break; if (!may_reduce_num) @@ -973,6 +975,15 @@ static struct virtqueue *vring_create_virtqueue_split( /* * Packed ring specific functions - *_packed(). */ +static inline bool packed_used_wrap_counter(u16 last_used_idx) +{ + return !!(last_used_idx & (1 << VRING_PACKED_EVENT_F_WRAP_CTR)); +} + +static inline u16 packed_last_used(u16 last_used_idx) +{ + return last_used_idx & ~(-(1 << VRING_PACKED_EVENT_F_WRAP_CTR)); +} static void vring_unmap_extra_packed(const struct vring_virtqueue *vq, struct vring_desc_extra *extra) @@ -1406,8 +1417,14 @@ static inline bool is_used_desc_packed(const struct vring_virtqueue *vq, static inline bool more_used_packed(const struct vring_virtqueue *vq) { - return is_used_desc_packed(vq, vq->last_used_idx, - vq->packed.used_wrap_counter); + u16 last_used; + u16 last_used_idx; + bool used_wrap_counter; + + last_used_idx = READ_ONCE(vq->last_used_idx); + last_used = packed_last_used(last_used_idx); + used_wrap_counter = packed_used_wrap_counter(last_used_idx); + return is_used_desc_packed(vq, last_used, used_wrap_counter); } static void *virtqueue_get_buf_ctx_packed(struct virtqueue *_vq, @@ -1415,7 +1432,8 @@ static void *virtqueue_get_buf_ctx_packed(struct virtqueue *_vq, void **ctx) { struct vring_virtqueue *vq = to_vvq(_vq); - u16 last_used, id; + u16 last_used, id, last_used_idx; + bool used_wrap_counter; void *ret; START_USE(vq); @@ -1434,7 +1452,9 @@ static void *virtqueue_get_buf_ctx_packed(struct virtqueue *_vq, /* Only get used elements after they have been exposed by host. */ virtio_rmb(vq->weak_barriers); - last_used = vq->last_used_idx; + last_used_idx = READ_ONCE(vq->last_used_idx); + used_wrap_counter = packed_used_wrap_counter(last_used_idx); + last_used = packed_last_used(last_used_idx); id = le16_to_cpu(vq->packed.vring.desc[last_used].id); *len = le32_to_cpu(vq->packed.vring.desc[last_used].len); @@ -1451,12 +1471,15 @@ static void *virtqueue_get_buf_ctx_packed(struct virtqueue *_vq, ret = vq->packed.desc_state[id].data; detach_buf_packed(vq, id, ctx); - vq->last_used_idx += vq->packed.desc_state[id].num; - if (unlikely(vq->last_used_idx >= vq->packed.vring.num)) { - vq->last_used_idx -= vq->packed.vring.num; - vq->packed.used_wrap_counter ^= 1; + last_used += vq->packed.desc_state[id].num; + if (unlikely(last_used >= vq->packed.vring.num)) { + last_used -= vq->packed.vring.num; + used_wrap_counter ^= 1; } + last_used = (last_used | (used_wrap_counter << VRING_PACKED_EVENT_F_WRAP_CTR)); + WRITE_ONCE(vq->last_used_idx, last_used); + /* * If we expect an interrupt for the next entry, tell host * by writing event index and flush out the write before @@ -1465,9 +1488,7 @@ static void *virtqueue_get_buf_ctx_packed(struct virtqueue *_vq, if (vq->packed.event_flags_shadow == VRING_PACKED_EVENT_FLAG_DESC) virtio_store_mb(vq->weak_barriers, &vq->packed.vring.driver->off_wrap, - cpu_to_le16(vq->last_used_idx | - (vq->packed.used_wrap_counter << - VRING_PACKED_EVENT_F_WRAP_CTR))); + cpu_to_le16(vq->last_used_idx)); LAST_ADD_TIME_INVALID(vq); @@ -1499,9 +1520,7 @@ static unsigned int virtqueue_enable_cb_prepare_packed(struct virtqueue *_vq) if (vq->event) { vq->packed.vring.driver->off_wrap = - cpu_to_le16(vq->last_used_idx | - (vq->packed.used_wrap_counter << - VRING_PACKED_EVENT_F_WRAP_CTR)); + cpu_to_le16(vq->last_used_idx); /* * We need to update event offset and event wrap * counter first before updating event flags. @@ -1518,8 +1537,7 @@ static unsigned int virtqueue_enable_cb_prepare_packed(struct virtqueue *_vq) } END_USE(vq); - return vq->last_used_idx | ((u16)vq->packed.used_wrap_counter << - VRING_PACKED_EVENT_F_WRAP_CTR); + return vq->last_used_idx; } static bool virtqueue_poll_packed(struct virtqueue *_vq, u16 off_wrap) @@ -1537,7 +1555,7 @@ static bool virtqueue_poll_packed(struct virtqueue *_vq, u16 off_wrap) static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq) { struct vring_virtqueue *vq = to_vvq(_vq); - u16 used_idx, wrap_counter; + u16 used_idx, wrap_counter, last_used_idx; u16 bufs; START_USE(vq); @@ -1550,9 +1568,10 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq) if (vq->event) { /* TODO: tune this threshold */ bufs = (vq->packed.vring.num - vq->vq.num_free) * 3 / 4; - wrap_counter = vq->packed.used_wrap_counter; + last_used_idx = READ_ONCE(vq->last_used_idx); + wrap_counter = packed_used_wrap_counter(last_used_idx); - used_idx = vq->last_used_idx + bufs; + used_idx = packed_last_used(last_used_idx) + bufs; if (used_idx >= vq->packed.vring.num) { used_idx -= vq->packed.vring.num; wrap_counter ^= 1; @@ -1582,9 +1601,10 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq) */ virtio_mb(vq->weak_barriers); - if (is_used_desc_packed(vq, - vq->last_used_idx, - vq->packed.used_wrap_counter)) { + last_used_idx = READ_ONCE(vq->last_used_idx); + wrap_counter = packed_used_wrap_counter(last_used_idx); + used_idx = packed_last_used(last_used_idx); + if (is_used_desc_packed(vq, used_idx, wrap_counter)) { END_USE(vq); return false; } @@ -1688,8 +1708,12 @@ static struct virtqueue *vring_create_virtqueue_packed( vq->we_own_ring = true; vq->notify = notify; vq->weak_barriers = weak_barriers; +#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION vq->broken = true; - vq->last_used_idx = 0; +#else + vq->broken = false; +#endif + vq->last_used_idx = 0 | (1 << VRING_PACKED_EVENT_F_WRAP_CTR); vq->event_triggered = false; vq->num_added = 0; vq->packed_ring = true; @@ -1720,7 +1744,6 @@ static struct virtqueue *vring_create_virtqueue_packed( vq->packed.next_avail_idx = 0; vq->packed.avail_wrap_counter = 1; - vq->packed.used_wrap_counter = 1; vq->packed.event_flags_shadow = 0; vq->packed.avail_used_flags = 1 << VRING_PACKED_DESC_F_AVAIL; @@ -2135,9 +2158,13 @@ irqreturn_t vring_interrupt(int irq, void *_vq) } if (unlikely(vq->broken)) { +#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION dev_warn_once(&vq->vq.vdev->dev, "virtio vring IRQ raised before DRIVER_OK"); return IRQ_NONE; +#else + return IRQ_HANDLED; +#endif } /* Just a hint for performance: so it's ok that this can be racy! */ @@ -2180,7 +2207,11 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index, vq->we_own_ring = false; vq->notify = notify; vq->weak_barriers = weak_barriers; +#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION vq->broken = true; +#else + vq->broken = false; +#endif vq->last_used_idx = 0; vq->event_triggered = false; vq->num_added = 0; diff --git a/drivers/xen/features.c b/drivers/xen/features.c index 7b591443833c..87f1828d40d5 100644 --- a/drivers/xen/features.c +++ b/drivers/xen/features.c @@ -42,7 +42,7 @@ void xen_setup_features(void) if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0) break; for (j = 0; j < 32; j++) - xen_features[i * 32 + j] = !!(fi.submap & 1<<j); + xen_features[i * 32 + j] = !!(fi.submap & 1U << j); } if (xen_pv_domain()) { diff --git a/drivers/xen/gntdev-common.h b/drivers/xen/gntdev-common.h index 20d7d059dadb..40ef379c28ab 100644 --- a/drivers/xen/gntdev-common.h +++ b/drivers/xen/gntdev-common.h @@ -16,6 +16,7 @@ #include <linux/mmu_notifier.h> #include <linux/types.h> #include <xen/interface/event_channel.h> +#include <xen/grant_table.h> struct gntdev_dmabuf_priv; @@ -56,6 +57,7 @@ struct gntdev_grant_map { struct gnttab_unmap_grant_ref *unmap_ops; struct gnttab_map_grant_ref *kmap_ops; struct gnttab_unmap_grant_ref *kunmap_ops; + bool *being_removed; struct page **pages; unsigned long pages_vm_start; @@ -73,6 +75,11 @@ struct gntdev_grant_map { /* Needed to avoid allocation in gnttab_dma_free_pages(). */ xen_pfn_t *frames; #endif + + /* Number of live grants */ + atomic_t live_grants; + /* Needed to avoid allocation in __unmap_grant_pages */ + struct gntab_unmap_queue_data unmap_data; }; struct gntdev_grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count, diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 59ffea800079..4b56c39f766d 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -35,6 +35,7 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/refcount.h> +#include <linux/workqueue.h> #include <xen/xen.h> #include <xen/grant_table.h> @@ -60,10 +61,11 @@ module_param(limit, uint, 0644); MODULE_PARM_DESC(limit, "Maximum number of grants that may be mapped by one mapping request"); +/* True in PV mode, false otherwise */ static int use_ptemod; -static int unmap_grant_pages(struct gntdev_grant_map *map, - int offset, int pages); +static void unmap_grant_pages(struct gntdev_grant_map *map, + int offset, int pages); static struct miscdevice gntdev_miscdev; @@ -120,6 +122,7 @@ static void gntdev_free_map(struct gntdev_grant_map *map) kvfree(map->unmap_ops); kvfree(map->kmap_ops); kvfree(map->kunmap_ops); + kvfree(map->being_removed); kfree(map); } @@ -140,10 +143,13 @@ struct gntdev_grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count, add->unmap_ops = kvmalloc_array(count, sizeof(add->unmap_ops[0]), GFP_KERNEL); add->pages = kvcalloc(count, sizeof(add->pages[0]), GFP_KERNEL); + add->being_removed = + kvcalloc(count, sizeof(add->being_removed[0]), GFP_KERNEL); if (NULL == add->grants || NULL == add->map_ops || NULL == add->unmap_ops || - NULL == add->pages) + NULL == add->pages || + NULL == add->being_removed) goto err; if (use_ptemod) { add->kmap_ops = kvmalloc_array(count, sizeof(add->kmap_ops[0]), @@ -250,9 +256,36 @@ void gntdev_put_map(struct gntdev_priv *priv, struct gntdev_grant_map *map) if (!refcount_dec_and_test(&map->users)) return; - if (map->pages && !use_ptemod) + if (map->pages && !use_ptemod) { + /* + * Increment the reference count. This ensures that the + * subsequent call to unmap_grant_pages() will not wind up + * re-entering itself. It *can* wind up calling + * gntdev_put_map() recursively, but such calls will be with a + * reference count greater than 1, so they will return before + * this code is reached. The recursion depth is thus limited to + * 1. Do NOT use refcount_inc() here, as it will detect that + * the reference count is zero and WARN(). + */ + refcount_set(&map->users, 1); + + /* + * Unmap the grants. This may or may not be asynchronous, so it + * is possible that the reference count is 1 on return, but it + * could also be greater than 1. + */ unmap_grant_pages(map, 0, map->count); + /* Check if the memory now needs to be freed */ + if (!refcount_dec_and_test(&map->users)) + return; + + /* + * All pages have been returned to the hypervisor, so free the + * map. + */ + } + if (map->notify.flags & UNMAP_NOTIFY_SEND_EVENT) { notify_remote_via_evtchn(map->notify.event); evtchn_put(map->notify.event); @@ -283,6 +316,7 @@ static int find_grant_ptes(pte_t *pte, unsigned long addr, void *data) int gntdev_map_grant_pages(struct gntdev_grant_map *map) { + size_t alloced = 0; int i, err = 0; if (!use_ptemod) { @@ -331,97 +365,116 @@ int gntdev_map_grant_pages(struct gntdev_grant_map *map) map->count); for (i = 0; i < map->count; i++) { - if (map->map_ops[i].status == GNTST_okay) + if (map->map_ops[i].status == GNTST_okay) { map->unmap_ops[i].handle = map->map_ops[i].handle; - else if (!err) + if (!use_ptemod) + alloced++; + } else if (!err) err = -EINVAL; if (map->flags & GNTMAP_device_map) map->unmap_ops[i].dev_bus_addr = map->map_ops[i].dev_bus_addr; if (use_ptemod) { - if (map->kmap_ops[i].status == GNTST_okay) + if (map->kmap_ops[i].status == GNTST_okay) { + if (map->map_ops[i].status == GNTST_okay) + alloced++; map->kunmap_ops[i].handle = map->kmap_ops[i].handle; - else if (!err) + } else if (!err) err = -EINVAL; } } + atomic_add(alloced, &map->live_grants); return err; } -static int __unmap_grant_pages(struct gntdev_grant_map *map, int offset, - int pages) +static void __unmap_grant_pages_done(int result, + struct gntab_unmap_queue_data *data) { - int i, err = 0; - struct gntab_unmap_queue_data unmap_data; - - if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) { - int pgno = (map->notify.addr >> PAGE_SHIFT); - if (pgno >= offset && pgno < offset + pages) { - /* No need for kmap, pages are in lowmem */ - uint8_t *tmp = pfn_to_kaddr(page_to_pfn(map->pages[pgno])); - tmp[map->notify.addr & (PAGE_SIZE-1)] = 0; - map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE; - } - } - - unmap_data.unmap_ops = map->unmap_ops + offset; - unmap_data.kunmap_ops = use_ptemod ? map->kunmap_ops + offset : NULL; - unmap_data.pages = map->pages + offset; - unmap_data.count = pages; - - err = gnttab_unmap_refs_sync(&unmap_data); - if (err) - return err; + unsigned int i; + struct gntdev_grant_map *map = data->data; + unsigned int offset = data->unmap_ops - map->unmap_ops; - for (i = 0; i < pages; i++) { - if (map->unmap_ops[offset+i].status) - err = -EINVAL; + for (i = 0; i < data->count; i++) { + WARN_ON(map->unmap_ops[offset+i].status); pr_debug("unmap handle=%d st=%d\n", map->unmap_ops[offset+i].handle, map->unmap_ops[offset+i].status); map->unmap_ops[offset+i].handle = INVALID_GRANT_HANDLE; if (use_ptemod) { - if (map->kunmap_ops[offset+i].status) - err = -EINVAL; + WARN_ON(map->kunmap_ops[offset+i].status); pr_debug("kunmap handle=%u st=%d\n", map->kunmap_ops[offset+i].handle, map->kunmap_ops[offset+i].status); map->kunmap_ops[offset+i].handle = INVALID_GRANT_HANDLE; } } - return err; + /* + * Decrease the live-grant counter. This must happen after the loop to + * prevent premature reuse of the grants by gnttab_mmap(). + */ + atomic_sub(data->count, &map->live_grants); + + /* Release reference taken by __unmap_grant_pages */ + gntdev_put_map(NULL, map); +} + +static void __unmap_grant_pages(struct gntdev_grant_map *map, int offset, + int pages) +{ + if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) { + int pgno = (map->notify.addr >> PAGE_SHIFT); + + if (pgno >= offset && pgno < offset + pages) { + /* No need for kmap, pages are in lowmem */ + uint8_t *tmp = pfn_to_kaddr(page_to_pfn(map->pages[pgno])); + + tmp[map->notify.addr & (PAGE_SIZE-1)] = 0; + map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE; + } + } + + map->unmap_data.unmap_ops = map->unmap_ops + offset; + map->unmap_data.kunmap_ops = use_ptemod ? map->kunmap_ops + offset : NULL; + map->unmap_data.pages = map->pages + offset; + map->unmap_data.count = pages; + map->unmap_data.done = __unmap_grant_pages_done; + map->unmap_data.data = map; + refcount_inc(&map->users); /* to keep map alive during async call below */ + + gnttab_unmap_refs_async(&map->unmap_data); } -static int unmap_grant_pages(struct gntdev_grant_map *map, int offset, - int pages) +static void unmap_grant_pages(struct gntdev_grant_map *map, int offset, + int pages) { - int range, err = 0; + int range; + + if (atomic_read(&map->live_grants) == 0) + return; /* Nothing to do */ pr_debug("unmap %d+%d [%d+%d]\n", map->index, map->count, offset, pages); /* It is possible the requested range will have a "hole" where we * already unmapped some of the grants. Only unmap valid ranges. */ - while (pages && !err) { - while (pages && - map->unmap_ops[offset].handle == INVALID_GRANT_HANDLE) { + while (pages) { + while (pages && map->being_removed[offset]) { offset++; pages--; } range = 0; while (range < pages) { - if (map->unmap_ops[offset + range].handle == - INVALID_GRANT_HANDLE) + if (map->being_removed[offset + range]) break; + map->being_removed[offset + range] = true; range++; } - err = __unmap_grant_pages(map, offset, range); + if (range) + __unmap_grant_pages(map, offset, range); offset += range; pages -= range; } - - return err; } /* ------------------------------------------------------------------ */ @@ -473,7 +526,6 @@ static bool gntdev_invalidate(struct mmu_interval_notifier *mn, struct gntdev_grant_map *map = container_of(mn, struct gntdev_grant_map, notifier); unsigned long mstart, mend; - int err; if (!mmu_notifier_range_blockable(range)) return false; @@ -494,10 +546,9 @@ static bool gntdev_invalidate(struct mmu_interval_notifier *mn, map->index, map->count, map->vma->vm_start, map->vma->vm_end, range->start, range->end, mstart, mend); - err = unmap_grant_pages(map, + unmap_grant_pages(map, (mstart - map->vma->vm_start) >> PAGE_SHIFT, (mend - mstart) >> PAGE_SHIFT); - WARN_ON(err); return true; } @@ -985,6 +1036,10 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) goto unlock_out; if (use_ptemod && map->vma) goto unlock_out; + if (atomic_read(&map->live_grants)) { + err = -EAGAIN; + goto unlock_out; + } refcount_inc(&map->users); vma->vm_ops = &gntdev_vmops; diff --git a/fs/9p/fid.c b/fs/9p/fid.c index 79df61fe0e59..baf2b152229e 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -152,7 +152,7 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry, const unsigned char **wnames, *uname; int i, n, l, clone, access; struct v9fs_session_info *v9ses; - struct p9_fid *fid, *old_fid = NULL; + struct p9_fid *fid, *old_fid; v9ses = v9fs_dentry2v9ses(dentry); access = v9ses->flags & V9FS_ACCESS_MASK; @@ -194,13 +194,12 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry, if (IS_ERR(fid)) return fid; + refcount_inc(&fid->count); v9fs_fid_add(dentry->d_sb->s_root, fid); } /* If we are root ourself just return that */ - if (dentry->d_sb->s_root == dentry) { - refcount_inc(&fid->count); + if (dentry->d_sb->s_root == dentry) return fid; - } /* * Do a multipath walk with attached root. * When walking parent we need to make sure we @@ -212,6 +211,7 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry, fid = ERR_PTR(n); goto err_out; } + old_fid = fid; clone = 1; i = 0; while (i < n) { @@ -221,19 +221,15 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry, * walk to ensure none of the patch component change */ fid = p9_client_walk(fid, l, &wnames[i], clone); + /* non-cloning walk will return the same fid */ + if (fid != old_fid) { + p9_client_clunk(old_fid); + old_fid = fid; + } if (IS_ERR(fid)) { - if (old_fid) { - /* - * If we fail, clunk fid which are mapping - * to path component and not the last component - * of the path. - */ - p9_client_clunk(old_fid); - } kfree(wnames); goto err_out; } - old_fid = fid; i += l; clone = 0; } diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index a8f512b44a85..d0833fa69faf 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -58,8 +58,21 @@ static void v9fs_issue_read(struct netfs_io_subrequest *subreq) */ static int v9fs_init_request(struct netfs_io_request *rreq, struct file *file) { + struct inode *inode = file_inode(file); + struct v9fs_inode *v9inode = V9FS_I(inode); struct p9_fid *fid = file->private_data; + BUG_ON(!fid); + + /* we might need to read from a fid that was opened write-only + * for read-modify-write of page cache, use the writeback fid + * for that */ + if (rreq->origin == NETFS_READ_FOR_WRITE && + (fid->mode & O_ACCMODE) == O_WRONLY) { + fid = v9inode->writeback_fid; + BUG_ON(!fid); + } + refcount_inc(&fid->count); rreq->netfs_priv = fid; return 0; diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 419d2f3cf2c2..3d8297714772 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -1251,15 +1251,15 @@ static const char *v9fs_vfs_get_link(struct dentry *dentry, return ERR_PTR(-ECHILD); v9ses = v9fs_dentry2v9ses(dentry); - fid = v9fs_fid_lookup(dentry); + if (!v9fs_proto_dotu(v9ses)) + return ERR_PTR(-EBADF); + p9_debug(P9_DEBUG_VFS, "%pd\n", dentry); + fid = v9fs_fid_lookup(dentry); if (IS_ERR(fid)) return ERR_CAST(fid); - if (!v9fs_proto_dotu(v9ses)) - return ERR_PTR(-EBADF); - st = p9_client_stat(fid); p9_client_clunk(fid); if (IS_ERR(st)) diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index d17502a738a9..b6eb1160296c 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -274,6 +274,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, if (IS_ERR(ofid)) { err = PTR_ERR(ofid); p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); + p9_client_clunk(dfid); goto out; } @@ -285,6 +286,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, if (err) { p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n", err); + p9_client_clunk(dfid); goto error; } err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags), @@ -292,6 +294,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, if (err < 0) { p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n", err); + p9_client_clunk(dfid); goto error; } v9fs_invalidate_inode_attr(dir); diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 89630acbc2cc..64dab70d4a4f 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -745,7 +745,8 @@ int afs_getattr(struct user_namespace *mnt_userns, const struct path *path, _enter("{ ino=%lu v=%u }", inode->i_ino, inode->i_generation); - if (!(query_flags & AT_STATX_DONT_SYNC) && + if (vnode->volume && + !(query_flags & AT_STATX_DONT_SYNC) && !test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) { key = afs_request_key(vnode->volume->cell); if (IS_ERR(key)) diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h index 3ac668ace50a..35e0e860cc0b 100644 --- a/fs/btrfs/block-group.h +++ b/fs/btrfs/block-group.h @@ -104,6 +104,7 @@ struct btrfs_block_group { unsigned int relocating_repair:1; unsigned int chunk_item_inserted:1; unsigned int zone_is_active:1; + unsigned int zoned_data_reloc_ongoing:1; int disk_cache_state; diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 0e49b1a0c071..415bf1823fb3 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1330,6 +1330,8 @@ struct btrfs_replace_extent_info { * existing extent into a file range. */ bool is_new_extent; + /* Indicate if we should update the inode's mtime and ctime. */ + bool update_times; /* Meaningful only if is_new_extent is true. */ int qgroup_reserved; /* diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 89e94ea2fef5..4ba005c41983 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4632,6 +4632,17 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info) int ret; set_bit(BTRFS_FS_CLOSING_START, &fs_info->flags); + + /* + * We may have the reclaim task running and relocating a data block group, + * in which case it may create delayed iputs. So stop it before we park + * the cleaner kthread otherwise we can get new delayed iputs after + * parking the cleaner, and that can make the async reclaim task to hang + * if it's waiting for delayed iputs to complete, since the cleaner is + * parked and can not run delayed iputs - this will make us hang when + * trying to stop the async reclaim task. + */ + cancel_work_sync(&fs_info->reclaim_bgs_work); /* * We don't want the cleaner to start new transactions, add more delayed * iputs, etc. while we're closing. We can't use kthread_stop() yet @@ -4672,8 +4683,6 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info) cancel_work_sync(&fs_info->async_data_reclaim_work); cancel_work_sync(&fs_info->preempt_reclaim_work); - cancel_work_sync(&fs_info->reclaim_bgs_work); - /* Cancel or finish ongoing discard work */ btrfs_discard_cleanup(fs_info); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 0867c5cd6e01..4157ecc27d4b 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3832,7 +3832,7 @@ static int do_allocation_zoned(struct btrfs_block_group *block_group, block_group->start == fs_info->data_reloc_bg || fs_info->data_reloc_bg == 0); - if (block_group->ro) { + if (block_group->ro || block_group->zoned_data_reloc_ongoing) { ret = 1; goto out; } @@ -3894,8 +3894,24 @@ static int do_allocation_zoned(struct btrfs_block_group *block_group, out: if (ret && ffe_ctl->for_treelog) fs_info->treelog_bg = 0; - if (ret && ffe_ctl->for_data_reloc) + if (ret && ffe_ctl->for_data_reloc && + fs_info->data_reloc_bg == block_group->start) { + /* + * Do not allow further allocations from this block group. + * Compared to increasing the ->ro, setting the + * ->zoned_data_reloc_ongoing flag still allows nocow + * writers to come in. See btrfs_inc_nocow_writers(). + * + * We need to disable an allocation to avoid an allocation of + * regular (non-relocation data) extent. With mix of relocation + * extents and regular extents, we can dispatch WRITE commands + * (for relocation extents) and ZONE APPEND commands (for + * regular extents) at the same time to the same zone, which + * easily break the write pointer. + */ + block_group->zoned_data_reloc_ongoing = 1; fs_info->data_reloc_bg = 0; + } spin_unlock(&fs_info->relocation_bg_lock); spin_unlock(&fs_info->treelog_bg_lock); spin_unlock(&block_group->lock); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 8f6b544ae616..04e36343da3a 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -5241,13 +5241,14 @@ int extent_writepages(struct address_space *mapping, */ btrfs_zoned_data_reloc_lock(BTRFS_I(inode)); ret = extent_write_cache_pages(mapping, wbc, &epd); - btrfs_zoned_data_reloc_unlock(BTRFS_I(inode)); ASSERT(ret <= 0); if (ret < 0) { + btrfs_zoned_data_reloc_unlock(BTRFS_I(inode)); end_write_bio(&epd, ret); return ret; } flush_write_bio(&epd); + btrfs_zoned_data_reloc_unlock(BTRFS_I(inode)); return ret; } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 1fd827b99c1b..9dfde1af8a64 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2323,25 +2323,62 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) */ btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); - if (ret != BTRFS_NO_LOG_SYNC) { + if (ret == BTRFS_NO_LOG_SYNC) { + ret = btrfs_end_transaction(trans); + goto out; + } + + /* We successfully logged the inode, attempt to sync the log. */ + if (!ret) { + ret = btrfs_sync_log(trans, root, &ctx); if (!ret) { - ret = btrfs_sync_log(trans, root, &ctx); - if (!ret) { - ret = btrfs_end_transaction(trans); - goto out; - } - } - if (!full_sync) { - ret = btrfs_wait_ordered_range(inode, start, len); - if (ret) { - btrfs_end_transaction(trans); - goto out; - } + ret = btrfs_end_transaction(trans); + goto out; } - ret = btrfs_commit_transaction(trans); - } else { + } + + /* + * At this point we need to commit the transaction because we had + * btrfs_need_log_full_commit() or some other error. + * + * If we didn't do a full sync we have to stop the trans handle, wait on + * the ordered extents, start it again and commit the transaction. If + * we attempt to wait on the ordered extents here we could deadlock with + * something like fallocate() that is holding the extent lock trying to + * start a transaction while some other thread is trying to commit the + * transaction while we (fsync) are currently holding the transaction + * open. + */ + if (!full_sync) { ret = btrfs_end_transaction(trans); + if (ret) + goto out; + ret = btrfs_wait_ordered_range(inode, start, len); + if (ret) + goto out; + + /* + * This is safe to use here because we're only interested in + * making sure the transaction that had the ordered extents is + * committed. We aren't waiting on anything past this point, + * we're purely getting the transaction and committing it. + */ + trans = btrfs_attach_transaction_barrier(root); + if (IS_ERR(trans)) { + ret = PTR_ERR(trans); + + /* + * We committed the transaction and there's no currently + * running transaction, this means everything we care + * about made it to disk and we are done. + */ + if (ret == -ENOENT) + ret = 0; + goto out; + } } + + ret = btrfs_commit_transaction(trans); out: ASSERT(list_empty(&ctx.list)); err = file_check_and_advance_wb_err(file); @@ -2719,7 +2756,8 @@ int btrfs_replace_file_extents(struct btrfs_inode *inode, ret = btrfs_block_rsv_migrate(&fs_info->trans_block_rsv, rsv, min_size, false); - BUG_ON(ret); + if (WARN_ON(ret)) + goto out_trans; trans->block_rsv = rsv; cur_offset = start; @@ -2803,6 +2841,25 @@ int btrfs_replace_file_extents(struct btrfs_inode *inode, extent_info->file_offset += replace_len; } + /* + * We are releasing our handle on the transaction, balance the + * dirty pages of the btree inode and flush delayed items, and + * then get a new transaction handle, which may now point to a + * new transaction in case someone else may have committed the + * transaction we used to replace/drop file extent items. So + * bump the inode's iversion and update mtime and ctime except + * if we are called from a dedupe context. This is because a + * power failure/crash may happen after the transaction is + * committed and before we finish replacing/dropping all the + * file extent items we need. + */ + inode_inc_iversion(&inode->vfs_inode); + + if (!extent_info || extent_info->update_times) { + inode->vfs_inode.i_mtime = current_time(&inode->vfs_inode); + inode->vfs_inode.i_ctime = inode->vfs_inode.i_mtime; + } + ret = btrfs_update_inode(trans, root, inode); if (ret) break; @@ -2819,7 +2876,8 @@ int btrfs_replace_file_extents(struct btrfs_inode *inode, ret = btrfs_block_rsv_migrate(&fs_info->trans_block_rsv, rsv, min_size, false); - BUG_ON(ret); /* shouldn't happen */ + if (WARN_ON(ret)) + break; trans->block_rsv = rsv; cur_offset = drop_args.drop_end; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 81737eff92f3..05e0c4a5affd 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3195,6 +3195,8 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent) ordered_extent->file_offset, ordered_extent->file_offset + logical_len); + btrfs_zoned_release_data_reloc_bg(fs_info, ordered_extent->disk_bytenr, + ordered_extent->disk_num_bytes); } else { BUG_ON(root == fs_info->tree_root); ret = insert_ordered_extent_file_extent(trans, ordered_extent); @@ -9897,6 +9899,7 @@ static struct btrfs_trans_handle *insert_prealloc_file_extent( extent_info.file_offset = file_offset; extent_info.extent_buf = (char *)&stack_fi; extent_info.is_new_extent = true; + extent_info.update_times = true; extent_info.qgroup_reserved = qgroup_released; extent_info.insertions = 0; diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index 313d9d685adb..33461b4f9c8b 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c @@ -45,7 +45,6 @@ void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting ne start_ns = ktime_get_ns(); down_read_nested(&eb->lock, nest); - eb->lock_owner = current->pid; trace_btrfs_tree_read_lock(eb, start_ns); } @@ -62,7 +61,6 @@ void btrfs_tree_read_lock(struct extent_buffer *eb) int btrfs_try_tree_read_lock(struct extent_buffer *eb) { if (down_read_trylock(&eb->lock)) { - eb->lock_owner = current->pid; trace_btrfs_try_tree_read_lock(eb); return 1; } @@ -90,7 +88,6 @@ int btrfs_try_tree_write_lock(struct extent_buffer *eb) void btrfs_tree_read_unlock(struct extent_buffer *eb) { trace_btrfs_tree_read_unlock(eb); - eb->lock_owner = 0; up_read(&eb->lock); } diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c index c39f8b3a5a4a..a3549d587464 100644 --- a/fs/btrfs/reflink.c +++ b/fs/btrfs/reflink.c @@ -344,6 +344,7 @@ static int btrfs_clone(struct inode *src, struct inode *inode, int ret; const u64 len = olen_aligned; u64 last_dest_end = destoff; + u64 prev_extent_end = off; ret = -ENOMEM; buf = kvmalloc(fs_info->nodesize, GFP_KERNEL); @@ -363,7 +364,6 @@ static int btrfs_clone(struct inode *src, struct inode *inode, key.offset = off; while (1) { - u64 next_key_min_offset = key.offset + 1; struct btrfs_file_extent_item *extent; u64 extent_gen; int type; @@ -431,14 +431,21 @@ process_slot: * The first search might have left us at an extent item that * ends before our target range's start, can happen if we have * holes and NO_HOLES feature enabled. + * + * Subsequent searches may leave us on a file range we have + * processed before - this happens due to a race with ordered + * extent completion for a file range that is outside our source + * range, but that range was part of a file extent item that + * also covered a leading part of our source range. */ - if (key.offset + datal <= off) { + if (key.offset + datal <= prev_extent_end) { path->slots[0]++; goto process_slot; } else if (key.offset >= off + len) { break; } - next_key_min_offset = key.offset + datal; + + prev_extent_end = key.offset + datal; size = btrfs_item_size(leaf, slot); read_extent_buffer(leaf, buf, btrfs_item_ptr_offset(leaf, slot), size); @@ -489,6 +496,7 @@ process_slot: clone_info.file_offset = new_key.offset; clone_info.extent_buf = buf; clone_info.is_new_extent = false; + clone_info.update_times = !no_time_update; ret = btrfs_replace_file_extents(BTRFS_I(inode), path, drop_start, new_key.offset + datal - 1, &clone_info, &trans); @@ -550,7 +558,7 @@ process_slot: break; btrfs_release_path(path); - key.offset = next_key_min_offset; + key.offset = prev_extent_end; if (fatal_signal_pending(current)) { ret = -EINTR; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index b1fdc6a26c76..6627dd7875ee 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -763,6 +763,8 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, compress_force = false; no_compress++; } else { + btrfs_err(info, "unrecognized compression value %s", + args[0].from); ret = -EINVAL; goto out; } @@ -821,8 +823,11 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, case Opt_thread_pool: ret = match_int(&args[0], &intarg); if (ret) { + btrfs_err(info, "unrecognized thread_pool value %s", + args[0].from); goto out; } else if (intarg == 0) { + btrfs_err(info, "invalid value 0 for thread_pool"); ret = -EINVAL; goto out; } @@ -883,8 +888,11 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, break; case Opt_ratio: ret = match_int(&args[0], &intarg); - if (ret) + if (ret) { + btrfs_err(info, "unrecognized metadata_ratio value %s", + args[0].from); goto out; + } info->metadata_ratio = intarg; btrfs_info(info, "metadata ratio %u", info->metadata_ratio); @@ -901,6 +909,8 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, btrfs_set_and_info(info, DISCARD_ASYNC, "turning on async discard"); } else { + btrfs_err(info, "unrecognized discard mode value %s", + args[0].from); ret = -EINVAL; goto out; } @@ -933,6 +943,8 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, btrfs_set_and_info(info, FREE_SPACE_TREE, "enabling free space tree"); } else { + btrfs_err(info, "unrecognized space_cache value %s", + args[0].from); ret = -EINVAL; goto out; } @@ -1014,8 +1026,12 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, break; case Opt_check_integrity_print_mask: ret = match_int(&args[0], &intarg); - if (ret) + if (ret) { + btrfs_err(info, + "unrecognized check_integrity_print_mask value %s", + args[0].from); goto out; + } info->check_integrity_print_mask = intarg; btrfs_info(info, "check_integrity_print_mask 0x%x", info->check_integrity_print_mask); @@ -1030,13 +1046,15 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, goto out; #endif case Opt_fatal_errors: - if (strcmp(args[0].from, "panic") == 0) + if (strcmp(args[0].from, "panic") == 0) { btrfs_set_opt(info->mount_opt, PANIC_ON_FATAL_ERROR); - else if (strcmp(args[0].from, "bug") == 0) + } else if (strcmp(args[0].from, "bug") == 0) { btrfs_clear_opt(info->mount_opt, PANIC_ON_FATAL_ERROR); - else { + } else { + btrfs_err(info, "unrecognized fatal_errors value %s", + args[0].from); ret = -EINVAL; goto out; } @@ -1044,8 +1062,12 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, case Opt_commit_interval: intarg = 0; ret = match_int(&args[0], &intarg); - if (ret) + if (ret) { + btrfs_err(info, "unrecognized commit_interval value %s", + args[0].from); + ret = -EINVAL; goto out; + } if (intarg == 0) { btrfs_info(info, "using default commit interval %us", @@ -1059,8 +1081,11 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, break; case Opt_rescue: ret = parse_rescue_options(info, args[0].from); - if (ret < 0) + if (ret < 0) { + btrfs_err(info, "unrecognized rescue value %s", + args[0].from); goto out; + } break; #ifdef CONFIG_BTRFS_DEBUG case Opt_fragment_all: @@ -1985,6 +2010,14 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) if (ret) goto restore; + /* V1 cache is not supported for subpage mount. */ + if (fs_info->sectorsize < PAGE_SIZE && btrfs_test_opt(fs_info, SPACE_CACHE)) { + btrfs_warn(fs_info, + "v1 space cache is not supported for page size %lu with sectorsize %u", + PAGE_SIZE, fs_info->sectorsize); + ret = -EINVAL; + goto restore; + } btrfs_remount_begin(fs_info, old_opts, *flags); btrfs_resize_thread_pool(fs_info, fs_info->thread_pool_size, old_thread_pool_size); diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 11237a913bee..79e8c8cd75ed 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -2139,3 +2139,30 @@ bool btrfs_zoned_should_reclaim(struct btrfs_fs_info *fs_info) factor = div64_u64(used * 100, total); return factor >= fs_info->bg_reclaim_threshold; } + +void btrfs_zoned_release_data_reloc_bg(struct btrfs_fs_info *fs_info, u64 logical, + u64 length) +{ + struct btrfs_block_group *block_group; + + if (!btrfs_is_zoned(fs_info)) + return; + + block_group = btrfs_lookup_block_group(fs_info, logical); + /* It should be called on a previous data relocation block group. */ + ASSERT(block_group && (block_group->flags & BTRFS_BLOCK_GROUP_DATA)); + + spin_lock(&block_group->lock); + if (!block_group->zoned_data_reloc_ongoing) + goto out; + + /* All relocation extents are written. */ + if (block_group->start + block_group->alloc_offset == logical + length) { + /* Now, release this block group for further allocations. */ + block_group->zoned_data_reloc_ongoing = 0; + } + +out: + spin_unlock(&block_group->lock); + btrfs_put_block_group(block_group); +} diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h index bb1a189e11f9..6b2eec99162b 100644 --- a/fs/btrfs/zoned.h +++ b/fs/btrfs/zoned.h @@ -77,6 +77,8 @@ void btrfs_schedule_zone_finish_bg(struct btrfs_block_group *bg, void btrfs_clear_data_reloc_bg(struct btrfs_block_group *bg); void btrfs_free_zone_cache(struct btrfs_fs_info *fs_info); bool btrfs_zoned_should_reclaim(struct btrfs_fs_info *fs_info); +void btrfs_zoned_release_data_reloc_bg(struct btrfs_fs_info *fs_info, u64 logical, + u64 length); #else /* CONFIG_BLK_DEV_ZONED */ static inline int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos, struct blk_zone *zone) @@ -243,6 +245,9 @@ static inline bool btrfs_zoned_should_reclaim(struct btrfs_fs_info *fs_info) { return false; } + +static inline void btrfs_zoned_release_data_reloc_bg(struct btrfs_fs_info *fs_info, + u64 logical, u64 length) { } #endif static inline bool btrfs_dev_is_sequential(struct btrfs_device *device, u64 pos) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 38c930384d41..ac8fd5e7f540 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -4377,6 +4377,7 @@ static void flush_dirty_session_caps(struct ceph_mds_session *s) ihold(inode); dout("flush_dirty_caps %llx.%llx\n", ceph_vinop(inode)); spin_unlock(&mdsc->cap_dirty_lock); + ceph_wait_on_async_create(inode); ceph_check_caps(ci, CHECK_CAPS_FLUSH, NULL); iput(inode); spin_lock(&mdsc->cap_dirty_lock); diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 1dd995efd5b8..2cfbac8bb965 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -162,6 +162,8 @@ cifs_dump_iface(struct seq_file *m, struct cifs_server_iface *iface) seq_printf(m, "\t\tIPv4: %pI4\n", &ipv4->sin_addr); else if (iface->sockaddr.ss_family == AF_INET6) seq_printf(m, "\t\tIPv6: %pI6\n", &ipv6->sin6_addr); + if (!iface->is_active) + seq_puts(m, "\t\t[for-cleanup]\n"); } static int cifs_debug_files_proc_show(struct seq_file *m, void *v) @@ -221,6 +223,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) struct TCP_Server_Info *server; struct cifs_ses *ses; struct cifs_tcon *tcon; + struct cifs_server_iface *iface; int c, i, j; seq_puts(m, @@ -456,11 +459,10 @@ skip_rdma: if (ses->iface_count) seq_printf(m, "\n\n\tServer interfaces: %zu", ses->iface_count); - for (j = 0; j < ses->iface_count; j++) { - struct cifs_server_iface *iface; - - iface = &ses->iface_list[j]; - seq_printf(m, "\n\t%d)", j+1); + j = 0; + list_for_each_entry(iface, &ses->iface_list, + iface_head) { + seq_printf(m, "\n\t%d)", ++j); cifs_dump_iface(m, iface); if (is_ses_using_iface(ses, iface)) seq_puts(m, "\t\t[CONNECTED]\n"); diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index e7737166e5b8..a643c84ff1e9 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -80,6 +80,9 @@ #define SMB_DNS_RESOLVE_INTERVAL_MIN 120 #define SMB_DNS_RESOLVE_INTERVAL_DEFAULT 600 +/* smb multichannel query server interfaces interval in seconds */ +#define SMB_INTERFACE_POLL_INTERVAL 600 + /* maximum number of PDUs in one compound */ #define MAX_COMPOUND 5 @@ -933,15 +936,67 @@ static inline void cifs_set_net_ns(struct TCP_Server_Info *srv, struct net *net) #endif struct cifs_server_iface { + struct list_head iface_head; + struct kref refcount; size_t speed; unsigned int rdma_capable : 1; unsigned int rss_capable : 1; + unsigned int is_active : 1; /* unset if non existent */ struct sockaddr_storage sockaddr; }; +/* release iface when last ref is dropped */ +static inline void +release_iface(struct kref *ref) +{ + struct cifs_server_iface *iface = container_of(ref, + struct cifs_server_iface, + refcount); + list_del_init(&iface->iface_head); + kfree(iface); +} + +/* + * compare two interfaces a and b + * return 0 if everything matches. + * return 1 if a has higher link speed, or rdma capable, or rss capable + * return -1 otherwise. + */ +static inline int +iface_cmp(struct cifs_server_iface *a, struct cifs_server_iface *b) +{ + int cmp_ret = 0; + + WARN_ON(!a || !b); + if (a->speed == b->speed) { + if (a->rdma_capable == b->rdma_capable) { + if (a->rss_capable == b->rss_capable) { + cmp_ret = memcmp(&a->sockaddr, &b->sockaddr, + sizeof(a->sockaddr)); + if (!cmp_ret) + return 0; + else if (cmp_ret > 0) + return 1; + else + return -1; + } else if (a->rss_capable > b->rss_capable) + return 1; + else + return -1; + } else if (a->rdma_capable > b->rdma_capable) + return 1; + else + return -1; + } else if (a->speed > b->speed) + return 1; + else + return -1; +} + struct cifs_chan { unsigned int in_reconnect : 1; /* if session setup in progress for this channel */ struct TCP_Server_Info *server; + struct cifs_server_iface *iface; /* interface in use */ __u8 signkey[SMB3_SIGN_KEY_SIZE]; }; @@ -993,7 +1048,7 @@ struct cifs_ses { */ spinlock_t iface_lock; /* ========= begin: protected by iface_lock ======== */ - struct cifs_server_iface *iface_list; + struct list_head iface_list; size_t iface_count; unsigned long iface_last_update; /* jiffies */ /* ========= end: protected by iface_lock ======== */ @@ -1203,6 +1258,7 @@ struct cifs_tcon { #ifdef CONFIG_CIFS_DFS_UPCALL struct list_head ulist; /* cache update list */ #endif + struct delayed_work query_interfaces; /* query interfaces workqueue job */ }; /* diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 3b7366ec03c7..d59aebefa71c 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -636,6 +636,13 @@ cifs_chan_clear_need_reconnect(struct cifs_ses *ses, bool cifs_chan_needs_reconnect(struct cifs_ses *ses, struct TCP_Server_Info *server); +bool +cifs_chan_is_iface_active(struct cifs_ses *ses, + struct TCP_Server_Info *server); +int +cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server); +int +SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon); void extract_unc_hostname(const char *unc, const char **h, size_t *len); int copy_path_name(char *dst, const char *src); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 1849e3411487..fa29c9aae24b 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -145,6 +145,25 @@ requeue_resolve: return rc; } +static void smb2_query_server_interfaces(struct work_struct *work) +{ + int rc; + struct cifs_tcon *tcon = container_of(work, + struct cifs_tcon, + query_interfaces.work); + + /* + * query server network interfaces, in case they change + */ + rc = SMB3_request_interfaces(0, tcon); + if (rc) { + cifs_dbg(FYI, "%s: failed to query server interfaces: %d\n", + __func__, rc); + } + + queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, + (SMB_INTERFACE_POLL_INTERVAL * HZ)); +} static void cifs_resolve_server(struct work_struct *work) { @@ -217,7 +236,7 @@ cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server, bool mark_smb_session) { struct TCP_Server_Info *pserver; - struct cifs_ses *ses; + struct cifs_ses *ses, *nses; struct cifs_tcon *tcon; /* @@ -231,7 +250,20 @@ cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server, spin_lock(&cifs_tcp_ses_lock); - list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) { + list_for_each_entry_safe(ses, nses, &pserver->smb_ses_list, smb_ses_list) { + /* check if iface is still active */ + if (!cifs_chan_is_iface_active(ses, server)) { + /* + * HACK: drop the lock before calling + * cifs_chan_update_iface to avoid deadlock + */ + ses->ses_count++; + spin_unlock(&cifs_tcp_ses_lock); + cifs_chan_update_iface(ses, server); + spin_lock(&cifs_tcp_ses_lock); + ses->ses_count--; + } + spin_lock(&ses->chan_lock); if (!mark_smb_session && cifs_chan_needs_reconnect(ses, server)) goto next_session; @@ -1894,9 +1926,11 @@ void cifs_put_smb_ses(struct cifs_ses *ses) int i; for (i = 1; i < chan_count; i++) { - spin_unlock(&ses->chan_lock); + if (ses->chans[i].iface) { + kref_put(&ses->chans[i].iface->refcount, release_iface); + ses->chans[i].iface = NULL; + } cifs_put_tcp_session(ses->chans[i].server, 0); - spin_lock(&ses->chan_lock); ses->chans[i].server = NULL; } } @@ -2270,6 +2304,9 @@ cifs_put_tcon(struct cifs_tcon *tcon) list_del_init(&tcon->tcon_list); spin_unlock(&cifs_tcp_ses_lock); + /* cancel polling of interfaces */ + cancel_delayed_work_sync(&tcon->query_interfaces); + if (tcon->use_witness) { int rc; @@ -2507,6 +2544,12 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx) tcon->local_lease = ctx->local_lease; INIT_LIST_HEAD(&tcon->pending_opens); + /* schedule query interfaces poll */ + INIT_DELAYED_WORK(&tcon->query_interfaces, + smb2_query_server_interfaces); + queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, + (SMB_INTERFACE_POLL_INTERVAL * HZ)); + spin_lock(&cifs_tcp_ses_lock); list_add(&tcon->tcon_list, &ses->tcon_list); spin_unlock(&cifs_tcp_ses_lock); @@ -3982,10 +4025,16 @@ cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, struct nls_table *nls_info) { int rc = -ENOSYS; + struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; + struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; bool is_binding = false; - spin_lock(&cifs_tcp_ses_lock); + if (server->dstaddr.ss_family == AF_INET6) + scnprintf(ses->ip_addr, sizeof(ses->ip_addr), "%pI6", &addr6->sin6_addr); + else + scnprintf(ses->ip_addr, sizeof(ses->ip_addr), "%pI4", &addr->sin_addr); + if (ses->ses_status != SES_GOOD && ses->ses_status != SES_NEW && ses->ses_status != SES_NEED_RECON) { diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index c69e1240d730..0e84e6fcf8ab 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -75,6 +75,7 @@ sesInfoAlloc(void) INIT_LIST_HEAD(&ret_buf->tcon_list); mutex_init(&ret_buf->session_mutex); spin_lock_init(&ret_buf->iface_lock); + INIT_LIST_HEAD(&ret_buf->iface_list); spin_lock_init(&ret_buf->chan_lock); } return ret_buf; @@ -83,6 +84,8 @@ sesInfoAlloc(void) void sesInfoFree(struct cifs_ses *buf_to_free) { + struct cifs_server_iface *iface = NULL, *niface = NULL; + if (buf_to_free == NULL) { cifs_dbg(FYI, "Null buffer passed to sesInfoFree\n"); return; @@ -96,7 +99,11 @@ sesInfoFree(struct cifs_ses *buf_to_free) kfree(buf_to_free->user_name); kfree(buf_to_free->domainName); kfree_sensitive(buf_to_free->auth_key.response); - kfree(buf_to_free->iface_list); + spin_lock(&buf_to_free->iface_lock); + list_for_each_entry_safe(iface, niface, &buf_to_free->iface_list, + iface_head) + kref_put(&iface->refcount, release_iface); + spin_unlock(&buf_to_free->iface_lock); kfree_sensitive(buf_to_free); } diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index d417de354d9d..b85718f32b53 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -58,7 +58,7 @@ bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface) spin_lock(&ses->chan_lock); for (i = 0; i < ses->chan_count; i++) { - if (is_server_using_iface(ses->chans[i].server, iface)) { + if (ses->chans[i].iface == iface) { spin_unlock(&ses->chan_lock); return true; } @@ -146,16 +146,24 @@ cifs_chan_needs_reconnect(struct cifs_ses *ses, return CIFS_CHAN_NEEDS_RECONNECT(ses, chan_index); } +bool +cifs_chan_is_iface_active(struct cifs_ses *ses, + struct TCP_Server_Info *server) +{ + unsigned int chan_index = cifs_ses_get_chan_index(ses, server); + + return ses->chans[chan_index].iface && + ses->chans[chan_index].iface->is_active; +} + /* returns number of channels added */ int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses) { int old_chan_count, new_chan_count; int left; - int i = 0; int rc = 0; int tries = 0; - struct cifs_server_iface *ifaces = NULL; - size_t iface_count; + struct cifs_server_iface *iface = NULL, *niface = NULL; spin_lock(&ses->chan_lock); @@ -185,32 +193,16 @@ int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses) spin_unlock(&ses->chan_lock); /* - * Make a copy of the iface list at the time and use that - * instead so as to not hold the iface spinlock for opening - * channels - */ - spin_lock(&ses->iface_lock); - iface_count = ses->iface_count; - if (iface_count <= 0) { - spin_unlock(&ses->iface_lock); - cifs_dbg(VFS, "no iface list available to open channels\n"); - return 0; - } - ifaces = kmemdup(ses->iface_list, iface_count*sizeof(*ifaces), - GFP_ATOMIC); - if (!ifaces) { - spin_unlock(&ses->iface_lock); - return 0; - } - spin_unlock(&ses->iface_lock); - - /* * Keep connecting to same, fastest, iface for all channels as * long as its RSS. Try next fastest one if not RSS or channel * creation fails. */ + spin_lock(&ses->iface_lock); + iface = list_first_entry(&ses->iface_list, struct cifs_server_iface, + iface_head); + spin_unlock(&ses->iface_lock); + while (left > 0) { - struct cifs_server_iface *iface; tries++; if (tries > 3*ses->chan_max) { @@ -219,31 +211,128 @@ int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses) break; } - iface = &ifaces[i]; - if (is_ses_using_iface(ses, iface) && !iface->rss_capable) { - i = (i+1) % iface_count; - continue; + spin_lock(&ses->iface_lock); + if (!ses->iface_count) { + spin_unlock(&ses->iface_lock); + break; } - rc = cifs_ses_add_channel(cifs_sb, ses, iface); - if (rc) { - cifs_dbg(FYI, "failed to open extra channel on iface#%d rc=%d\n", - i, rc); - i = (i+1) % iface_count; - continue; + list_for_each_entry_safe_from(iface, niface, &ses->iface_list, + iface_head) { + /* skip ifaces that are unusable */ + if (!iface->is_active || + (is_ses_using_iface(ses, iface) && + !iface->rss_capable)) { + continue; + } + + /* take ref before unlock */ + kref_get(&iface->refcount); + + spin_unlock(&ses->iface_lock); + rc = cifs_ses_add_channel(cifs_sb, ses, iface); + spin_lock(&ses->iface_lock); + + if (rc) { + cifs_dbg(VFS, "failed to open extra channel on iface:%pIS rc=%d\n", + &iface->sockaddr, + rc); + kref_put(&iface->refcount, release_iface); + continue; + } + + cifs_dbg(FYI, "successfully opened new channel on iface:%pIS\n", + &iface->sockaddr); + break; } + spin_unlock(&ses->iface_lock); - cifs_dbg(FYI, "successfully opened new channel on iface#%d\n", - i); left--; new_chan_count++; } - kfree(ifaces); return new_chan_count - old_chan_count; } /* + * update the iface for the channel if necessary. + * will return 0 when iface is updated, 1 if removed, 2 otherwise + * Must be called with chan_lock held. + */ +int +cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server) +{ + unsigned int chan_index; + struct cifs_server_iface *iface = NULL; + struct cifs_server_iface *old_iface = NULL; + int rc = 0; + + spin_lock(&ses->chan_lock); + chan_index = cifs_ses_get_chan_index(ses, server); + if (!chan_index) { + spin_unlock(&ses->chan_lock); + return 0; + } + + if (ses->chans[chan_index].iface) { + old_iface = ses->chans[chan_index].iface; + if (old_iface->is_active) { + spin_unlock(&ses->chan_lock); + return 1; + } + } + spin_unlock(&ses->chan_lock); + + spin_lock(&ses->iface_lock); + /* then look for a new one */ + list_for_each_entry(iface, &ses->iface_list, iface_head) { + if (!iface->is_active || + (is_ses_using_iface(ses, iface) && + !iface->rss_capable)) { + continue; + } + kref_get(&iface->refcount); + } + + if (!list_entry_is_head(iface, &ses->iface_list, iface_head)) { + rc = 1; + iface = NULL; + cifs_dbg(FYI, "unable to find a suitable iface\n"); + } + + /* now drop the ref to the current iface */ + if (old_iface && iface) { + kref_put(&old_iface->refcount, release_iface); + cifs_dbg(FYI, "replacing iface: %pIS with %pIS\n", + &old_iface->sockaddr, + &iface->sockaddr); + } else if (old_iface) { + kref_put(&old_iface->refcount, release_iface); + cifs_dbg(FYI, "releasing ref to iface: %pIS\n", + &old_iface->sockaddr); + } else { + WARN_ON(!iface); + cifs_dbg(FYI, "adding new iface: %pIS\n", &iface->sockaddr); + } + spin_unlock(&ses->iface_lock); + + spin_lock(&ses->chan_lock); + chan_index = cifs_ses_get_chan_index(ses, server); + ses->chans[chan_index].iface = iface; + + /* No iface is found. if secondary chan, drop connection */ + if (!iface && CIFS_SERVER_IS_CHAN(server)) + ses->chans[chan_index].server = NULL; + + spin_unlock(&ses->chan_lock); + + if (!iface && CIFS_SERVER_IS_CHAN(server)) + cifs_put_tcp_session(server, false); + + return rc; +} + +/* * If server is a channel of ses, return the corresponding enclosing * cifs_chan otherwise return NULL. */ @@ -355,6 +444,7 @@ cifs_ses_add_channel(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses, spin_unlock(&ses->chan_lock); goto out; } + chan->iface = iface; ses->chan_count++; atomic_set(&ses->chan_seq, 0); diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 8543cafdfd34..8802995b2d3d 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -512,73 +512,41 @@ smb3_negotiate_rsize(struct cifs_tcon *tcon, struct smb3_fs_context *ctx) static int parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, size_t buf_len, - struct cifs_server_iface **iface_list, - size_t *iface_count) + struct cifs_ses *ses) { struct network_interface_info_ioctl_rsp *p; struct sockaddr_in *addr4; struct sockaddr_in6 *addr6; struct iface_info_ipv4 *p4; struct iface_info_ipv6 *p6; - struct cifs_server_iface *info; + struct cifs_server_iface *info = NULL, *iface = NULL, *niface = NULL; + struct cifs_server_iface tmp_iface; ssize_t bytes_left; size_t next = 0; int nb_iface = 0; - int rc = 0; - - *iface_list = NULL; - *iface_count = 0; - - /* - * Fist pass: count and sanity check - */ + int rc = 0, ret = 0; bytes_left = buf_len; p = buf; - while (bytes_left >= sizeof(*p)) { - nb_iface++; - next = le32_to_cpu(p->Next); - if (!next) { - bytes_left -= sizeof(*p); - break; - } - p = (struct network_interface_info_ioctl_rsp *)((u8 *)p+next); - bytes_left -= next; - } - - if (!nb_iface) { - cifs_dbg(VFS, "%s: malformed interface info\n", __func__); - rc = -EINVAL; - goto out; - } - - /* Azure rounds the buffer size up 8, to a 16 byte boundary */ - if ((bytes_left > 8) || p->Next) - cifs_dbg(VFS, "%s: incomplete interface info\n", __func__); - + spin_lock(&ses->iface_lock); /* - * Second pass: extract info to internal structure + * Go through iface_list and do kref_put to remove + * any unused ifaces. ifaces in use will be removed + * when the last user calls a kref_put on it */ - - *iface_list = kcalloc(nb_iface, sizeof(**iface_list), GFP_KERNEL); - if (!*iface_list) { - rc = -ENOMEM; - goto out; + list_for_each_entry_safe(iface, niface, &ses->iface_list, + iface_head) { + iface->is_active = 0; + kref_put(&iface->refcount, release_iface); } + spin_unlock(&ses->iface_lock); - info = *iface_list; - bytes_left = buf_len; - p = buf; while (bytes_left >= sizeof(*p)) { - info->speed = le64_to_cpu(p->LinkSpeed); - info->rdma_capable = le32_to_cpu(p->Capability & RDMA_CAPABLE) ? 1 : 0; - info->rss_capable = le32_to_cpu(p->Capability & RSS_CAPABLE) ? 1 : 0; - - cifs_dbg(FYI, "%s: adding iface %zu\n", __func__, *iface_count); - cifs_dbg(FYI, "%s: speed %zu bps\n", __func__, info->speed); - cifs_dbg(FYI, "%s: capabilities 0x%08x\n", __func__, - le32_to_cpu(p->Capability)); + memset(&tmp_iface, 0, sizeof(tmp_iface)); + tmp_iface.speed = le64_to_cpu(p->LinkSpeed); + tmp_iface.rdma_capable = le32_to_cpu(p->Capability & RDMA_CAPABLE) ? 1 : 0; + tmp_iface.rss_capable = le32_to_cpu(p->Capability & RSS_CAPABLE) ? 1 : 0; switch (p->Family) { /* @@ -587,7 +555,7 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, * conversion explicit in case either one changes. */ case INTERNETWORK: - addr4 = (struct sockaddr_in *)&info->sockaddr; + addr4 = (struct sockaddr_in *)&tmp_iface.sockaddr; p4 = (struct iface_info_ipv4 *)p->Buffer; addr4->sin_family = AF_INET; memcpy(&addr4->sin_addr, &p4->IPv4Address, 4); @@ -599,7 +567,7 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, &addr4->sin_addr); break; case INTERNETWORKV6: - addr6 = (struct sockaddr_in6 *)&info->sockaddr; + addr6 = (struct sockaddr_in6 *)&tmp_iface.sockaddr; p6 = (struct iface_info_ipv6 *)p->Buffer; addr6->sin6_family = AF_INET6; memcpy(&addr6->sin6_addr, &p6->IPv6Address, 16); @@ -619,46 +587,96 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, goto next_iface; } - (*iface_count)++; - info++; + /* + * The iface_list is assumed to be sorted by speed. + * Check if the new interface exists in that list. + * NEVER change iface. it could be in use. + * Add a new one instead + */ + spin_lock(&ses->iface_lock); + iface = niface = NULL; + list_for_each_entry_safe(iface, niface, &ses->iface_list, + iface_head) { + ret = iface_cmp(iface, &tmp_iface); + if (!ret) { + /* just get a ref so that it doesn't get picked/freed */ + iface->is_active = 1; + kref_get(&iface->refcount); + spin_unlock(&ses->iface_lock); + goto next_iface; + } else if (ret < 0) { + /* all remaining ifaces are slower */ + kref_get(&iface->refcount); + break; + } + } + spin_unlock(&ses->iface_lock); + + /* no match. insert the entry in the list */ + info = kmalloc(sizeof(struct cifs_server_iface), + GFP_KERNEL); + if (!info) { + rc = -ENOMEM; + goto out; + } + memcpy(info, &tmp_iface, sizeof(tmp_iface)); + + /* add this new entry to the list */ + kref_init(&info->refcount); + info->is_active = 1; + + cifs_dbg(FYI, "%s: adding iface %zu\n", __func__, ses->iface_count); + cifs_dbg(FYI, "%s: speed %zu bps\n", __func__, info->speed); + cifs_dbg(FYI, "%s: capabilities 0x%08x\n", __func__, + le32_to_cpu(p->Capability)); + + spin_lock(&ses->iface_lock); + if (!list_entry_is_head(iface, &ses->iface_list, iface_head)) { + list_add_tail(&info->iface_head, &iface->iface_head); + kref_put(&iface->refcount, release_iface); + } else + list_add_tail(&info->iface_head, &ses->iface_list); + spin_unlock(&ses->iface_lock); + + ses->iface_count++; + ses->iface_last_update = jiffies; next_iface: + nb_iface++; next = le32_to_cpu(p->Next); - if (!next) + if (!next) { + bytes_left -= sizeof(*p); break; + } p = (struct network_interface_info_ioctl_rsp *)((u8 *)p+next); bytes_left -= next; } - if (!*iface_count) { + if (!nb_iface) { + cifs_dbg(VFS, "%s: malformed interface info\n", __func__); rc = -EINVAL; goto out; } -out: - if (rc) { - kfree(*iface_list); - *iface_count = 0; - *iface_list = NULL; - } - return rc; -} + /* Azure rounds the buffer size up 8, to a 16 byte boundary */ + if ((bytes_left > 8) || p->Next) + cifs_dbg(VFS, "%s: incomplete interface info\n", __func__); -static int compare_iface(const void *ia, const void *ib) -{ - const struct cifs_server_iface *a = (struct cifs_server_iface *)ia; - const struct cifs_server_iface *b = (struct cifs_server_iface *)ib; - return a->speed == b->speed ? 0 : (a->speed > b->speed ? -1 : 1); + if (!ses->iface_count) { + rc = -EINVAL; + goto out; + } + +out: + return rc; } -static int +int SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) { int rc; unsigned int ret_data_len = 0; struct network_interface_info_ioctl_rsp *out_buf = NULL; - struct cifs_server_iface *iface_list; - size_t iface_count; struct cifs_ses *ses = tcon->ses; rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, @@ -674,21 +692,10 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) goto out; } - rc = parse_server_interfaces(out_buf, ret_data_len, - &iface_list, &iface_count); + rc = parse_server_interfaces(out_buf, ret_data_len, ses); if (rc) goto out; - /* sort interfaces from fastest to slowest */ - sort(iface_list, iface_count, sizeof(*iface_list), compare_iface, NULL); - - spin_lock(&ses->iface_lock); - kfree(ses->iface_list); - ses->iface_list = iface_list; - ses->iface_count = iface_count; - ses->iface_last_update = jiffies; - spin_unlock(&ses->iface_lock); - out: kfree(out_buf); return rc; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index b515140bad8d..12b4dddaedb0 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -543,6 +543,7 @@ assemble_neg_contexts(struct smb2_negotiate_req *req, struct TCP_Server_Info *server, unsigned int *total_len) { char *pneg_ctxt; + char *hostname = NULL; unsigned int ctxt_len, neg_context_count; if (*total_len > 200) { @@ -570,16 +571,24 @@ assemble_neg_contexts(struct smb2_negotiate_req *req, *total_len += ctxt_len; pneg_ctxt += ctxt_len; - ctxt_len = build_netname_ctxt((struct smb2_netname_neg_context *)pneg_ctxt, - server->hostname); - *total_len += ctxt_len; - pneg_ctxt += ctxt_len; - build_posix_ctxt((struct smb2_posix_neg_context *)pneg_ctxt); *total_len += sizeof(struct smb2_posix_neg_context); pneg_ctxt += sizeof(struct smb2_posix_neg_context); - neg_context_count = 4; + /* + * secondary channels don't have the hostname field populated + * use the hostname field in the primary channel instead + */ + hostname = CIFS_SERVER_IS_CHAN(server) ? + server->primary_server->hostname : server->hostname; + if (hostname && (hostname[0] != 0)) { + ctxt_len = build_netname_ctxt((struct smb2_netname_neg_context *)pneg_ctxt, + hostname); + *total_len += ctxt_len; + pneg_ctxt += ctxt_len; + neg_context_count = 4; + } else /* second channels do not have a hostname */ + neg_context_count = 3; if (server->compress_algorithm) { build_compression_ctxt((struct smb2_compression_capabilities_context *) diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index 76acc3721951..c6eaf7e9ea74 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -1198,7 +1198,9 @@ static int __exfat_rename(struct inode *old_parent_inode, return -ENOENT; } - exfat_chain_dup(&olddir, &ei->dir); + exfat_chain_set(&olddir, EXFAT_I(old_parent_inode)->start_clu, + EXFAT_B_TO_CLU_ROUND_UP(i_size_read(old_parent_inode), sbi), + EXFAT_I(old_parent_inode)->flags); dentry = ei->entry; ep = exfat_get_dentry(sb, &olddir, dentry, &old_bh); diff --git a/fs/f2fs/iostat.c b/fs/f2fs/iostat.c index be599f31d3c4..d84c5f6cc09d 100644 --- a/fs/f2fs/iostat.c +++ b/fs/f2fs/iostat.c @@ -91,8 +91,9 @@ static inline void __record_iostat_latency(struct f2fs_sb_info *sbi) unsigned int cnt; struct f2fs_iostat_latency iostat_lat[MAX_IO_TYPE][NR_PAGE_TYPE]; struct iostat_lat_info *io_lat = sbi->iostat_io_lat; + unsigned long flags; - spin_lock_bh(&sbi->iostat_lat_lock); + spin_lock_irqsave(&sbi->iostat_lat_lock, flags); for (idx = 0; idx < MAX_IO_TYPE; idx++) { for (io = 0; io < NR_PAGE_TYPE; io++) { cnt = io_lat->bio_cnt[idx][io]; @@ -106,7 +107,7 @@ static inline void __record_iostat_latency(struct f2fs_sb_info *sbi) io_lat->bio_cnt[idx][io] = 0; } } - spin_unlock_bh(&sbi->iostat_lat_lock); + spin_unlock_irqrestore(&sbi->iostat_lat_lock, flags); trace_f2fs_iostat_latency(sbi, iostat_lat); } @@ -115,14 +116,15 @@ static inline void f2fs_record_iostat(struct f2fs_sb_info *sbi) { unsigned long long iostat_diff[NR_IO_TYPE]; int i; + unsigned long flags; if (time_is_after_jiffies(sbi->iostat_next_period)) return; /* Need double check under the lock */ - spin_lock_bh(&sbi->iostat_lock); + spin_lock_irqsave(&sbi->iostat_lock, flags); if (time_is_after_jiffies(sbi->iostat_next_period)) { - spin_unlock_bh(&sbi->iostat_lock); + spin_unlock_irqrestore(&sbi->iostat_lock, flags); return; } sbi->iostat_next_period = jiffies + @@ -133,7 +135,7 @@ static inline void f2fs_record_iostat(struct f2fs_sb_info *sbi) sbi->prev_rw_iostat[i]; sbi->prev_rw_iostat[i] = sbi->rw_iostat[i]; } - spin_unlock_bh(&sbi->iostat_lock); + spin_unlock_irqrestore(&sbi->iostat_lock, flags); trace_f2fs_iostat(sbi, iostat_diff); @@ -145,25 +147,27 @@ void f2fs_reset_iostat(struct f2fs_sb_info *sbi) struct iostat_lat_info *io_lat = sbi->iostat_io_lat; int i; - spin_lock_bh(&sbi->iostat_lock); + spin_lock_irq(&sbi->iostat_lock); for (i = 0; i < NR_IO_TYPE; i++) { sbi->rw_iostat[i] = 0; sbi->prev_rw_iostat[i] = 0; } - spin_unlock_bh(&sbi->iostat_lock); + spin_unlock_irq(&sbi->iostat_lock); - spin_lock_bh(&sbi->iostat_lat_lock); + spin_lock_irq(&sbi->iostat_lat_lock); memset(io_lat, 0, sizeof(struct iostat_lat_info)); - spin_unlock_bh(&sbi->iostat_lat_lock); + spin_unlock_irq(&sbi->iostat_lat_lock); } void f2fs_update_iostat(struct f2fs_sb_info *sbi, enum iostat_type type, unsigned long long io_bytes) { + unsigned long flags; + if (!sbi->iostat_enable) return; - spin_lock_bh(&sbi->iostat_lock); + spin_lock_irqsave(&sbi->iostat_lock, flags); sbi->rw_iostat[type] += io_bytes; if (type == APP_BUFFERED_IO || type == APP_DIRECT_IO) @@ -172,7 +176,7 @@ void f2fs_update_iostat(struct f2fs_sb_info *sbi, if (type == APP_BUFFERED_READ_IO || type == APP_DIRECT_READ_IO) sbi->rw_iostat[APP_READ_IO] += io_bytes; - spin_unlock_bh(&sbi->iostat_lock); + spin_unlock_irqrestore(&sbi->iostat_lock, flags); f2fs_record_iostat(sbi); } @@ -185,6 +189,7 @@ static inline void __update_iostat_latency(struct bio_iostat_ctx *iostat_ctx, struct f2fs_sb_info *sbi = iostat_ctx->sbi; struct iostat_lat_info *io_lat = sbi->iostat_io_lat; int idx; + unsigned long flags; if (!sbi->iostat_enable) return; @@ -202,12 +207,12 @@ static inline void __update_iostat_latency(struct bio_iostat_ctx *iostat_ctx, idx = WRITE_ASYNC_IO; } - spin_lock_bh(&sbi->iostat_lat_lock); + spin_lock_irqsave(&sbi->iostat_lat_lock, flags); io_lat->sum_lat[idx][iotype] += ts_diff; io_lat->bio_cnt[idx][iotype]++; if (ts_diff > io_lat->peak_lat[idx][iotype]) io_lat->peak_lat[idx][iotype] = ts_diff; - spin_unlock_bh(&sbi->iostat_lat_lock); + spin_unlock_irqrestore(&sbi->iostat_lat_lock, flags); } void iostat_update_and_unbind_ctx(struct bio *bio, int rw) diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index c549acb52ac4..bf00d5057abb 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -89,8 +89,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns, if (test_opt(sbi, INLINE_XATTR)) set_inode_flag(inode, FI_INLINE_XATTR); - if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode)) - set_inode_flag(inode, FI_INLINE_DATA); if (f2fs_may_inline_dentry(inode)) set_inode_flag(inode, FI_INLINE_DENTRY); @@ -107,10 +105,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns, f2fs_init_extent_tree(inode, NULL); - stat_inc_inline_xattr(inode); - stat_inc_inline_inode(inode); - stat_inc_inline_dir(inode); - F2FS_I(inode)->i_flags = f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED); @@ -127,6 +121,14 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns, set_compress_context(inode); } + /* Should enable inline_data after compression set */ + if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode)) + set_inode_flag(inode, FI_INLINE_DATA); + + stat_inc_inline_xattr(inode); + stat_inc_inline_inode(inode); + stat_inc_inline_dir(inode); + f2fs_set_inode_flags(inode); trace_f2fs_new_inode(inode, 0); @@ -325,6 +327,9 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode, if (!is_extension_exist(name, ext[i], false)) continue; + /* Do not use inline_data with compression */ + stat_dec_inline_inode(inode); + clear_inode_flag(inode, FI_INLINE_DATA); set_compress_context(inode); return; } diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 836c79a20afc..cf6f7fc83c08 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1450,7 +1450,9 @@ page_hit: out_err: ClearPageUptodate(page); out_put_err: - f2fs_handle_page_eio(sbi, page->index, NODE); + /* ENOENT comes from read_node_page which is not an error. */ + if (err != -ENOENT) + f2fs_handle_page_eio(sbi, page->index, NODE); f2fs_put_page(page, 1); return ERR_PTR(err); } diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 62408047e8d7..02eb72351b15 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -600,41 +600,79 @@ static void hugetlb_vmtruncate(struct inode *inode, loff_t offset) remove_inode_hugepages(inode, offset, LLONG_MAX); } +static void hugetlbfs_zero_partial_page(struct hstate *h, + struct address_space *mapping, + loff_t start, + loff_t end) +{ + pgoff_t idx = start >> huge_page_shift(h); + struct folio *folio; + + folio = filemap_lock_folio(mapping, idx); + if (!folio) + return; + + start = start & ~huge_page_mask(h); + end = end & ~huge_page_mask(h); + if (!end) + end = huge_page_size(h); + + folio_zero_segment(folio, (size_t)start, (size_t)end); + + folio_unlock(folio); + folio_put(folio); +} + static long hugetlbfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) { + struct hugetlbfs_inode_info *info = HUGETLBFS_I(inode); + struct address_space *mapping = inode->i_mapping; struct hstate *h = hstate_inode(inode); loff_t hpage_size = huge_page_size(h); loff_t hole_start, hole_end; /* - * For hole punch round up the beginning offset of the hole and - * round down the end. + * hole_start and hole_end indicate the full pages within the hole. */ hole_start = round_up(offset, hpage_size); hole_end = round_down(offset + len, hpage_size); - if (hole_end > hole_start) { - struct address_space *mapping = inode->i_mapping; - struct hugetlbfs_inode_info *info = HUGETLBFS_I(inode); + inode_lock(inode); - inode_lock(inode); + /* protected by i_rwsem */ + if (info->seals & (F_SEAL_WRITE | F_SEAL_FUTURE_WRITE)) { + inode_unlock(inode); + return -EPERM; + } - /* protected by i_rwsem */ - if (info->seals & (F_SEAL_WRITE | F_SEAL_FUTURE_WRITE)) { - inode_unlock(inode); - return -EPERM; - } + i_mmap_lock_write(mapping); + + /* If range starts before first full page, zero partial page. */ + if (offset < hole_start) + hugetlbfs_zero_partial_page(h, mapping, + offset, min(offset + len, hole_start)); - i_mmap_lock_write(mapping); + /* Unmap users of full pages in the hole. */ + if (hole_end > hole_start) { if (!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root)) hugetlb_vmdelete_list(&mapping->i_mmap, hole_start >> PAGE_SHIFT, hole_end >> PAGE_SHIFT, 0); - i_mmap_unlock_write(mapping); - remove_inode_hugepages(inode, hole_start, hole_end); - inode_unlock(inode); } + /* If range extends beyond last full page, zero partial page. */ + if ((offset + len) > hole_end && (offset + len) > hole_start) + hugetlbfs_zero_partial_page(h, mapping, + hole_end, offset + len); + + i_mmap_unlock_write(mapping); + + /* Remove full pages from the file. */ + if (hole_end > hole_start) + remove_inode_hugepages(inode, hole_start, hole_end); + + inode_unlock(inode); + return 0; } diff --git a/fs/io_uring.c b/fs/io_uring.c index d3ee4fc532fa..0d491ad15b66 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1183,6 +1183,7 @@ static const struct io_op_def io_op_defs[] = { .unbound_nonreg_file = 1, .pollout = 1, .needs_async_setup = 1, + .ioprio = 1, .async_size = sizeof(struct io_async_msghdr), }, [IORING_OP_RECVMSG] = { @@ -1191,6 +1192,7 @@ static const struct io_op_def io_op_defs[] = { .pollin = 1, .buffer_select = 1, .needs_async_setup = 1, + .ioprio = 1, .async_size = sizeof(struct io_async_msghdr), }, [IORING_OP_TIMEOUT] = { @@ -1266,6 +1268,7 @@ static const struct io_op_def io_op_defs[] = { .unbound_nonreg_file = 1, .pollout = 1, .audit_skip = 1, + .ioprio = 1, }, [IORING_OP_RECV] = { .needs_file = 1, @@ -1273,6 +1276,7 @@ static const struct io_op_def io_op_defs[] = { .pollin = 1, .buffer_select = 1, .audit_skip = 1, + .ioprio = 1, }, [IORING_OP_OPENAT2] = { }, @@ -1975,7 +1979,7 @@ static inline void io_req_track_inflight(struct io_kiocb *req) { if (!(req->flags & REQ_F_INFLIGHT)) { req->flags |= REQ_F_INFLIGHT; - atomic_inc(¤t->io_uring->inflight_tracked); + atomic_inc(&req->task->io_uring->inflight_tracked); } } @@ -3437,7 +3441,7 @@ static bool __io_complete_rw_common(struct io_kiocb *req, long res) if (unlikely(res != req->cqe.res)) { if ((res == -EAGAIN || res == -EOPNOTSUPP) && io_rw_should_reissue(req)) { - req->flags |= REQ_F_REISSUE; + req->flags |= REQ_F_REISSUE | REQ_F_PARTIAL_IO; return true; } req_set_fail(req); @@ -3487,7 +3491,7 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res) kiocb_end_write(req); if (unlikely(res != req->cqe.res)) { if (res == -EAGAIN && io_rw_should_reissue(req)) { - req->flags |= REQ_F_REISSUE; + req->flags |= REQ_F_REISSUE | REQ_F_PARTIAL_IO; return; } req->cqe.res = res; @@ -4314,18 +4318,19 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags) if (unlikely(ret < 0)) return ret; } else { + rw = req->async_data; + s = &rw->s; + /* * Safe and required to re-import if we're using provided * buffers, as we dropped the selected one before retry. */ - if (req->flags & REQ_F_BUFFER_SELECT) { + if (io_do_buffer_select(req)) { ret = io_import_iovec(READ, req, &iovec, s, issue_flags); if (unlikely(ret < 0)) return ret; } - rw = req->async_data; - s = &rw->s; /* * We come here from an earlier attempt, restore our state to * match in case it doesn't. It's cheap enough that we don't @@ -6075,14 +6080,12 @@ static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { struct io_sr_msg *sr = &req->sr_msg; - if (unlikely(sqe->file_index)) - return -EINVAL; - if (unlikely(sqe->addr2 || sqe->file_index)) + if (unlikely(sqe->file_index || sqe->addr2)) return -EINVAL; sr->umsg = u64_to_user_ptr(READ_ONCE(sqe->addr)); sr->len = READ_ONCE(sqe->len); - sr->flags = READ_ONCE(sqe->addr2); + sr->flags = READ_ONCE(sqe->ioprio); if (sr->flags & ~IORING_RECVSEND_POLL_FIRST) return -EINVAL; sr->msg_flags = READ_ONCE(sqe->msg_flags) | MSG_NOSIGNAL; @@ -6313,14 +6316,12 @@ static int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { struct io_sr_msg *sr = &req->sr_msg; - if (unlikely(sqe->file_index)) - return -EINVAL; - if (unlikely(sqe->addr2 || sqe->file_index)) + if (unlikely(sqe->file_index || sqe->addr2)) return -EINVAL; sr->umsg = u64_to_user_ptr(READ_ONCE(sqe->addr)); sr->len = READ_ONCE(sqe->len); - sr->flags = READ_ONCE(sqe->addr2); + sr->flags = READ_ONCE(sqe->ioprio); if (sr->flags & ~IORING_RECVSEND_POLL_FIRST) return -EINVAL; sr->msg_flags = READ_ONCE(sqe->msg_flags) | MSG_NOSIGNAL; @@ -6954,7 +6955,8 @@ static void io_apoll_task_func(struct io_kiocb *req, bool *locked) io_req_complete_failed(req, ret); } -static void __io_poll_execute(struct io_kiocb *req, int mask, __poll_t events) +static void __io_poll_execute(struct io_kiocb *req, int mask, + __poll_t __maybe_unused events) { req->cqe.res = mask; /* @@ -6963,7 +6965,6 @@ static void __io_poll_execute(struct io_kiocb *req, int mask, __poll_t events) * CPU. We want to avoid pulling in req->apoll->events for that * case. */ - req->apoll_events = events; if (req->opcode == IORING_OP_POLL_ADD) req->io_task_work.func = io_poll_task_func; else @@ -7114,6 +7115,8 @@ static int __io_arm_poll_handler(struct io_kiocb *req, io_init_poll_iocb(poll, mask, io_poll_wake); poll->file = req->file; + req->apoll_events = poll->events; + ipt->pt._key = mask; ipt->req = req; ipt->error = 0; @@ -7144,8 +7147,11 @@ static int __io_arm_poll_handler(struct io_kiocb *req, if (mask) { /* can't multishot if failed, just queue the event we've got */ - if (unlikely(ipt->error || !ipt->nr_entries)) + if (unlikely(ipt->error || !ipt->nr_entries)) { poll->events |= EPOLLONESHOT; + req->apoll_events |= EPOLLONESHOT; + ipt->error = 0; + } __io_poll_execute(req, mask, poll->events); return 0; } @@ -7207,6 +7213,7 @@ static int io_arm_poll_handler(struct io_kiocb *req, unsigned issue_flags) mask |= EPOLLEXCLUSIVE; if (req->flags & REQ_F_POLLED) { apoll = req->apoll; + kfree(apoll->double_poll); } else if (!(issue_flags & IO_URING_F_UNLOCKED) && !list_empty(&ctx->apoll_cache)) { apoll = list_first_entry(&ctx->apoll_cache, struct async_poll, @@ -7392,7 +7399,7 @@ static int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe return -EINVAL; io_req_set_refcount(req); - req->apoll_events = poll->events = io_poll_parse_events(sqe, flags); + poll->events = io_poll_parse_events(sqe, flags); return 0; } @@ -7405,6 +7412,8 @@ static int io_poll_add(struct io_kiocb *req, unsigned int issue_flags) ipt.pt._qproc = io_poll_queue_proc; ret = __io_arm_poll_handler(req, &req->poll, &ipt, poll->events); + if (!ret && ipt.error) + req_set_fail(req); ret = ret ?: ipt.error; if (ret) __io_req_complete(req, issue_flags, ret, 0); diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index e6f4ccc12f49..353f047e783c 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -6490,6 +6490,7 @@ int smb2_write(struct ksmbd_work *work) goto out; } + ksmbd_debug(SMB, "flags %u\n", le32_to_cpu(req->Flags)); if (le32_to_cpu(req->Flags) & SMB2_WRITEFLAG_WRITE_THROUGH) writethrough = true; @@ -6505,10 +6506,6 @@ int smb2_write(struct ksmbd_work *work) data_buf = (char *)(((char *)&req->hdr.ProtocolId) + le16_to_cpu(req->DataOffset)); - ksmbd_debug(SMB, "flags %u\n", le32_to_cpu(req->Flags)); - if (le32_to_cpu(req->Flags) & SMB2_WRITEFLAG_WRITE_THROUGH) - writethrough = true; - ksmbd_debug(SMB, "filename %pd, offset %lld, len %zu\n", fp->filp->f_path.dentry, offset, length); err = ksmbd_vfs_write(work, fp, data_buf, length, &offset, @@ -7703,7 +7700,7 @@ int smb2_ioctl(struct ksmbd_work *work) { struct file_zero_data_information *zero_data; struct ksmbd_file *fp; - loff_t off, len; + loff_t off, len, bfz; if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) { ksmbd_debug(SMB, @@ -7720,19 +7717,26 @@ int smb2_ioctl(struct ksmbd_work *work) zero_data = (struct file_zero_data_information *)&req->Buffer[0]; - fp = ksmbd_lookup_fd_fast(work, id); - if (!fp) { - ret = -ENOENT; + off = le64_to_cpu(zero_data->FileOffset); + bfz = le64_to_cpu(zero_data->BeyondFinalZero); + if (off > bfz) { + ret = -EINVAL; goto out; } - off = le64_to_cpu(zero_data->FileOffset); - len = le64_to_cpu(zero_data->BeyondFinalZero) - off; + len = bfz - off; + if (len) { + fp = ksmbd_lookup_fd_fast(work, id); + if (!fp) { + ret = -ENOENT; + goto out; + } - ret = ksmbd_vfs_zero_data(work, fp, off, len); - ksmbd_fd_put(work, fp); - if (ret < 0) - goto out; + ret = ksmbd_vfs_zero_data(work, fp, off, len); + ksmbd_fd_put(work, fp); + if (ret < 0) + goto out; + } break; } case FSCTL_QUERY_ALLOCATED_RANGES: @@ -7806,14 +7810,24 @@ int smb2_ioctl(struct ksmbd_work *work) src_off = le64_to_cpu(dup_ext->SourceFileOffset); dst_off = le64_to_cpu(dup_ext->TargetFileOffset); length = le64_to_cpu(dup_ext->ByteCount); - cloned = vfs_clone_file_range(fp_in->filp, src_off, fp_out->filp, - dst_off, length, 0); + /* + * XXX: It is not clear if FSCTL_DUPLICATE_EXTENTS_TO_FILE + * should fall back to vfs_copy_file_range(). This could be + * beneficial when re-exporting nfs/smb mount, but note that + * this can result in partial copy that returns an error status. + * If/when FSCTL_DUPLICATE_EXTENTS_TO_FILE_EX is implemented, + * fall back to vfs_copy_file_range(), should be avoided when + * the flag DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC is set. + */ + cloned = vfs_clone_file_range(fp_in->filp, src_off, + fp_out->filp, dst_off, length, 0); if (cloned == -EXDEV || cloned == -EOPNOTSUPP) { ret = -EOPNOTSUPP; goto dup_ext_out; } else if (cloned != length) { cloned = vfs_copy_file_range(fp_in->filp, src_off, - fp_out->filp, dst_off, length, 0); + fp_out->filp, dst_off, + length, 0); if (cloned != length) { if (cloned < 0) ret = cloned; diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c index d035e060c2f0..35b55ee94fe5 100644 --- a/fs/ksmbd/transport_rdma.c +++ b/fs/ksmbd/transport_rdma.c @@ -5,16 +5,6 @@ * * Author(s): Long Li <longli@microsoft.com>, * Hyunchul Lee <hyc.lee@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. */ #define SUBMOD_NAME "smb_direct" diff --git a/fs/ksmbd/transport_tcp.c b/fs/ksmbd/transport_tcp.c index 8fef9de787d3..143bba4e4db8 100644 --- a/fs/ksmbd/transport_tcp.c +++ b/fs/ksmbd/transport_tcp.c @@ -230,7 +230,7 @@ static int ksmbd_kthread_fn(void *p) break; } ret = kernel_accept(iface->ksmbd_socket, &client_sk, - O_NONBLOCK); + SOCK_NONBLOCK); mutex_unlock(&iface->sock_release_lock); if (ret) { if (ret == -EAGAIN) diff --git a/fs/ksmbd/vfs.c b/fs/ksmbd/vfs.c index dcdd07c6efff..05efcdf7a4a7 100644 --- a/fs/ksmbd/vfs.c +++ b/fs/ksmbd/vfs.c @@ -1015,7 +1015,9 @@ int ksmbd_vfs_zero_data(struct ksmbd_work *work, struct ksmbd_file *fp, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, off, len); - return vfs_fallocate(fp->filp, FALLOC_FL_ZERO_RANGE, off, len); + return vfs_fallocate(fp->filp, + FALLOC_FL_ZERO_RANGE | FALLOC_FL_KEEP_SIZE, + off, len); } int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length, @@ -1046,7 +1048,7 @@ int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length, *out_count = 0; end = start + length; while (start < end && *out_count < in_count) { - extent_start = f->f_op->llseek(f, start, SEEK_DATA); + extent_start = vfs_llseek(f, start, SEEK_DATA); if (extent_start < 0) { if (extent_start != -ENXIO) ret = (int)extent_start; @@ -1056,7 +1058,7 @@ int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length, if (extent_start >= end) break; - extent_end = f->f_op->llseek(f, extent_start, SEEK_HOLE); + extent_end = vfs_llseek(f, extent_start, SEEK_HOLE); if (extent_end < 0) { if (extent_end != -ENXIO) ret = (int)extent_end; @@ -1777,6 +1779,10 @@ int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work, ret = vfs_copy_file_range(src_fp->filp, src_off, dst_fp->filp, dst_off, len, 0); + if (ret == -EOPNOTSUPP || ret == -EXDEV) + ret = generic_copy_file_range(src_fp->filp, src_off, + dst_fp->filp, dst_off, + len, 0); if (ret < 0) return ret; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index c0fdcf8c0032..bb0e84a46d61 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4012,22 +4012,29 @@ static int _nfs4_discover_trunking(struct nfs_server *server, } page = alloc_page(GFP_KERNEL); + if (!page) + return -ENOMEM; locations = kmalloc(sizeof(struct nfs4_fs_locations), GFP_KERNEL); - if (page == NULL || locations == NULL) - goto out; + if (!locations) + goto out_free; + locations->fattr = nfs_alloc_fattr(); + if (!locations->fattr) + goto out_free_2; status = nfs4_proc_get_locations(server, fhandle, locations, page, cred); if (status) - goto out; + goto out_free_3; for (i = 0; i < locations->nlocations; i++) test_fs_location_for_trunking(&locations->locations[i], clp, server); -out: - if (page) - __free_page(page); +out_free_3: + kfree(locations->fattr); +out_free_2: kfree(locations); +out_free: + __free_page(page); return status; } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 2540b35ec187..9bab3e9c702a 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -2753,5 +2753,6 @@ again: goto again; nfs_put_client(clp); + module_put_and_kthread_exit(0); return 0; } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 840e3af63a6f..b764213bcc55 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -577,6 +577,7 @@ out_err: ssize_t nfsd_copy_file_range(struct file *src, u64 src_pos, struct file *dst, u64 dst_pos, u64 count) { + ssize_t ret; /* * Limit copy to 4MB to prevent indefinitely blocking an nfsd @@ -587,7 +588,12 @@ ssize_t nfsd_copy_file_range(struct file *src, u64 src_pos, struct file *dst, * limit like this and pipeline multiple COPY requests. */ count = min_t(u64, count, 1 << 22); - return vfs_copy_file_range(src, src_pos, dst, dst_pos, count, 0); + ret = vfs_copy_file_range(src, src_pos, dst, dst_pos, count, 0); + + if (ret == -EOPNOTSUPP || ret == -EXDEV) + ret = generic_copy_file_range(src, src_pos, dst, dst_pos, + count, 0); + return ret; } __be32 nfsd4_vfs_fallocate(struct svc_rqst *rqstp, struct svc_fh *fhp, diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index c2255b440df9..b08ce0d821a7 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -1513,8 +1513,15 @@ static int fanotify_test_fid(struct dentry *dentry) return 0; } -static int fanotify_events_supported(struct path *path, __u64 mask) +static int fanotify_events_supported(struct fsnotify_group *group, + struct path *path, __u64 mask, + unsigned int flags) { + unsigned int mark_type = flags & FANOTIFY_MARK_TYPE_BITS; + /* Strict validation of events in non-dir inode mask with v5.17+ APIs */ + bool strict_dir_events = FAN_GROUP_FLAG(group, FAN_REPORT_TARGET_FID) || + (mask & FAN_RENAME); + /* * Some filesystems such as 'proc' acquire unusual locks when opening * files. For them fanotify permission events have high chances of @@ -1526,6 +1533,16 @@ static int fanotify_events_supported(struct path *path, __u64 mask) if (mask & FANOTIFY_PERM_EVENTS && path->mnt->mnt_sb->s_type->fs_flags & FS_DISALLOW_NOTIFY_PERM) return -EINVAL; + + /* + * We shouldn't have allowed setting dirent events and the directory + * flags FAN_ONDIR and FAN_EVENT_ON_CHILD in mask of non-dir inode, + * but because we always allowed it, error only when using new APIs. + */ + if (strict_dir_events && mark_type == FAN_MARK_INODE && + !d_is_dir(path->dentry) && (mask & FANOTIFY_DIRONLY_EVENT_BITS)) + return -ENOTDIR; + return 0; } @@ -1672,7 +1689,7 @@ static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask, goto fput_and_out; if (flags & FAN_MARK_ADD) { - ret = fanotify_events_supported(&path, mask); + ret = fanotify_events_supported(group, &path, mask, flags); if (ret) goto path_put_and_out; } @@ -1695,19 +1712,6 @@ static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask, else mnt = path.mnt; - /* - * FAN_RENAME is not allowed on non-dir (for now). - * We shouldn't have allowed setting any dirent events in mask of - * non-dir, but because we always allowed it, error only if group - * was initialized with the new flag FAN_REPORT_TARGET_FID. - */ - ret = -ENOTDIR; - if (inode && !S_ISDIR(inode->i_mode) && - ((mask & FAN_RENAME) || - ((mask & FANOTIFY_DIRENT_EVENTS) && - FAN_GROUP_FLAG(group, FAN_REPORT_TARGET_FID)))) - goto path_put_and_out; - /* Mask out FAN_EVENT_ON_CHILD flag for sb/mount/non-dir marks */ if (mnt || !S_ISDIR(inode->i_mode)) { mask &= ~FAN_EVENT_ON_CHILD; diff --git a/fs/read_write.c b/fs/read_write.c index b1b1cdfee9d3..e0777eefd846 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1397,28 +1397,6 @@ ssize_t generic_copy_file_range(struct file *file_in, loff_t pos_in, } EXPORT_SYMBOL(generic_copy_file_range); -static ssize_t do_copy_file_range(struct file *file_in, loff_t pos_in, - struct file *file_out, loff_t pos_out, - size_t len, unsigned int flags) -{ - /* - * Although we now allow filesystems to handle cross sb copy, passing - * a file of the wrong filesystem type to filesystem driver can result - * in an attempt to dereference the wrong type of ->private_data, so - * avoid doing that until we really have a good reason. NFS defines - * several different file_system_type structures, but they all end up - * using the same ->copy_file_range() function pointer. - */ - if (file_out->f_op->copy_file_range && - file_out->f_op->copy_file_range == file_in->f_op->copy_file_range) - return file_out->f_op->copy_file_range(file_in, pos_in, - file_out, pos_out, - len, flags); - - return generic_copy_file_range(file_in, pos_in, file_out, pos_out, len, - flags); -} - /* * Performs necessary checks before doing a file copy * @@ -1440,6 +1418,24 @@ static int generic_copy_file_checks(struct file *file_in, loff_t pos_in, if (ret) return ret; + /* + * We allow some filesystems to handle cross sb copy, but passing + * a file of the wrong filesystem type to filesystem driver can result + * in an attempt to dereference the wrong type of ->private_data, so + * avoid doing that until we really have a good reason. + * + * nfs and cifs define several different file_system_type structures + * and several different sets of file_operations, but they all end up + * using the same ->copy_file_range() function pointer. + */ + if (file_out->f_op->copy_file_range) { + if (file_in->f_op->copy_file_range != + file_out->f_op->copy_file_range) + return -EXDEV; + } else if (file_inode(file_in)->i_sb != file_inode(file_out)->i_sb) { + return -EXDEV; + } + /* Don't touch certain kinds of inodes */ if (IS_IMMUTABLE(inode_out)) return -EPERM; @@ -1505,26 +1501,41 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in, file_start_write(file_out); /* - * Try cloning first, this is supported by more file systems, and - * more efficient if both clone and copy are supported (e.g. NFS). + * Cloning is supported by more file systems, so we implement copy on + * same sb using clone, but for filesystems where both clone and copy + * are supported (e.g. nfs,cifs), we only call the copy method. */ + if (file_out->f_op->copy_file_range) { + ret = file_out->f_op->copy_file_range(file_in, pos_in, + file_out, pos_out, + len, flags); + goto done; + } + if (file_in->f_op->remap_file_range && file_inode(file_in)->i_sb == file_inode(file_out)->i_sb) { - loff_t cloned; - - cloned = file_in->f_op->remap_file_range(file_in, pos_in, + ret = file_in->f_op->remap_file_range(file_in, pos_in, file_out, pos_out, min_t(loff_t, MAX_RW_COUNT, len), REMAP_FILE_CAN_SHORTEN); - if (cloned > 0) { - ret = cloned; + if (ret > 0) goto done; - } } - ret = do_copy_file_range(file_in, pos_in, file_out, pos_out, len, - flags); - WARN_ON_ONCE(ret == -EOPNOTSUPP); + /* + * We can get here for same sb copy of filesystems that do not implement + * ->copy_file_range() in case filesystem does not support clone or in + * case filesystem supports clone but rejected the clone request (e.g. + * because it was not block aligned). + * + * In both cases, fall back to kernel copy so we are able to maintain a + * consistent story about which filesystems support copy_file_range() + * and which filesystems do not, that will allow userspace tools to + * make consistent desicions w.r.t using copy_file_range(). + */ + ret = generic_copy_file_range(file_in, pos_in, file_out, pos_out, len, + flags); + done: if (ret > 0) { fsnotify_access(file_in); diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index de7252715b12..81d26abf486f 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -553,7 +553,7 @@ struct dentry *tracefs_create_dir(const char *name, struct dentry *parent) * * Only one instances directory is allowed. * - * The instances directory is special as it allows for mkdir and rmdir to + * The instances directory is special as it allows for mkdir and rmdir * to be done by userspace. When a mkdir or rmdir is performed, the inode * locks are released and the methods passed in (@mkdir and @rmdir) are * called without locks and with the name of the directory being created diff --git a/include/keys/asymmetric-type.h b/include/keys/asymmetric-type.h index 6c5d4963e15b..69a13e1e5b2e 100644 --- a/include/keys/asymmetric-type.h +++ b/include/keys/asymmetric-type.h @@ -84,6 +84,9 @@ extern struct key *find_asymmetric_key(struct key *keyring, const struct asymmetric_key_id *id_2, bool partial); +int x509_load_certificate_list(const u8 cert_list[], const unsigned long list_size, + const struct key *keyring); + /* * The payload is at the discretion of the subtype. */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index bb6e3c31b3b7..2f7b43444c5f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -342,7 +342,6 @@ static inline int blkdev_zone_mgmt_ioctl(struct block_device *bdev, */ struct blk_independent_access_range { struct kobject kobj; - struct request_queue *queue; sector_t sector; sector_t nr_sectors; }; @@ -482,7 +481,6 @@ struct request_queue { #endif /* CONFIG_BLK_DEV_ZONED */ int node; - struct mutex debugfs_mutex; #ifdef CONFIG_BLK_DEV_IO_TRACE struct blk_trace __rcu *blk_trace; #endif @@ -526,11 +524,12 @@ struct request_queue { struct bio_set bio_split; struct dentry *debugfs_dir; - -#ifdef CONFIG_BLK_DEBUG_FS struct dentry *sched_debugfs_dir; struct dentry *rqos_debugfs_dir; -#endif + /* + * Serializes all debugfs metadata operations using the above dentries. + */ + struct mutex debugfs_mutex; bool mq_sysfs_init_done; diff --git a/include/linux/console.h b/include/linux/console.h index 143653090c48..8c1686e2c233 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -16,7 +16,6 @@ #include <linux/atomic.h> #include <linux/types.h> -#include <linux/mutex.h> struct vc_data; struct console_font_op; @@ -154,22 +153,6 @@ struct console { uint ospeed; u64 seq; unsigned long dropped; - struct task_struct *thread; - bool blocked; - - /* - * The per-console lock is used by printing kthreads to synchronize - * this console with callers of console_lock(). This is necessary in - * order to allow printing kthreads to run in parallel to each other, - * while each safely accessing the @blocked field and synchronizing - * against direct printing via console_lock/console_unlock. - * - * Note: For synchronizing against direct printing via - * console_trylock/console_unlock, see the static global - * variable @console_kthreads_active. - */ - struct mutex lock; - void *data; struct console *next; }; diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index dc10bee75a72..34aab4dd336c 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -148,6 +148,8 @@ struct devfreq_stats { * reevaluate operable frequencies. Devfreq users may use * devfreq.nb to the corresponding register notifier call chain. * @work: delayed work for load monitoring. + * @freq_table: current frequency table used by the devfreq driver. + * @max_state: count of entry present in the frequency table. * @previous_freq: previously configured frequency value. * @last_status: devfreq user device info, performance statistics * @data: Private data of the governor. The devfreq framework does not @@ -185,6 +187,9 @@ struct devfreq { struct notifier_block nb; struct delayed_work work; + unsigned long *freq_table; + unsigned int max_state; + unsigned long previous_freq; struct devfreq_dev_status last_status; diff --git a/include/linux/dim.h b/include/linux/dim.h index b698266d0035..6c5733981563 100644 --- a/include/linux/dim.h +++ b/include/linux/dim.h @@ -21,7 +21,7 @@ * We consider 10% difference as significant. */ #define IS_SIGNIFICANT_DIFF(val, ref) \ - (((100UL * abs((val) - (ref))) / (ref)) > 10) + ((ref) && (((100UL * abs((val) - (ref))) / (ref)) > 10)) /* * Calculate the gap between two values. diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h index edc28555814c..e517dbcf74ed 100644 --- a/include/linux/fanotify.h +++ b/include/linux/fanotify.h @@ -111,6 +111,10 @@ FANOTIFY_PERM_EVENTS | \ FAN_Q_OVERFLOW | FAN_ONDIR) +/* Events and flags relevant only for directories */ +#define FANOTIFY_DIRONLY_EVENT_BITS (FANOTIFY_DIRENT_EVENTS | \ + FAN_EVENT_ON_CHILD | FAN_ONDIR) + #define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \ FANOTIFY_EVENT_FLAGS) diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index b1e0f1f8ee2e..54c3c6506503 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -167,21 +167,24 @@ struct gpio_irq_chip { */ irq_flow_handler_t parent_handler; - /** - * @parent_handler_data: - * - * If @per_parent_data is false, @parent_handler_data is a single - * pointer used as the data associated with every parent interrupt. - * - * @parent_handler_data_array: - * - * If @per_parent_data is true, @parent_handler_data_array is - * an array of @num_parents pointers, and is used to associate - * different data for each parent. This cannot be NULL if - * @per_parent_data is true. - */ union { + /** + * @parent_handler_data: + * + * If @per_parent_data is false, @parent_handler_data is a + * single pointer used as the data associated with every + * parent interrupt. + */ void *parent_handler_data; + + /** + * @parent_handler_data_array: + * + * If @per_parent_data is true, @parent_handler_data_array is + * an array of @num_parents pointers, and is used to associate + * different data for each parent. This cannot be NULL if + * @per_parent_data is true. + */ void **parent_handler_data_array; }; diff --git a/include/linux/mm.h b/include/linux/mm.h index bc8f326be0ce..cf3d0d673f6b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1600,7 +1600,7 @@ static inline bool is_pinnable_page(struct page *page) if (mt == MIGRATE_CMA || mt == MIGRATE_ISOLATE) return false; #endif - return !(is_zone_movable_page(page) || is_zero_pfn(page_to_pfn(page))); + return !is_zone_movable_page(page) || is_zero_pfn(page_to_pfn(page)); } #else static inline bool is_pinnable_page(struct page *page) @@ -3232,6 +3232,7 @@ enum mf_flags { MF_MUST_KILL = 1 << 2, MF_SOFT_OFFLINE = 1 << 3, MF_UNPOISON = 1 << 4, + MF_SW_SIMULATED = 1 << 5, }; extern int memory_failure(unsigned long pfn, int flags); extern void memory_failure_queue(unsigned long pfn, int flags); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index f615a66c89e9..2563d30736e9 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1671,7 +1671,7 @@ enum netdev_priv_flags { IFF_FAILOVER_SLAVE = 1<<28, IFF_L3MDEV_RX_HANDLER = 1<<29, IFF_LIVE_RENAME_OK = 1<<30, - IFF_TX_SKB_NO_LINEAR = 1<<31, + IFF_TX_SKB_NO_LINEAR = BIT_ULL(31), IFF_CHANGE_PROTO_DOWN = BIT_ULL(32), }; diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 29ec3e3481ff..e3934003f239 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -233,8 +233,8 @@ enum { }; enum { - NVME_CAP_CRMS_CRIMS = 1ULL << 59, - NVME_CAP_CRMS_CRWMS = 1ULL << 60, + NVME_CAP_CRMS_CRWMS = 1ULL << 59, + NVME_CAP_CRMS_CRIMS = 1ULL << 60, }; struct nvme_id_power_state { diff --git a/include/linux/phy.h b/include/linux/phy.h index 508f1149665b..b09f7d36cff2 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -572,6 +572,10 @@ struct macsec_ops; * @mdix_ctrl: User setting of crossover * @pma_extable: Cached value of PMA/PMD Extended Abilities Register * @interrupts: Flag interrupts have been enabled + * @irq_suspended: Flag indicating PHY is suspended and therefore interrupt + * handling shall be postponed until PHY has resumed + * @irq_rerun: Flag indicating interrupts occurred while PHY was suspended, + * requiring a rerun of the interrupt handler after resume * @interface: enum phy_interface_t value * @skb: Netlink message for cable diagnostics * @nest: Netlink nest used for cable diagnostics @@ -626,6 +630,8 @@ struct phy_device { /* Interrupts are enabled */ unsigned interrupts:1; + unsigned irq_suspended:1; + unsigned irq_rerun:1; enum phy_state state; diff --git a/include/linux/printk.h b/include/linux/printk.h index f88ec15f83dc..cf7d666ab1f8 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -169,11 +169,7 @@ extern void __printk_safe_exit(void); #define printk_deferred_enter __printk_safe_enter #define printk_deferred_exit __printk_safe_exit -extern void printk_prefer_direct_enter(void); -extern void printk_prefer_direct_exit(void); - extern bool pr_flush(int timeout_ms, bool reset_on_progress); -extern void try_block_console_kthreads(int timeout_ms); /* * Please don't use printk_ratelimit(), because it shares ratelimiting state @@ -225,23 +221,11 @@ static inline void printk_deferred_exit(void) { } -static inline void printk_prefer_direct_enter(void) -{ -} - -static inline void printk_prefer_direct_exit(void) -{ -} - static inline bool pr_flush(int timeout_ms, bool reset_on_progress) { return true; } -static inline void try_block_console_kthreads(int timeout_ms) -{ -} - static inline int printk_ratelimit(void) { return 0; diff --git a/include/linux/ratelimit_types.h b/include/linux/ratelimit_types.h index c21c7f8103e2..002266693e50 100644 --- a/include/linux/ratelimit_types.h +++ b/include/linux/ratelimit_types.h @@ -23,12 +23,16 @@ struct ratelimit_state { unsigned long flags; }; -#define RATELIMIT_STATE_INIT(name, interval_init, burst_init) { \ - .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock), \ - .interval = interval_init, \ - .burst = burst_init, \ +#define RATELIMIT_STATE_INIT_FLAGS(name, interval_init, burst_init, flags_init) { \ + .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock), \ + .interval = interval_init, \ + .burst = burst_init, \ + .flags = flags_init, \ } +#define RATELIMIT_STATE_INIT(name, interval_init, burst_init) \ + RATELIMIT_STATE_INIT_FLAGS(name, interval_init, burst_init, 0) + #define RATELIMIT_STATE_INIT_DISABLED \ RATELIMIT_STATE_INIT(ratelimit_state, 0, DEFAULT_RATELIMIT_BURST) diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 1c58646ba381..704111f63993 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -13,8 +13,9 @@ #include <linux/notifier.h> #include <linux/types.h> -#define SCMI_MAX_STR_SIZE 64 -#define SCMI_MAX_NUM_RATES 16 +#define SCMI_MAX_STR_SIZE 64 +#define SCMI_SHORT_NAME_MAX_SIZE 16 +#define SCMI_MAX_NUM_RATES 16 /** * struct scmi_revision_info - version information structure @@ -36,8 +37,8 @@ struct scmi_revision_info { u8 num_protocols; u8 num_agents; u32 impl_ver; - char vendor_id[SCMI_MAX_STR_SIZE]; - char sub_vendor_id[SCMI_MAX_STR_SIZE]; + char vendor_id[SCMI_SHORT_NAME_MAX_SIZE]; + char sub_vendor_id[SCMI_SHORT_NAME_MAX_SIZE]; }; struct scmi_clock_info { diff --git a/include/linux/sysfb.h b/include/linux/sysfb.h index b0dcfa26d07b..8ba8b5be5567 100644 --- a/include/linux/sysfb.h +++ b/include/linux/sysfb.h @@ -55,6 +55,18 @@ struct efifb_dmi_info { int flags; }; +#ifdef CONFIG_SYSFB + +void sysfb_disable(void); + +#else /* CONFIG_SYSFB */ + +static inline void sysfb_disable(void) +{ +} + +#endif /* CONFIG_SYSFB */ + #ifdef CONFIG_EFI extern struct efifb_dmi_info efifb_dmi_list[]; @@ -72,8 +84,8 @@ static inline void sysfb_apply_efi_quirks(struct platform_device *pd) bool sysfb_parse_mode(const struct screen_info *si, struct simplefb_platform_data *mode); -int sysfb_create_simplefb(const struct screen_info *si, - const struct simplefb_platform_data *mode); +struct platform_device *sysfb_create_simplefb(const struct screen_info *si, + const struct simplefb_platform_data *mode); #else /* CONFIG_SYSFB_SIMPLE */ @@ -83,10 +95,10 @@ static inline bool sysfb_parse_mode(const struct screen_info *si, return false; } -static inline int sysfb_create_simplefb(const struct screen_info *si, - const struct simplefb_platform_data *mode) +static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si, + const struct simplefb_platform_data *mode) { - return -EINVAL; + return ERR_PTR(-EINVAL); } #endif /* CONFIG_SYSFB_SIMPLE */ diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 49c7c32815f1..b47c2e7ed0ee 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -257,6 +257,7 @@ void virtio_device_ready(struct virtio_device *dev) WARN_ON(status & VIRTIO_CONFIG_S_DRIVER_OK); +#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION /* * The virtio_synchronize_cbs() makes sure vring_interrupt() * will see the driver specific setup if it sees vq->broken @@ -264,6 +265,7 @@ void virtio_device_ready(struct virtio_device *dev) */ virtio_synchronize_cbs(dev); __virtio_unbreak_device(dev); +#endif /* * The transport should ensure the visibility of vq->broken * before setting DRIVER_OK. See the comments for the transport diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index c1b5dcd6597c..daead5fb389a 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -253,6 +253,11 @@ struct inet_sock { #define IP_CMSG_CHECKSUM BIT(7) #define IP_CMSG_RECVFRAGSIZE BIT(8) +static inline bool sk_is_inet(struct sock *sk) +{ + return sk->sk_family == AF_INET || sk->sk_family == AF_INET6; +} + /** * sk_to_full_sk - Access to a full socket * @sk: pointer to a socket diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 279ae0fff7ad..5c4e5a96a984 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -1338,24 +1338,28 @@ void nft_unregister_flowtable_type(struct nf_flowtable_type *type); /** * struct nft_traceinfo - nft tracing information and state * + * @trace: other struct members are initialised + * @nf_trace: copy of skb->nf_trace before rule evaluation + * @type: event type (enum nft_trace_types) + * @skbid: hash of skb to be used as trace id + * @packet_dumped: packet headers sent in a previous traceinfo message * @pkt: pktinfo currently processed * @basechain: base chain currently processed * @chain: chain currently processed * @rule: rule that was evaluated * @verdict: verdict given by rule - * @type: event type (enum nft_trace_types) - * @packet_dumped: packet headers sent in a previous traceinfo message - * @trace: other struct members are initialised */ struct nft_traceinfo { + bool trace; + bool nf_trace; + bool packet_dumped; + enum nft_trace_types type:8; + u32 skbid; const struct nft_pktinfo *pkt; const struct nft_base_chain *basechain; const struct nft_chain *chain; const struct nft_rule_dp *rule; const struct nft_verdict *verdict; - enum nft_trace_types type; - bool packet_dumped; - bool trace; }; void nft_trace_init(struct nft_traceinfo *info, const struct nft_pktinfo *pkt, diff --git a/include/trace/events/io_uring.h b/include/trace/events/io_uring.h index 66fcc5a1a5b1..aa2f951b07cd 100644 --- a/include/trace/events/io_uring.h +++ b/include/trace/events/io_uring.h @@ -158,6 +158,8 @@ TRACE_EVENT(io_uring_queue_async_work, __field( unsigned int, flags ) __field( struct io_wq_work *, work ) __field( int, rw ) + + __string( op_str, io_uring_get_opcode(opcode) ) ), TP_fast_assign( @@ -168,11 +170,13 @@ TRACE_EVENT(io_uring_queue_async_work, __entry->opcode = opcode; __entry->work = work; __entry->rw = rw; + + __assign_str(op_str, io_uring_get_opcode(opcode)); ), TP_printk("ring %p, request %p, user_data 0x%llx, opcode %s, flags 0x%x, %s queue, work %p", __entry->ctx, __entry->req, __entry->user_data, - io_uring_get_opcode(__entry->opcode), + __get_str(op_str), __entry->flags, __entry->rw ? "hashed" : "normal", __entry->work) ); @@ -198,6 +202,8 @@ TRACE_EVENT(io_uring_defer, __field( void *, req ) __field( unsigned long long, data ) __field( u8, opcode ) + + __string( op_str, io_uring_get_opcode(opcode) ) ), TP_fast_assign( @@ -205,11 +211,13 @@ TRACE_EVENT(io_uring_defer, __entry->req = req; __entry->data = user_data; __entry->opcode = opcode; + + __assign_str(op_str, io_uring_get_opcode(opcode)); ), TP_printk("ring %p, request %p, user_data 0x%llx, opcode %s", __entry->ctx, __entry->req, __entry->data, - io_uring_get_opcode(__entry->opcode)) + __get_str(op_str)) ); /** @@ -298,6 +306,8 @@ TRACE_EVENT(io_uring_fail_link, __field( unsigned long long, user_data ) __field( u8, opcode ) __field( void *, link ) + + __string( op_str, io_uring_get_opcode(opcode) ) ), TP_fast_assign( @@ -306,11 +316,13 @@ TRACE_EVENT(io_uring_fail_link, __entry->user_data = user_data; __entry->opcode = opcode; __entry->link = link; + + __assign_str(op_str, io_uring_get_opcode(opcode)); ), TP_printk("ring %p, request %p, user_data 0x%llx, opcode %s, link %p", __entry->ctx, __entry->req, __entry->user_data, - io_uring_get_opcode(__entry->opcode), __entry->link) + __get_str(op_str), __entry->link) ); /** @@ -390,6 +402,8 @@ TRACE_EVENT(io_uring_submit_sqe, __field( u32, flags ) __field( bool, force_nonblock ) __field( bool, sq_thread ) + + __string( op_str, io_uring_get_opcode(opcode) ) ), TP_fast_assign( @@ -400,11 +414,13 @@ TRACE_EVENT(io_uring_submit_sqe, __entry->flags = flags; __entry->force_nonblock = force_nonblock; __entry->sq_thread = sq_thread; + + __assign_str(op_str, io_uring_get_opcode(opcode)); ), TP_printk("ring %p, req %p, user_data 0x%llx, opcode %s, flags 0x%x, " "non block %d, sq_thread %d", __entry->ctx, __entry->req, - __entry->user_data, io_uring_get_opcode(__entry->opcode), + __entry->user_data, __get_str(op_str), __entry->flags, __entry->force_nonblock, __entry->sq_thread) ); @@ -435,6 +451,8 @@ TRACE_EVENT(io_uring_poll_arm, __field( u8, opcode ) __field( int, mask ) __field( int, events ) + + __string( op_str, io_uring_get_opcode(opcode) ) ), TP_fast_assign( @@ -444,11 +462,13 @@ TRACE_EVENT(io_uring_poll_arm, __entry->opcode = opcode; __entry->mask = mask; __entry->events = events; + + __assign_str(op_str, io_uring_get_opcode(opcode)); ), TP_printk("ring %p, req %p, user_data 0x%llx, opcode %s, mask 0x%x, events 0x%x", __entry->ctx, __entry->req, __entry->user_data, - io_uring_get_opcode(__entry->opcode), + __get_str(op_str), __entry->mask, __entry->events) ); @@ -474,6 +494,8 @@ TRACE_EVENT(io_uring_task_add, __field( unsigned long long, user_data ) __field( u8, opcode ) __field( int, mask ) + + __string( op_str, io_uring_get_opcode(opcode) ) ), TP_fast_assign( @@ -482,11 +504,13 @@ TRACE_EVENT(io_uring_task_add, __entry->user_data = user_data; __entry->opcode = opcode; __entry->mask = mask; + + __assign_str(op_str, io_uring_get_opcode(opcode)); ), TP_printk("ring %p, req %p, user_data 0x%llx, opcode %s, mask %x", __entry->ctx, __entry->req, __entry->user_data, - io_uring_get_opcode(__entry->opcode), + __get_str(op_str), __entry->mask) ); @@ -523,6 +547,8 @@ TRACE_EVENT(io_uring_req_failed, __field( u64, pad1 ) __field( u64, addr3 ) __field( int, error ) + + __string( op_str, io_uring_get_opcode(sqe->opcode) ) ), TP_fast_assign( @@ -542,6 +568,8 @@ TRACE_EVENT(io_uring_req_failed, __entry->pad1 = sqe->__pad2[0]; __entry->addr3 = sqe->addr3; __entry->error = error; + + __assign_str(op_str, io_uring_get_opcode(sqe->opcode)); ), TP_printk("ring %p, req %p, user_data 0x%llx, " @@ -550,7 +578,7 @@ TRACE_EVENT(io_uring_req_failed, "personality=%d, file_index=%d, pad=0x%llx, addr3=%llx, " "error=%d", __entry->ctx, __entry->req, __entry->user_data, - io_uring_get_opcode(__entry->opcode), + __get_str(op_str), __entry->flags, __entry->ioprio, (unsigned long long)__entry->off, (unsigned long long) __entry->addr, __entry->len, diff --git a/include/trace/events/libata.h b/include/trace/events/libata.h index d4e631aa976f..6025dd8ba4aa 100644 --- a/include/trace/events/libata.h +++ b/include/trace/events/libata.h @@ -288,6 +288,7 @@ DECLARE_EVENT_CLASS(ata_qc_complete_template, __entry->hob_feature = qc->result_tf.hob_feature; __entry->nsect = qc->result_tf.nsect; __entry->hob_nsect = qc->result_tf.hob_nsect; + __entry->flags = qc->flags; ), TP_printk("ata_port=%u ata_dev=%u tag=%d flags=%s status=%s " \ diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index f1972154a594..0980678d502d 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -1444,11 +1444,11 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier) #define AMD_FMT_MOD_PIPE_MASK 0x7 #define AMD_FMT_MOD_SET(field, value) \ - ((uint64_t)(value) << AMD_FMT_MOD_##field##_SHIFT) + ((__u64)(value) << AMD_FMT_MOD_##field##_SHIFT) #define AMD_FMT_MOD_GET(field, value) \ (((value) >> AMD_FMT_MOD_##field##_SHIFT) & AMD_FMT_MOD_##field##_MASK) #define AMD_FMT_MOD_CLEAR(field) \ - (~((uint64_t)AMD_FMT_MOD_##field##_MASK << AMD_FMT_MOD_##field##_SHIFT)) + (~((__u64)AMD_FMT_MOD_##field##_MASK << AMD_FMT_MOD_##field##_SHIFT)) #if defined(__cplusplus) } diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 53e7dae92e42..f10b59d6693e 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -244,7 +244,7 @@ enum io_uring_op { #define IORING_ASYNC_CANCEL_ANY (1U << 2) /* - * send/sendmsg and recv/recvmsg flags (sqe->addr2) + * send/sendmsg and recv/recvmsg flags (sqe->ioprio) * * IORING_RECVSEND_POLL_FIRST If set, instead of first attempting to send * or receive and arm poll if that yields an diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h index 921963589904..dfe19bf13f4c 100644 --- a/include/uapi/linux/mptcp.h +++ b/include/uapi/linux/mptcp.h @@ -2,16 +2,17 @@ #ifndef _UAPI_MPTCP_H #define _UAPI_MPTCP_H +#ifndef __KERNEL__ +#include <netinet/in.h> /* for sockaddr_in and sockaddr_in6 */ +#include <sys/socket.h> /* for struct sockaddr */ +#endif + #include <linux/const.h> #include <linux/types.h> #include <linux/in.h> /* for sockaddr_in */ #include <linux/in6.h> /* for sockaddr_in6 */ #include <linux/socket.h> /* for sockaddr_storage and sa_family */ -#ifndef __KERNEL__ -#include <sys/socket.h> /* for struct sockaddr */ -#endif - #define MPTCP_SUBFLOW_FLAG_MCAP_REM _BITUL(0) #define MPTCP_SUBFLOW_FLAG_MCAP_LOC _BITUL(1) #define MPTCP_SUBFLOW_FLAG_JOIN_REM _BITUL(2) diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 63d0ac7dfe2f..eb12d4f705cc 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -4815,6 +4815,7 @@ static int btf_check_type_tags(struct btf_verifier_env *env, n = btf_nr_types(btf); for (i = start_id; i < n; i++) { const struct btf_type *t; + int chain_limit = 32; u32 cur_id = i; t = btf_type_by_id(btf, i); @@ -4827,6 +4828,10 @@ static int btf_check_type_tags(struct btf_verifier_env *env, in_tags = btf_type_is_type_tag(t); while (btf_type_is_modifier(t)) { + if (!chain_limit--) { + btf_verifier_log(env, "Max chain length or cycle detected"); + return -ELOOP; + } if (btf_type_is_type_tag(t)) { if (!in_tags) { btf_verifier_log(env, "Type tags don't precede modifiers"); diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index e978f36e6be8..8d0b68a17042 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -357,7 +357,7 @@ void dma_direct_free(struct device *dev, size_t size, } else { if (IS_ENABLED(CONFIG_ARCH_HAS_DMA_CLEAR_UNCACHED)) arch_dma_clear_uncached(cpu_addr, size); - if (dma_set_encrypted(dev, cpu_addr, 1 << page_order)) + if (dma_set_encrypted(dev, cpu_addr, size)) return; } @@ -392,7 +392,6 @@ void dma_direct_free_pages(struct device *dev, size_t size, struct page *page, dma_addr_t dma_addr, enum dma_data_direction dir) { - unsigned int page_order = get_order(size); void *vaddr = page_address(page); /* If cpu_addr is not from an atomic pool, dma_free_from_pool() fails */ @@ -400,7 +399,7 @@ void dma_direct_free_pages(struct device *dev, size_t size, dma_free_from_pool(dev, vaddr, size)) return; - if (dma_set_encrypted(dev, vaddr, 1 << page_order)) + if (dma_set_encrypted(dev, vaddr, size)) return; __dma_direct_free_pages(dev, page, size); } diff --git a/kernel/hung_task.c b/kernel/hung_task.c index 80bfea5dd5c4..cff3ae8c818f 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -127,8 +127,6 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout) * complain: */ if (sysctl_hung_task_warnings) { - printk_prefer_direct_enter(); - if (sysctl_hung_task_warnings > 0) sysctl_hung_task_warnings--; pr_err("INFO: task %s:%d blocked for more than %ld seconds.\n", @@ -144,8 +142,6 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout) if (sysctl_hung_task_all_cpu_backtrace) hung_task_show_all_bt = true; - - printk_prefer_direct_exit(); } touch_nmi_watchdog(); @@ -208,17 +204,12 @@ static void check_hung_uninterruptible_tasks(unsigned long timeout) } unlock: rcu_read_unlock(); - if (hung_task_show_lock) { - printk_prefer_direct_enter(); + if (hung_task_show_lock) debug_show_all_locks(); - printk_prefer_direct_exit(); - } if (hung_task_show_all_bt) { hung_task_show_all_bt = false; - printk_prefer_direct_enter(); trigger_all_cpu_backtrace(); - printk_prefer_direct_exit(); } if (hung_task_call_panic) diff --git a/kernel/kthread.c b/kernel/kthread.c index 544fd4097406..3c677918d8f2 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -340,7 +340,7 @@ static int kthread(void *_create) self = to_kthread(current); - /* If user was SIGKILLed, I release the structure. */ + /* Release the structure when caller killed by a fatal signal. */ done = xchg(&create->done, NULL); if (!done) { kfree(create); @@ -398,7 +398,7 @@ static void create_kthread(struct kthread_create_info *create) /* We want our own signal handler (we take no signals by default). */ pid = kernel_thread(kthread, create, CLONE_FS | CLONE_FILES | SIGCHLD); if (pid < 0) { - /* If user was SIGKILLed, I release the structure. */ + /* Release the structure when caller killed by a fatal signal. */ struct completion *done = xchg(&create->done, NULL); if (!done) { @@ -440,9 +440,9 @@ struct task_struct *__kthread_create_on_node(int (*threadfn)(void *data), */ if (unlikely(wait_for_completion_killable(&done))) { /* - * If I was SIGKILLed before kthreadd (or new kernel thread) - * calls complete(), leave the cleanup of this structure to - * that thread. + * If I was killed by a fatal signal before kthreadd (or new + * kernel thread) calls complete(), leave the cleanup of this + * structure to that thread. */ if (xchg(&create->done, NULL)) return ERR_PTR(-EINTR); @@ -876,7 +876,7 @@ fail_task: * * Returns a pointer to the allocated worker on success, ERR_PTR(-ENOMEM) * when the needed structures could not get allocated, and ERR_PTR(-EINTR) - * when the worker was SIGKILLed. + * when the caller was killed by a fatal signal. */ struct kthread_worker * kthread_create_worker(unsigned int flags, const char namefmt[], ...) @@ -925,7 +925,7 @@ EXPORT_SYMBOL(kthread_create_worker); * Return: * The pointer to the allocated worker on success, ERR_PTR(-ENOMEM) * when the needed structures could not get allocated, and ERR_PTR(-EINTR) - * when the worker was SIGKILLed. + * when the caller was killed by a fatal signal. */ struct kthread_worker * kthread_create_worker_on_cpu(int cpu, unsigned int flags, diff --git a/kernel/panic.c b/kernel/panic.c index 4cf13c37bd08..a3308af28a21 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -297,7 +297,6 @@ void panic(const char *fmt, ...) * unfortunately means it may not be hardened to work in a * panic situation. */ - try_block_console_kthreads(10000); smp_send_stop(); } else { /* @@ -305,7 +304,6 @@ void panic(const char *fmt, ...) * kmsg_dump, we will need architecture dependent extra * works in addition to stopping other CPUs. */ - try_block_console_kthreads(10000); crash_smp_send_stop(); } @@ -605,8 +603,6 @@ void __warn(const char *file, int line, void *caller, unsigned taint, { disable_trace_on_warning(); - printk_prefer_direct_enter(); - if (file) pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pS\n", raw_smp_processor_id(), current->pid, file, line, @@ -636,8 +632,6 @@ void __warn(const char *file, int line, void *caller, unsigned taint, /* Just a warning, don't kill lockdep. */ add_taint(taint, LOCKDEP_STILL_OK); - - printk_prefer_direct_exit(); } #ifndef __WARN_FLAGS diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 20a66bf9f465..89c71fce225d 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -665,7 +665,7 @@ static void power_down(void) hibernation_platform_enter(); fallthrough; case HIBERNATION_SHUTDOWN: - if (pm_power_off) + if (kernel_can_power_off()) kernel_power_off(); break; } diff --git a/kernel/printk/internal.h b/kernel/printk/internal.h index e7d8578860ad..d947ca6c84f9 100644 --- a/kernel/printk/internal.h +++ b/kernel/printk/internal.h @@ -20,8 +20,6 @@ enum printk_info_flags { LOG_CONT = 8, /* text is a fragment of a continuation line */ }; -extern bool block_console_kthreads; - __printf(4, 0) int vprintk_store(int facility, int level, const struct dev_printk_info *dev_info, diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index b095fb5f5f61..b49c6ff6dca0 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -224,36 +224,6 @@ int devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write, static int nr_ext_console_drivers; /* - * Used to synchronize printing kthreads against direct printing via - * console_trylock/console_unlock. - * - * Values: - * -1 = console kthreads atomically blocked (via global trylock) - * 0 = no kthread printing, console not locked (via trylock) - * >0 = kthread(s) actively printing - * - * Note: For synchronizing against direct printing via - * console_lock/console_unlock, see the @lock variable in - * struct console. - */ -static atomic_t console_kthreads_active = ATOMIC_INIT(0); - -#define console_kthreads_atomic_tryblock() \ - (atomic_cmpxchg(&console_kthreads_active, 0, -1) == 0) -#define console_kthreads_atomic_unblock() \ - atomic_cmpxchg(&console_kthreads_active, -1, 0) -#define console_kthreads_atomically_blocked() \ - (atomic_read(&console_kthreads_active) == -1) - -#define console_kthread_printing_tryenter() \ - atomic_inc_unless_negative(&console_kthreads_active) -#define console_kthread_printing_exit() \ - atomic_dec(&console_kthreads_active) - -/* Block console kthreads to avoid processing new messages. */ -bool block_console_kthreads; - -/* * Helper macros to handle lockdep when locking/unlocking console_sem. We use * macros instead of functions so that _RET_IP_ contains useful information. */ @@ -301,49 +271,14 @@ static bool panic_in_progress(void) } /* - * Tracks whether kthread printers are all blocked. A value of true implies - * that the console is locked via console_lock() or the console is suspended. - * Writing to this variable requires holding @console_sem. + * This is used for debugging the mess that is the VT code by + * keeping track if we have the console semaphore held. It's + * definitely not the perfect debug tool (we don't know if _WE_ + * hold it and are racing, but it helps tracking those weird code + * paths in the console code where we end up in places I want + * locked without the console semaphore held). */ -static bool console_kthreads_blocked; - -/* - * Block all kthread printers from a schedulable context. - * - * Requires holding @console_sem. - */ -static void console_kthreads_block(void) -{ - struct console *con; - - for_each_console(con) { - mutex_lock(&con->lock); - con->blocked = true; - mutex_unlock(&con->lock); - } - - console_kthreads_blocked = true; -} - -/* - * Unblock all kthread printers from a schedulable context. - * - * Requires holding @console_sem. - */ -static void console_kthreads_unblock(void) -{ - struct console *con; - - for_each_console(con) { - mutex_lock(&con->lock); - con->blocked = false; - mutex_unlock(&con->lock); - } - - console_kthreads_blocked = false; -} - -static int console_suspended; +static int console_locked, console_suspended; /* * Array of consoles built from command line options (console=) @@ -426,75 +361,7 @@ static int console_msg_format = MSG_FORMAT_DEFAULT; /* syslog_lock protects syslog_* variables and write access to clear_seq. */ static DEFINE_MUTEX(syslog_lock); -/* - * A flag to signify if printk_activate_kthreads() has already started the - * kthread printers. If true, any later registered consoles must start their - * own kthread directly. The flag is write protected by the console_lock. - */ -static bool printk_kthreads_available; - #ifdef CONFIG_PRINTK -static atomic_t printk_prefer_direct = ATOMIC_INIT(0); - -/** - * printk_prefer_direct_enter - cause printk() calls to attempt direct - * printing to all enabled consoles - * - * Since it is not possible to call into the console printing code from any - * context, there is no guarantee that direct printing will occur. - * - * This globally effects all printk() callers. - * - * Context: Any context. - */ -void printk_prefer_direct_enter(void) -{ - atomic_inc(&printk_prefer_direct); -} - -/** - * printk_prefer_direct_exit - restore printk() behavior - * - * Context: Any context. - */ -void printk_prefer_direct_exit(void) -{ - WARN_ON(atomic_dec_if_positive(&printk_prefer_direct) < 0); -} - -/* - * Calling printk() always wakes kthread printers so that they can - * flush the new message to their respective consoles. Also, if direct - * printing is allowed, printk() tries to flush the messages directly. - * - * Direct printing is allowed in situations when the kthreads - * are not available or the system is in a problematic state. - * - * See the implementation about possible races. - */ -static inline bool allow_direct_printing(void) -{ - /* - * Checking kthread availability is a possible race because the - * kthread printers can become permanently disabled during runtime. - * However, doing that requires holding the console_lock, so any - * pending messages will be direct printed by console_unlock(). - */ - if (!printk_kthreads_available) - return true; - - /* - * Prefer direct printing when the system is in a problematic state. - * The context that sets this state will always see the updated value. - * The other contexts do not care. Anyway, direct printing is just a - * best effort. The direct output is only possible when console_lock - * is not already taken and no kthread printers are actively printing. - */ - return (system_state > SYSTEM_RUNNING || - oops_in_progress || - atomic_read(&printk_prefer_direct)); -} - DECLARE_WAIT_QUEUE_HEAD(log_wait); /* All 3 protected by @syslog_lock. */ /* the next printk record to read by syslog(READ) or /proc/kmsg */ @@ -2385,10 +2252,10 @@ asmlinkage int vprintk_emit(int facility, int level, printed_len = vprintk_store(facility, level, dev_info, fmt, args); /* If called from the scheduler, we can not call up(). */ - if (!in_sched && allow_direct_printing()) { + if (!in_sched) { /* * The caller may be holding system-critical or - * timing-sensitive locks. Disable preemption during direct + * timing-sensitive locks. Disable preemption during * printing of all remaining records to all consoles so that * this context can return as soon as possible. Hopefully * another printk() caller will take over the printing. @@ -2431,8 +2298,6 @@ EXPORT_SYMBOL(_printk); static bool __pr_flush(struct console *con, int timeout_ms, bool reset_on_progress); -static void printk_start_kthread(struct console *con); - #else /* CONFIG_PRINTK */ #define CONSOLE_LOG_MAX 0 @@ -2466,8 +2331,6 @@ static void call_console_driver(struct console *con, const char *text, size_t le } static bool suppress_message_printing(int level) { return false; } static bool __pr_flush(struct console *con, int timeout_ms, bool reset_on_progress) { return true; } -static void printk_start_kthread(struct console *con) { } -static bool allow_direct_printing(void) { return true; } #endif /* CONFIG_PRINTK */ @@ -2686,14 +2549,6 @@ static int console_cpu_notify(unsigned int cpu) /* If trylock fails, someone else is doing the printing */ if (console_trylock()) console_unlock(); - else { - /* - * If a new CPU comes online, the conditions for - * printer_should_wake() may have changed for some - * kthread printer with !CON_ANYTIME. - */ - wake_up_klogd(); - } } return 0; } @@ -2713,7 +2568,7 @@ void console_lock(void) down_console_sem(); if (console_suspended) return; - console_kthreads_block(); + console_locked = 1; console_may_schedule = 1; } EXPORT_SYMBOL(console_lock); @@ -2734,30 +2589,15 @@ int console_trylock(void) up_console_sem(); return 0; } - if (!console_kthreads_atomic_tryblock()) { - up_console_sem(); - return 0; - } + console_locked = 1; console_may_schedule = 0; return 1; } EXPORT_SYMBOL(console_trylock); -/* - * This is used to help to make sure that certain paths within the VT code are - * running with the console lock held. It is definitely not the perfect debug - * tool (it is not known if the VT code is the task holding the console lock), - * but it helps tracking those weird code paths in the console code such as - * when the console is suspended: where the console is not locked but no - * console printing may occur. - * - * Note: This returns true when the console is suspended but is not locked. - * This is intentional because the VT code must consider that situation - * the same as if the console was locked. - */ int is_console_locked(void) { - return (console_kthreads_blocked || atomic_read(&console_kthreads_active)); + return console_locked; } EXPORT_SYMBOL(is_console_locked); @@ -2780,9 +2620,18 @@ static bool abandon_console_lock_in_panic(void) return atomic_read(&panic_cpu) != raw_smp_processor_id(); } -static inline bool __console_is_usable(short flags) +/* + * Check if the given console is currently capable and allowed to print + * records. + * + * Requires the console_lock. + */ +static inline bool console_is_usable(struct console *con) { - if (!(flags & CON_ENABLED)) + if (!(con->flags & CON_ENABLED)) + return false; + + if (!con->write) return false; /* @@ -2791,43 +2640,15 @@ static inline bool __console_is_usable(short flags) * cope (CON_ANYTIME) don't call them until this CPU is officially up. */ if (!cpu_online(raw_smp_processor_id()) && - !(flags & CON_ANYTIME)) + !(con->flags & CON_ANYTIME)) return false; return true; } -/* - * Check if the given console is currently capable and allowed to print - * records. - * - * Requires holding the console_lock. - */ -static inline bool console_is_usable(struct console *con) -{ - if (!con->write) - return false; - - return __console_is_usable(con->flags); -} - static void __console_unlock(void) { - /* - * Depending on whether console_lock() or console_trylock() was used, - * appropriately allow the kthread printers to continue. - */ - if (console_kthreads_blocked) - console_kthreads_unblock(); - else - console_kthreads_atomic_unblock(); - - /* - * New records may have arrived while the console was locked. - * Wake the kthread printers to print them. - */ - wake_up_klogd(); - + console_locked = 0; up_console_sem(); } @@ -2845,19 +2666,17 @@ static void __console_unlock(void) * * @handover will be set to true if a printk waiter has taken over the * console_lock, in which case the caller is no longer holding the - * console_lock. Otherwise it is set to false. A NULL pointer may be provided - * to disable allowing the console_lock to be taken over by a printk waiter. + * console_lock. Otherwise it is set to false. * * Returns false if the given console has no next record to print, otherwise * true. * - * Requires the console_lock if @handover is non-NULL. - * Requires con->lock otherwise. + * Requires the console_lock. */ -static bool __console_emit_next_record(struct console *con, char *text, char *ext_text, - char *dropped_text, bool *handover) +static bool console_emit_next_record(struct console *con, char *text, char *ext_text, + char *dropped_text, bool *handover) { - static atomic_t panic_console_dropped = ATOMIC_INIT(0); + static int panic_console_dropped; struct printk_info info; struct printk_record r; unsigned long flags; @@ -2866,8 +2685,7 @@ static bool __console_emit_next_record(struct console *con, char *text, char *ex prb_rec_init_rd(&r, &info, text, CONSOLE_LOG_MAX); - if (handover) - *handover = false; + *handover = false; if (!prb_read_valid(prb, con->seq, &r)) return false; @@ -2875,8 +2693,7 @@ static bool __console_emit_next_record(struct console *con, char *text, char *ex if (con->seq != r.info->seq) { con->dropped += r.info->seq - con->seq; con->seq = r.info->seq; - if (panic_in_progress() && - atomic_fetch_inc_relaxed(&panic_console_dropped) > 10) { + if (panic_in_progress() && panic_console_dropped++ > 10) { suppress_panic_printk = 1; pr_warn_once("Too many dropped messages. Suppress messages on non-panic CPUs to prevent livelock.\n"); } @@ -2898,62 +2715,32 @@ static bool __console_emit_next_record(struct console *con, char *text, char *ex len = record_print_text(&r, console_msg_format & MSG_FORMAT_SYSLOG, printk_time); } - if (handover) { - /* - * While actively printing out messages, if another printk() - * were to occur on another CPU, it may wait for this one to - * finish. This task can not be preempted if there is a - * waiter waiting to take over. - * - * Interrupts are disabled because the hand over to a waiter - * must not be interrupted until the hand over is completed - * (@console_waiter is cleared). - */ - printk_safe_enter_irqsave(flags); - console_lock_spinning_enable(); - - /* don't trace irqsoff print latency */ - stop_critical_timings(); - } + /* + * While actively printing out messages, if another printk() + * were to occur on another CPU, it may wait for this one to + * finish. This task can not be preempted if there is a + * waiter waiting to take over. + * + * Interrupts are disabled because the hand over to a waiter + * must not be interrupted until the hand over is completed + * (@console_waiter is cleared). + */ + printk_safe_enter_irqsave(flags); + console_lock_spinning_enable(); + stop_critical_timings(); /* don't trace print latency */ call_console_driver(con, write_text, len, dropped_text); + start_critical_timings(); con->seq++; - if (handover) { - start_critical_timings(); - *handover = console_lock_spinning_disable_and_check(); - printk_safe_exit_irqrestore(flags); - } + *handover = console_lock_spinning_disable_and_check(); + printk_safe_exit_irqrestore(flags); skip: return true; } /* - * Print a record for a given console, but allow another printk() caller to - * take over the console_lock and continue printing. - * - * Requires the console_lock, but depending on @handover after the call, the - * caller may no longer have the console_lock. - * - * See __console_emit_next_record() for argument and return details. - */ -static bool console_emit_next_record_transferable(struct console *con, char *text, char *ext_text, - char *dropped_text, bool *handover) -{ - /* - * Handovers are only supported if threaded printers are atomically - * blocked. The context taking over the console_lock may be atomic. - */ - if (!console_kthreads_atomically_blocked()) { - *handover = false; - handover = NULL; - } - - return __console_emit_next_record(con, text, ext_text, dropped_text, handover); -} - -/* * Print out all remaining records to all consoles. * * @do_cond_resched is set by the caller. It can be true only in schedulable @@ -2971,8 +2758,8 @@ static bool console_emit_next_record_transferable(struct console *con, char *tex * were flushed to all usable consoles. A returned false informs the caller * that everything was not flushed (either there were no usable consoles or * another context has taken over printing or it is a panic situation and this - * is not the panic CPU or direct printing is not preferred). Regardless the - * reason, the caller should assume it is not useful to immediately try again. + * is not the panic CPU). Regardless the reason, the caller should assume it + * is not useful to immediately try again. * * Requires the console_lock. */ @@ -2989,10 +2776,6 @@ static bool console_flush_all(bool do_cond_resched, u64 *next_seq, bool *handove *handover = false; do { - /* Let the kthread printers do the work if they can. */ - if (!allow_direct_printing()) - return false; - any_progress = false; for_each_console(con) { @@ -3004,11 +2787,13 @@ static bool console_flush_all(bool do_cond_resched, u64 *next_seq, bool *handove if (con->flags & CON_EXTENDED) { /* Extended consoles do not print "dropped messages". */ - progress = console_emit_next_record_transferable(con, &text[0], - &ext_text[0], NULL, handover); + progress = console_emit_next_record(con, &text[0], + &ext_text[0], NULL, + handover); } else { - progress = console_emit_next_record_transferable(con, &text[0], - NULL, &dropped_text[0], handover); + progress = console_emit_next_record(con, &text[0], + NULL, &dropped_text[0], + handover); } if (*handover) return false; @@ -3123,13 +2908,10 @@ void console_unblank(void) if (oops_in_progress) { if (down_trylock_console_sem() != 0) return; - if (!console_kthreads_atomic_tryblock()) { - up_console_sem(); - return; - } } else console_lock(); + console_locked = 1; console_may_schedule = 0; for_each_console(c) if ((c->flags & CON_ENABLED) && c->unblank) @@ -3408,10 +3190,6 @@ void register_console(struct console *newcon) nr_ext_console_drivers++; newcon->dropped = 0; - newcon->thread = NULL; - newcon->blocked = true; - mutex_init(&newcon->lock); - if (newcon->flags & CON_PRINTBUFFER) { /* Get a consistent copy of @syslog_seq. */ mutex_lock(&syslog_lock); @@ -3421,10 +3199,6 @@ void register_console(struct console *newcon) /* Begin with next message. */ newcon->seq = prb_next_seq(prb); } - - if (printk_kthreads_available) - printk_start_kthread(newcon); - console_unlock(); console_sysfs_notify(); @@ -3451,7 +3225,6 @@ EXPORT_SYMBOL(register_console); int unregister_console(struct console *console) { - struct task_struct *thd; struct console *con; int res; @@ -3492,20 +3265,7 @@ int unregister_console(struct console *console) console_drivers->flags |= CON_CONSDEV; console->flags &= ~CON_ENABLED; - - /* - * console->thread can only be cleared under the console lock. But - * stopping the thread must be done without the console lock. The - * task that clears @thread is the task that stops the kthread. - */ - thd = console->thread; - console->thread = NULL; - console_unlock(); - - if (thd) - kthread_stop(thd); - console_sysfs_notify(); if (console->exit) @@ -3601,20 +3361,6 @@ static int __init printk_late_init(void) } late_initcall(printk_late_init); -static int __init printk_activate_kthreads(void) -{ - struct console *con; - - console_lock(); - printk_kthreads_available = true; - for_each_console(con) - printk_start_kthread(con); - console_unlock(); - - return 0; -} -early_initcall(printk_activate_kthreads); - #if defined CONFIG_PRINTK /* If @con is specified, only wait for that console. Otherwise wait for all. */ static bool __pr_flush(struct console *con, int timeout_ms, bool reset_on_progress) @@ -3689,209 +3435,11 @@ bool pr_flush(int timeout_ms, bool reset_on_progress) } EXPORT_SYMBOL(pr_flush); -static void __printk_fallback_preferred_direct(void) -{ - printk_prefer_direct_enter(); - pr_err("falling back to preferred direct printing\n"); - printk_kthreads_available = false; -} - -/* - * Enter preferred direct printing, but never exit. Mark console threads as - * unavailable. The system is then forever in preferred direct printing and - * any printing threads will exit. - * - * Must *not* be called under console_lock. Use - * __printk_fallback_preferred_direct() if already holding console_lock. - */ -static void printk_fallback_preferred_direct(void) -{ - console_lock(); - __printk_fallback_preferred_direct(); - console_unlock(); -} - -/* - * Print a record for a given console, not allowing another printk() caller - * to take over. This is appropriate for contexts that do not have the - * console_lock. - * - * See __console_emit_next_record() for argument and return details. - */ -static bool console_emit_next_record(struct console *con, char *text, char *ext_text, - char *dropped_text) -{ - return __console_emit_next_record(con, text, ext_text, dropped_text, NULL); -} - -static bool printer_should_wake(struct console *con, u64 seq) -{ - short flags; - - if (kthread_should_stop() || !printk_kthreads_available) - return true; - - if (con->blocked || - console_kthreads_atomically_blocked() || - block_console_kthreads || - system_state > SYSTEM_RUNNING || - oops_in_progress) { - return false; - } - - /* - * This is an unsafe read from con->flags, but a false positive is - * not a problem. Worst case it would allow the printer to wake up - * although it is disabled. But the printer will notice that when - * attempting to print and instead go back to sleep. - */ - flags = data_race(READ_ONCE(con->flags)); - - if (!__console_is_usable(flags)) - return false; - - return prb_read_valid(prb, seq, NULL); -} - -static int printk_kthread_func(void *data) -{ - struct console *con = data; - char *dropped_text = NULL; - char *ext_text = NULL; - u64 seq = 0; - char *text; - int error; - - text = kmalloc(CONSOLE_LOG_MAX, GFP_KERNEL); - if (!text) { - con_printk(KERN_ERR, con, "failed to allocate text buffer\n"); - printk_fallback_preferred_direct(); - goto out; - } - - if (con->flags & CON_EXTENDED) { - ext_text = kmalloc(CONSOLE_EXT_LOG_MAX, GFP_KERNEL); - if (!ext_text) { - con_printk(KERN_ERR, con, "failed to allocate ext_text buffer\n"); - printk_fallback_preferred_direct(); - goto out; - } - } else { - dropped_text = kmalloc(DROPPED_TEXT_MAX, GFP_KERNEL); - if (!dropped_text) { - con_printk(KERN_ERR, con, "failed to allocate dropped_text buffer\n"); - printk_fallback_preferred_direct(); - goto out; - } - } - - con_printk(KERN_INFO, con, "printing thread started\n"); - - for (;;) { - /* - * Guarantee this task is visible on the waitqueue before - * checking the wake condition. - * - * The full memory barrier within set_current_state() of - * prepare_to_wait_event() pairs with the full memory barrier - * within wq_has_sleeper(). - * - * This pairs with __wake_up_klogd:A. - */ - error = wait_event_interruptible(log_wait, - printer_should_wake(con, seq)); /* LMM(printk_kthread_func:A) */ - - if (kthread_should_stop() || !printk_kthreads_available) - break; - - if (error) - continue; - - error = mutex_lock_interruptible(&con->lock); - if (error) - continue; - - if (con->blocked || - !console_kthread_printing_tryenter()) { - /* Another context has locked the console_lock. */ - mutex_unlock(&con->lock); - continue; - } - - /* - * Although this context has not locked the console_lock, it - * is known that the console_lock is not locked and it is not - * possible for any other context to lock the console_lock. - * Therefore it is safe to read con->flags. - */ - - if (!__console_is_usable(con->flags)) { - console_kthread_printing_exit(); - mutex_unlock(&con->lock); - continue; - } - - /* - * Even though the printk kthread is always preemptible, it is - * still not allowed to call cond_resched() from within - * console drivers. The task may become non-preemptible in the - * console driver call chain. For example, vt_console_print() - * takes a spinlock and then can call into fbcon_redraw(), - * which can conditionally invoke cond_resched(). - */ - console_may_schedule = 0; - console_emit_next_record(con, text, ext_text, dropped_text); - - seq = con->seq; - - console_kthread_printing_exit(); - - mutex_unlock(&con->lock); - } - - con_printk(KERN_INFO, con, "printing thread stopped\n"); -out: - kfree(dropped_text); - kfree(ext_text); - kfree(text); - - console_lock(); - /* - * If this kthread is being stopped by another task, con->thread will - * already be NULL. That is fine. The important thing is that it is - * NULL after the kthread exits. - */ - con->thread = NULL; - console_unlock(); - - return 0; -} - -/* Must be called under console_lock. */ -static void printk_start_kthread(struct console *con) -{ - /* - * Do not start a kthread if there is no write() callback. The - * kthreads assume the write() callback exists. - */ - if (!con->write) - return; - - con->thread = kthread_run(printk_kthread_func, con, - "pr/%s%d", con->name, con->index); - if (IS_ERR(con->thread)) { - con->thread = NULL; - con_printk(KERN_ERR, con, "unable to start printing thread\n"); - __printk_fallback_preferred_direct(); - return; - } -} - /* * Delayed printk version, for scheduler-internal messages: */ -#define PRINTK_PENDING_WAKEUP 0x01 -#define PRINTK_PENDING_DIRECT_OUTPUT 0x02 +#define PRINTK_PENDING_WAKEUP 0x01 +#define PRINTK_PENDING_OUTPUT 0x02 static DEFINE_PER_CPU(int, printk_pending); @@ -3899,14 +3447,10 @@ static void wake_up_klogd_work_func(struct irq_work *irq_work) { int pending = this_cpu_xchg(printk_pending, 0); - if (pending & PRINTK_PENDING_DIRECT_OUTPUT) { - printk_prefer_direct_enter(); - + if (pending & PRINTK_PENDING_OUTPUT) { /* If trylock fails, someone else is doing the printing */ if (console_trylock()) console_unlock(); - - printk_prefer_direct_exit(); } if (pending & PRINTK_PENDING_WAKEUP) @@ -3931,11 +3475,10 @@ static void __wake_up_klogd(int val) * prepare_to_wait_event(), which is called after ___wait_event() adds * the waiter but before it has checked the wait condition. * - * This pairs with devkmsg_read:A, syslog_print:A, and - * printk_kthread_func:A. + * This pairs with devkmsg_read:A and syslog_print:A. */ if (wq_has_sleeper(&log_wait) || /* LMM(__wake_up_klogd:A) */ - (val & PRINTK_PENDING_DIRECT_OUTPUT)) { + (val & PRINTK_PENDING_OUTPUT)) { this_cpu_or(printk_pending, val); irq_work_queue(this_cpu_ptr(&wake_up_klogd_work)); } @@ -3953,17 +3496,7 @@ void defer_console_output(void) * New messages may have been added directly to the ringbuffer * using vprintk_store(), so wake any waiters as well. */ - int val = PRINTK_PENDING_WAKEUP; - - /* - * Make sure that some context will print the messages when direct - * printing is allowed. This happens in situations when the kthreads - * may not be as reliable or perhaps unusable. - */ - if (allow_direct_printing()) - val |= PRINTK_PENDING_DIRECT_OUTPUT; - - __wake_up_klogd(val); + __wake_up_klogd(PRINTK_PENDING_WAKEUP | PRINTK_PENDING_OUTPUT); } void printk_trigger_flush(void) diff --git a/kernel/printk/printk_safe.c b/kernel/printk/printk_safe.c index caac4de1ea59..ef0f9a2044da 100644 --- a/kernel/printk/printk_safe.c +++ b/kernel/printk/printk_safe.c @@ -8,9 +8,7 @@ #include <linux/smp.h> #include <linux/cpumask.h> #include <linux/printk.h> -#include <linux/console.h> #include <linux/kprobes.h> -#include <linux/delay.h> #include "internal.h" @@ -52,33 +50,3 @@ asmlinkage int vprintk(const char *fmt, va_list args) return vprintk_default(fmt, args); } EXPORT_SYMBOL(vprintk); - -/** - * try_block_console_kthreads() - Try to block console kthreads and - * make the global console_lock() avaialble - * - * @timeout_ms: The maximum time (in ms) to wait. - * - * Prevent console kthreads from starting processing new messages. Wait - * until the global console_lock() become available. - * - * Context: Can be called in any context. - */ -void try_block_console_kthreads(int timeout_ms) -{ - block_console_kthreads = true; - - /* Do not wait when the console lock could not be safely taken. */ - if (this_cpu_read(printk_context) || in_nmi()) - return; - - while (timeout_ms > 0) { - if (console_trylock()) { - console_unlock(); - return; - } - - udelay(1000); - timeout_ms -= 1; - } -} diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h index 4995c078cff9..a001e1e7a992 100644 --- a/kernel/rcu/tree_stall.h +++ b/kernel/rcu/tree_stall.h @@ -647,7 +647,6 @@ static void print_cpu_stall(unsigned long gps) * See Documentation/RCU/stallwarn.rst for info on how to debug * RCU CPU stall warnings. */ - printk_prefer_direct_enter(); trace_rcu_stall_warning(rcu_state.name, TPS("SelfDetected")); pr_err("INFO: %s self-detected stall on CPU\n", rcu_state.name); raw_spin_lock_irqsave_rcu_node(rdp->mynode, flags); @@ -685,7 +684,6 @@ static void print_cpu_stall(unsigned long gps) */ set_tsk_need_resched(current); set_preempt_need_resched(); - printk_prefer_direct_exit(); } static void check_cpu_stall(struct rcu_data *rdp) diff --git a/kernel/reboot.c b/kernel/reboot.c index 80564ffafabf..3c35445bf5ad 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -82,7 +82,6 @@ void kernel_restart_prepare(char *cmd) { blocking_notifier_call_chain(&reboot_notifier_list, SYS_RESTART, cmd); system_state = SYSTEM_RESTART; - try_block_console_kthreads(10000); usermodehelper_disable(); device_shutdown(); } @@ -271,7 +270,6 @@ static void kernel_shutdown_prepare(enum system_states state) blocking_notifier_call_chain(&reboot_notifier_list, (state == SYSTEM_HALT) ? SYS_HALT : SYS_POWER_OFF, NULL); system_state = state; - try_block_console_kthreads(10000); usermodehelper_disable(); device_shutdown(); } @@ -821,11 +819,9 @@ static int __orderly_reboot(void) ret = run_cmd(reboot_cmd); if (ret) { - printk_prefer_direct_enter(); pr_warn("Failed to start orderly reboot: forcing the issue\n"); emergency_sync(); kernel_restart(NULL); - printk_prefer_direct_exit(); } return ret; @@ -838,7 +834,6 @@ static int __orderly_poweroff(bool force) ret = run_cmd(poweroff_cmd); if (ret && force) { - printk_prefer_direct_enter(); pr_warn("Failed to start orderly shutdown: forcing the issue\n"); /* @@ -848,7 +843,6 @@ static int __orderly_poweroff(bool force) */ emergency_sync(); kernel_power_off(); - printk_prefer_direct_exit(); } return ret; @@ -906,8 +900,6 @@ EXPORT_SYMBOL_GPL(orderly_reboot); */ static void hw_failure_emergency_poweroff_func(struct work_struct *work) { - printk_prefer_direct_enter(); - /* * We have reached here after the emergency shutdown waiting period has * expired. This means orderly_poweroff has not been able to shut off @@ -924,8 +916,6 @@ static void hw_failure_emergency_poweroff_func(struct work_struct *work) */ pr_emerg("Hardware protection shutdown failed. Trying emergency restart\n"); emergency_restart(); - - printk_prefer_direct_exit(); } static DECLARE_DELAYED_WORK(hw_failure_emergency_poweroff_work, @@ -964,13 +954,11 @@ void hw_protection_shutdown(const char *reason, int ms_until_forced) { static atomic_t allow_proceed = ATOMIC_INIT(1); - printk_prefer_direct_enter(); - pr_emerg("HARDWARE PROTECTION shutdown (%s)\n", reason); /* Shutdown should be initiated only once. */ if (!atomic_dec_and_test(&allow_proceed)) - goto out; + return; /* * Queue a backup emergency shutdown in the event of @@ -978,8 +966,6 @@ void hw_protection_shutdown(const char *reason, int ms_until_forced) */ hw_failure_emergency_poweroff(ms_until_forced); orderly_poweroff(true); -out: - printk_prefer_direct_exit(); } EXPORT_SYMBOL_GPL(hw_protection_shutdown); diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 58a11f859ac7..30049580cd62 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -526,7 +526,6 @@ void __init tick_nohz_full_setup(cpumask_var_t cpumask) cpumask_copy(tick_nohz_full_mask, cpumask); tick_nohz_full_running = true; } -EXPORT_SYMBOL_GPL(tick_nohz_full_setup); static int tick_nohz_cpu_down(unsigned int cpu) { diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 10a32b0f2deb..fe04c6f96ca5 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -770,14 +770,11 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg) **/ void blk_trace_shutdown(struct request_queue *q) { - mutex_lock(&q->debugfs_mutex); if (rcu_dereference_protected(q->blk_trace, lockdep_is_held(&q->debugfs_mutex))) { __blk_trace_startstop(q, 0); __blk_trace_remove(q); } - - mutex_unlock(&q->debugfs_mutex); } #ifdef CONFIG_BLK_CGROUP diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 7a13e6ac6327..88589d74a892 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -2423,7 +2423,7 @@ kprobe_multi_link_handler(struct fprobe *fp, unsigned long entry_ip, kprobe_multi_link_prog_run(link, entry_ip, regs); } -static int symbols_cmp(const void *a, const void *b) +static int symbols_cmp_r(const void *a, const void *b, const void *priv) { const char **str_a = (const char **) a; const char **str_b = (const char **) b; @@ -2431,6 +2431,28 @@ static int symbols_cmp(const void *a, const void *b) return strcmp(*str_a, *str_b); } +struct multi_symbols_sort { + const char **funcs; + u64 *cookies; +}; + +static void symbols_swap_r(void *a, void *b, int size, const void *priv) +{ + const struct multi_symbols_sort *data = priv; + const char **name_a = a, **name_b = b; + + swap(*name_a, *name_b); + + /* If defined, swap also related cookies. */ + if (data->cookies) { + u64 *cookie_a, *cookie_b; + + cookie_a = data->cookies + (name_a - data->funcs); + cookie_b = data->cookies + (name_b - data->funcs); + swap(*cookie_a, *cookie_b); + } +} + int bpf_kprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *prog) { struct bpf_kprobe_multi_link *link = NULL; @@ -2468,38 +2490,46 @@ int bpf_kprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr if (!addrs) return -ENOMEM; + ucookies = u64_to_user_ptr(attr->link_create.kprobe_multi.cookies); + if (ucookies) { + cookies = kvmalloc_array(cnt, sizeof(*addrs), GFP_KERNEL); + if (!cookies) { + err = -ENOMEM; + goto error; + } + if (copy_from_user(cookies, ucookies, size)) { + err = -EFAULT; + goto error; + } + } + if (uaddrs) { if (copy_from_user(addrs, uaddrs, size)) { err = -EFAULT; goto error; } } else { + struct multi_symbols_sort data = { + .cookies = cookies, + }; struct user_syms us; err = copy_user_syms(&us, usyms, cnt); if (err) goto error; - sort(us.syms, cnt, sizeof(*us.syms), symbols_cmp, NULL); + if (cookies) + data.funcs = us.syms; + + sort_r(us.syms, cnt, sizeof(*us.syms), symbols_cmp_r, + symbols_swap_r, &data); + err = ftrace_lookup_symbols(us.syms, cnt, addrs); free_user_syms(&us); if (err) goto error; } - ucookies = u64_to_user_ptr(attr->link_create.kprobe_multi.cookies); - if (ucookies) { - cookies = kvmalloc_array(cnt, sizeof(*addrs), GFP_KERNEL); - if (!cookies) { - err = -ENOMEM; - goto error; - } - if (copy_from_user(cookies, ucookies, size)) { - err = -EFAULT; - goto error; - } - } - link = kzalloc(sizeof(*link), GFP_KERNEL); if (!link) { err = -ENOMEM; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index e750fe141a60..601ccf1b2f09 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -8029,15 +8029,23 @@ static int kallsyms_callback(void *data, const char *name, struct module *mod, unsigned long addr) { struct kallsyms_data *args = data; + const char **sym; + int idx; - if (!bsearch(&name, args->syms, args->cnt, sizeof(*args->syms), symbols_cmp)) + sym = bsearch(&name, args->syms, args->cnt, sizeof(*args->syms), symbols_cmp); + if (!sym) + return 0; + + idx = sym - args->syms; + if (args->addrs[idx]) return 0; addr = ftrace_location(addr); if (!addr) return 0; - args->addrs[args->found++] = addr; + args->addrs[idx] = addr; + args->found++; return args->found == args->cnt ? 1 : 0; } @@ -8062,6 +8070,7 @@ int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *a struct kallsyms_data args; int err; + memset(addrs, 0, sizeof(*addrs) * cnt); args.addrs = addrs; args.syms = sorted_syms; args.cnt = cnt; diff --git a/kernel/trace/rethook.c b/kernel/trace/rethook.c index b56833700d23..c69d82273ce7 100644 --- a/kernel/trace/rethook.c +++ b/kernel/trace/rethook.c @@ -154,6 +154,15 @@ struct rethook_node *rethook_try_get(struct rethook *rh) if (unlikely(!handler)) return NULL; + /* + * This expects the caller will set up a rethook on a function entry. + * When the function returns, the rethook will eventually be reclaimed + * or released in the rethook_recycle() with call_rcu(). + * This means the caller must be run in the RCU-availabe context. + */ + if (unlikely(!rcu_is_watching())) + return NULL; + fn = freelist_try_get(&rh->pool); if (!fn) return NULL; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 2c95992e2c71..a8cfac0611bc 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6424,9 +6424,7 @@ int tracing_set_tracer(struct trace_array *tr, const char *buf) synchronize_rcu(); free_snapshot(tr); } -#endif -#ifdef CONFIG_TRACER_MAX_TRACE if (t->use_max_tr && !had_max_tr) { ret = tracing_alloc_snapshot_instance(tr); if (ret < 0) diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 93507330462c..a245ea673715 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1718,8 +1718,17 @@ static int kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs) { struct kretprobe *rp = get_kretprobe(ri); - struct trace_kprobe *tk = container_of(rp, struct trace_kprobe, rp); + struct trace_kprobe *tk; + + /* + * There is a small chance that get_kretprobe(ri) returns NULL when + * the kretprobe is unregister on another CPU between kretprobe's + * trampoline_handler and this function. + */ + if (unlikely(!rp)) + return 0; + tk = container_of(rp, struct trace_kprobe, rp); raw_cpu_inc(*tk->nhit); if (trace_probe_test_flag(&tk->tp, TP_FLAG_TRACE)) diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 9711589273cd..c3dc4f859a6b 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -546,7 +546,6 @@ static int __trace_uprobe_create(int argc, const char **argv) bool is_return = false; int i, ret; - ret = 0; ref_ctr_offset = 0; switch (argv[0][0]) { diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 20a7a55e62b6..ecb0e8346e65 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -424,8 +424,6 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) /* Start period for the next softlockup warning. */ update_report_ts(); - printk_prefer_direct_enter(); - pr_emerg("BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n", smp_processor_id(), duration, current->comm, task_pid_nr(current)); @@ -444,8 +442,6 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK); if (softlockup_panic) panic("softlockup: hung tasks"); - - printk_prefer_direct_exit(); } return HRTIMER_RESTART; diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c index 701f35f0e2d4..247bf0b1582c 100644 --- a/kernel/watchdog_hld.c +++ b/kernel/watchdog_hld.c @@ -135,8 +135,6 @@ static void watchdog_overflow_callback(struct perf_event *event, if (__this_cpu_read(hard_watchdog_warn) == true) return; - printk_prefer_direct_enter(); - pr_emerg("Watchdog detected hard LOCKUP on cpu %d\n", this_cpu); print_modules(); @@ -157,8 +155,6 @@ static void watchdog_overflow_callback(struct perf_event *event, if (hardlockup_panic) nmi_panic(regs, "Hard LOCKUP"); - printk_prefer_direct_exit(); - __this_cpu_write(hard_watchdog_warn, true); return; } diff --git a/lib/sbitmap.c b/lib/sbitmap.c index ae4fd4de9ebe..29eb0484215a 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -528,7 +528,7 @@ unsigned long __sbitmap_queue_get_batch(struct sbitmap_queue *sbq, int nr_tags, sbitmap_deferred_clear(map); if (map->word == (1UL << (map_depth - 1)) - 1) - continue; + goto next; nr = find_first_zero_bit(&map->word, map_depth); if (nr + nr_tags <= map_depth) { @@ -539,6 +539,8 @@ unsigned long __sbitmap_queue_get_batch(struct sbitmap_queue *sbq, int nr_tags, get_mask = ((1UL << map_tags) - 1) << nr; do { val = READ_ONCE(map->word); + if ((val & ~get_mask) != val) + goto next; ret = atomic_long_cmpxchg(ptr, val, get_mask | val); } while (ret != val); get_mask = (get_mask & ~ret) >> nr; @@ -549,6 +551,7 @@ unsigned long __sbitmap_queue_get_batch(struct sbitmap_queue *sbq, int nr_tags, return get_mask; } } +next: /* Jump to next index. */ if (++index >= sb->map_nr) index = 0; diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c index 8efbfb24f3a1..4b07c29effe9 100644 --- a/mm/damon/reclaim.c +++ b/mm/damon/reclaim.c @@ -374,6 +374,8 @@ static void damon_reclaim_timer_fn(struct work_struct *work) } static DECLARE_DELAYED_WORK(damon_reclaim_timer, damon_reclaim_timer_fn); +static bool damon_reclaim_initialized; + static int enabled_store(const char *val, const struct kernel_param *kp) { @@ -382,6 +384,10 @@ static int enabled_store(const char *val, if (rc < 0) return rc; + /* system_wq might not initialized yet */ + if (!damon_reclaim_initialized) + return rc; + if (enabled) schedule_delayed_work(&damon_reclaim_timer, 0); @@ -449,6 +455,8 @@ static int __init damon_reclaim_init(void) damon_add_target(ctx, target); schedule_delayed_work(&damon_reclaim_timer, 0); + + damon_reclaim_initialized = true; return 0; } diff --git a/mm/filemap.c b/mm/filemap.c index ac3775c1ce4c..ffdfbc8b0e3c 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2385,6 +2385,8 @@ static void filemap_get_read_batch(struct address_space *mapping, continue; if (xas.xa_index > max || xa_is_value(folio)) break; + if (xa_is_sibling(folio)) + break; if (!folio_try_get_rcu(folio)) goto retry; @@ -2629,6 +2631,13 @@ err: return err; } +static inline bool pos_same_folio(loff_t pos1, loff_t pos2, struct folio *folio) +{ + unsigned int shift = folio_shift(folio); + + return (pos1 >> shift == pos2 >> shift); +} + /** * filemap_read - Read data from the page cache. * @iocb: The iocb to read. @@ -2700,11 +2709,11 @@ ssize_t filemap_read(struct kiocb *iocb, struct iov_iter *iter, writably_mapped = mapping_writably_mapped(mapping); /* - * When a sequential read accesses a page several times, only + * When a read accesses the same folio several times, only * mark it as accessed the first time. */ - if (iocb->ki_pos >> PAGE_SHIFT != - ra->prev_pos >> PAGE_SHIFT) + if (!pos_same_folio(iocb->ki_pos, ra->prev_pos - 1, + fbatch.folios[0])) folio_mark_accessed(fbatch.folios[0]); for (i = 0; i < folio_batch_count(&fbatch); i++) { diff --git a/mm/huge_memory.c b/mm/huge_memory.c index f7248002dad9..834f288b3769 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2377,6 +2377,7 @@ static void __split_huge_page_tail(struct page *head, int tail, page_tail); page_tail->mapping = head->mapping; page_tail->index = head->index + tail; + page_tail->private = 0; /* Page flags must be visible before we make the page non-compound. */ smp_wmb(); diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c index 5c0cddd81505..65e242b5a432 100644 --- a/mm/hwpoison-inject.c +++ b/mm/hwpoison-inject.c @@ -48,7 +48,7 @@ static int hwpoison_inject(void *data, u64 val) inject: pr_info("Injecting memory failure at pfn %#lx\n", pfn); - err = memory_failure(pfn, 0); + err = memory_failure(pfn, MF_SW_SIMULATED); return (err == -EOPNOTSUPP) ? 0 : err; } diff --git a/mm/kfence/core.c b/mm/kfence/core.c index 4e7cd4c8e687..4b5e5a3d3a63 100644 --- a/mm/kfence/core.c +++ b/mm/kfence/core.c @@ -360,6 +360,9 @@ static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t g unsigned long flags; struct slab *slab; void *addr; + const bool random_right_allocate = prandom_u32_max(2); + const bool random_fault = CONFIG_KFENCE_STRESS_TEST_FAULTS && + !prandom_u32_max(CONFIG_KFENCE_STRESS_TEST_FAULTS); /* Try to obtain a free object. */ raw_spin_lock_irqsave(&kfence_freelist_lock, flags); @@ -404,7 +407,7 @@ static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t g * is that the out-of-bounds accesses detected are deterministic for * such allocations. */ - if (prandom_u32_max(2)) { + if (random_right_allocate) { /* Allocate on the "right" side, re-calculate address. */ meta->addr += PAGE_SIZE - size; meta->addr = ALIGN_DOWN(meta->addr, cache->align); @@ -444,7 +447,7 @@ static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t g if (cache->ctor) cache->ctor(addr); - if (CONFIG_KFENCE_STRESS_TEST_FAULTS && !prandom_u32_max(CONFIG_KFENCE_STRESS_TEST_FAULTS)) + if (random_fault) kfence_protect(meta->addr); /* Random "faults" by protecting the object. */ atomic_long_inc(&counters[KFENCE_COUNTER_ALLOCATED]); diff --git a/mm/madvise.c b/mm/madvise.c index d7b4f2602949..0316bbc6441b 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -1112,7 +1112,7 @@ static int madvise_inject_error(int behavior, } else { pr_info("Injecting memory failure for pfn %#lx at process virtual address %#lx\n", pfn, start); - ret = memory_failure(pfn, MF_COUNT_INCREASED); + ret = memory_failure(pfn, MF_COUNT_INCREASED | MF_SW_SIMULATED); if (ret == -EOPNOTSUPP) ret = 0; } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index abec50f31fe6..618c366a2f07 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4859,7 +4859,7 @@ static int mem_cgroup_slab_show(struct seq_file *m, void *p) { /* * Deprecated. - * Please, take a look at tools/cgroup/slabinfo.py . + * Please, take a look at tools/cgroup/memcg_slabinfo.py . */ return 0; } diff --git a/mm/memory-failure.c b/mm/memory-failure.c index b85661cbdc4a..da39ec8afca8 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -69,6 +69,8 @@ int sysctl_memory_failure_recovery __read_mostly = 1; atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0); +static bool hw_memory_failure __read_mostly = false; + static bool __page_handle_poison(struct page *page) { int ret; @@ -1768,6 +1770,9 @@ int memory_failure(unsigned long pfn, int flags) mutex_lock(&mf_mutex); + if (!(flags & MF_SW_SIMULATED)) + hw_memory_failure = true; + p = pfn_to_online_page(pfn); if (!p) { res = arch_memory_failure(pfn, flags); @@ -2103,6 +2108,13 @@ int unpoison_memory(unsigned long pfn) mutex_lock(&mf_mutex); + if (hw_memory_failure) { + unpoison_pr_info("Unpoison: Disabled after HW memory failure %#lx\n", + pfn, &unpoison_rs); + ret = -EOPNOTSUPP; + goto unlock_mutex; + } + if (!PageHWPoison(p)) { unpoison_pr_info("Unpoison: Page was already unpoisoned %#lx\n", pfn, &unpoison_rs); diff --git a/mm/migrate.c b/mm/migrate.c index e51588e95f57..6c1ea61f39d8 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1106,6 +1106,7 @@ static int unmap_and_move(new_page_t get_new_page, if (!newpage) return -ENOMEM; + newpage->private = 0; rc = __unmap_and_move(page, newpage, force, mode); if (rc == MIGRATEPAGE_SUCCESS) set_page_owner_migrate_reason(newpage, reason); diff --git a/mm/page_isolation.c b/mm/page_isolation.c index d200d41ad0d3..9d73dc38e3d7 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -286,6 +286,8 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages) * @flags: isolation flags * @gfp_flags: GFP flags used for migrating pages * @isolate_before: isolate the pageblock before the boundary_pfn + * @skip_isolation: the flag to skip the pageblock isolation in second + * isolate_single_pageblock() * * Free and in-use pages can be as big as MAX_ORDER-1 and contain more than one * pageblock. When not all pageblocks within a page are isolated at the same diff --git a/mm/readahead.c b/mm/readahead.c index 57a015108254..fdcd28cbd92d 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -510,6 +510,7 @@ void page_cache_ra_order(struct readahead_control *ractl, new_order--; } + filemap_invalidate_lock_shared(mapping); while (index <= limit) { unsigned int order = new_order; @@ -536,6 +537,7 @@ void page_cache_ra_order(struct readahead_control *ractl, } read_pages(ractl); + filemap_invalidate_unlock_shared(mapping); /* * If there were already pages in the page cache, then we may have diff --git a/mm/slub.c b/mm/slub.c index e5535020e0fd..b1281b8654bd 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -726,25 +726,48 @@ static struct track *get_track(struct kmem_cache *s, void *object, return kasan_reset_tag(p + alloc); } -static void noinline set_track(struct kmem_cache *s, void *object, - enum track_item alloc, unsigned long addr) -{ - struct track *p = get_track(s, object, alloc); - #ifdef CONFIG_STACKDEPOT +static noinline depot_stack_handle_t set_track_prepare(void) +{ + depot_stack_handle_t handle; unsigned long entries[TRACK_ADDRS_COUNT]; unsigned int nr_entries; nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 3); - p->handle = stack_depot_save(entries, nr_entries, GFP_NOWAIT); + handle = stack_depot_save(entries, nr_entries, GFP_NOWAIT); + + return handle; +} +#else +static inline depot_stack_handle_t set_track_prepare(void) +{ + return 0; +} #endif +static void set_track_update(struct kmem_cache *s, void *object, + enum track_item alloc, unsigned long addr, + depot_stack_handle_t handle) +{ + struct track *p = get_track(s, object, alloc); + +#ifdef CONFIG_STACKDEPOT + p->handle = handle; +#endif p->addr = addr; p->cpu = smp_processor_id(); p->pid = current->pid; p->when = jiffies; } +static __always_inline void set_track(struct kmem_cache *s, void *object, + enum track_item alloc, unsigned long addr) +{ + depot_stack_handle_t handle = set_track_prepare(); + + set_track_update(s, object, alloc, addr, handle); +} + static void init_tracking(struct kmem_cache *s, void *object) { struct track *p; @@ -1373,6 +1396,10 @@ static noinline int free_debug_processing( int cnt = 0; unsigned long flags, flags2; int ret = 0; + depot_stack_handle_t handle = 0; + + if (s->flags & SLAB_STORE_USER) + handle = set_track_prepare(); spin_lock_irqsave(&n->list_lock, flags); slab_lock(slab, &flags2); @@ -1391,7 +1418,7 @@ next_object: } if (s->flags & SLAB_STORE_USER) - set_track(s, object, TRACK_FREE, addr); + set_track_update(s, object, TRACK_FREE, addr, handle); trace(s, slab, object, 0); /* Freepointer not overwritten by init_object(), SLAB_POISON moved it */ init_object(s, object, SLUB_RED_INACTIVE); @@ -2936,6 +2963,7 @@ redo: if (!freelist) { c->slab = NULL; + c->tid = next_tid(c->tid); local_unlock_irqrestore(&s->cpu_slab->lock, flags); stat(s, DEACTIVATE_BYPASS); goto new_slab; @@ -2968,6 +2996,7 @@ deactivate_slab: freelist = c->freelist; c->slab = NULL; c->freelist = NULL; + c->tid = next_tid(c->tid); local_unlock_irqrestore(&s->cpu_slab->lock, flags); deactivate_slab(s, slab, freelist); diff --git a/mm/swap.c b/mm/swap.c index f3922a96b2e9..034bb24879a3 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -881,7 +881,7 @@ void lru_cache_disable(void) * lru_disable_count = 0 will have exited the critical * section when synchronize_rcu() returns. */ - synchronize_rcu(); + synchronize_rcu_expedited(); #ifdef CONFIG_SMP __lru_add_drain_all(true); #else diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 4fd882686b04..ff4779036649 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -1012,9 +1012,24 @@ int br_nf_hook_thresh(unsigned int hook, struct net *net, return okfn(net, sk, skb); ops = nf_hook_entries_get_hook_ops(e); - for (i = 0; i < e->num_hook_entries && - ops[i]->priority <= NF_BR_PRI_BRNF; i++) - ; + for (i = 0; i < e->num_hook_entries; i++) { + /* These hooks have already been called */ + if (ops[i]->priority < NF_BR_PRI_BRNF) + continue; + + /* These hooks have not been called yet, run them. */ + if (ops[i]->priority > NF_BR_PRI_BRNF) + break; + + /* take a closer look at NF_BR_PRI_BRNF. */ + if (ops[i]->hook == br_nf_pre_routing) { + /* This hook diverted the skb to this function, + * hooks after this have not been run yet. + */ + i++; + break; + } + } nf_hook_state_init(&state, hook, NFPROTO_BRIDGE, indev, outdev, sk, net, okfn); diff --git a/net/core/dev.c b/net/core/dev.c index 08ce317fcec8..8e6f22961206 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -397,16 +397,18 @@ static void list_netdevice(struct net_device *dev) /* Device list removal * caller must respect a RCU grace period before freeing/reusing dev */ -static void unlist_netdevice(struct net_device *dev) +static void unlist_netdevice(struct net_device *dev, bool lock) { ASSERT_RTNL(); /* Unlink dev from the device chain */ - write_lock(&dev_base_lock); + if (lock) + write_lock(&dev_base_lock); list_del_rcu(&dev->dev_list); netdev_name_node_del(dev->name_node); hlist_del_rcu(&dev->index_hlist); - write_unlock(&dev_base_lock); + if (lock) + write_unlock(&dev_base_lock); dev_base_seq_inc(dev_net(dev)); } @@ -10043,11 +10045,11 @@ int register_netdevice(struct net_device *dev) goto err_uninit; ret = netdev_register_kobject(dev); - if (ret) { - dev->reg_state = NETREG_UNREGISTERED; + write_lock(&dev_base_lock); + dev->reg_state = ret ? NETREG_UNREGISTERED : NETREG_REGISTERED; + write_unlock(&dev_base_lock); + if (ret) goto err_uninit; - } - dev->reg_state = NETREG_REGISTERED; __netdev_update_features(dev); @@ -10329,7 +10331,9 @@ void netdev_run_todo(void) continue; } + write_lock(&dev_base_lock); dev->reg_state = NETREG_UNREGISTERED; + write_unlock(&dev_base_lock); linkwatch_forget_dev(dev); } @@ -10810,9 +10814,10 @@ void unregister_netdevice_many(struct list_head *head) list_for_each_entry(dev, head, unreg_list) { /* And unlink it from device chain. */ - unlist_netdevice(dev); - + write_lock(&dev_base_lock); + unlist_netdevice(dev, false); dev->reg_state = NETREG_UNREGISTERING; + write_unlock(&dev_base_lock); } flush_all_backlogs(); @@ -10959,7 +10964,7 @@ int __dev_change_net_namespace(struct net_device *dev, struct net *net, dev_close(dev); /* And unlink it from device chain */ - unlist_netdevice(dev); + unlist_netdevice(dev, true); synchronize_net(); diff --git a/net/core/filter.c b/net/core/filter.c index 5af58eb48587..5d16d66727fc 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -6516,10 +6516,21 @@ __bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, ifindex, proto, netns_id, flags); if (sk) { - sk = sk_to_full_sk(sk); - if (!sk_fullsock(sk)) { + struct sock *sk2 = sk_to_full_sk(sk); + + /* sk_to_full_sk() may return (sk)->rsk_listener, so make sure the original sk + * sock refcnt is decremented to prevent a request_sock leak. + */ + if (!sk_fullsock(sk2)) + sk2 = NULL; + if (sk2 != sk) { sock_gen_put(sk); - return NULL; + /* Ensure there is no need to bump sk2 refcnt */ + if (unlikely(sk2 && !sock_flag(sk2, SOCK_RCU_FREE))) { + WARN_ONCE(1, "Found non-RCU, unreferenced socket!"); + return NULL; + } + sk = sk2; } } @@ -6553,10 +6564,21 @@ bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, flags); if (sk) { - sk = sk_to_full_sk(sk); - if (!sk_fullsock(sk)) { + struct sock *sk2 = sk_to_full_sk(sk); + + /* sk_to_full_sk() may return (sk)->rsk_listener, so make sure the original sk + * sock refcnt is decremented to prevent a request_sock leak. + */ + if (!sk_fullsock(sk2)) + sk2 = NULL; + if (sk2 != sk) { sock_gen_put(sk); - return NULL; + /* Ensure there is no need to bump sk2 refcnt */ + if (unlikely(sk2 && !sock_flag(sk2, SOCK_RCU_FREE))) { + WARN_ONCE(1, "Found non-RCU, unreferenced socket!"); + return NULL; + } + sk = sk2; } } diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index e319e242dddf..a3642569fe53 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -33,6 +33,7 @@ static const char fmt_dec[] = "%d\n"; static const char fmt_ulong[] = "%lu\n"; static const char fmt_u64[] = "%llu\n"; +/* Caller holds RTNL or dev_base_lock */ static inline int dev_isalive(const struct net_device *dev) { return dev->reg_state <= NETREG_REGISTERED; diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 22b983ade0e7..b0fcd0200e84 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -699,6 +699,11 @@ struct sk_psock *sk_psock_init(struct sock *sk, int node) write_lock_bh(&sk->sk_callback_lock); + if (sk_is_inet(sk) && inet_csk_has_ulp(sk)) { + psock = ERR_PTR(-EINVAL); + goto out; + } + if (sk->sk_user_data) { psock = ERR_PTR(-EBUSY); goto out; diff --git a/net/ethtool/eeprom.c b/net/ethtool/eeprom.c index 7e6b37a54add..1c94bb8ea03f 100644 --- a/net/ethtool/eeprom.c +++ b/net/ethtool/eeprom.c @@ -36,7 +36,7 @@ static int fallback_set_params(struct eeprom_req_info *request, if (request->page) offset = request->page * ETH_MODULE_EEPROM_PAGE_LEN + offset; - if (modinfo->type == ETH_MODULE_SFF_8079 && + if (modinfo->type == ETH_MODULE_SFF_8472 && request->i2c_address == 0x51) offset += ETH_MODULE_EEPROM_PAGE_LEN * 2; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 3b9cd487075a..5c58e21f724e 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -524,7 +524,6 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev) int tunnel_hlen; int version; int nhoff; - int thoff; tun_info = skb_tunnel_info(skb); if (unlikely(!tun_info || !(tun_info->mode & IP_TUNNEL_INFO_TX) || @@ -558,10 +557,16 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev) (ntohs(ip_hdr(skb)->tot_len) > skb->len - nhoff)) truncate = true; - thoff = skb_transport_header(skb) - skb_mac_header(skb); - if (skb->protocol == htons(ETH_P_IPV6) && - (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff)) - truncate = true; + if (skb->protocol == htons(ETH_P_IPV6)) { + int thoff; + + if (skb_transport_header_was_set(skb)) + thoff = skb_transport_header(skb) - skb_mac_header(skb); + else + thoff = nhoff + sizeof(struct ipv6hdr); + if (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff) + truncate = true; + } if (version == 1) { erspan_build_header(skb, ntohl(tunnel_id_to_key32(key->tun_id)), diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 6b2dc7b2b612..cc1caab4a654 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -410,7 +410,7 @@ int skb_tunnel_check_pmtu(struct sk_buff *skb, struct dst_entry *encap_dst, u32 mtu = dst_mtu(encap_dst) - headroom; if ((skb_is_gso(skb) && skb_gso_validate_network_len(skb, mtu)) || - (!skb_is_gso(skb) && (skb->len - skb_mac_header_len(skb)) <= mtu)) + (!skb_is_gso(skb) && (skb->len - skb_network_offset(skb)) <= mtu)) return 0; skb_dst_update_pmtu_no_confirm(skb, mtu); diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 1a43ca73f94d..3c6101def7d6 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -319,12 +319,16 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n", sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port)); + if (addr->sin_addr.s_addr == htonl(INADDR_ANY)) + return 0; + tb_id = l3mdev_fib_table_by_index(net, sk->sk_bound_dev_if) ? : tb_id; chk_addr_ret = inet_addr_type_table(net, addr->sin_addr.s_addr, tb_id); - if (!inet_addr_valid_or_nonlocal(net, inet_sk(sk), - addr->sin_addr.s_addr, - chk_addr_ret)) + if (chk_addr_ret == RTN_MULTICAST || + chk_addr_ret == RTN_BROADCAST || + (chk_addr_ret != RTN_LOCAL && + !inet_can_nonlocal_bind(net, isk))) return -EADDRNOTAVAIL; #if IS_ENABLED(CONFIG_IPV6) diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index be3947e70fec..0d3f68bb51c0 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -611,9 +611,6 @@ int tcp_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore) return 0; } - if (inet_csk_has_ulp(sk)) - return -EINVAL; - if (sk->sk_family == AF_INET6) { if (tcp_bpf_assert_proto_ops(psock->sk_proto)) return -EINVAL; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index fe8f23b95d32..da5a3c44c4fb 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1964,7 +1964,10 @@ process: struct sock *nsk; sk = req->rsk_listener; - drop_reason = tcp_inbound_md5_hash(sk, skb, + if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) + drop_reason = SKB_DROP_REASON_XFRM_POLICY; + else + drop_reason = tcp_inbound_md5_hash(sk, skb, &iph->saddr, &iph->daddr, AF_INET, dif, sdif); if (unlikely(drop_reason)) { @@ -2016,6 +2019,7 @@ process: } goto discard_and_relse; } + nf_reset_ct(skb); if (nsk == sk) { reqsk_put(req); tcp_v4_restore_cb(skb); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 1b1932502e9e..49cc6587dd77 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1109,10 +1109,6 @@ ipv6_add_addr(struct inet6_dev *idev, struct ifa6_config *cfg, goto out; } - if (net->ipv6.devconf_all->disable_policy || - idev->cnf.disable_policy) - f6i->dst_nopolicy = true; - neigh_parms_data_state_setall(idev->nd_parms); ifa->addr = *cfg->pfx; @@ -5172,9 +5168,9 @@ next: fillargs->event = RTM_GETMULTICAST; /* multicast address */ - for (ifmca = rcu_dereference(idev->mc_list); + for (ifmca = rtnl_dereference(idev->mc_list); ifmca; - ifmca = rcu_dereference(ifmca->next), ip_idx++) { + ifmca = rtnl_dereference(ifmca->next), ip_idx++) { if (ip_idx < s_ip_idx) continue; err = inet6_fill_ifmcaddr(skb, ifmca, fillargs); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 4e37f7c29900..a9051df0625d 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -939,7 +939,6 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, __be16 proto; __u32 mtu; int nhoff; - int thoff; if (!pskb_inet_may_pull(skb)) goto tx_err; @@ -960,10 +959,16 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, (ntohs(ip_hdr(skb)->tot_len) > skb->len - nhoff)) truncate = true; - thoff = skb_transport_header(skb) - skb_mac_header(skb); - if (skb->protocol == htons(ETH_P_IPV6) && - (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff)) - truncate = true; + if (skb->protocol == htons(ETH_P_IPV6)) { + int thoff; + + if (skb_transport_header_was_set(skb)) + thoff = skb_transport_header(skb) - skb_mac_header(skb); + else + thoff = nhoff + sizeof(struct ipv6hdr); + if (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff) + truncate = true; + } if (skb_cow_head(skb, dev->needed_headroom ?: t->hlen)) goto tx_err; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index d25dc83bac62..828355710c57 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -4569,8 +4569,15 @@ struct fib6_info *addrconf_f6i_alloc(struct net *net, } f6i = ip6_route_info_create(&cfg, gfp_flags, NULL); - if (!IS_ERR(f6i)) + if (!IS_ERR(f6i)) { f6i->dst_nocount = true; + + if (!anycast && + (net->ipv6.devconf_all->disable_policy || + idev->cnf.disable_policy)) + f6i->dst_nopolicy = true; + } + return f6i; } diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c index 6de01185cc68..d43c50a7310d 100644 --- a/net/ipv6/seg6_hmac.c +++ b/net/ipv6/seg6_hmac.c @@ -406,7 +406,6 @@ int __net_init seg6_hmac_net_init(struct net *net) return rhashtable_init(&sdata->hmac_infos, &rht_params); } -EXPORT_SYMBOL(seg6_hmac_net_init); void seg6_hmac_exit(void) { diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index c0b138c20992..6bcd5e419a08 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -323,8 +323,6 @@ static int ipip6_tunnel_get_prl(struct net_device *dev, struct ip_tunnel_prl __u kcalloc(cmax, sizeof(*kp), GFP_KERNEL_ACCOUNT | __GFP_NOWARN) : NULL; - rcu_read_lock(); - ca = min(t->prl_count, cmax); if (!kp) { @@ -341,7 +339,7 @@ static int ipip6_tunnel_get_prl(struct net_device *dev, struct ip_tunnel_prl __u } } - c = 0; + rcu_read_lock(); for_each_prl_rcu(t->prl) { if (c >= cmax) break; @@ -353,7 +351,7 @@ static int ipip6_tunnel_get_prl(struct net_device *dev, struct ip_tunnel_prl __u if (kprl.addr != htonl(INADDR_ANY)) break; } -out: + rcu_read_unlock(); len = sizeof(*kp) * c; @@ -362,7 +360,7 @@ out: ret = -EFAULT; kfree(kp); - +out: return ret; } diff --git a/net/mptcp/options.c b/net/mptcp/options.c index be3b918a6d15..aead331866a0 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -765,6 +765,7 @@ static noinline bool mptcp_established_options_rst(struct sock *sk, struct sk_bu opts->suboptions |= OPTION_MPTCP_RST; opts->reset_transient = subflow->reset_transient; opts->reset_reason = subflow->reset_reason; + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPRSTTX); return true; } @@ -788,6 +789,7 @@ static bool mptcp_established_options_fastclose(struct sock *sk, opts->rcvr_key = msk->remote_key; pr_debug("FASTCLOSE key=%llu", opts->rcvr_key); + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPFASTCLOSETX); return true; } @@ -809,6 +811,7 @@ static bool mptcp_established_options_mp_fail(struct sock *sk, opts->fail_seq = subflow->map_seq; pr_debug("MP_FAIL fail_seq=%llu", opts->fail_seq); + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPFAILTX); return true; } @@ -833,13 +836,11 @@ bool mptcp_established_options(struct sock *sk, struct sk_buff *skb, mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) { *size += opt_size; remaining -= opt_size; - MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPFASTCLOSETX); } /* MP_RST can be used with MP_FASTCLOSE and MP_FAIL if there is room */ if (mptcp_established_options_rst(sk, skb, &opt_size, remaining, opts)) { *size += opt_size; remaining -= opt_size; - MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPRSTTX); } return true; } @@ -966,7 +967,7 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk, goto reset; subflow->mp_capable = 0; pr_fallback(msk); - __mptcp_do_fallback(msk); + mptcp_do_fallback(ssk); return false; } diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 59a85220edc9..45e2a48397b9 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -299,23 +299,21 @@ void mptcp_pm_mp_fail_received(struct sock *sk, u64 fail_seq) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); struct mptcp_sock *msk = mptcp_sk(subflow->conn); - struct sock *s = (struct sock *)msk; pr_debug("fail_seq=%llu", fail_seq); if (!READ_ONCE(msk->allow_infinite_fallback)) return; - if (!READ_ONCE(subflow->mp_fail_response_expect)) { + if (!subflow->fail_tout) { pr_debug("send MP_FAIL response and infinite map"); subflow->send_mp_fail = 1; - MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPFAILTX); subflow->send_infinite_map = 1; - } else if (!sock_flag(sk, SOCK_DEAD)) { + tcp_send_ack(sk); + } else { pr_debug("MP_FAIL response received"); - - sk_stop_timer(s, &s->sk_timer); + WRITE_ONCE(subflow->fail_tout, 0); } } diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 17e13396024a..e475212f2618 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -500,7 +500,7 @@ static void mptcp_set_timeout(struct sock *sk) __mptcp_set_timeout(sk, tout); } -static bool tcp_can_send_ack(const struct sock *ssk) +static inline bool tcp_can_send_ack(const struct sock *ssk) { return !((1 << inet_sk_state_load(ssk)) & (TCPF_SYN_SENT | TCPF_SYN_RECV | TCPF_TIME_WAIT | TCPF_CLOSE | TCPF_LISTEN)); @@ -1245,7 +1245,7 @@ static void mptcp_update_infinite_map(struct mptcp_sock *msk, MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_INFINITEMAPTX); mptcp_subflow_ctx(ssk)->send_infinite_map = 0; pr_fallback(msk); - __mptcp_do_fallback(msk); + mptcp_do_fallback(ssk); } static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, @@ -2175,21 +2175,6 @@ static void mptcp_retransmit_timer(struct timer_list *t) sock_put(sk); } -static struct mptcp_subflow_context * -mp_fail_response_expect_subflow(struct mptcp_sock *msk) -{ - struct mptcp_subflow_context *subflow, *ret = NULL; - - mptcp_for_each_subflow(msk, subflow) { - if (READ_ONCE(subflow->mp_fail_response_expect)) { - ret = subflow; - break; - } - } - - return ret; -} - static void mptcp_timeout_timer(struct timer_list *t) { struct sock *sk = from_timer(sk, t, sk_timer); @@ -2346,6 +2331,11 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, kfree_rcu(subflow, rcu); } else { /* otherwise tcp will dispose of the ssk and subflow ctx */ + if (ssk->sk_state == TCP_LISTEN) { + tcp_set_state(ssk, TCP_CLOSE); + mptcp_subflow_queue_clean(ssk); + inet_csk_listen_stop(ssk); + } __tcp_close(ssk, 0); /* close acquired an extra ref */ @@ -2518,27 +2508,50 @@ reset_timer: mptcp_reset_timer(sk); } +/* schedule the timeout timer for the relevant event: either close timeout + * or mp_fail timeout. The close timeout takes precedence on the mp_fail one + */ +void mptcp_reset_timeout(struct mptcp_sock *msk, unsigned long fail_tout) +{ + struct sock *sk = (struct sock *)msk; + unsigned long timeout, close_timeout; + + if (!fail_tout && !sock_flag(sk, SOCK_DEAD)) + return; + + close_timeout = inet_csk(sk)->icsk_mtup.probe_timestamp - tcp_jiffies32 + jiffies + TCP_TIMEWAIT_LEN; + + /* the close timeout takes precedence on the fail one, and here at least one of + * them is active + */ + timeout = sock_flag(sk, SOCK_DEAD) ? close_timeout : fail_tout; + + sk_reset_timer(sk, &sk->sk_timer, timeout); +} + static void mptcp_mp_fail_no_response(struct mptcp_sock *msk) { - struct mptcp_subflow_context *subflow; - struct sock *ssk; + struct sock *ssk = msk->first; bool slow; - subflow = mp_fail_response_expect_subflow(msk); - if (subflow) { - pr_debug("MP_FAIL doesn't respond, reset the subflow"); + if (!ssk) + return; - ssk = mptcp_subflow_tcp_sock(subflow); - slow = lock_sock_fast(ssk); - mptcp_subflow_reset(ssk); - unlock_sock_fast(ssk, slow); - } + pr_debug("MP_FAIL doesn't respond, reset the subflow"); + + slow = lock_sock_fast(ssk); + mptcp_subflow_reset(ssk); + WRITE_ONCE(mptcp_subflow_ctx(ssk)->fail_tout, 0); + unlock_sock_fast(ssk, slow); + + mptcp_reset_timeout(msk, 0); } static void mptcp_worker(struct work_struct *work) { struct mptcp_sock *msk = container_of(work, struct mptcp_sock, work); struct sock *sk = &msk->sk.icsk_inet.sk; + unsigned long fail_tout; int state; lock_sock(sk); @@ -2575,7 +2588,9 @@ static void mptcp_worker(struct work_struct *work) if (test_and_clear_bit(MPTCP_WORK_RTX, &msk->flags)) __mptcp_retrans(sk); - mptcp_mp_fail_no_response(msk); + fail_tout = msk->first ? READ_ONCE(mptcp_subflow_ctx(msk->first)->fail_tout) : 0; + if (fail_tout && time_after(jiffies, fail_tout)) + mptcp_mp_fail_no_response(msk); unlock: release_sock(sk); @@ -2822,6 +2837,7 @@ static void __mptcp_destroy_sock(struct sock *sk) static void mptcp_close(struct sock *sk, long timeout) { struct mptcp_subflow_context *subflow; + struct mptcp_sock *msk = mptcp_sk(sk); bool do_cancel_work = false; lock_sock(sk); @@ -2840,10 +2856,16 @@ static void mptcp_close(struct sock *sk, long timeout) cleanup: /* orphan all the subflows */ inet_csk(sk)->icsk_mtup.probe_timestamp = tcp_jiffies32; - mptcp_for_each_subflow(mptcp_sk(sk), subflow) { + mptcp_for_each_subflow(msk, subflow) { struct sock *ssk = mptcp_subflow_tcp_sock(subflow); bool slow = lock_sock_fast_nested(ssk); + /* since the close timeout takes precedence on the fail one, + * cancel the latter + */ + if (ssk == msk->first) + subflow->fail_tout = 0; + sock_orphan(ssk); unlock_sock_fast(ssk, slow); } @@ -2852,13 +2874,13 @@ cleanup: sock_hold(sk); pr_debug("msk=%p state=%d", sk, sk->sk_state); if (mptcp_sk(sk)->token) - mptcp_event(MPTCP_EVENT_CLOSED, mptcp_sk(sk), NULL, GFP_KERNEL); + mptcp_event(MPTCP_EVENT_CLOSED, msk, NULL, GFP_KERNEL); if (sk->sk_state == TCP_CLOSE) { __mptcp_destroy_sock(sk); do_cancel_work = true; } else { - sk_reset_timer(sk, &sk->sk_timer, jiffies + TCP_TIMEWAIT_LEN); + mptcp_reset_timeout(msk, 0); } release_sock(sk); if (do_cancel_work) diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 200f89f6d62f..c14d70c036d0 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -306,6 +306,7 @@ struct mptcp_sock { u32 setsockopt_seq; char ca_name[TCP_CA_NAME_MAX]; + struct mptcp_sock *dl_next; }; #define mptcp_data_lock(sk) spin_lock_bh(&(sk)->sk_lock.slock) @@ -468,7 +469,6 @@ struct mptcp_subflow_context { local_id_valid : 1, /* local_id is correctly initialized */ valid_csum_seen : 1; /* at least one csum validated */ enum mptcp_data_avail data_avail; - bool mp_fail_response_expect; u32 remote_nonce; u64 thmac; u32 local_nonce; @@ -482,6 +482,7 @@ struct mptcp_subflow_context { u8 stale_count; long delegated_status; + unsigned long fail_tout; ); @@ -608,6 +609,7 @@ void mptcp_close_ssk(struct sock *sk, struct sock *ssk, struct mptcp_subflow_context *subflow); void mptcp_subflow_send_ack(struct sock *ssk); void mptcp_subflow_reset(struct sock *ssk); +void mptcp_subflow_queue_clean(struct sock *ssk); void mptcp_sock_graft(struct sock *sk, struct socket *parent); struct socket *__mptcp_nmpc_socket(const struct mptcp_sock *msk); @@ -662,6 +664,7 @@ void mptcp_get_options(const struct sk_buff *skb, void mptcp_finish_connect(struct sock *sk); void __mptcp_set_connected(struct sock *sk); +void mptcp_reset_timeout(struct mptcp_sock *msk, unsigned long fail_tout); static inline bool mptcp_is_fully_established(struct sock *sk) { return inet_sk_state_load(sk) == TCP_ESTABLISHED && @@ -926,12 +929,25 @@ static inline void __mptcp_do_fallback(struct mptcp_sock *msk) set_bit(MPTCP_FALLBACK_DONE, &msk->flags); } -static inline void mptcp_do_fallback(struct sock *sk) +static inline void mptcp_do_fallback(struct sock *ssk) { - struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); - struct mptcp_sock *msk = mptcp_sk(subflow->conn); + struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); + struct sock *sk = subflow->conn; + struct mptcp_sock *msk; + msk = mptcp_sk(sk); __mptcp_do_fallback(msk); + if (READ_ONCE(msk->snd_data_fin_enable) && !(ssk->sk_shutdown & SEND_SHUTDOWN)) { + gfp_t saved_allocation = ssk->sk_allocation; + + /* we are in a atomic (BH) scope, override ssk default for data + * fin allocation + */ + ssk->sk_allocation = GFP_ATOMIC; + ssk->sk_shutdown |= SEND_SHUTDOWN; + tcp_shutdown(ssk, SEND_SHUTDOWN); + ssk->sk_allocation = saved_allocation; + } } #define pr_fallback(a) pr_debug("%s:fallback to TCP (msk=%p)", __func__, a) diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 8841e8cd9ad8..63e8892ec807 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -843,7 +843,8 @@ enum mapping_status { MAPPING_INVALID, MAPPING_EMPTY, MAPPING_DATA_FIN, - MAPPING_DUMMY + MAPPING_DUMMY, + MAPPING_BAD_CSUM }; static void dbg_bad_map(struct mptcp_subflow_context *subflow, u32 ssn) @@ -958,11 +959,7 @@ static enum mapping_status validate_data_csum(struct sock *ssk, struct sk_buff * subflow->map_data_csum); if (unlikely(csum)) { MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DATACSUMERR); - if (subflow->mp_join || subflow->valid_csum_seen) { - subflow->send_mp_fail = 1; - MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_MPFAILTX); - } - return subflow->mp_join ? MAPPING_INVALID : MAPPING_DUMMY; + return MAPPING_BAD_CSUM; } subflow->valid_csum_seen = 1; @@ -974,7 +971,6 @@ static enum mapping_status get_mapping_status(struct sock *ssk, { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); bool csum_reqd = READ_ONCE(msk->csum_enabled); - struct sock *sk = (struct sock *)msk; struct mptcp_ext *mpext; struct sk_buff *skb; u16 data_len; @@ -1016,9 +1012,6 @@ static enum mapping_status get_mapping_status(struct sock *ssk, pr_debug("infinite mapping received"); MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_INFINITEMAPRX); subflow->map_data_len = 0; - if (!sock_flag(ssk, SOCK_DEAD)) - sk_stop_timer(sk, &sk->sk_timer); - return MAPPING_INVALID; } @@ -1165,6 +1158,33 @@ static bool subflow_can_fallback(struct mptcp_subflow_context *subflow) return !subflow->fully_established; } +static void mptcp_subflow_fail(struct mptcp_sock *msk, struct sock *ssk) +{ + struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); + unsigned long fail_tout; + + /* greceful failure can happen only on the MPC subflow */ + if (WARN_ON_ONCE(ssk != READ_ONCE(msk->first))) + return; + + /* since the close timeout take precedence on the fail one, + * no need to start the latter when the first is already set + */ + if (sock_flag((struct sock *)msk, SOCK_DEAD)) + return; + + /* we don't need extreme accuracy here, use a zero fail_tout as special + * value meaning no fail timeout at all; + */ + fail_tout = jiffies + TCP_RTO_MAX; + if (!fail_tout) + fail_tout = 1; + WRITE_ONCE(subflow->fail_tout, fail_tout); + tcp_send_ack(ssk); + + mptcp_reset_timeout(msk, subflow->fail_tout); +} + static bool subflow_check_data_avail(struct sock *ssk) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); @@ -1184,10 +1204,8 @@ static bool subflow_check_data_avail(struct sock *ssk) status = get_mapping_status(ssk, msk); trace_subflow_check_data_avail(status, skb_peek(&ssk->sk_receive_queue)); - if (unlikely(status == MAPPING_INVALID)) - goto fallback; - - if (unlikely(status == MAPPING_DUMMY)) + if (unlikely(status == MAPPING_INVALID || status == MAPPING_DUMMY || + status == MAPPING_BAD_CSUM)) goto fallback; if (status != MAPPING_OK) @@ -1229,22 +1247,17 @@ no_data: fallback: if (!__mptcp_check_fallback(msk)) { /* RFC 8684 section 3.7. */ - if (subflow->send_mp_fail) { + if (status == MAPPING_BAD_CSUM && + (subflow->mp_join || subflow->valid_csum_seen)) { + subflow->send_mp_fail = 1; + if (!READ_ONCE(msk->allow_infinite_fallback)) { - ssk->sk_err = EBADMSG; - tcp_set_state(ssk, TCP_CLOSE); subflow->reset_transient = 0; subflow->reset_reason = MPTCP_RST_EMIDDLEBOX; - tcp_send_active_reset(ssk, GFP_ATOMIC); - while ((skb = skb_peek(&ssk->sk_receive_queue))) - sk_eat_skb(ssk, skb); - } else if (!sock_flag(ssk, SOCK_DEAD)) { - WRITE_ONCE(subflow->mp_fail_response_expect, true); - sk_reset_timer((struct sock *)msk, - &((struct sock *)msk)->sk_timer, - jiffies + TCP_RTO_MAX); + goto reset; } - WRITE_ONCE(subflow->data_avail, MPTCP_SUBFLOW_NODATA); + mptcp_subflow_fail(msk, ssk); + WRITE_ONCE(subflow->data_avail, MPTCP_SUBFLOW_DATA_AVAIL); return true; } @@ -1252,16 +1265,20 @@ fallback: /* fatal protocol error, close the socket. * subflow_error_report() will introduce the appropriate barriers */ - ssk->sk_err = EBADMSG; - tcp_set_state(ssk, TCP_CLOSE); subflow->reset_transient = 0; subflow->reset_reason = MPTCP_RST_EMPTCP; + +reset: + ssk->sk_err = EBADMSG; + tcp_set_state(ssk, TCP_CLOSE); + while ((skb = skb_peek(&ssk->sk_receive_queue))) + sk_eat_skb(ssk, skb); tcp_send_active_reset(ssk, GFP_ATOMIC); WRITE_ONCE(subflow->data_avail, MPTCP_SUBFLOW_NODATA); return false; } - __mptcp_do_fallback(msk); + mptcp_do_fallback(ssk); } skb = skb_peek(&ssk->sk_receive_queue); @@ -1706,6 +1723,58 @@ static void subflow_state_change(struct sock *sk) } } +void mptcp_subflow_queue_clean(struct sock *listener_ssk) +{ + struct request_sock_queue *queue = &inet_csk(listener_ssk)->icsk_accept_queue; + struct mptcp_sock *msk, *next, *head = NULL; + struct request_sock *req; + + /* build a list of all unaccepted mptcp sockets */ + spin_lock_bh(&queue->rskq_lock); + for (req = queue->rskq_accept_head; req; req = req->dl_next) { + struct mptcp_subflow_context *subflow; + struct sock *ssk = req->sk; + struct mptcp_sock *msk; + + if (!sk_is_mptcp(ssk)) + continue; + + subflow = mptcp_subflow_ctx(ssk); + if (!subflow || !subflow->conn) + continue; + + /* skip if already in list */ + msk = mptcp_sk(subflow->conn); + if (msk->dl_next || msk == head) + continue; + + msk->dl_next = head; + head = msk; + } + spin_unlock_bh(&queue->rskq_lock); + if (!head) + return; + + /* can't acquire the msk socket lock under the subflow one, + * or will cause ABBA deadlock + */ + release_sock(listener_ssk); + + for (msk = head; msk; msk = next) { + struct sock *sk = (struct sock *)msk; + bool slow; + + slow = lock_sock_fast_nested(sk); + next = msk->dl_next; + msk->first = NULL; + msk->dl_next = NULL; + unlock_sock_fast(sk, slow); + } + + /* we are still under the listener msk socket lock */ + lock_sock_nested(listener_ssk, SINGLE_DEPTH_NESTING); +} + static int subflow_ulp_init(struct sock *sk) { struct inet_connection_sock *icsk = inet_csk(sk); diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c index 78814417d753..80713febfac6 100644 --- a/net/ncsi/ncsi-manage.c +++ b/net/ncsi/ncsi-manage.c @@ -1803,7 +1803,8 @@ struct ncsi_dev *ncsi_register_dev(struct net_device *dev, pdev = to_platform_device(dev->dev.parent); if (pdev) { np = pdev->dev.of_node; - if (np && of_get_property(np, "mlx,multi-host", NULL)) + if (np && (of_get_property(np, "mellanox,multi-host", NULL) || + of_get_property(np, "mlx,multi-host", NULL))) ndp->mlx_multi_host = true; } diff --git a/net/netfilter/nf_dup_netdev.c b/net/netfilter/nf_dup_netdev.c index 7873bd1389c3..a8e2425e43b0 100644 --- a/net/netfilter/nf_dup_netdev.c +++ b/net/netfilter/nf_dup_netdev.c @@ -13,14 +13,31 @@ #include <net/netfilter/nf_tables_offload.h> #include <net/netfilter/nf_dup_netdev.h> -static void nf_do_netdev_egress(struct sk_buff *skb, struct net_device *dev) +#define NF_RECURSION_LIMIT 2 + +static DEFINE_PER_CPU(u8, nf_dup_skb_recursion); + +static void nf_do_netdev_egress(struct sk_buff *skb, struct net_device *dev, + enum nf_dev_hooks hook) { - if (skb_mac_header_was_set(skb)) + if (__this_cpu_read(nf_dup_skb_recursion) > NF_RECURSION_LIMIT) + goto err; + + if (hook == NF_NETDEV_INGRESS && skb_mac_header_was_set(skb)) { + if (skb_cow_head(skb, skb->mac_len)) + goto err; + skb_push(skb, skb->mac_len); + } skb->dev = dev; skb_clear_tstamp(skb); + __this_cpu_inc(nf_dup_skb_recursion); dev_queue_xmit(skb); + __this_cpu_dec(nf_dup_skb_recursion); + return; +err: + kfree_skb(skb); } void nf_fwd_netdev_egress(const struct nft_pktinfo *pkt, int oif) @@ -33,7 +50,7 @@ void nf_fwd_netdev_egress(const struct nft_pktinfo *pkt, int oif) return; } - nf_do_netdev_egress(pkt->skb, dev); + nf_do_netdev_egress(pkt->skb, dev, nft_hook(pkt)); } EXPORT_SYMBOL_GPL(nf_fwd_netdev_egress); @@ -48,7 +65,7 @@ void nf_dup_netdev_egress(const struct nft_pktinfo *pkt, int oif) skb = skb_clone(pkt->skb, GFP_ATOMIC); if (skb) - nf_do_netdev_egress(skb, dev); + nf_do_netdev_egress(skb, dev, nft_hook(pkt)); } EXPORT_SYMBOL_GPL(nf_dup_netdev_egress); diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c index 53f40e473855..3ddce24ac76d 100644 --- a/net/netfilter/nf_tables_core.c +++ b/net/netfilter/nf_tables_core.c @@ -25,9 +25,7 @@ static noinline void __nft_trace_packet(struct nft_traceinfo *info, const struct nft_chain *chain, enum nft_trace_types type) { - const struct nft_pktinfo *pkt = info->pkt; - - if (!info->trace || !pkt->skb->nf_trace) + if (!info->trace || !info->nf_trace) return; info->chain = chain; @@ -42,11 +40,24 @@ static inline void nft_trace_packet(struct nft_traceinfo *info, enum nft_trace_types type) { if (static_branch_unlikely(&nft_trace_enabled)) { + const struct nft_pktinfo *pkt = info->pkt; + + info->nf_trace = pkt->skb->nf_trace; info->rule = rule; __nft_trace_packet(info, chain, type); } } +static inline void nft_trace_copy_nftrace(struct nft_traceinfo *info) +{ + if (static_branch_unlikely(&nft_trace_enabled)) { + const struct nft_pktinfo *pkt = info->pkt; + + if (info->trace) + info->nf_trace = pkt->skb->nf_trace; + } +} + static void nft_bitwise_fast_eval(const struct nft_expr *expr, struct nft_regs *regs) { @@ -85,6 +96,7 @@ static noinline void __nft_trace_verdict(struct nft_traceinfo *info, const struct nft_chain *chain, const struct nft_regs *regs) { + const struct nft_pktinfo *pkt = info->pkt; enum nft_trace_types type; switch (regs->verdict.code) { @@ -92,8 +104,13 @@ static noinline void __nft_trace_verdict(struct nft_traceinfo *info, case NFT_RETURN: type = NFT_TRACETYPE_RETURN; break; + case NF_STOLEN: + type = NFT_TRACETYPE_RULE; + /* can't access skb->nf_trace; use copy */ + break; default: type = NFT_TRACETYPE_RULE; + info->nf_trace = pkt->skb->nf_trace; break; } @@ -254,6 +271,7 @@ next_rule: switch (regs.verdict.code) { case NFT_BREAK: regs.verdict.code = NFT_CONTINUE; + nft_trace_copy_nftrace(&info); continue; case NFT_CONTINUE: nft_trace_packet(&info, chain, rule, diff --git a/net/netfilter/nf_tables_trace.c b/net/netfilter/nf_tables_trace.c index 5041725423c2..1163ba9c1401 100644 --- a/net/netfilter/nf_tables_trace.c +++ b/net/netfilter/nf_tables_trace.c @@ -7,7 +7,7 @@ #include <linux/module.h> #include <linux/static_key.h> #include <linux/hash.h> -#include <linux/jhash.h> +#include <linux/siphash.h> #include <linux/if_vlan.h> #include <linux/init.h> #include <linux/skbuff.h> @@ -25,22 +25,6 @@ DEFINE_STATIC_KEY_FALSE(nft_trace_enabled); EXPORT_SYMBOL_GPL(nft_trace_enabled); -static int trace_fill_id(struct sk_buff *nlskb, struct sk_buff *skb) -{ - __be32 id; - - /* using skb address as ID results in a limited number of - * values (and quick reuse). - * - * So we attempt to use as many skb members that will not - * change while skb is with netfilter. - */ - id = (__be32)jhash_2words(hash32_ptr(skb), skb_get_hash(skb), - skb->skb_iif); - - return nla_put_be32(nlskb, NFTA_TRACE_ID, id); -} - static int trace_fill_header(struct sk_buff *nlskb, u16 type, const struct sk_buff *skb, int off, unsigned int len) @@ -186,6 +170,7 @@ void nft_trace_notify(struct nft_traceinfo *info) struct nlmsghdr *nlh; struct sk_buff *skb; unsigned int size; + u32 mark = 0; u16 event; if (!nfnetlink_has_listeners(nft_net(pkt), NFNLGRP_NFTRACE)) @@ -229,7 +214,7 @@ void nft_trace_notify(struct nft_traceinfo *info) if (nla_put_be32(skb, NFTA_TRACE_TYPE, htonl(info->type))) goto nla_put_failure; - if (trace_fill_id(skb, pkt->skb)) + if (nla_put_u32(skb, NFTA_TRACE_ID, info->skbid)) goto nla_put_failure; if (nla_put_string(skb, NFTA_TRACE_CHAIN, info->chain->name)) @@ -249,16 +234,24 @@ void nft_trace_notify(struct nft_traceinfo *info) case NFT_TRACETYPE_RULE: if (nft_verdict_dump(skb, NFTA_TRACE_VERDICT, info->verdict)) goto nla_put_failure; + + /* pkt->skb undefined iff NF_STOLEN, disable dump */ + if (info->verdict->code == NF_STOLEN) + info->packet_dumped = true; + else + mark = pkt->skb->mark; + break; case NFT_TRACETYPE_POLICY: + mark = pkt->skb->mark; + if (nla_put_be32(skb, NFTA_TRACE_POLICY, htonl(info->basechain->policy))) goto nla_put_failure; break; } - if (pkt->skb->mark && - nla_put_be32(skb, NFTA_TRACE_MARK, htonl(pkt->skb->mark))) + if (mark && nla_put_be32(skb, NFTA_TRACE_MARK, htonl(mark))) goto nla_put_failure; if (!info->packet_dumped) { @@ -283,9 +276,20 @@ void nft_trace_init(struct nft_traceinfo *info, const struct nft_pktinfo *pkt, const struct nft_verdict *verdict, const struct nft_chain *chain) { + static siphash_key_t trace_key __read_mostly; + struct sk_buff *skb = pkt->skb; + info->basechain = nft_base_chain(chain); info->trace = true; + info->nf_trace = pkt->skb->nf_trace; info->packet_dumped = false; info->pkt = pkt; info->verdict = verdict; + + net_get_random_once(&trace_key, sizeof(trace_key)); + + info->skbid = (u32)siphash_3u32(hash32_ptr(skb), + skb_get_hash(skb), + skb->skb_iif, + &trace_key); } diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index af15102bc696..f466af4f8531 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -614,7 +614,7 @@ static void __net_exit cttimeout_net_exit(struct net *net) nf_ct_untimeout(net, NULL); - list_for_each_entry_safe(cur, tmp, &pernet->nfct_timeout_freelist, head) { + list_for_each_entry_safe(cur, tmp, &pernet->nfct_timeout_freelist, free_head) { list_del(&cur->free_head); if (refcount_dec_and_test(&cur->refcnt)) diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index ac4859241e17..55d2d49c3425 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -14,6 +14,7 @@ #include <linux/in.h> #include <linux/ip.h> #include <linux/ipv6.h> +#include <linux/random.h> #include <linux/smp.h> #include <linux/static_key.h> #include <net/dst.h> @@ -32,8 +33,6 @@ #define NFT_META_SECS_PER_DAY 86400 #define NFT_META_DAYS_PER_WEEK 7 -static DEFINE_PER_CPU(struct rnd_state, nft_prandom_state); - static u8 nft_meta_weekday(void) { time64_t secs = ktime_get_real_seconds(); @@ -271,13 +270,6 @@ static bool nft_meta_get_eval_ifname(enum nft_meta_keys key, u32 *dest, return true; } -static noinline u32 nft_prandom_u32(void) -{ - struct rnd_state *state = this_cpu_ptr(&nft_prandom_state); - - return prandom_u32_state(state); -} - #ifdef CONFIG_IP_ROUTE_CLASSID static noinline bool nft_meta_get_eval_rtclassid(const struct sk_buff *skb, u32 *dest) @@ -389,7 +381,7 @@ void nft_meta_get_eval(const struct nft_expr *expr, break; #endif case NFT_META_PRANDOM: - *dest = nft_prandom_u32(); + *dest = get_random_u32(); break; #ifdef CONFIG_XFRM case NFT_META_SECPATH: @@ -518,7 +510,6 @@ int nft_meta_get_init(const struct nft_ctx *ctx, len = IFNAMSIZ; break; case NFT_META_PRANDOM: - prandom_init_once(&nft_prandom_state); len = sizeof(u32); break; #ifdef CONFIG_XFRM diff --git a/net/netfilter/nft_numgen.c b/net/netfilter/nft_numgen.c index 81b40c663d86..45d3dc9e96f2 100644 --- a/net/netfilter/nft_numgen.c +++ b/net/netfilter/nft_numgen.c @@ -9,12 +9,11 @@ #include <linux/netlink.h> #include <linux/netfilter.h> #include <linux/netfilter/nf_tables.h> +#include <linux/random.h> #include <linux/static_key.h> #include <net/netfilter/nf_tables.h> #include <net/netfilter/nf_tables_core.h> -static DEFINE_PER_CPU(struct rnd_state, nft_numgen_prandom_state); - struct nft_ng_inc { u8 dreg; u32 modulus; @@ -135,12 +134,9 @@ struct nft_ng_random { u32 offset; }; -static u32 nft_ng_random_gen(struct nft_ng_random *priv) +static u32 nft_ng_random_gen(const struct nft_ng_random *priv) { - struct rnd_state *state = this_cpu_ptr(&nft_numgen_prandom_state); - - return reciprocal_scale(prandom_u32_state(state), priv->modulus) + - priv->offset; + return reciprocal_scale(get_random_u32(), priv->modulus) + priv->offset; } static void nft_ng_random_eval(const struct nft_expr *expr, @@ -168,8 +164,6 @@ static int nft_ng_random_init(const struct nft_ctx *ctx, if (priv->offset + priv->modulus - 1 < priv->offset) return -EOVERFLOW; - prandom_init_once(&nft_numgen_prandom_state); - return nft_parse_register_store(ctx, tb[NFTA_NG_DREG], &priv->dreg, NULL, NFT_DATA_VALUE, sizeof(u32)); } diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c index df40314de21f..76de6c8d9865 100644 --- a/net/netfilter/nft_set_hash.c +++ b/net/netfilter/nft_set_hash.c @@ -143,6 +143,7 @@ static bool nft_rhash_update(struct nft_set *set, const u32 *key, /* Another cpu may race to insert the element with the same key */ if (prev) { nft_set_elem_destroy(set, he, true); + atomic_dec(&set->nelems); he = prev; } @@ -152,6 +153,7 @@ out: err2: nft_set_elem_destroy(set, he, true); + atomic_dec(&set->nelems); err1: return false; } diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 372bf54a0ca9..e20d1a973417 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -407,7 +407,7 @@ static int parse_ipv6hdr(struct sk_buff *skb, struct sw_flow_key *key) if (flags & IP6_FH_F_FRAG) { if (frag_off) { key->ip.frag = OVS_FRAG_TYPE_LATER; - key->ip.proto = nexthdr; + key->ip.proto = NEXTHDR_FRAGMENT; return 0; } key->ip.frag = OVS_FRAG_TYPE_FIRST; diff --git a/net/rose/rose_timer.c b/net/rose/rose_timer.c index b3138fc2e552..f06ddbed3fed 100644 --- a/net/rose/rose_timer.c +++ b/net/rose/rose_timer.c @@ -31,89 +31,89 @@ static void rose_idletimer_expiry(struct timer_list *); void rose_start_heartbeat(struct sock *sk) { - del_timer(&sk->sk_timer); + sk_stop_timer(sk, &sk->sk_timer); sk->sk_timer.function = rose_heartbeat_expiry; sk->sk_timer.expires = jiffies + 5 * HZ; - add_timer(&sk->sk_timer); + sk_reset_timer(sk, &sk->sk_timer, sk->sk_timer.expires); } void rose_start_t1timer(struct sock *sk) { struct rose_sock *rose = rose_sk(sk); - del_timer(&rose->timer); + sk_stop_timer(sk, &rose->timer); rose->timer.function = rose_timer_expiry; rose->timer.expires = jiffies + rose->t1; - add_timer(&rose->timer); + sk_reset_timer(sk, &rose->timer, rose->timer.expires); } void rose_start_t2timer(struct sock *sk) { struct rose_sock *rose = rose_sk(sk); - del_timer(&rose->timer); + sk_stop_timer(sk, &rose->timer); rose->timer.function = rose_timer_expiry; rose->timer.expires = jiffies + rose->t2; - add_timer(&rose->timer); + sk_reset_timer(sk, &rose->timer, rose->timer.expires); } void rose_start_t3timer(struct sock *sk) { struct rose_sock *rose = rose_sk(sk); - del_timer(&rose->timer); + sk_stop_timer(sk, &rose->timer); rose->timer.function = rose_timer_expiry; rose->timer.expires = jiffies + rose->t3; - add_timer(&rose->timer); + sk_reset_timer(sk, &rose->timer, rose->timer.expires); } void rose_start_hbtimer(struct sock *sk) { struct rose_sock *rose = rose_sk(sk); - del_timer(&rose->timer); + sk_stop_timer(sk, &rose->timer); rose->timer.function = rose_timer_expiry; rose->timer.expires = jiffies + rose->hb; - add_timer(&rose->timer); + sk_reset_timer(sk, &rose->timer, rose->timer.expires); } void rose_start_idletimer(struct sock *sk) { struct rose_sock *rose = rose_sk(sk); - del_timer(&rose->idletimer); + sk_stop_timer(sk, &rose->idletimer); if (rose->idle > 0) { rose->idletimer.function = rose_idletimer_expiry; rose->idletimer.expires = jiffies + rose->idle; - add_timer(&rose->idletimer); + sk_reset_timer(sk, &rose->idletimer, rose->idletimer.expires); } } void rose_stop_heartbeat(struct sock *sk) { - del_timer(&sk->sk_timer); + sk_stop_timer(sk, &sk->sk_timer); } void rose_stop_timer(struct sock *sk) { - del_timer(&rose_sk(sk)->timer); + sk_stop_timer(sk, &rose_sk(sk)->timer); } void rose_stop_idletimer(struct sock *sk) { - del_timer(&rose_sk(sk)->idletimer); + sk_stop_timer(sk, &rose_sk(sk)->idletimer); } static void rose_heartbeat_expiry(struct timer_list *t) @@ -130,6 +130,7 @@ static void rose_heartbeat_expiry(struct timer_list *t) (sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) { bh_unlock_sock(sk); rose_destroy_socket(sk); + sock_put(sk); return; } break; @@ -152,6 +153,7 @@ static void rose_heartbeat_expiry(struct timer_list *t) rose_start_heartbeat(sk); bh_unlock_sock(sk); + sock_put(sk); } static void rose_timer_expiry(struct timer_list *t) @@ -181,6 +183,7 @@ static void rose_timer_expiry(struct timer_list *t) break; } bh_unlock_sock(sk); + sock_put(sk); } static void rose_idletimer_expiry(struct timer_list *t) @@ -205,4 +208,5 @@ static void rose_idletimer_expiry(struct timer_list *t) sock_set_flag(sk, SOCK_DEAD); } bh_unlock_sock(sk); + sock_put(sk); } diff --git a/net/sched/act_api.c b/net/sched/act_api.c index da9733da9868..817065aa2833 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -588,7 +588,8 @@ static int tcf_idr_release_unsafe(struct tc_action *p) } static int tcf_del_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb, - const struct tc_action_ops *ops) + const struct tc_action_ops *ops, + struct netlink_ext_ack *extack) { struct nlattr *nest; int n_i = 0; @@ -604,20 +605,25 @@ static int tcf_del_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb, if (nla_put_string(skb, TCA_KIND, ops->kind)) goto nla_put_failure; + ret = 0; mutex_lock(&idrinfo->lock); idr_for_each_entry_ul(idr, p, tmp, id) { if (IS_ERR(p)) continue; ret = tcf_idr_release_unsafe(p); - if (ret == ACT_P_DELETED) { + if (ret == ACT_P_DELETED) module_put(ops->owner); - n_i++; - } else if (ret < 0) { - mutex_unlock(&idrinfo->lock); - goto nla_put_failure; - } + else if (ret < 0) + break; + n_i++; } mutex_unlock(&idrinfo->lock); + if (ret < 0) { + if (n_i) + NL_SET_ERR_MSG(extack, "Unable to flush all TC actions"); + else + goto nla_put_failure; + } ret = nla_put_u32(skb, TCA_FCNT, n_i); if (ret) @@ -638,7 +644,7 @@ int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb, struct tcf_idrinfo *idrinfo = tn->idrinfo; if (type == RTM_DELACTION) { - return tcf_del_walker(idrinfo, skb, ops); + return tcf_del_walker(idrinfo, skb, ops, extack); } else if (type == RTM_GETACTION) { return tcf_dump_walker(idrinfo, skb, cb); } else { diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index ed4ccef5d6a8..5449ed114e40 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -1146,9 +1146,9 @@ static int netem_dump(struct Qdisc *sch, struct sk_buff *skb) struct tc_netem_rate rate; struct tc_netem_slot slot; - qopt.latency = min_t(psched_tdiff_t, PSCHED_NS2TICKS(q->latency), + qopt.latency = min_t(psched_time_t, PSCHED_NS2TICKS(q->latency), UINT_MAX); - qopt.jitter = min_t(psched_tdiff_t, PSCHED_NS2TICKS(q->jitter), + qopt.jitter = min_t(psched_time_t, PSCHED_NS2TICKS(q->jitter), UINT_MAX); qopt.limit = q->limit; qopt.loss = q->loss; diff --git a/net/socket.c b/net/socket.c index 2bc8773d9dc5..96300cdc0625 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2149,10 +2149,13 @@ SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len, int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags, struct sockaddr __user *addr, int __user *addr_len) { + struct sockaddr_storage address; + struct msghdr msg = { + /* Save some cycles and don't copy the address if not needed */ + .msg_name = addr ? (struct sockaddr *)&address : NULL, + }; struct socket *sock; struct iovec iov; - struct msghdr msg; - struct sockaddr_storage address; int err, err2; int fput_needed; @@ -2163,14 +2166,6 @@ int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags, if (!sock) goto out; - msg.msg_control = NULL; - msg.msg_controllen = 0; - /* Save some cycles and don't copy the address if not needed */ - msg.msg_name = addr ? (struct sockaddr *)&address : NULL; - /* We assume all kernel code knows the size of sockaddr_storage */ - msg.msg_namelen = 0; - msg.msg_iocb = NULL; - msg.msg_flags = 0; if (sock->file->f_flags & O_NONBLOCK) flags |= MSG_DONTWAIT; err = sock_recvmsg(sock, &msg, flags); @@ -2375,6 +2370,7 @@ int __copy_msghdr_from_user(struct msghdr *kmsg, return -EFAULT; kmsg->msg_control_is_user = true; + kmsg->msg_get_inq = 0; kmsg->msg_control_user = msg.msg_control; kmsg->msg_controllen = msg.msg_controllen; kmsg->msg_flags = msg.msg_flags; diff --git a/net/tipc/core.c b/net/tipc/core.c index 3f4542e0f065..434e70eabe08 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -109,10 +109,9 @@ static void __net_exit tipc_exit_net(struct net *net) struct tipc_net *tn = tipc_net(net); tipc_detach_loopback(net); + tipc_net_stop(net); /* Make sure the tipc_net_finalize_work() finished */ cancel_work_sync(&tn->work); - tipc_net_stop(net); - tipc_bcast_stop(net); tipc_nametbl_stop(net); tipc_sk_rht_destroy(net); diff --git a/net/tipc/node.c b/net/tipc/node.c index 6ef95ce565bd..b48d97cbbe29 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -472,8 +472,8 @@ struct tipc_node *tipc_node_create(struct net *net, u32 addr, u8 *peer_id, bool preliminary) { struct tipc_net *tn = net_generic(net, tipc_net_id); + struct tipc_link *l, *snd_l = tipc_bc_sndlink(net); struct tipc_node *n, *temp_node; - struct tipc_link *l; unsigned long intv; int bearer_id; int i; @@ -488,6 +488,16 @@ struct tipc_node *tipc_node_create(struct net *net, u32 addr, u8 *peer_id, goto exit; /* A preliminary node becomes "real" now, refresh its data */ tipc_node_write_lock(n); + if (!tipc_link_bc_create(net, tipc_own_addr(net), addr, peer_id, U16_MAX, + tipc_link_min_win(snd_l), tipc_link_max_win(snd_l), + n->capabilities, &n->bc_entry.inputq1, + &n->bc_entry.namedq, snd_l, &n->bc_entry.link)) { + pr_warn("Broadcast rcv link refresh failed, no memory\n"); + tipc_node_write_unlock_fast(n); + tipc_node_put(n); + n = NULL; + goto exit; + } n->preliminary = false; n->addr = addr; hlist_del_rcu(&n->hash); @@ -567,7 +577,16 @@ update: n->signature = INVALID_NODE_SIG; n->active_links[0] = INVALID_BEARER_ID; n->active_links[1] = INVALID_BEARER_ID; - n->bc_entry.link = NULL; + if (!preliminary && + !tipc_link_bc_create(net, tipc_own_addr(net), addr, peer_id, U16_MAX, + tipc_link_min_win(snd_l), tipc_link_max_win(snd_l), + n->capabilities, &n->bc_entry.inputq1, + &n->bc_entry.namedq, snd_l, &n->bc_entry.link)) { + pr_warn("Broadcast rcv link creation failed, no memory\n"); + kfree(n); + n = NULL; + goto exit; + } tipc_node_get(n); timer_setup(&n->timer, tipc_node_timeout, 0); /* Start a slow timer anyway, crypto needs it */ @@ -1155,7 +1174,7 @@ void tipc_node_check_dest(struct net *net, u32 addr, bool *respond, bool *dupl_addr) { struct tipc_node *n; - struct tipc_link *l, *snd_l; + struct tipc_link *l; struct tipc_link_entry *le; bool addr_match = false; bool sign_match = false; @@ -1175,22 +1194,6 @@ void tipc_node_check_dest(struct net *net, u32 addr, return; tipc_node_write_lock(n); - if (unlikely(!n->bc_entry.link)) { - snd_l = tipc_bc_sndlink(net); - if (!tipc_link_bc_create(net, tipc_own_addr(net), - addr, peer_id, U16_MAX, - tipc_link_min_win(snd_l), - tipc_link_max_win(snd_l), - n->capabilities, - &n->bc_entry.inputq1, - &n->bc_entry.namedq, snd_l, - &n->bc_entry.link)) { - pr_warn("Broadcast rcv link creation failed, no mem\n"); - tipc_node_write_unlock_fast(n); - tipc_node_put(n); - return; - } - } le = &n->links[b->identity]; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 17f8c523e33b..43509c7e90fc 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -502,6 +502,7 @@ static int tipc_sk_create(struct net *net, struct socket *sock, sock_init_data(sock, sk); tipc_set_sk_state(sk, TIPC_OPEN); if (tipc_sk_insert(tsk)) { + sk_free(sk); pr_warn("Socket create failed; port number exhausted\n"); return -EINVAL; } diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index da176411c1b5..2ffede463e4a 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -921,6 +921,8 @@ static void tls_update(struct sock *sk, struct proto *p, { struct tls_context *ctx; + WARN_ON_ONCE(sk->sk_prot == p); + ctx = tls_get_ctx(sk); if (likely(ctx)) { ctx->sk_write_space = write_space; diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 19ac872a6624..09002387987e 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -538,12 +538,6 @@ static int xsk_generic_xmit(struct sock *sk) goto out; } - skb = xsk_build_skb(xs, &desc); - if (IS_ERR(skb)) { - err = PTR_ERR(skb); - goto out; - } - /* This is the backpressure mechanism for the Tx path. * Reserve space in the completion queue and only proceed * if there is space in it. This avoids having to implement @@ -552,11 +546,19 @@ static int xsk_generic_xmit(struct sock *sk) spin_lock_irqsave(&xs->pool->cq_lock, flags); if (xskq_prod_reserve(xs->pool->cq)) { spin_unlock_irqrestore(&xs->pool->cq_lock, flags); - kfree_skb(skb); goto out; } spin_unlock_irqrestore(&xs->pool->cq_lock, flags); + skb = xsk_build_skb(xs, &desc); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + spin_lock_irqsave(&xs->pool->cq_lock, flags); + xskq_prod_cancel(xs->pool->cq); + spin_unlock_irqrestore(&xs->pool->cq_lock, flags); + goto out; + } + err = __dev_direct_xmit(skb, xs->queue_id); if (err == NETDEV_TX_BUSY) { /* Tell user-space to retry the send */ diff --git a/samples/fprobe/fprobe_example.c b/samples/fprobe/fprobe_example.c index 24d3cf109140..01ee6c8c8382 100644 --- a/samples/fprobe/fprobe_example.c +++ b/samples/fprobe/fprobe_example.c @@ -21,6 +21,7 @@ #define BACKTRACE_DEPTH 16 #define MAX_SYMBOL_LEN 4096 struct fprobe sample_probe; +static unsigned long nhit; static char symbol[MAX_SYMBOL_LEN] = "kernel_clone"; module_param_string(symbol, symbol, sizeof(symbol), 0644); @@ -28,6 +29,8 @@ static char nosymbol[MAX_SYMBOL_LEN] = ""; module_param_string(nosymbol, nosymbol, sizeof(nosymbol), 0644); static bool stackdump = true; module_param(stackdump, bool, 0644); +static bool use_trace = false; +module_param(use_trace, bool, 0644); static void show_backtrace(void) { @@ -40,7 +43,15 @@ static void show_backtrace(void) static void sample_entry_handler(struct fprobe *fp, unsigned long ip, struct pt_regs *regs) { - pr_info("Enter <%pS> ip = 0x%p\n", (void *)ip, (void *)ip); + if (use_trace) + /* + * This is just an example, no kernel code should call + * trace_printk() except when actively debugging. + */ + trace_printk("Enter <%pS> ip = 0x%p\n", (void *)ip, (void *)ip); + else + pr_info("Enter <%pS> ip = 0x%p\n", (void *)ip, (void *)ip); + nhit++; if (stackdump) show_backtrace(); } @@ -49,8 +60,17 @@ static void sample_exit_handler(struct fprobe *fp, unsigned long ip, struct pt_r { unsigned long rip = instruction_pointer(regs); - pr_info("Return from <%pS> ip = 0x%p to rip = 0x%p (%pS)\n", - (void *)ip, (void *)ip, (void *)rip, (void *)rip); + if (use_trace) + /* + * This is just an example, no kernel code should call + * trace_printk() except when actively debugging. + */ + trace_printk("Return from <%pS> ip = 0x%p to rip = 0x%p (%pS)\n", + (void *)ip, (void *)ip, (void *)rip, (void *)rip); + else + pr_info("Return from <%pS> ip = 0x%p to rip = 0x%p (%pS)\n", + (void *)ip, (void *)ip, (void *)rip, (void *)rip); + nhit++; if (stackdump) show_backtrace(); } @@ -112,7 +132,8 @@ static void __exit fprobe_exit(void) { unregister_fprobe(&sample_probe); - pr_info("fprobe at %s unregistered\n", symbol); + pr_info("fprobe at %s unregistered. %ld times hit, %ld times missed\n", + symbol, nhit, sample_probe.nmissed); } module_init(fprobe_init) diff --git a/scripts/gen_autoksyms.sh b/scripts/gen_autoksyms.sh index faacf7062122..653fadbad302 100755 --- a/scripts/gen_autoksyms.sh +++ b/scripts/gen_autoksyms.sh @@ -56,4 +56,7 @@ EOT # point addresses. sed -e 's/^\.//' | sort -u | +# Ignore __this_module. It's not an exported symbol, and will be resolved +# when the final .ko's are linked. +grep -v '^__this_module$' | sed -e 's/\(.*\)/#define __KSYM_\1 1/' >> "$output_file" diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 29d5a841e215..620dc8c4c814 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -980,7 +980,7 @@ static const struct sectioncheck sectioncheck[] = { }, /* Do not export init/exit functions or data */ { - .fromsec = { "__ksymtab*", NULL }, + .fromsec = { "___ksymtab*", NULL }, .bad_tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL }, .mismatch = EXPORT_TO_INIT_EXIT, .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c index 15dc7160ba34..8cfdaee77905 100644 --- a/sound/core/memalloc.c +++ b/sound/core/memalloc.c @@ -431,33 +431,17 @@ static const struct snd_malloc_ops snd_dma_iram_ops = { */ static void *snd_dma_dev_alloc(struct snd_dma_buffer *dmab, size_t size) { - void *p; - - p = dma_alloc_coherent(dmab->dev.dev, size, &dmab->addr, DEFAULT_GFP); -#ifdef CONFIG_X86 - if (p && dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC) - set_memory_wc((unsigned long)p, PAGE_ALIGN(size) >> PAGE_SHIFT); -#endif - return p; + return dma_alloc_coherent(dmab->dev.dev, size, &dmab->addr, DEFAULT_GFP); } static void snd_dma_dev_free(struct snd_dma_buffer *dmab) { -#ifdef CONFIG_X86 - if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC) - set_memory_wb((unsigned long)dmab->area, - PAGE_ALIGN(dmab->bytes) >> PAGE_SHIFT); -#endif dma_free_coherent(dmab->dev.dev, dmab->bytes, dmab->area, dmab->addr); } static int snd_dma_dev_mmap(struct snd_dma_buffer *dmab, struct vm_area_struct *area) { -#ifdef CONFIG_X86 - if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC) - area->vm_page_prot = pgprot_writecombine(area->vm_page_prot); -#endif return dma_mmap_coherent(dmab->dev.dev, area, dmab->area, dmab->addr, dmab->bytes); } @@ -471,10 +455,6 @@ static const struct snd_malloc_ops snd_dma_dev_ops = { /* * Write-combined pages */ -#ifdef CONFIG_X86 -/* On x86, share the same ops as the standard dev ops */ -#define snd_dma_wc_ops snd_dma_dev_ops -#else /* CONFIG_X86 */ static void *snd_dma_wc_alloc(struct snd_dma_buffer *dmab, size_t size) { return dma_alloc_wc(dmab->dev.dev, size, &dmab->addr, DEFAULT_GFP); @@ -497,7 +477,6 @@ static const struct snd_malloc_ops snd_dma_wc_ops = { .free = snd_dma_wc_free, .mmap = snd_dma_wc_mmap, }; -#endif /* CONFIG_X86 */ #ifdef CONFIG_SND_DMA_SGBUF static void *snd_dma_sg_fallback_alloc(struct snd_dma_buffer *dmab, size_t size); diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 3f35972e1cf7..161a9711cd63 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -119,21 +119,18 @@ static int i915_component_master_match(struct device *dev, int subcomponent, /* check whether Intel graphics is present and reachable */ static int i915_gfx_present(struct pci_dev *hdac_pci) { - unsigned int class = PCI_BASE_CLASS_DISPLAY << 16; struct pci_dev *display_dev = NULL; - bool match = false; - do { - display_dev = pci_get_class(class, display_dev); - - if (display_dev && display_dev->vendor == PCI_VENDOR_ID_INTEL && + for_each_pci_dev(display_dev) { + if (display_dev->vendor == PCI_VENDOR_ID_INTEL && + (display_dev->class >> 16) == PCI_BASE_CLASS_DISPLAY && connectivity_check(display_dev, hdac_pci)) { pci_dev_put(display_dev); - match = true; + return true; } - } while (!match && display_dev); + } - return match; + return false; } /** diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c index a8fe01764b25..ec9cbb219bc1 100644 --- a/sound/hda/intel-dsp-config.c +++ b/sound/hda/intel-dsp-config.c @@ -196,6 +196,12 @@ static const struct config_entry config_table[] = { DMI_MATCH(DMI_SYS_VENDOR, "Google"), } }, + { + .ident = "UP-WHL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), + } + }, {} } }, @@ -358,6 +364,12 @@ static const struct config_entry config_table[] = { DMI_MATCH(DMI_SYS_VENDOR, "Google"), } }, + { + .ident = "UPX-TGL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), + } + }, {} } }, diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c index 4063da378283..9db5ccd9aa2d 100644 --- a/sound/hda/intel-nhlt.c +++ b/sound/hda/intel-nhlt.c @@ -55,8 +55,8 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt) /* find max number of channels based on format_configuration */ if (fmt_configs->fmt_count) { - dev_dbg(dev, "%s: found %d format definitions\n", - __func__, fmt_configs->fmt_count); + dev_dbg(dev, "found %d format definitions\n", + fmt_configs->fmt_count); for (i = 0; i < fmt_configs->fmt_count; i++) { struct wav_fmt_ext *fmt_ext; @@ -66,9 +66,9 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt) if (fmt_ext->fmt.channels > max_ch) max_ch = fmt_ext->fmt.channels; } - dev_dbg(dev, "%s: max channels found %d\n", __func__, max_ch); + dev_dbg(dev, "max channels found %d\n", max_ch); } else { - dev_dbg(dev, "%s: No format information found\n", __func__); + dev_dbg(dev, "No format information found\n"); } if (cfg->device_config.config_type != NHLT_CONFIG_TYPE_MIC_ARRAY) { @@ -95,17 +95,16 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt) } if (dmic_geo > 0) { - dev_dbg(dev, "%s: Array with %d dmics\n", __func__, dmic_geo); + dev_dbg(dev, "Array with %d dmics\n", dmic_geo); } if (max_ch > dmic_geo) { - dev_dbg(dev, "%s: max channels %d exceed dmic number %d\n", - __func__, max_ch, dmic_geo); + dev_dbg(dev, "max channels %d exceed dmic number %d\n", + max_ch, dmic_geo); } } } - dev_dbg(dev, "%s: dmic number %d max_ch %d\n", - __func__, dmic_geo, max_ch); + dev_dbg(dev, "dmic number %d max_ch %d\n", dmic_geo, max_ch); return dmic_geo; } diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c index cd1db943b7e0..7c6b1fe8dfcc 100644 --- a/sound/pci/hda/hda_auto_parser.c +++ b/sound/pci/hda/hda_auto_parser.c @@ -819,7 +819,7 @@ static void set_pin_targets(struct hda_codec *codec, snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val); } -static void apply_fixup(struct hda_codec *codec, int id, int action, int depth) +void __snd_hda_apply_fixup(struct hda_codec *codec, int id, int action, int depth) { const char *modelname = codec->fixup_name; @@ -829,7 +829,7 @@ static void apply_fixup(struct hda_codec *codec, int id, int action, int depth) if (++depth > 10) break; if (fix->chained_before) - apply_fixup(codec, fix->chain_id, action, depth + 1); + __snd_hda_apply_fixup(codec, fix->chain_id, action, depth + 1); switch (fix->type) { case HDA_FIXUP_PINS: @@ -870,6 +870,7 @@ static void apply_fixup(struct hda_codec *codec, int id, int action, int depth) id = fix->chain_id; } } +EXPORT_SYMBOL_GPL(__snd_hda_apply_fixup); /** * snd_hda_apply_fixup - Apply the fixup chain with the given action @@ -879,7 +880,7 @@ static void apply_fixup(struct hda_codec *codec, int id, int action, int depth) void snd_hda_apply_fixup(struct hda_codec *codec, int action) { if (codec->fixup_list) - apply_fixup(codec, codec->fixup_id, action, 0); + __snd_hda_apply_fixup(codec, codec->fixup_id, action, 0); } EXPORT_SYMBOL_GPL(snd_hda_apply_fixup); diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index aca592651870..682dca2057db 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -348,6 +348,7 @@ void snd_hda_apply_verbs(struct hda_codec *codec); void snd_hda_apply_pincfgs(struct hda_codec *codec, const struct hda_pintbl *cfg); void snd_hda_apply_fixup(struct hda_codec *codec, int action); +void __snd_hda_apply_fixup(struct hda_codec *codec, int id, int action, int depth); void snd_hda_pick_fixup(struct hda_codec *codec, const struct hda_model_fixup *models, const struct snd_pci_quirk *quirk, diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 1248d1a51cf0..3e541a4c0423 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -1079,11 +1079,11 @@ static int patch_conexant_auto(struct hda_codec *codec) if (err < 0) goto error; - err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg); + err = cx_auto_parse_beep(codec); if (err < 0) goto error; - err = cx_auto_parse_beep(codec); + err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg); if (err < 0) goto error; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b0f954118e72..cee69fa7e246 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2634,6 +2634,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x67e1, "Clevo PB71[DE][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x67e5, "Clevo PC70D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x67f1, "Clevo PC70H[PRS]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), + SND_PCI_QUIRK(0x1558, 0x67f5, "Clevo PD70PN[NRT]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x70d1, "Clevo PC70[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x7714, "Clevo X170SM", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x7715, "Clevo X170KM-G", ALC1220_FIXUP_CLEVO_PB51ED), @@ -7004,6 +7005,7 @@ enum { ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS, ALC287_FIXUP_LEGION_15IMHG05_AUTOMUTE, ALC287_FIXUP_YOGA7_14ITL_SPEAKERS, + ALC298_FIXUP_LENOVO_C940_DUET7, ALC287_FIXUP_13S_GEN2_SPEAKERS, ALC256_FIXUP_SET_COEF_DEFAULTS, ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE, @@ -7022,6 +7024,23 @@ enum { ALC295_FIXUP_FRAMEWORK_LAPTOP_MIC_NO_PRESENCE, }; +/* A special fixup for Lenovo C940 and Yoga Duet 7; + * both have the very same PCI SSID, and we need to apply different fixups + * depending on the codec ID + */ +static void alc298_fixup_lenovo_c940_duet7(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + int id; + + if (codec->core.vendor_id == 0x10ec0298) + id = ALC298_FIXUP_LENOVO_SPK_VOLUME; /* C940 */ + else + id = ALC287_FIXUP_YOGA7_14ITL_SPEAKERS; /* Duet 7 */ + __snd_hda_apply_fixup(codec, id, action, 0); +} + static const struct hda_fixup alc269_fixups[] = { [ALC269_FIXUP_GPIO2] = { .type = HDA_FIXUP_FUNC, @@ -8721,6 +8740,10 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_HEADSET_MODE, }, + [ALC298_FIXUP_LENOVO_C940_DUET7] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc298_fixup_lenovo_c940_duet7, + }, [ALC287_FIXUP_13S_GEN2_SPEAKERS] = { .type = HDA_FIXUP_VERBS, .v.verbs = (const struct hda_verb[]) { @@ -9022,6 +9045,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x8783, "HP ZBook Fury 15 G7 Mobile Workstation", ALC285_FIXUP_HP_GPIO_AMP_INIT), + SND_PCI_QUIRK(0x103c, 0x8787, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87e5, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), @@ -9187,6 +9211,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x70f3, "Clevo NH77DPQ", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x70f4, "Clevo NH77EPY", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x70f6, "Clevo NH77DPQ-Y", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1558, 0x7716, "Clevo NS50PU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x8228, "Clevo NR40BU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x8520, "Clevo NH50D[CD]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x8521, "Clevo NH77D[CD]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), @@ -9273,7 +9298,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x31af, "ThinkCentre Station", ALC623_FIXUP_LENOVO_THINKSTATION_P340), SND_PCI_QUIRK(0x17aa, 0x3802, "Lenovo Yoga DuetITL 2021", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS), - SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", ALC298_FIXUP_LENOVO_SPK_VOLUME), + SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940 / Yoga Duet 7", ALC298_FIXUP_LENOVO_C940_DUET7), SND_PCI_QUIRK(0x17aa, 0x3819, "Lenovo 13s Gen2 ITL", ALC287_FIXUP_13S_GEN2_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3820, "Yoga Duet 7 13ITL6", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3824, "Legion Y9000X 2020", ALC285_FIXUP_LEGION_Y9000X_SPEAKERS), @@ -10737,6 +10762,7 @@ enum { ALC668_FIXUP_MIC_DET_COEF, ALC897_FIXUP_LENOVO_HEADSET_MIC, ALC897_FIXUP_HEADSET_MIC_PIN, + ALC897_FIXUP_HP_HSMIC_VERB, }; static const struct hda_fixup alc662_fixups[] = { @@ -11156,6 +11182,13 @@ static const struct hda_fixup alc662_fixups[] = { .chained = true, .chain_id = ALC897_FIXUP_LENOVO_HEADSET_MIC }, + [ALC897_FIXUP_HP_HSMIC_VERB] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */ + { } + }, + }, }; static const struct snd_pci_quirk alc662_fixup_tbl[] = { @@ -11181,6 +11214,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0698, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x069f, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1632, "HP RP5800", ALC662_FIXUP_HP_RP5800), + SND_PCI_QUIRK(0x103c, 0x8719, "HP", ALC897_FIXUP_HP_HSMIC_VERB), SND_PCI_QUIRK(0x103c, 0x873e, "HP", ALC671_FIXUP_HP_HEADSET_MIC2), SND_PCI_QUIRK(0x103c, 0x885f, "HP 288 Pro G8", ALC671_FIXUP_HP_HEADSET_MIC2), SND_PCI_QUIRK(0x1043, 0x1080, "Asus UX501VW", ALC668_FIXUP_HEADSET_MODE), diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index a05304f340df..aea7fae2ca4b 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -518,11 +518,11 @@ static int via_parse_auto_config(struct hda_codec *codec) if (err < 0) return err; - err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg); + err = auto_parse_beep(codec); if (err < 0) return err; - err = auto_parse_beep(codec); + err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg); if (err < 0) return err; diff --git a/sound/usb/mixer_us16x08.c b/sound/usb/mixer_us16x08.c index b7b6f3834ed5..6eb7d93b358d 100644 --- a/sound/usb/mixer_us16x08.c +++ b/sound/usb/mixer_us16x08.c @@ -637,10 +637,10 @@ static int snd_get_meter_comp_index(struct snd_us16x08_meter_store *store) } } else { /* skip channels with no compressor active */ - while (!store->comp_store->val[ + while (store->comp_index <= SND_US16X08_MAX_CHANNELS + && !store->comp_store->val[ COMP_STORE_IDX(SND_US16X08_ID_COMP_SWITCH)] - [store->comp_index - 1] - && store->comp_index <= SND_US16X08_MAX_CHANNELS) { + [store->comp_index - 1]) { store->comp_index++; } ret = store->comp_index++; diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c index 0d828e35b401..ab95fb34a635 100644 --- a/sound/x86/intel_hdmi_audio.c +++ b/sound/x86/intel_hdmi_audio.c @@ -33,6 +33,8 @@ #include <drm/intel_lpe_audio.h> #include "intel_hdmi_audio.h" +#define INTEL_HDMI_AUDIO_SUSPEND_DELAY_MS 5000 + #define for_each_pipe(card_ctx, pipe) \ for ((pipe) = 0; (pipe) < (card_ctx)->num_pipes; (pipe)++) #define for_each_port(card_ctx, port) \ @@ -1066,7 +1068,9 @@ static int had_pcm_open(struct snd_pcm_substream *substream) intelhaddata = snd_pcm_substream_chip(substream); runtime = substream->runtime; - pm_runtime_get_sync(intelhaddata->dev); + retval = pm_runtime_resume_and_get(intelhaddata->dev); + if (retval < 0) + return retval; /* set the runtime hw parameter with local snd_pcm_hardware struct */ runtime->hw = had_pcm_hardware; @@ -1534,8 +1538,12 @@ static void had_audio_wq(struct work_struct *work) container_of(work, struct snd_intelhad, hdmi_audio_wq); struct intel_hdmi_lpe_audio_pdata *pdata = ctx->dev->platform_data; struct intel_hdmi_lpe_audio_port_pdata *ppdata = &pdata->port[ctx->port]; + int ret; + + ret = pm_runtime_resume_and_get(ctx->dev); + if (ret < 0) + return; - pm_runtime_get_sync(ctx->dev); mutex_lock(&ctx->mutex); if (ppdata->pipe < 0) { dev_dbg(ctx->dev, "%s: Event: HAD_NOTIFY_HOT_UNPLUG : port = %d\n", @@ -1802,8 +1810,11 @@ static int __hdmi_lpe_audio_probe(struct platform_device *pdev) pdata->notify_audio_lpe = notify_audio_lpe; spin_unlock_irq(&pdata->lpe_audio_slock); + pm_runtime_set_autosuspend_delay(&pdev->dev, INTEL_HDMI_AUDIO_SUSPEND_DELAY_MS); pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_idle(&pdev->dev); dev_dbg(&pdev->dev, "%s: handle pending notification\n", __func__); for_each_port(card_ctx, port) { diff --git a/tools/arch/arm64/include/asm/cputype.h b/tools/arch/arm64/include/asm/cputype.h index e09d6908a21d..8aa0d276a636 100644 --- a/tools/arch/arm64/include/asm/cputype.h +++ b/tools/arch/arm64/include/asm/cputype.h @@ -36,7 +36,7 @@ #define MIDR_VARIANT(midr) \ (((midr) & MIDR_VARIANT_MASK) >> MIDR_VARIANT_SHIFT) #define MIDR_IMPLEMENTOR_SHIFT 24 -#define MIDR_IMPLEMENTOR_MASK (0xff << MIDR_IMPLEMENTOR_SHIFT) +#define MIDR_IMPLEMENTOR_MASK (0xffU << MIDR_IMPLEMENTOR_SHIFT) #define MIDR_IMPLEMENTOR(midr) \ (((midr) & MIDR_IMPLEMENTOR_MASK) >> MIDR_IMPLEMENTOR_SHIFT) @@ -118,6 +118,10 @@ #define APPLE_CPU_PART_M1_ICESTORM 0x022 #define APPLE_CPU_PART_M1_FIRESTORM 0x023 +#define APPLE_CPU_PART_M1_ICESTORM_PRO 0x024 +#define APPLE_CPU_PART_M1_FIRESTORM_PRO 0x025 +#define APPLE_CPU_PART_M1_ICESTORM_MAX 0x028 +#define APPLE_CPU_PART_M1_FIRESTORM_MAX 0x029 #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53) #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57) @@ -164,6 +168,10 @@ #define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_TSV110) #define MIDR_APPLE_M1_ICESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM) #define MIDR_APPLE_M1_FIRESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM) +#define MIDR_APPLE_M1_ICESTORM_PRO MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM_PRO) +#define MIDR_APPLE_M1_FIRESTORM_PRO MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM_PRO) +#define MIDR_APPLE_M1_ICESTORM_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM_MAX) +#define MIDR_APPLE_M1_FIRESTORM_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM_MAX) /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */ #define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX @@ -172,7 +180,7 @@ #ifndef __ASSEMBLY__ -#include "sysreg.h" +#include <asm/sysreg.h> #define read_cpuid(reg) read_sysreg_s(SYS_ ## reg) diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h index e17de69faa54..03acc823838a 100644 --- a/tools/arch/x86/include/asm/cpufeatures.h +++ b/tools/arch/x86/include/asm/cpufeatures.h @@ -201,7 +201,7 @@ #define X86_FEATURE_INVPCID_SINGLE ( 7*32+ 7) /* Effectively INVPCID && CR4.PCIDE=1 */ #define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */ #define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */ -/* FREE! ( 7*32+10) */ +#define X86_FEATURE_XCOMPACTED ( 7*32+10) /* "" Use compacted XSTATE (XSAVES or XSAVEC) */ #define X86_FEATURE_PTI ( 7*32+11) /* Kernel Page Table Isolation enabled */ #define X86_FEATURE_RETPOLINE ( 7*32+12) /* "" Generic Retpoline mitigation for Spectre variant 2 */ #define X86_FEATURE_RETPOLINE_LFENCE ( 7*32+13) /* "" Use LFENCE for Spectre variant 2 */ @@ -211,7 +211,7 @@ #define X86_FEATURE_SSBD ( 7*32+17) /* Speculative Store Bypass Disable */ #define X86_FEATURE_MBA ( 7*32+18) /* Memory Bandwidth Allocation */ #define X86_FEATURE_RSB_CTXSW ( 7*32+19) /* "" Fill RSB on context switches */ -/* FREE! ( 7*32+20) */ +#define X86_FEATURE_PERFMON_V2 ( 7*32+20) /* AMD Performance Monitoring Version 2 */ #define X86_FEATURE_USE_IBPB ( 7*32+21) /* "" Indirect Branch Prediction Barrier enabled */ #define X86_FEATURE_USE_IBRS_FW ( 7*32+22) /* "" Use IBRS during runtime firmware calls */ #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23) /* "" Disable Speculative Store Bypass. */ @@ -238,6 +238,7 @@ #define X86_FEATURE_VMW_VMMCALL ( 8*32+19) /* "" VMware prefers VMMCALL hypercall instruction */ #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* "" PV unlock function */ #define X86_FEATURE_VCPUPREEMPT ( 8*32+21) /* "" PV vcpu_is_preempted function */ +#define X86_FEATURE_TDX_GUEST ( 8*32+22) /* Intel Trust Domain Extensions Guest */ /* Intel-defined CPU features, CPUID level 0x00000007:0 (EBX), word 9 */ #define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* RDFSBASE, WRFSBASE, RDGSBASE, WRGSBASE instructions*/ @@ -315,6 +316,7 @@ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ #define X86_FEATURE_CPPC (13*32+27) /* Collaborative Processor Performance Control */ +#define X86_FEATURE_BRS (13*32+31) /* Branch Sampling available */ /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */ #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ @@ -405,6 +407,7 @@ #define X86_FEATURE_SEV (19*32+ 1) /* AMD Secure Encrypted Virtualization */ #define X86_FEATURE_VM_PAGE_FLUSH (19*32+ 2) /* "" VM Page Flush MSR is supported */ #define X86_FEATURE_SEV_ES (19*32+ 3) /* AMD Secure Encrypted Virtualization - Encrypted State */ +#define X86_FEATURE_V_TSC_AUX (19*32+ 9) /* "" Virtual TSC_AUX */ #define X86_FEATURE_SME_COHERENT (19*32+10) /* "" AMD hardware-enforced cache coherency */ /* diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h index 1ae0fab7d902..36369e76cc63 100644 --- a/tools/arch/x86/include/asm/disabled-features.h +++ b/tools/arch/x86/include/asm/disabled-features.h @@ -62,6 +62,12 @@ # define DISABLE_SGX (1 << (X86_FEATURE_SGX & 31)) #endif +#ifdef CONFIG_INTEL_TDX_GUEST +# define DISABLE_TDX_GUEST 0 +#else +# define DISABLE_TDX_GUEST (1 << (X86_FEATURE_TDX_GUEST & 31)) +#endif + /* * Make sure to add features to the correct mask */ @@ -73,7 +79,7 @@ #define DISABLED_MASK5 0 #define DISABLED_MASK6 0 #define DISABLED_MASK7 (DISABLE_PTI) -#define DISABLED_MASK8 0 +#define DISABLED_MASK8 (DISABLE_TDX_GUEST) #define DISABLED_MASK9 (DISABLE_SGX) #define DISABLED_MASK10 0 #define DISABLED_MASK11 0 diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index bf6e96011dfe..21614807a2cb 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -428,11 +428,12 @@ struct kvm_sync_regs { struct kvm_vcpu_events events; }; -#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) -#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) -#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) -#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) -#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) +#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) +#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) +#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) +#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) +#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) +#define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5) #define KVM_STATE_NESTED_FORMAT_VMX 0 #define KVM_STATE_NESTED_FORMAT_SVM 1 diff --git a/tools/arch/x86/include/uapi/asm/svm.h b/tools/arch/x86/include/uapi/asm/svm.h index efa969325ede..f69c168391aa 100644 --- a/tools/arch/x86/include/uapi/asm/svm.h +++ b/tools/arch/x86/include/uapi/asm/svm.h @@ -108,6 +108,14 @@ #define SVM_VMGEXIT_AP_JUMP_TABLE 0x80000005 #define SVM_VMGEXIT_SET_AP_JUMP_TABLE 0 #define SVM_VMGEXIT_GET_AP_JUMP_TABLE 1 +#define SVM_VMGEXIT_PSC 0x80000010 +#define SVM_VMGEXIT_GUEST_REQUEST 0x80000011 +#define SVM_VMGEXIT_EXT_GUEST_REQUEST 0x80000012 +#define SVM_VMGEXIT_AP_CREATION 0x80000013 +#define SVM_VMGEXIT_AP_CREATE_ON_INIT 0 +#define SVM_VMGEXIT_AP_CREATE 1 +#define SVM_VMGEXIT_AP_DESTROY 2 +#define SVM_VMGEXIT_HV_FEATURES 0x8000fffd #define SVM_VMGEXIT_UNSUPPORTED_EVENT 0x8000ffff /* Exit code reserved for hypervisor/software use */ @@ -218,6 +226,11 @@ { SVM_VMGEXIT_NMI_COMPLETE, "vmgexit_nmi_complete" }, \ { SVM_VMGEXIT_AP_HLT_LOOP, "vmgexit_ap_hlt_loop" }, \ { SVM_VMGEXIT_AP_JUMP_TABLE, "vmgexit_ap_jump_table" }, \ + { SVM_VMGEXIT_PSC, "vmgexit_page_state_change" }, \ + { SVM_VMGEXIT_GUEST_REQUEST, "vmgexit_guest_request" }, \ + { SVM_VMGEXIT_EXT_GUEST_REQUEST, "vmgexit_ext_guest_request" }, \ + { SVM_VMGEXIT_AP_CREATION, "vmgexit_ap_creation" }, \ + { SVM_VMGEXIT_HV_FEATURES, "vmgexit_hypervisor_feature" }, \ { SVM_EXIT_ERR, "invalid_guest_state" } diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h index 05c3642aaece..a2def7b27009 100644 --- a/tools/include/uapi/drm/i915_drm.h +++ b/tools/include/uapi/drm/i915_drm.h @@ -154,25 +154,77 @@ enum i915_mocs_table_index { I915_MOCS_CACHED, }; -/* +/** + * enum drm_i915_gem_engine_class - uapi engine type enumeration + * * Different engines serve different roles, and there may be more than one - * engine serving each role. enum drm_i915_gem_engine_class provides a - * classification of the role of the engine, which may be used when requesting - * operations to be performed on a certain subset of engines, or for providing - * information about that group. + * engine serving each role. This enum provides a classification of the role + * of the engine, which may be used when requesting operations to be performed + * on a certain subset of engines, or for providing information about that + * group. */ enum drm_i915_gem_engine_class { + /** + * @I915_ENGINE_CLASS_RENDER: + * + * Render engines support instructions used for 3D, Compute (GPGPU), + * and programmable media workloads. These instructions fetch data and + * dispatch individual work items to threads that operate in parallel. + * The threads run small programs (called "kernels" or "shaders") on + * the GPU's execution units (EUs). + */ I915_ENGINE_CLASS_RENDER = 0, + + /** + * @I915_ENGINE_CLASS_COPY: + * + * Copy engines (also referred to as "blitters") support instructions + * that move blocks of data from one location in memory to another, + * or that fill a specified location of memory with fixed data. + * Copy engines can perform pre-defined logical or bitwise operations + * on the source, destination, or pattern data. + */ I915_ENGINE_CLASS_COPY = 1, + + /** + * @I915_ENGINE_CLASS_VIDEO: + * + * Video engines (also referred to as "bit stream decode" (BSD) or + * "vdbox") support instructions that perform fixed-function media + * decode and encode. + */ I915_ENGINE_CLASS_VIDEO = 2, + + /** + * @I915_ENGINE_CLASS_VIDEO_ENHANCE: + * + * Video enhancement engines (also referred to as "vebox") support + * instructions related to image enhancement. + */ I915_ENGINE_CLASS_VIDEO_ENHANCE = 3, - /* should be kept compact */ + /** + * @I915_ENGINE_CLASS_COMPUTE: + * + * Compute engines support a subset of the instructions available + * on render engines: compute engines support Compute (GPGPU) and + * programmable media workloads, but do not support the 3D pipeline. + */ + I915_ENGINE_CLASS_COMPUTE = 4, + + /* Values in this enum should be kept compact. */ + /** + * @I915_ENGINE_CLASS_INVALID: + * + * Placeholder value to represent an invalid engine class assignment. + */ I915_ENGINE_CLASS_INVALID = -1 }; -/* +/** + * struct i915_engine_class_instance - Engine class/instance identifier + * * There may be more than one engine fulfilling any role within the system. * Each engine of a class is given a unique instance number and therefore * any engine can be specified by its class:instance tuplet. APIs that allow @@ -180,10 +232,21 @@ enum drm_i915_gem_engine_class { * for this identification. */ struct i915_engine_class_instance { - __u16 engine_class; /* see enum drm_i915_gem_engine_class */ - __u16 engine_instance; + /** + * @engine_class: + * + * Engine class from enum drm_i915_gem_engine_class + */ + __u16 engine_class; #define I915_ENGINE_CLASS_INVALID_NONE -1 #define I915_ENGINE_CLASS_INVALID_VIRTUAL -2 + + /** + * @engine_instance: + * + * Engine instance. + */ + __u16 engine_instance; }; /** @@ -2657,24 +2720,65 @@ enum drm_i915_perf_record_type { DRM_I915_PERF_RECORD_MAX /* non-ABI */ }; -/* +/** + * struct drm_i915_perf_oa_config + * * Structure to upload perf dynamic configuration into the kernel. */ struct drm_i915_perf_oa_config { - /** String formatted like "%08x-%04x-%04x-%04x-%012x" */ + /** + * @uuid: + * + * String formatted like "%\08x-%\04x-%\04x-%\04x-%\012x" + */ char uuid[36]; + /** + * @n_mux_regs: + * + * Number of mux regs in &mux_regs_ptr. + */ __u32 n_mux_regs; + + /** + * @n_boolean_regs: + * + * Number of boolean regs in &boolean_regs_ptr. + */ __u32 n_boolean_regs; + + /** + * @n_flex_regs: + * + * Number of flex regs in &flex_regs_ptr. + */ __u32 n_flex_regs; - /* - * These fields are pointers to tuples of u32 values (register address, - * value). For example the expected length of the buffer pointed by - * mux_regs_ptr is (2 * sizeof(u32) * n_mux_regs). + /** + * @mux_regs_ptr: + * + * Pointer to tuples of u32 values (register address, value) for mux + * registers. Expected length of buffer is (2 * sizeof(u32) * + * &n_mux_regs). */ __u64 mux_regs_ptr; + + /** + * @boolean_regs_ptr: + * + * Pointer to tuples of u32 values (register address, value) for mux + * registers. Expected length of buffer is (2 * sizeof(u32) * + * &n_boolean_regs). + */ __u64 boolean_regs_ptr; + + /** + * @flex_regs_ptr: + * + * Pointer to tuples of u32 values (register address, value) for mux + * registers. Expected length of buffer is (2 * sizeof(u32) * + * &n_flex_regs). + */ __u64 flex_regs_ptr; }; @@ -2685,12 +2789,24 @@ struct drm_i915_perf_oa_config { * @data_ptr is also depends on the specific @query_id. */ struct drm_i915_query_item { - /** @query_id: The id for this query */ + /** + * @query_id: + * + * The id for this query. Currently accepted query IDs are: + * - %DRM_I915_QUERY_TOPOLOGY_INFO (see struct drm_i915_query_topology_info) + * - %DRM_I915_QUERY_ENGINE_INFO (see struct drm_i915_engine_info) + * - %DRM_I915_QUERY_PERF_CONFIG (see struct drm_i915_query_perf_config) + * - %DRM_I915_QUERY_MEMORY_REGIONS (see struct drm_i915_query_memory_regions) + * - %DRM_I915_QUERY_HWCONFIG_BLOB (see `GuC HWCONFIG blob uAPI`) + * - %DRM_I915_QUERY_GEOMETRY_SUBSLICES (see struct drm_i915_query_topology_info) + */ __u64 query_id; -#define DRM_I915_QUERY_TOPOLOGY_INFO 1 -#define DRM_I915_QUERY_ENGINE_INFO 2 -#define DRM_I915_QUERY_PERF_CONFIG 3 -#define DRM_I915_QUERY_MEMORY_REGIONS 4 +#define DRM_I915_QUERY_TOPOLOGY_INFO 1 +#define DRM_I915_QUERY_ENGINE_INFO 2 +#define DRM_I915_QUERY_PERF_CONFIG 3 +#define DRM_I915_QUERY_MEMORY_REGIONS 4 +#define DRM_I915_QUERY_HWCONFIG_BLOB 5 +#define DRM_I915_QUERY_GEOMETRY_SUBSLICES 6 /* Must be kept compact -- no holes and well documented */ /** @@ -2706,14 +2822,17 @@ struct drm_i915_query_item { /** * @flags: * - * When query_id == DRM_I915_QUERY_TOPOLOGY_INFO, must be 0. + * When &query_id == %DRM_I915_QUERY_TOPOLOGY_INFO, must be 0. * - * When query_id == DRM_I915_QUERY_PERF_CONFIG, must be one of the + * When &query_id == %DRM_I915_QUERY_PERF_CONFIG, must be one of the * following: * - * - DRM_I915_QUERY_PERF_CONFIG_LIST - * - DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID - * - DRM_I915_QUERY_PERF_CONFIG_FOR_UUID + * - %DRM_I915_QUERY_PERF_CONFIG_LIST + * - %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID + * - %DRM_I915_QUERY_PERF_CONFIG_FOR_UUID + * + * When &query_id == %DRM_I915_QUERY_GEOMETRY_SUBSLICES must contain + * a struct i915_engine_class_instance that references a render engine. */ __u32 flags; #define DRM_I915_QUERY_PERF_CONFIG_LIST 1 @@ -2771,66 +2890,112 @@ struct drm_i915_query { __u64 items_ptr; }; -/* - * Data written by the kernel with query DRM_I915_QUERY_TOPOLOGY_INFO : - * - * data: contains the 3 pieces of information : - * - * - the slice mask with one bit per slice telling whether a slice is - * available. The availability of slice X can be queried with the following - * formula : - * - * (data[X / 8] >> (X % 8)) & 1 - * - * - the subslice mask for each slice with one bit per subslice telling - * whether a subslice is available. Gen12 has dual-subslices, which are - * similar to two gen11 subslices. For gen12, this array represents dual- - * subslices. The availability of subslice Y in slice X can be queried - * with the following formula : - * - * (data[subslice_offset + - * X * subslice_stride + - * Y / 8] >> (Y % 8)) & 1 - * - * - the EU mask for each subslice in each slice with one bit per EU telling - * whether an EU is available. The availability of EU Z in subslice Y in - * slice X can be queried with the following formula : +/** + * struct drm_i915_query_topology_info * - * (data[eu_offset + - * (X * max_subslices + Y) * eu_stride + - * Z / 8] >> (Z % 8)) & 1 + * Describes slice/subslice/EU information queried by + * %DRM_I915_QUERY_TOPOLOGY_INFO */ struct drm_i915_query_topology_info { - /* + /** + * @flags: + * * Unused for now. Must be cleared to zero. */ __u16 flags; + /** + * @max_slices: + * + * The number of bits used to express the slice mask. + */ __u16 max_slices; + + /** + * @max_subslices: + * + * The number of bits used to express the subslice mask. + */ __u16 max_subslices; + + /** + * @max_eus_per_subslice: + * + * The number of bits in the EU mask that correspond to a single + * subslice's EUs. + */ __u16 max_eus_per_subslice; - /* + /** + * @subslice_offset: + * * Offset in data[] at which the subslice masks are stored. */ __u16 subslice_offset; - /* + /** + * @subslice_stride: + * * Stride at which each of the subslice masks for each slice are * stored. */ __u16 subslice_stride; - /* + /** + * @eu_offset: + * * Offset in data[] at which the EU masks are stored. */ __u16 eu_offset; - /* + /** + * @eu_stride: + * * Stride at which each of the EU masks for each subslice are stored. */ __u16 eu_stride; + /** + * @data: + * + * Contains 3 pieces of information : + * + * - The slice mask with one bit per slice telling whether a slice is + * available. The availability of slice X can be queried with the + * following formula : + * + * .. code:: c + * + * (data[X / 8] >> (X % 8)) & 1 + * + * Starting with Xe_HP platforms, Intel hardware no longer has + * traditional slices so i915 will always report a single slice + * (hardcoded slicemask = 0x1) which contains all of the platform's + * subslices. I.e., the mask here does not reflect any of the newer + * hardware concepts such as "gslices" or "cslices" since userspace + * is capable of inferring those from the subslice mask. + * + * - The subslice mask for each slice with one bit per subslice telling + * whether a subslice is available. Starting with Gen12 we use the + * term "subslice" to refer to what the hardware documentation + * describes as a "dual-subslices." The availability of subslice Y + * in slice X can be queried with the following formula : + * + * .. code:: c + * + * (data[subslice_offset + X * subslice_stride + Y / 8] >> (Y % 8)) & 1 + * + * - The EU mask for each subslice in each slice, with one bit per EU + * telling whether an EU is available. The availability of EU Z in + * subslice Y in slice X can be queried with the following formula : + * + * .. code:: c + * + * (data[eu_offset + + * (X * max_subslices + Y) * eu_stride + + * Z / 8 + * ] >> (Z % 8)) & 1 + */ __u8 data[]; }; @@ -2951,52 +3116,68 @@ struct drm_i915_query_engine_info { struct drm_i915_engine_info engines[]; }; -/* - * Data written by the kernel with query DRM_I915_QUERY_PERF_CONFIG. +/** + * struct drm_i915_query_perf_config + * + * Data written by the kernel with query %DRM_I915_QUERY_PERF_CONFIG and + * %DRM_I915_QUERY_GEOMETRY_SUBSLICES. */ struct drm_i915_query_perf_config { union { - /* - * When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_LIST, i915 sets - * this fields to the number of configurations available. + /** + * @n_configs: + * + * When &drm_i915_query_item.flags == + * %DRM_I915_QUERY_PERF_CONFIG_LIST, i915 sets this fields to + * the number of configurations available. */ __u64 n_configs; - /* - * When query_id == DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_ID, - * i915 will use the value in this field as configuration - * identifier to decide what data to write into config_ptr. + /** + * @config: + * + * When &drm_i915_query_item.flags == + * %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_ID, i915 will use the + * value in this field as configuration identifier to decide + * what data to write into config_ptr. */ __u64 config; - /* - * When query_id == DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID, - * i915 will use the value in this field as configuration - * identifier to decide what data to write into config_ptr. + /** + * @uuid: + * + * When &drm_i915_query_item.flags == + * %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID, i915 will use the + * value in this field as configuration identifier to decide + * what data to write into config_ptr. * * String formatted like "%08x-%04x-%04x-%04x-%012x" */ char uuid[36]; }; - /* + /** + * @flags: + * * Unused for now. Must be cleared to zero. */ __u32 flags; - /* - * When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_LIST, i915 will - * write an array of __u64 of configuration identifiers. + /** + * @data: * - * When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_DATA, i915 will - * write a struct drm_i915_perf_oa_config. If the following fields of - * drm_i915_perf_oa_config are set not set to 0, i915 will write into - * the associated pointers the values of submitted when the + * When &drm_i915_query_item.flags == %DRM_I915_QUERY_PERF_CONFIG_LIST, + * i915 will write an array of __u64 of configuration identifiers. + * + * When &drm_i915_query_item.flags == %DRM_I915_QUERY_PERF_CONFIG_DATA, + * i915 will write a struct drm_i915_perf_oa_config. If the following + * fields of struct drm_i915_perf_oa_config are not set to 0, i915 will + * write into the associated pointers the values of submitted when the * configuration was created : * - * - n_mux_regs - * - n_boolean_regs - * - n_flex_regs + * - &drm_i915_perf_oa_config.n_mux_regs + * - &drm_i915_perf_oa_config.n_boolean_regs + * - &drm_i915_perf_oa_config.n_flex_regs */ __u8 data[]; }; @@ -3135,6 +3316,16 @@ struct drm_i915_query_memory_regions { }; /** + * DOC: GuC HWCONFIG blob uAPI + * + * The GuC produces a blob with information about the current device. + * i915 reads this blob from GuC and makes it available via this uAPI. + * + * The format and meaning of the blob content are documented in the + * Programmer's Reference Manual. + */ + +/** * struct drm_i915_gem_create_ext - Existing gem_create behaviour, with added * extension support using struct i915_user_extension. * diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h index e998764f0262..a5e06dcbba13 100644 --- a/tools/include/uapi/linux/prctl.h +++ b/tools/include/uapi/linux/prctl.h @@ -272,6 +272,15 @@ struct prctl_mm_map { # define PR_SCHED_CORE_SCOPE_THREAD_GROUP 1 # define PR_SCHED_CORE_SCOPE_PROCESS_GROUP 2 +/* arm64 Scalable Matrix Extension controls */ +/* Flag values must be in sync with SVE versions */ +#define PR_SME_SET_VL 63 /* set task vector length */ +# define PR_SME_SET_VL_ONEXEC (1 << 18) /* defer effect until exec */ +#define PR_SME_GET_VL 64 /* get task vector length */ +/* Bits common to PR_SME_SET_VL and PR_SME_GET_VL */ +# define PR_SME_VL_LEN_MASK 0xffff +# define PR_SME_VL_INHERIT (1 << 17) /* inherit across exec */ + #define PR_SET_VMA 0x53564d41 # define PR_SET_VMA_ANON_NAME 0 diff --git a/tools/include/uapi/linux/vhost.h b/tools/include/uapi/linux/vhost.h index 5d99e7c242a2..cab645d4a645 100644 --- a/tools/include/uapi/linux/vhost.h +++ b/tools/include/uapi/linux/vhost.h @@ -89,11 +89,6 @@ /* Set or get vhost backend capability */ -/* Use message type V2 */ -#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1 -/* IOTLB can accept batching hints */ -#define VHOST_BACKEND_F_IOTLB_BATCH 0x2 - #define VHOST_SET_BACKEND_FEATURES _IOW(VHOST_VIRTIO, 0x25, __u64) #define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64) @@ -150,11 +145,30 @@ /* Get the valid iova range */ #define VHOST_VDPA_GET_IOVA_RANGE _IOR(VHOST_VIRTIO, 0x78, \ struct vhost_vdpa_iova_range) - /* Get the config size */ #define VHOST_VDPA_GET_CONFIG_SIZE _IOR(VHOST_VIRTIO, 0x79, __u32) /* Get the count of all virtqueues */ #define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32) +/* Get the number of virtqueue groups. */ +#define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x81, __u32) + +/* Get the number of address spaces. */ +#define VHOST_VDPA_GET_AS_NUM _IOR(VHOST_VIRTIO, 0x7A, unsigned int) + +/* Get the group for a virtqueue: read index, write group in num, + * The virtqueue index is stored in the index field of + * vhost_vring_state. The group for this specific virtqueue is + * returned via num field of vhost_vring_state. + */ +#define VHOST_VDPA_GET_VRING_GROUP _IOWR(VHOST_VIRTIO, 0x7B, \ + struct vhost_vring_state) +/* Set the ASID for a virtqueue group. The group index is stored in + * the index field of vhost_vring_state, the ASID associated with this + * group is stored at num field of vhost_vring_state. + */ +#define VHOST_VDPA_SET_GROUP_ASID _IOW(VHOST_VIRTIO, 0x7C, \ + struct vhost_vring_state) + #endif diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat index 5a5bd74f55bd..9c366b3a676d 100755 --- a/tools/kvm/kvm_stat/kvm_stat +++ b/tools/kvm/kvm_stat/kvm_stat @@ -1646,7 +1646,8 @@ Press any other key to refresh statistics immediately. .format(values)) if len(pids) > 1: sys.exit('Error: Multiple processes found (pids: {}). Use "-p"' - ' to specify the desired pid'.format(" ".join(pids))) + ' to specify the desired pid' + .format(" ".join(map(str, pids)))) namespace.pid = pids[0] argparser = argparse.ArgumentParser(description=description_text, diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c index c1d58673f6ef..952f3520d5c2 100644 --- a/tools/lib/perf/evsel.c +++ b/tools/lib/perf/evsel.c @@ -149,23 +149,30 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus, int fd, group_fd, *evsel_fd; evsel_fd = FD(evsel, idx, thread); - if (evsel_fd == NULL) - return -EINVAL; + if (evsel_fd == NULL) { + err = -EINVAL; + goto out; + } err = get_group_fd(evsel, idx, thread, &group_fd); if (err < 0) - return err; + goto out; fd = sys_perf_event_open(&evsel->attr, threads->map[thread].pid, cpu, group_fd, 0); - if (fd < 0) - return -errno; + if (fd < 0) { + err = -errno; + goto out; + } *evsel_fd = fd; } } +out: + if (err) + perf_evsel__close(evsel); return err; } diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index a75bf11585b5..54d4e508a092 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -891,7 +891,9 @@ static int copy_kcore_dir(struct perf_inject *inject) if (ret < 0) return ret; pr_debug("%s\n", cmd); - return system(cmd); + ret = system(cmd); + free(cmd); + return ret; } static int output_fd(struct perf_inject *inject) @@ -916,7 +918,7 @@ static int __cmd_inject(struct perf_inject *inject) inject->tool.tracing_data = perf_event__repipe_tracing_data; } - output_data_offset = session->header.data_offset; + output_data_offset = perf_session__data_offset(session->evlist); if (inject->build_id_all) { inject->tool.mmap = perf_event__repipe_buildid_mmap; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 4ce87a8eb7d7..d2ecd4d29624 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -2586,6 +2586,8 @@ int cmd_stat(int argc, const char **argv) if (evlist__initialize_ctlfd(evsel_list, stat_config.ctl_fd, stat_config.ctl_fd_ack)) goto out; + /* Enable ignoring missing threads when -p option is defined. */ + evlist__first(evsel_list)->ignore_missing_thread = target.pid; status = 0; for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) { if (stat_config.run_count != 1 && verbose > 0) diff --git a/tools/perf/tests/bp_account.c b/tools/perf/tests/bp_account.c index d1ebb5561e5b..6f921db33cf9 100644 --- a/tools/perf/tests/bp_account.c +++ b/tools/perf/tests/bp_account.c @@ -151,11 +151,21 @@ static int detect_ioctl(void) static int detect_share(int wp_cnt, int bp_cnt) { struct perf_event_attr attr; - int i, fd[wp_cnt + bp_cnt], ret; + int i, *fd = NULL, ret = -1; + + if (wp_cnt + bp_cnt == 0) + return 0; + + fd = malloc(sizeof(int) * (wp_cnt + bp_cnt)); + if (!fd) + return -1; for (i = 0; i < wp_cnt; i++) { fd[i] = wp_event((void *)&the_var, &attr); - TEST_ASSERT_VAL("failed to create wp\n", fd[i] != -1); + if (fd[i] == -1) { + pr_err("failed to create wp\n"); + goto out; + } } for (; i < (bp_cnt + wp_cnt); i++) { @@ -166,9 +176,11 @@ static int detect_share(int wp_cnt, int bp_cnt) ret = i != (bp_cnt + wp_cnt); +out: while (i--) close(fd[i]); + free(fd); return ret; } diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c index d54c5371c6a6..5c0032fe93ae 100644 --- a/tools/perf/tests/expr.c +++ b/tools/perf/tests/expr.c @@ -97,6 +97,8 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u ret |= test(ctx, "2.2 > 2.2", 0); ret |= test(ctx, "2.2 < 1.1", 0); ret |= test(ctx, "1.1 > 2.2", 0); + ret |= test(ctx, "1.1e10 < 1.1e100", 1); + ret |= test(ctx, "1.1e2 > 1.1e-2", 1); if (ret) { expr__ctx_free(ctx); diff --git a/tools/perf/tests/shell/lib/perf_csv_output_lint.py b/tools/perf/tests/shell/lib/perf_csv_output_lint.py deleted file mode 100644 index 714f283cfb1b..000000000000 --- a/tools/perf/tests/shell/lib/perf_csv_output_lint.py +++ /dev/null @@ -1,48 +0,0 @@ -#!/usr/bin/python -# SPDX-License-Identifier: GPL-2.0 - -import argparse -import sys - -# Basic sanity check of perf CSV output as specified in the man page. -# Currently just checks the number of fields per line in output. - -ap = argparse.ArgumentParser() -ap.add_argument('--no-args', action='store_true') -ap.add_argument('--interval', action='store_true') -ap.add_argument('--system-wide-no-aggr', action='store_true') -ap.add_argument('--system-wide', action='store_true') -ap.add_argument('--event', action='store_true') -ap.add_argument('--per-core', action='store_true') -ap.add_argument('--per-thread', action='store_true') -ap.add_argument('--per-die', action='store_true') -ap.add_argument('--per-node', action='store_true') -ap.add_argument('--per-socket', action='store_true') -ap.add_argument('--separator', default=',', nargs='?') -args = ap.parse_args() - -Lines = sys.stdin.readlines() - -def check_csv_output(exp): - for line in Lines: - if 'failed' not in line: - count = line.count(args.separator) - if count != exp: - sys.stdout.write(''.join(Lines)) - raise RuntimeError(f'wrong number of fields. expected {exp} in {line}') - -try: - if args.no_args or args.system_wide or args.event: - expected_items = 6 - elif args.interval or args.per_thread or args.system_wide_no_aggr: - expected_items = 7 - elif args.per_core or args.per_socket or args.per_node or args.per_die: - expected_items = 8 - else: - ap.print_help() - raise RuntimeError('No checking option specified') - check_csv_output(expected_items) - -except: - sys.stdout.write('Test failed for input: ' + ''.join(Lines)) - raise diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh index 983220ef3cb4..38c26f3ef4c1 100755 --- a/tools/perf/tests/shell/stat+csv_output.sh +++ b/tools/perf/tests/shell/stat+csv_output.sh @@ -6,20 +6,41 @@ set -e -pythonchecker=$(dirname $0)/lib/perf_csv_output_lint.py -if [ "x$PYTHON" == "x" ] -then - if which python3 > /dev/null - then - PYTHON=python3 - elif which python > /dev/null - then - PYTHON=python - else - echo Skipping test, python not detected please set environment variable PYTHON. - exit 2 - fi -fi +function commachecker() +{ + local -i cnt=0 exp=0 + + case "$1" + in "--no-args") exp=6 + ;; "--system-wide") exp=6 + ;; "--event") exp=6 + ;; "--interval") exp=7 + ;; "--per-thread") exp=7 + ;; "--system-wide-no-aggr") exp=7 + [ $(uname -m) = "s390x" ] && exp=6 + ;; "--per-core") exp=8 + ;; "--per-socket") exp=8 + ;; "--per-node") exp=8 + ;; "--per-die") exp=8 + esac + + while read line + do + # Check for lines beginning with Failed + x=${line:0:6} + [ "$x" = "Failed" ] && continue + + # Count the number of commas + x=$(echo $line | tr -d -c ',') + cnt="${#x}" + # echo $line $cnt + [ "$cnt" -ne "$exp" ] && { + echo "wrong number of fields. expected $exp in $line" 1>&2 + exit 1; + } + done + return 0 +} # Return true if perf_event_paranoid is > $1 and not running as root. function ParanoidAndNotRoot() @@ -30,7 +51,7 @@ function ParanoidAndNotRoot() check_no_args() { echo -n "Checking CSV output: no args " - perf stat -x, true 2>&1 | $PYTHON $pythonchecker --no-args + perf stat -x, true 2>&1 | commachecker --no-args echo "[Success]" } @@ -42,7 +63,7 @@ check_system_wide() echo "[Skip] paranoid and not root" return fi - perf stat -x, -a true 2>&1 | $PYTHON $pythonchecker --system-wide + perf stat -x, -a true 2>&1 | commachecker --system-wide echo "[Success]" } @@ -55,14 +76,14 @@ check_system_wide_no_aggr() return fi echo -n "Checking CSV output: system wide no aggregation " - perf stat -x, -A -a --no-merge true 2>&1 | $PYTHON $pythonchecker --system-wide-no-aggr + perf stat -x, -A -a --no-merge true 2>&1 | commachecker --system-wide-no-aggr echo "[Success]" } check_interval() { echo -n "Checking CSV output: interval " - perf stat -x, -I 1000 true 2>&1 | $PYTHON $pythonchecker --interval + perf stat -x, -I 1000 true 2>&1 | commachecker --interval echo "[Success]" } @@ -70,7 +91,7 @@ check_interval() check_event() { echo -n "Checking CSV output: event " - perf stat -x, -e cpu-clock true 2>&1 | $PYTHON $pythonchecker --event + perf stat -x, -e cpu-clock true 2>&1 | commachecker --event echo "[Success]" } @@ -82,7 +103,7 @@ check_per_core() echo "[Skip] paranoid and not root" return fi - perf stat -x, --per-core -a true 2>&1 | $PYTHON $pythonchecker --per-core + perf stat -x, --per-core -a true 2>&1 | commachecker --per-core echo "[Success]" } @@ -94,7 +115,7 @@ check_per_thread() echo "[Skip] paranoid and not root" return fi - perf stat -x, --per-thread -a true 2>&1 | $PYTHON $pythonchecker --per-thread + perf stat -x, --per-thread -a true 2>&1 | commachecker --per-thread echo "[Success]" } @@ -106,7 +127,7 @@ check_per_die() echo "[Skip] paranoid and not root" return fi - perf stat -x, --per-die -a true 2>&1 | $PYTHON $pythonchecker --per-die + perf stat -x, --per-die -a true 2>&1 | commachecker --per-die echo "[Success]" } @@ -118,7 +139,7 @@ check_per_node() echo "[Skip] paranoid and not root" return fi - perf stat -x, --per-node -a true 2>&1 | $PYTHON $pythonchecker --per-node + perf stat -x, --per-node -a true 2>&1 | commachecker --per-node echo "[Success]" } @@ -130,7 +151,7 @@ check_per_socket() echo "[Skip] paranoid and not root" return fi - perf stat -x, --per-socket -a true 2>&1 | $PYTHON $pythonchecker --per-socket + perf stat -x, --per-socket -a true 2>&1 | commachecker --per-socket echo "[Success]" } diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh index 6ffbb27afaba..ec108d45d3c6 100755 --- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh +++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh @@ -43,7 +43,7 @@ CFLAGS="-g -O0 -fno-inline -fno-omit-frame-pointer" cc $CFLAGS $TEST_PROGRAM_SOURCE -o $TEST_PROGRAM || exit 1 # Add a 1 second delay to skip samples that are not in the leaf() function -perf record -o $PERF_DATA --call-graph fp -e cycles//u -D 1000 -- $TEST_PROGRAM 2> /dev/null & +perf record -o $PERF_DATA --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null & PID=$! echo " + Recording (PID=$PID)..." diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c index d23a9e322ff5..0b4f61b6cc6b 100644 --- a/tools/perf/tests/topology.c +++ b/tools/perf/tests/topology.c @@ -115,7 +115,7 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map) * physical_package_id will be set to -1. Hence skip this * test if physical_package_id returns -1 for cpu from perf_cpu_map. */ - if (strncmp(session->header.env.arch, "powerpc", 7)) { + if (!strncmp(session->header.env.arch, "ppc64le", 7)) { if (cpu__get_socket_id(perf_cpu_map__cpu(map, 0)) == -1) return TEST_SKIP; } diff --git a/tools/perf/trace/beauty/arch_errno_names.sh b/tools/perf/trace/beauty/arch_errno_names.sh index 2c5f72fa8108..37c53bac5f56 100755 --- a/tools/perf/trace/beauty/arch_errno_names.sh +++ b/tools/perf/trace/beauty/arch_errno_names.sh @@ -33,23 +33,13 @@ create_errno_lookup_func() local arch=$(arch_string "$1") local nr name - cat <<EoFuncBegin -static const char *errno_to_name__$arch(int err) -{ - switch (err) { -EoFuncBegin + printf "static const char *errno_to_name__%s(int err)\n{\n\tswitch (err) {\n" $arch while read name nr; do printf '\tcase %d: return "%s";\n' $nr $name done - cat <<EoFuncEnd - default: - return "(unknown)"; - } -} - -EoFuncEnd + printf '\tdefault: return "(unknown)";\n\t}\n}\n' } process_arch() diff --git a/tools/perf/trace/beauty/include/linux/socket.h b/tools/perf/trace/beauty/include/linux/socket.h index 6f85f5d957ef..17311ad9f9af 100644 --- a/tools/perf/trace/beauty/include/linux/socket.h +++ b/tools/perf/trace/beauty/include/linux/socket.h @@ -50,6 +50,9 @@ struct linger { struct msghdr { void *msg_name; /* ptr to socket address structure */ int msg_namelen; /* size of socket address structure */ + + int msg_inq; /* output, data left in socket */ + struct iov_iter msg_iter; /* data */ /* @@ -62,8 +65,9 @@ struct msghdr { void __user *msg_control_user; }; bool msg_control_is_user : 1; - __kernel_size_t msg_controllen; /* ancillary data buffer length */ + bool msg_get_inq : 1;/* return INQ after receive */ unsigned int msg_flags; /* flags on received message */ + __kernel_size_t msg_controllen; /* ancillary data buffer length */ struct kiocb *msg_iocb; /* ptr to iocb for async requests */ }; @@ -434,6 +438,7 @@ extern struct file *do_accept(struct file *file, unsigned file_flags, extern int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags); extern int __sys_socket(int family, int type, int protocol); +extern struct file *__sys_socket_file(int family, int type, int protocol); extern int __sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen); extern int __sys_connect_file(struct file *file, struct sockaddr_storage *addr, int addrlen, int file_flags); diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c index 1a80151baed9..d040406f3314 100644 --- a/tools/perf/util/arm-spe.c +++ b/tools/perf/util/arm-spe.c @@ -387,26 +387,16 @@ static int arm_spe__synth_instruction_sample(struct arm_spe_queue *speq, return arm_spe_deliver_synth_event(spe, speq, event, &sample); } -#define SPE_MEM_TYPE (ARM_SPE_L1D_ACCESS | ARM_SPE_L1D_MISS | \ - ARM_SPE_LLC_ACCESS | ARM_SPE_LLC_MISS | \ - ARM_SPE_REMOTE_ACCESS) - -static bool arm_spe__is_memory_event(enum arm_spe_sample_type type) -{ - if (type & SPE_MEM_TYPE) - return true; - - return false; -} - static u64 arm_spe__synth_data_source(const struct arm_spe_record *record) { union perf_mem_data_src data_src = { 0 }; if (record->op == ARM_SPE_LD) data_src.mem_op = PERF_MEM_OP_LOAD; - else + else if (record->op == ARM_SPE_ST) data_src.mem_op = PERF_MEM_OP_STORE; + else + return 0; if (record->type & (ARM_SPE_LLC_ACCESS | ARM_SPE_LLC_MISS)) { data_src.mem_lvl = PERF_MEM_LVL_L3; @@ -510,7 +500,11 @@ static int arm_spe_sample(struct arm_spe_queue *speq) return err; } - if (spe->sample_memory && arm_spe__is_memory_event(record->type)) { + /* + * When data_src is zero it means the record is not a memory operation, + * skip to synthesize memory sample for this case. + */ + if (spe->sample_memory && data_src) { err = arm_spe__synth_mem_sample(speq, spe->memory_id, data_src); if (err) return err; diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 82f3d46bea70..328668f38c69 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -872,6 +872,30 @@ out_free: return err; } +static int filename__read_build_id_ns(const char *filename, + struct build_id *bid, + struct nsinfo *nsi) +{ + struct nscookie nsc; + int ret; + + nsinfo__mountns_enter(nsi, &nsc); + ret = filename__read_build_id(filename, bid); + nsinfo__mountns_exit(&nsc); + + return ret; +} + +static bool dso__build_id_mismatch(struct dso *dso, const char *name) +{ + struct build_id bid; + + if (filename__read_build_id_ns(name, &bid, dso->nsinfo) < 0) + return false; + + return !dso__build_id_equal(dso, &bid); +} + static int dso__cache_build_id(struct dso *dso, struct machine *machine, void *priv __maybe_unused) { @@ -886,6 +910,10 @@ static int dso__cache_build_id(struct dso *dso, struct machine *machine, is_kallsyms = true; name = machine->mmap_name; } + + if (!is_kallsyms && dso__build_id_mismatch(dso, name)) + return 0; + return build_id_cache__add_b(&dso->bid, name, dso->nsinfo, is_kallsyms, is_vdso); } diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l index 0a13eb20c814..4dc8edbfd9ce 100644 --- a/tools/perf/util/expr.l +++ b/tools/perf/util/expr.l @@ -91,7 +91,7 @@ static int literal(yyscan_t scanner) } %} -number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+) +number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+)(e-?[0-9]+)? sch [-,=] spec \\{sch} diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 53332da100e8..6ad629db63b7 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -3686,6 +3686,20 @@ int perf_session__write_header(struct perf_session *session, return perf_session__do_write_header(session, evlist, fd, at_exit, NULL); } +size_t perf_session__data_offset(const struct evlist *evlist) +{ + struct evsel *evsel; + size_t data_offset; + + data_offset = sizeof(struct perf_file_header); + evlist__for_each_entry(evlist, evsel) { + data_offset += evsel->core.ids * sizeof(u64); + } + data_offset += evlist->core.nr_entries * sizeof(struct perf_file_attr); + + return data_offset; +} + int perf_session__inject_header(struct perf_session *session, struct evlist *evlist, int fd, diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 08563c1f1bff..56916dabce7b 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -136,6 +136,8 @@ int perf_session__inject_header(struct perf_session *session, int fd, struct feat_copier *fc); +size_t perf_session__data_offset(const struct evlist *evlist); + void perf_header__set_feat(struct perf_header *header, int feat); void perf_header__clear_feat(struct perf_header *header, int feat); bool perf_header__has_feat(const struct perf_header *header, int feat); diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index ee8fcfa115e5..8f7baeabc5cf 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -1372,6 +1372,7 @@ static int parse_ids(bool metric_no_merge, struct perf_pmu *fake_pmu, *out_evlist = NULL; if (!metric_no_merge || hashmap__size(ids->ids) == 0) { + bool added_event = false; int i; /* * We may fail to share events between metrics because a tool @@ -1393,8 +1394,16 @@ static int parse_ids(bool metric_no_merge, struct perf_pmu *fake_pmu, if (!tmp) return -ENOMEM; ids__insert(ids->ids, tmp); + added_event = true; } } + if (!added_event && hashmap__size(ids->ids) == 0) { + char *tmp = strdup("duration_time"); + + if (!tmp) + return -ENOMEM; + ids__insert(ids->ids, tmp); + } } ret = metricgroup__build_event_string(&events, ids, modifier, has_constraint); diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 37622699c91a..6e5b8cce47bf 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -174,7 +174,7 @@ static int elf_section_address_and_offset(int fd, const char *name, u64 *address Elf *elf; GElf_Ehdr ehdr; GElf_Shdr shdr; - int ret; + int ret = -1; elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); if (elf == NULL) diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c index 83ef55e3caa4..2974b44f80fa 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c @@ -121,24 +121,24 @@ static void kprobe_multi_link_api_subtest(void) }) GET_ADDR("bpf_fentry_test1", addrs[0]); - GET_ADDR("bpf_fentry_test2", addrs[1]); - GET_ADDR("bpf_fentry_test3", addrs[2]); - GET_ADDR("bpf_fentry_test4", addrs[3]); - GET_ADDR("bpf_fentry_test5", addrs[4]); - GET_ADDR("bpf_fentry_test6", addrs[5]); - GET_ADDR("bpf_fentry_test7", addrs[6]); + GET_ADDR("bpf_fentry_test3", addrs[1]); + GET_ADDR("bpf_fentry_test4", addrs[2]); + GET_ADDR("bpf_fentry_test5", addrs[3]); + GET_ADDR("bpf_fentry_test6", addrs[4]); + GET_ADDR("bpf_fentry_test7", addrs[5]); + GET_ADDR("bpf_fentry_test2", addrs[6]); GET_ADDR("bpf_fentry_test8", addrs[7]); #undef GET_ADDR - cookies[0] = 1; - cookies[1] = 2; - cookies[2] = 3; - cookies[3] = 4; - cookies[4] = 5; - cookies[5] = 6; - cookies[6] = 7; - cookies[7] = 8; + cookies[0] = 1; /* bpf_fentry_test1 */ + cookies[1] = 2; /* bpf_fentry_test3 */ + cookies[2] = 3; /* bpf_fentry_test4 */ + cookies[3] = 4; /* bpf_fentry_test5 */ + cookies[4] = 5; /* bpf_fentry_test6 */ + cookies[5] = 6; /* bpf_fentry_test7 */ + cookies[6] = 7; /* bpf_fentry_test2 */ + cookies[7] = 8; /* bpf_fentry_test8 */ opts.kprobe_multi.addrs = (const unsigned long *) &addrs; opts.kprobe_multi.cnt = ARRAY_SIZE(addrs); @@ -149,14 +149,14 @@ static void kprobe_multi_link_api_subtest(void) if (!ASSERT_GE(link1_fd, 0, "link1_fd")) goto cleanup; - cookies[0] = 8; - cookies[1] = 7; - cookies[2] = 6; - cookies[3] = 5; - cookies[4] = 4; - cookies[5] = 3; - cookies[6] = 2; - cookies[7] = 1; + cookies[0] = 8; /* bpf_fentry_test1 */ + cookies[1] = 7; /* bpf_fentry_test3 */ + cookies[2] = 6; /* bpf_fentry_test4 */ + cookies[3] = 5; /* bpf_fentry_test5 */ + cookies[4] = 4; /* bpf_fentry_test6 */ + cookies[5] = 3; /* bpf_fentry_test7 */ + cookies[6] = 2; /* bpf_fentry_test2 */ + cookies[7] = 1; /* bpf_fentry_test8 */ opts.kprobe_multi.flags = BPF_F_KPROBE_MULTI_RETURN; prog_fd = bpf_program__fd(skel->progs.test_kretprobe); @@ -181,12 +181,12 @@ static void kprobe_multi_attach_api_subtest(void) struct kprobe_multi *skel = NULL; const char *syms[8] = { "bpf_fentry_test1", - "bpf_fentry_test2", "bpf_fentry_test3", "bpf_fentry_test4", "bpf_fentry_test5", "bpf_fentry_test6", "bpf_fentry_test7", + "bpf_fentry_test2", "bpf_fentry_test8", }; __u64 cookies[8]; @@ -198,14 +198,14 @@ static void kprobe_multi_attach_api_subtest(void) skel->bss->pid = getpid(); skel->bss->test_cookie = true; - cookies[0] = 1; - cookies[1] = 2; - cookies[2] = 3; - cookies[3] = 4; - cookies[4] = 5; - cookies[5] = 6; - cookies[6] = 7; - cookies[7] = 8; + cookies[0] = 1; /* bpf_fentry_test1 */ + cookies[1] = 2; /* bpf_fentry_test3 */ + cookies[2] = 3; /* bpf_fentry_test4 */ + cookies[3] = 4; /* bpf_fentry_test5 */ + cookies[4] = 5; /* bpf_fentry_test6 */ + cookies[5] = 6; /* bpf_fentry_test7 */ + cookies[6] = 7; /* bpf_fentry_test2 */ + cookies[7] = 8; /* bpf_fentry_test8 */ opts.syms = syms; opts.cnt = ARRAY_SIZE(syms); @@ -216,14 +216,14 @@ static void kprobe_multi_attach_api_subtest(void) if (!ASSERT_OK_PTR(link1, "bpf_program__attach_kprobe_multi_opts")) goto cleanup; - cookies[0] = 8; - cookies[1] = 7; - cookies[2] = 6; - cookies[3] = 5; - cookies[4] = 4; - cookies[5] = 3; - cookies[6] = 2; - cookies[7] = 1; + cookies[0] = 8; /* bpf_fentry_test1 */ + cookies[1] = 7; /* bpf_fentry_test3 */ + cookies[2] = 6; /* bpf_fentry_test4 */ + cookies[3] = 5; /* bpf_fentry_test5 */ + cookies[4] = 4; /* bpf_fentry_test6 */ + cookies[5] = 3; /* bpf_fentry_test7 */ + cookies[6] = 2; /* bpf_fentry_test2 */ + cookies[7] = 1; /* bpf_fentry_test8 */ opts.retprobe = true; diff --git a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c index 586dc52d6fb9..5b93d5d0bd93 100644 --- a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c +++ b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c @@ -364,6 +364,9 @@ static int get_syms(char ***symsp, size_t *cntp) continue; if (!strncmp(name, "rcu_", 4)) continue; + if (!strncmp(name, "__ftrace_invalid_address__", + sizeof("__ftrace_invalid_address__") - 1)) + continue; err = hashmap__add(map, name, NULL); if (err) { free(name); diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c index af293ea1542c..e172d89e92e1 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c @@ -4,6 +4,7 @@ * Tests for sockmap/sockhash holding kTLS sockets. */ +#include <netinet/tcp.h> #include "test_progs.h" #define MAX_TEST_NAME 80 @@ -92,9 +93,78 @@ close_srv: close(srv); } +static void test_sockmap_ktls_update_fails_when_sock_has_ulp(int family, int map) +{ + struct sockaddr_storage addr = {}; + socklen_t len = sizeof(addr); + struct sockaddr_in6 *v6; + struct sockaddr_in *v4; + int err, s, zero = 0; + + switch (family) { + case AF_INET: + v4 = (struct sockaddr_in *)&addr; + v4->sin_family = AF_INET; + break; + case AF_INET6: + v6 = (struct sockaddr_in6 *)&addr; + v6->sin6_family = AF_INET6; + break; + default: + PRINT_FAIL("unsupported socket family %d", family); + return; + } + + s = socket(family, SOCK_STREAM, 0); + if (!ASSERT_GE(s, 0, "socket")) + return; + + err = bind(s, (struct sockaddr *)&addr, len); + if (!ASSERT_OK(err, "bind")) + goto close; + + err = getsockname(s, (struct sockaddr *)&addr, &len); + if (!ASSERT_OK(err, "getsockname")) + goto close; + + err = connect(s, (struct sockaddr *)&addr, len); + if (!ASSERT_OK(err, "connect")) + goto close; + + /* save sk->sk_prot and set it to tls_prots */ + err = setsockopt(s, IPPROTO_TCP, TCP_ULP, "tls", strlen("tls")); + if (!ASSERT_OK(err, "setsockopt(TCP_ULP)")) + goto close; + + /* sockmap update should not affect saved sk_prot */ + err = bpf_map_update_elem(map, &zero, &s, BPF_ANY); + if (!ASSERT_ERR(err, "sockmap update elem")) + goto close; + + /* call sk->sk_prot->setsockopt to dispatch to saved sk_prot */ + err = setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &zero, sizeof(zero)); + ASSERT_OK(err, "setsockopt(TCP_NODELAY)"); + +close: + close(s); +} + +static const char *fmt_test_name(const char *subtest_name, int family, + enum bpf_map_type map_type) +{ + const char *map_type_str = BPF_MAP_TYPE_SOCKMAP ? "SOCKMAP" : "SOCKHASH"; + const char *family_str = AF_INET ? "IPv4" : "IPv6"; + static char test_name[MAX_TEST_NAME]; + + snprintf(test_name, MAX_TEST_NAME, + "sockmap_ktls %s %s %s", + subtest_name, family_str, map_type_str); + + return test_name; +} + static void run_tests(int family, enum bpf_map_type map_type) { - char test_name[MAX_TEST_NAME]; int map; map = bpf_map_create(map_type, NULL, sizeof(int), sizeof(int), 1, NULL); @@ -103,14 +173,10 @@ static void run_tests(int family, enum bpf_map_type map_type) return; } - snprintf(test_name, MAX_TEST_NAME, - "sockmap_ktls disconnect_after_delete %s %s", - family == AF_INET ? "IPv4" : "IPv6", - map_type == BPF_MAP_TYPE_SOCKMAP ? "SOCKMAP" : "SOCKHASH"); - if (!test__start_subtest(test_name)) - return; - - test_sockmap_ktls_disconnect_after_delete(family, map); + if (test__start_subtest(fmt_test_name("disconnect_after_delete", family, map_type))) + test_sockmap_ktls_disconnect_after_delete(family, map); + if (test__start_subtest(fmt_test_name("update_fails_when_sock_has_ulp", family, map_type))) + test_sockmap_ktls_update_fails_when_sock_has_ulp(family, map); close(map); } diff --git a/tools/testing/selftests/bpf/prog_tests/tailcalls.c b/tools/testing/selftests/bpf/prog_tests/tailcalls.c index c4da87ec3ba4..19c70880cfb3 100644 --- a/tools/testing/selftests/bpf/prog_tests/tailcalls.c +++ b/tools/testing/selftests/bpf/prog_tests/tailcalls.c @@ -831,6 +831,59 @@ out: bpf_object__close(obj); } +#include "tailcall_bpf2bpf6.skel.h" + +/* Tail call counting works even when there is data on stack which is + * not aligned to 8 bytes. + */ +static void test_tailcall_bpf2bpf_6(void) +{ + struct tailcall_bpf2bpf6 *obj; + int err, map_fd, prog_fd, main_fd, data_fd, i, val; + LIBBPF_OPTS(bpf_test_run_opts, topts, + .data_in = &pkt_v4, + .data_size_in = sizeof(pkt_v4), + .repeat = 1, + ); + + obj = tailcall_bpf2bpf6__open_and_load(); + if (!ASSERT_OK_PTR(obj, "open and load")) + return; + + main_fd = bpf_program__fd(obj->progs.entry); + if (!ASSERT_GE(main_fd, 0, "entry prog fd")) + goto out; + + map_fd = bpf_map__fd(obj->maps.jmp_table); + if (!ASSERT_GE(map_fd, 0, "jmp_table map fd")) + goto out; + + prog_fd = bpf_program__fd(obj->progs.classifier_0); + if (!ASSERT_GE(prog_fd, 0, "classifier_0 prog fd")) + goto out; + + i = 0; + err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY); + if (!ASSERT_OK(err, "jmp_table map update")) + goto out; + + err = bpf_prog_test_run_opts(main_fd, &topts); + ASSERT_OK(err, "entry prog test run"); + ASSERT_EQ(topts.retval, 0, "tailcall retval"); + + data_fd = bpf_map__fd(obj->maps.bss); + if (!ASSERT_GE(map_fd, 0, "bss map fd")) + goto out; + + i = 0; + err = bpf_map_lookup_elem(data_fd, &i, &val); + ASSERT_OK(err, "bss map lookup"); + ASSERT_EQ(val, 1, "done flag is set"); + +out: + tailcall_bpf2bpf6__destroy(obj); +} + void test_tailcalls(void) { if (test__start_subtest("tailcall_1")) @@ -855,4 +908,6 @@ void test_tailcalls(void) test_tailcall_bpf2bpf_4(false); if (test__start_subtest("tailcall_bpf2bpf_5")) test_tailcall_bpf2bpf_4(true); + if (test__start_subtest("tailcall_bpf2bpf_6")) + test_tailcall_bpf2bpf_6(); } diff --git a/tools/testing/selftests/bpf/progs/kprobe_multi.c b/tools/testing/selftests/bpf/progs/kprobe_multi.c index 93510f4f0f3a..08f95a8155d1 100644 --- a/tools/testing/selftests/bpf/progs/kprobe_multi.c +++ b/tools/testing/selftests/bpf/progs/kprobe_multi.c @@ -54,21 +54,21 @@ static void kprobe_multi_check(void *ctx, bool is_return) if (is_return) { SET(kretprobe_test1_result, &bpf_fentry_test1, 8); - SET(kretprobe_test2_result, &bpf_fentry_test2, 7); - SET(kretprobe_test3_result, &bpf_fentry_test3, 6); - SET(kretprobe_test4_result, &bpf_fentry_test4, 5); - SET(kretprobe_test5_result, &bpf_fentry_test5, 4); - SET(kretprobe_test6_result, &bpf_fentry_test6, 3); - SET(kretprobe_test7_result, &bpf_fentry_test7, 2); + SET(kretprobe_test2_result, &bpf_fentry_test2, 2); + SET(kretprobe_test3_result, &bpf_fentry_test3, 7); + SET(kretprobe_test4_result, &bpf_fentry_test4, 6); + SET(kretprobe_test5_result, &bpf_fentry_test5, 5); + SET(kretprobe_test6_result, &bpf_fentry_test6, 4); + SET(kretprobe_test7_result, &bpf_fentry_test7, 3); SET(kretprobe_test8_result, &bpf_fentry_test8, 1); } else { SET(kprobe_test1_result, &bpf_fentry_test1, 1); - SET(kprobe_test2_result, &bpf_fentry_test2, 2); - SET(kprobe_test3_result, &bpf_fentry_test3, 3); - SET(kprobe_test4_result, &bpf_fentry_test4, 4); - SET(kprobe_test5_result, &bpf_fentry_test5, 5); - SET(kprobe_test6_result, &bpf_fentry_test6, 6); - SET(kprobe_test7_result, &bpf_fentry_test7, 7); + SET(kprobe_test2_result, &bpf_fentry_test2, 7); + SET(kprobe_test3_result, &bpf_fentry_test3, 2); + SET(kprobe_test4_result, &bpf_fentry_test4, 3); + SET(kprobe_test5_result, &bpf_fentry_test5, 4); + SET(kprobe_test6_result, &bpf_fentry_test6, 5); + SET(kprobe_test7_result, &bpf_fentry_test7, 6); SET(kprobe_test8_result, &bpf_fentry_test8, 8); } diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c new file mode 100644 index 000000000000..41ce83da78e8 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +#define __unused __attribute__((unused)) + +struct { + __uint(type, BPF_MAP_TYPE_PROG_ARRAY); + __uint(max_entries, 1); + __uint(key_size, sizeof(__u32)); + __uint(value_size, sizeof(__u32)); +} jmp_table SEC(".maps"); + +int done = 0; + +SEC("tc") +int classifier_0(struct __sk_buff *skb __unused) +{ + done = 1; + return 0; +} + +static __noinline +int subprog_tail(struct __sk_buff *skb) +{ + /* Don't propagate the constant to the caller */ + volatile int ret = 1; + + bpf_tail_call_static(skb, &jmp_table, 0); + return ret; +} + +SEC("tc") +int entry(struct __sk_buff *skb) +{ + /* Have data on stack which size is not a multiple of 8 */ + volatile char arr[1] = {}; + + return subprog_tail(skb); +} + +char __license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/dma/Makefile b/tools/testing/selftests/dma/Makefile index aa8e8b5b3864..cd8c5ece1cba 100644 --- a/tools/testing/selftests/dma/Makefile +++ b/tools/testing/selftests/dma/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 CFLAGS += -I../../../../usr/include/ +CFLAGS += -I../../../../include/ TEST_GEN_PROGS := dma_map_benchmark diff --git a/tools/testing/selftests/dma/dma_map_benchmark.c b/tools/testing/selftests/dma/dma_map_benchmark.c index c3b3c09e995e..5c997f17fcbd 100644 --- a/tools/testing/selftests/dma/dma_map_benchmark.c +++ b/tools/testing/selftests/dma/dma_map_benchmark.c @@ -10,8 +10,8 @@ #include <unistd.h> #include <sys/ioctl.h> #include <sys/mman.h> -#include <linux/map_benchmark.h> #include <linux/types.h> +#include <linux/map_benchmark.h> #define NSEC_PER_MSEC 1000000L diff --git a/tools/testing/selftests/kvm/lib/aarch64/ucall.c b/tools/testing/selftests/kvm/lib/aarch64/ucall.c index e0b0164e9af8..be1d9728c4ce 100644 --- a/tools/testing/selftests/kvm/lib/aarch64/ucall.c +++ b/tools/testing/selftests/kvm/lib/aarch64/ucall.c @@ -73,20 +73,19 @@ void ucall_uninit(struct kvm_vm *vm) void ucall(uint64_t cmd, int nargs, ...) { - struct ucall uc = { - .cmd = cmd, - }; + struct ucall uc = {}; va_list va; int i; + WRITE_ONCE(uc.cmd, cmd); nargs = nargs <= UCALL_MAX_ARGS ? nargs : UCALL_MAX_ARGS; va_start(va, nargs); for (i = 0; i < nargs; ++i) - uc.args[i] = va_arg(va, uint64_t); + WRITE_ONCE(uc.args[i], va_arg(va, uint64_t)); va_end(va); - *ucall_exit_mmio_addr = (vm_vaddr_t)&uc; + WRITE_ONCE(*ucall_exit_mmio_addr, (vm_vaddr_t)&uc); } uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc) diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 2a2d240cdc1b..1a5cc3cd97ec 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -7,10 +7,31 @@ else ifneq ($(filter -%,$(LLVM)),) LLVM_SUFFIX := $(LLVM) endif -CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) +CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi +CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu +CLANG_TARGET_FLAGS_hexagon := hexagon-linux-musl +CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu +CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu +CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu +CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu +CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu +CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu +CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) + +ifeq ($(CROSS_COMPILE),) +ifeq ($(CLANG_TARGET_FLAGS),) +$(error Specify CROSS_COMPILE or add '--target=' option to lib.mk +else +CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) +endif # CLANG_TARGET_FLAGS +else +CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) +endif # CROSS_COMPILE + +CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) $(CLANG_FLAGS) -fintegrated-as else CC := $(CROSS_COMPILE)gcc -endif +endif # LLVM ifeq (0,$(MAKELEVEL)) ifeq ($(OUTPUT),) diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 7ea54af55490..ddad703ace34 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -54,7 +54,7 @@ TEST_GEN_FILES += ipsec TEST_GEN_FILES += ioam6_parser TEST_GEN_FILES += gro TEST_GEN_PROGS = reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa -TEST_GEN_PROGS += reuseport_dualstack reuseaddr_conflict tls +TEST_GEN_PROGS += reuseport_dualstack reuseaddr_conflict tls tun TEST_GEN_FILES += toeplitz TEST_GEN_FILES += cmsg_sender TEST_GEN_FILES += stress_reuseport_listen diff --git a/tools/testing/selftests/net/bpf/Makefile b/tools/testing/selftests/net/bpf/Makefile index 8a69c91fcca0..8ccaf8732eb2 100644 --- a/tools/testing/selftests/net/bpf/Makefile +++ b/tools/testing/selftests/net/bpf/Makefile @@ -2,7 +2,7 @@ CLANG ?= clang CCINCLUDE += -I../../bpf -CCINCLUDE += -I../../../lib +CCINCLUDE += -I../../../../lib CCINCLUDE += -I../../../../../usr/include/ TEST_CUSTOM_PROGS = $(OUTPUT)/bpf/nat6to4.o diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index 54701c8b0cd7..03b586760164 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -70,6 +70,10 @@ NSB_LO_IP6=2001:db8:2::2 NL_IP=172.17.1.1 NL_IP6=2001:db8:4::1 +# multicast and broadcast addresses +MCAST_IP=224.0.0.1 +BCAST_IP=255.255.255.255 + MD5_PW=abc123 MD5_WRONG_PW=abc1234 @@ -308,6 +312,9 @@ addr2str() 127.0.0.1) echo "loopback";; ::1) echo "IPv6 loopback";; + ${BCAST_IP}) echo "broadcast";; + ${MCAST_IP}) echo "multicast";; + ${NSA_IP}) echo "ns-A IP";; ${NSA_IP6}) echo "ns-A IPv6";; ${NSA_LO_IP}) echo "ns-A loopback IP";; @@ -1793,12 +1800,33 @@ ipv4_addr_bind_novrf() done # - # raw socket with nonlocal bind + # tests for nonlocal bind # a=${NL_IP} log_start - run_cmd nettest -s -R -P icmp -f -l ${a} -I ${NSA_DEV} -b - log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address after device bind" + run_cmd nettest -s -R -f -l ${a} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address" + + log_start + run_cmd nettest -s -f -l ${a} -b + log_test_addr ${a} $? 0 "TCP socket bind to nonlocal address" + + log_start + run_cmd nettest -s -D -P icmp -f -l ${a} -b + log_test_addr ${a} $? 0 "ICMP socket bind to nonlocal address" + + # + # check that ICMP sockets cannot bind to broadcast and multicast addresses + # + a=${BCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -b + log_test_addr ${a} $? 1 "ICMP socket bind to broadcast address" + + a=${MCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -b + log_test_addr ${a} $? 1 "ICMP socket bind to multicast address" # # tcp sockets @@ -1850,13 +1878,34 @@ ipv4_addr_bind_vrf() log_test_addr ${a} $? 1 "Raw socket bind to out of scope address after VRF bind" # - # raw socket with nonlocal bind + # tests for nonlocal bind # a=${NL_IP} log_start - run_cmd nettest -s -R -P icmp -f -l ${a} -I ${VRF} -b + run_cmd nettest -s -R -f -l ${a} -I ${VRF} -b log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address after VRF bind" + log_start + run_cmd nettest -s -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "TCP socket bind to nonlocal address after VRF bind" + + log_start + run_cmd nettest -s -D -P icmp -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "ICMP socket bind to nonlocal address after VRF bind" + + # + # check that ICMP sockets cannot bind to broadcast and multicast addresses + # + a=${BCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 1 "ICMP socket bind to broadcast address after VRF bind" + + a=${MCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 1 "ICMP socket bind to multicast address after VRF bind" + # # tcp sockets # @@ -1889,10 +1938,12 @@ ipv4_addr_bind() log_subsection "No VRF" setup + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null ipv4_addr_bind_novrf log_subsection "With VRF" setup "yes" + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null ipv4_addr_bind_vrf } diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh index 9dd43d7d957b..515859a5168b 100755 --- a/tools/testing/selftests/net/mptcp/diag.sh +++ b/tools/testing/selftests/net/mptcp/diag.sh @@ -61,6 +61,39 @@ chk_msk_nr() __chk_nr "grep -c token:" $* } +wait_msk_nr() +{ + local condition="grep -c token:" + local expected=$1 + local timeout=20 + local msg nr + local max=0 + local i=0 + + shift 1 + msg=$* + + while [ $i -lt $timeout ]; do + nr=$(ss -inmHMN $ns | $condition) + [ $nr == $expected ] && break; + [ $nr -gt $max ] && max=$nr + i=$((i + 1)) + sleep 1 + done + + printf "%-50s" "$msg" + if [ $i -ge $timeout ]; then + echo "[ fail ] timeout while expecting $expected max $max last $nr" + ret=$test_cnt + elif [ $nr != $expected ]; then + echo "[ fail ] expected $expected found $nr" + ret=$test_cnt + else + echo "[ ok ]" + fi + test_cnt=$((test_cnt+1)) +} + chk_msk_fallback_nr() { __chk_nr "grep -c fallback" $* @@ -146,7 +179,7 @@ ip -n $ns link set dev lo up echo "a" | \ timeout ${timeout_test} \ ip netns exec $ns \ - ./mptcp_connect -p 10000 -l -t ${timeout_poll} \ + ./mptcp_connect -p 10000 -l -t ${timeout_poll} -w 20 \ 0.0.0.0 >/dev/null & wait_local_port_listen $ns 10000 chk_msk_nr 0 "no msk on netns creation" @@ -155,7 +188,7 @@ chk_msk_listen 10000 echo "b" | \ timeout ${timeout_test} \ ip netns exec $ns \ - ./mptcp_connect -p 10000 -r 0 -t ${timeout_poll} \ + ./mptcp_connect -p 10000 -r 0 -t ${timeout_poll} -w 20 \ 127.0.0.1 >/dev/null & wait_connected $ns 10000 chk_msk_nr 2 "after MPC handshake " @@ -167,13 +200,13 @@ flush_pids echo "a" | \ timeout ${timeout_test} \ ip netns exec $ns \ - ./mptcp_connect -p 10001 -l -s TCP -t ${timeout_poll} \ + ./mptcp_connect -p 10001 -l -s TCP -t ${timeout_poll} -w 20 \ 0.0.0.0 >/dev/null & wait_local_port_listen $ns 10001 echo "b" | \ timeout ${timeout_test} \ ip netns exec $ns \ - ./mptcp_connect -p 10001 -r 0 -t ${timeout_poll} \ + ./mptcp_connect -p 10001 -r 0 -t ${timeout_poll} -w 20 \ 127.0.0.1 >/dev/null & wait_connected $ns 10001 chk_msk_fallback_nr 1 "check fallback" @@ -184,7 +217,7 @@ for I in `seq 1 $NR_CLIENTS`; do echo "a" | \ timeout ${timeout_test} \ ip netns exec $ns \ - ./mptcp_connect -p $((I+10001)) -l -w 10 \ + ./mptcp_connect -p $((I+10001)) -l -w 20 \ -t ${timeout_poll} 0.0.0.0 >/dev/null & done wait_local_port_listen $ns $((NR_CLIENTS + 10001)) @@ -193,12 +226,11 @@ for I in `seq 1 $NR_CLIENTS`; do echo "b" | \ timeout ${timeout_test} \ ip netns exec $ns \ - ./mptcp_connect -p $((I+10001)) -w 10 \ + ./mptcp_connect -p $((I+10001)) -w 20 \ -t ${timeout_poll} 127.0.0.1 >/dev/null & done -sleep 1.5 -chk_msk_nr $((NR_CLIENTS*2)) "many msk socket present" +wait_msk_nr $((NR_CLIENTS*2)) "many msk socket present" flush_pids exit $ret diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/testing/selftests/net/mptcp/mptcp_connect.c index 8628aa61b763..e2ea6c126c99 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.c +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c @@ -265,7 +265,7 @@ static void sock_test_tcpulp(int sock, int proto, unsigned int line) static int sock_listen_mptcp(const char * const listenaddr, const char * const port) { - int sock; + int sock = -1; struct addrinfo hints = { .ai_protocol = IPPROTO_TCP, .ai_socktype = SOCK_STREAM, diff --git a/tools/testing/selftests/net/mptcp/mptcp_inq.c b/tools/testing/selftests/net/mptcp/mptcp_inq.c index 29f75e2a1116..8672d898f8cd 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_inq.c +++ b/tools/testing/selftests/net/mptcp/mptcp_inq.c @@ -88,7 +88,7 @@ static void xgetaddrinfo(const char *node, const char *service, static int sock_listen_mptcp(const char * const listenaddr, const char * const port) { - int sock; + int sock = -1; struct addrinfo hints = { .ai_protocol = IPPROTO_TCP, .ai_socktype = SOCK_STREAM, diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c index ac9a4d9c1764..ae61f39556ca 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -136,7 +136,7 @@ static void xgetaddrinfo(const char *node, const char *service, static int sock_listen_mptcp(const char * const listenaddr, const char * const port) { - int sock; + int sock = -1; struct addrinfo hints = { .ai_protocol = IPPROTO_TCP, .ai_socktype = SOCK_STREAM, diff --git a/tools/testing/selftests/net/tun.c b/tools/testing/selftests/net/tun.c new file mode 100644 index 000000000000..fa83918b62d1 --- /dev/null +++ b/tools/testing/selftests/net/tun.c @@ -0,0 +1,162 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define _GNU_SOURCE + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <linux/if.h> +#include <linux/if_tun.h> +#include <linux/netlink.h> +#include <linux/rtnetlink.h> +#include <sys/ioctl.h> +#include <sys/socket.h> + +#include "../kselftest_harness.h" + +static int tun_attach(int fd, char *dev) +{ + struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); + strcpy(ifr.ifr_name, dev); + ifr.ifr_flags = IFF_ATTACH_QUEUE; + + return ioctl(fd, TUNSETQUEUE, (void *) &ifr); +} + +static int tun_detach(int fd, char *dev) +{ + struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); + strcpy(ifr.ifr_name, dev); + ifr.ifr_flags = IFF_DETACH_QUEUE; + + return ioctl(fd, TUNSETQUEUE, (void *) &ifr); +} + +static int tun_alloc(char *dev) +{ + struct ifreq ifr; + int fd, err; + + fd = open("/dev/net/tun", O_RDWR); + if (fd < 0) { + fprintf(stderr, "can't open tun: %s\n", strerror(errno)); + return fd; + } + + memset(&ifr, 0, sizeof(ifr)); + strcpy(ifr.ifr_name, dev); + ifr.ifr_flags = IFF_TAP | IFF_NAPI | IFF_MULTI_QUEUE; + + err = ioctl(fd, TUNSETIFF, (void *) &ifr); + if (err < 0) { + fprintf(stderr, "can't TUNSETIFF: %s\n", strerror(errno)); + close(fd); + return err; + } + strcpy(dev, ifr.ifr_name); + return fd; +} + +static int tun_delete(char *dev) +{ + struct { + struct nlmsghdr nh; + struct ifinfomsg ifm; + unsigned char data[64]; + } req; + struct rtattr *rta; + int ret, rtnl; + + rtnl = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE); + if (rtnl < 0) { + fprintf(stderr, "can't open rtnl: %s\n", strerror(errno)); + return 1; + } + + memset(&req, 0, sizeof(req)); + req.nh.nlmsg_len = NLMSG_ALIGN(NLMSG_LENGTH(sizeof(req.ifm))); + req.nh.nlmsg_flags = NLM_F_REQUEST; + req.nh.nlmsg_type = RTM_DELLINK; + + req.ifm.ifi_family = AF_UNSPEC; + + rta = (struct rtattr *)(((char *)&req) + NLMSG_ALIGN(req.nh.nlmsg_len)); + rta->rta_type = IFLA_IFNAME; + rta->rta_len = RTA_LENGTH(IFNAMSIZ); + req.nh.nlmsg_len += rta->rta_len; + memcpy(RTA_DATA(rta), dev, IFNAMSIZ); + + ret = send(rtnl, &req, req.nh.nlmsg_len, 0); + if (ret < 0) + fprintf(stderr, "can't send: %s\n", strerror(errno)); + ret = (unsigned int)ret != req.nh.nlmsg_len; + + close(rtnl); + return ret; +} + +FIXTURE(tun) +{ + char ifname[IFNAMSIZ]; + int fd, fd2; +}; + +FIXTURE_SETUP(tun) +{ + memset(self->ifname, 0, sizeof(self->ifname)); + + self->fd = tun_alloc(self->ifname); + ASSERT_GE(self->fd, 0); + + self->fd2 = tun_alloc(self->ifname); + ASSERT_GE(self->fd2, 0); +} + +FIXTURE_TEARDOWN(tun) +{ + if (self->fd >= 0) + close(self->fd); + if (self->fd2 >= 0) + close(self->fd2); +} + +TEST_F(tun, delete_detach_close) { + EXPECT_EQ(tun_delete(self->ifname), 0); + EXPECT_EQ(tun_detach(self->fd, self->ifname), -1); + EXPECT_EQ(errno, 22); +} + +TEST_F(tun, detach_delete_close) { + EXPECT_EQ(tun_detach(self->fd, self->ifname), 0); + EXPECT_EQ(tun_delete(self->ifname), 0); +} + +TEST_F(tun, detach_close_delete) { + EXPECT_EQ(tun_detach(self->fd, self->ifname), 0); + close(self->fd); + self->fd = -1; + EXPECT_EQ(tun_delete(self->ifname), 0); +} + +TEST_F(tun, reattach_delete_close) { + EXPECT_EQ(tun_detach(self->fd, self->ifname), 0); + EXPECT_EQ(tun_attach(self->fd, self->ifname), 0); + EXPECT_EQ(tun_delete(self->ifname), 0); +} + +TEST_F(tun, reattach_close_delete) { + EXPECT_EQ(tun_detach(self->fd, self->ifname), 0); + EXPECT_EQ(tun_attach(self->fd, self->ifname), 0); + close(self->fd); + self->fd = -1; + EXPECT_EQ(tun_delete(self->ifname), 0); +} + +TEST_HARNESS_MAIN diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh index 80b5d352702e..dc932fd65363 100755 --- a/tools/testing/selftests/net/udpgso_bench.sh +++ b/tools/testing/selftests/net/udpgso_bench.sh @@ -120,7 +120,7 @@ run_all() { run_udp "${ipv4_args}" echo "ipv6" - run_tcp "${ipv4_args}" + run_tcp "${ipv6_args}" run_udp "${ipv6_args}" } diff --git a/tools/testing/selftests/netfilter/nft_concat_range.sh b/tools/testing/selftests/netfilter/nft_concat_range.sh index b35010cc7f6a..a6991877e50c 100755 --- a/tools/testing/selftests/netfilter/nft_concat_range.sh +++ b/tools/testing/selftests/netfilter/nft_concat_range.sh @@ -31,7 +31,7 @@ BUGS="flush_remove_add reload" # List of possible paths to pktgen script from kernel tree for performance tests PKTGEN_SCRIPT_PATHS=" - ../../../samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh + ../../../../samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh pktgen/pktgen_bench_xmit_mode_netif_receive.sh" # Definition of set types: diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json b/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json index b24494c6f546..c652e8c1157d 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json @@ -609,5 +609,82 @@ "teardown": [ "$TC actions flush action gact" ] + }, + { + "id": "7f52", + "name": "Try to flush action which is referenced by filter", + "category": [ + "actions", + "gact" + ], + "plugins": { + "requires": "nsPlugin" + }, + "setup": [ + [ + "$TC actions flush action gact", + 0, + 1, + 255 + ], + "$TC qdisc add dev $DEV1 ingress", + "$TC actions add action pass index 1", + "$TC filter add dev $DEV1 protocol all ingress prio 1 handle 0x1234 matchall action gact index 1" + ], + "cmdUnderTest": "$TC actions flush action gact", + "expExitCode": "1", + "verifyCmd": "$TC actions ls action gact", + "matchPattern": "total acts 1.*action order [0-9]*: gact action pass.*index 1 ref 2 bind 1", + "matchCount": "1", + "teardown": [ + "$TC qdisc del dev $DEV1 ingress", + [ + "sleep 1; $TC actions flush action gact", + 0, + 1 + ] + ] + }, + { + "id": "ae1e", + "name": "Try to flush actions when last one is referenced by filter", + "category": [ + "actions", + "gact" + ], + "plugins": { + "requires": "nsPlugin" + }, + "setup": [ + [ + "$TC actions flush action gact", + 0, + 1, + 255 + ], + "$TC qdisc add dev $DEV1 ingress", + [ + "$TC actions add action pass index 1", + 0, + 1, + 255 + ], + "$TC actions add action reclassify index 2", + "$TC actions add action drop index 3", + "$TC filter add dev $DEV1 protocol all ingress prio 1 handle 0x1234 matchall action gact index 3" + ], + "cmdUnderTest": "$TC actions flush action gact", + "expExitCode": "0", + "verifyCmd": "$TC actions ls action gact", + "matchPattern": "total acts 1.*action order [0-9]*: gact action drop.*index 3 ref 2 bind 1", + "matchCount": "1", + "teardown": [ + "$TC qdisc del dev $DEV1 ingress", + [ + "sleep 1; $TC actions flush action gact", + 0, + 1 + ] + ] } ] diff --git a/tools/testing/selftests/vm/gup_test.c b/tools/testing/selftests/vm/gup_test.c index 6bb36ca71cb5..a309876d832f 100644 --- a/tools/testing/selftests/vm/gup_test.c +++ b/tools/testing/selftests/vm/gup_test.c @@ -209,7 +209,7 @@ int main(int argc, char **argv) if (write) gup.gup_flags |= FOLL_WRITE; - gup_fd = open("/sys/kernel/debug/gup_test", O_RDWR); + gup_fd = open(GUP_TEST_FILE, O_RDWR); if (gup_fd == -1) { switch (errno) { case EACCES: @@ -224,7 +224,7 @@ int main(int argc, char **argv) printf("check if CONFIG_GUP_TEST is enabled in kernel config\n"); break; default: - perror("failed to open /sys/kernel/debug/gup_test"); + perror("failed to open " GUP_TEST_FILE); break; } exit(KSFT_SKIP); diff --git a/tools/testing/selftests/vm/ksm_tests.c b/tools/testing/selftests/vm/ksm_tests.c index 2fcf24312da8..f5e4e0bbd081 100644 --- a/tools/testing/selftests/vm/ksm_tests.c +++ b/tools/testing/selftests/vm/ksm_tests.c @@ -54,6 +54,7 @@ static int ksm_write_sysfs(const char *file_path, unsigned long val) } if (fprintf(f, "%lu", val) < 0) { perror("fprintf"); + fclose(f); return 1; } fclose(f); @@ -72,6 +73,7 @@ static int ksm_read_sysfs(const char *file_path, unsigned long *val) } if (fscanf(f, "%lu", val) != 1) { perror("fscanf"); + fclose(f); return 1; } fclose(f); |