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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The bulk of the standout changes in this release are cleanups, with
the core work being a combination of factoring out common code into
helpers and the completion of the conversion of the core to use GPIO
descriptors.
Summary:
- Addition of helper functions for current limits and conversion of
drivers to use them by Axel Lin.
- Lots and lots of cleanups from Axel Lin.
- Conversion of the core to use GPIO descriptors rather than numbers
by Linus Walleij.
- New drivers for Maxim MAX77650 and ROHM BD70528"
* tag 'regulator-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (131 commits)
regulator: mc13xxx: Constify regulator_ops variables
regulator: palmas: Constify palmas_smps_ramp_delay array
regulator: wm831x-dcdc: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88090: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88080: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88060: Convert to use regulator_set/get_current_limit_regmap
regulator: max77650: Convert to use regulator_set/get_current_limit_regmap
regulator: lp873x: Convert to use regulator_set/get_current_limit_regmap
regulator: lp872x: Convert to use regulator_set/get_current_limit_regmap
regulator: da9210: Convert to use regulator_set/get_current_limit_regmap
regulator: da9055: Convert to use regulator_set/get_current_limit_regmap
regulator: core: Add set/get_current_limit helpers for regmap users
regulator: Fix comment for csel_reg and csel_mask
regulator: stm32-vrefbuf: add power management support
regulator: 88pm8607: Remove unused fields from struct pm8607_regulator_info
regulator: 88pm8607: Simplify pm8607_list_voltage implementation
regulator: cpcap: Constify omap4_regulators and xoom_regulators
regulator: cpcap: Remove unused vsel_shift from struct cpcap_regulator
dt-bindings: regulator: tps65218: rectify units of LS3
dt-bindings: regulator: add LS2 load switch documentation
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Every in-kernel use of this function defined it to KERNEL_DS (either as
an actual define, or as an inline function). It's an entirely
historical artifact, and long long long ago used to actually read the
segment selector valueof '%ds' on x86.
Which in the kernel is always KERNEL_DS.
Inspired by a patch from Jann Horn that just did this for a very small
subset of users (the ones in fs/), along with Al who suggested a script.
I then just took it to the logical extreme and removed all the remaining
gunk.
Roughly scripted with
git grep -l '(get_ds())' -- :^tools/ | xargs sed -i 's/(get_ds())/(KERNEL_DS)/'
git grep -lw 'get_ds' -- :^tools/ | xargs sed -i '/^#define get_ds()/d'
plus manual fixups to remove a few unusual usage patterns, the couple of
inline function cases and to fix up a comment that had become stale.
The 'get_ds()' function remains in an x86 kvm selftest, since in user
space it actually does something relevant.
Inspired-by: Jann Horn <jannh@google.com>
Inspired-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds a warning (once) for any kernel dereference that has a user
exception handler, but accesses a non-canonical address. It basically
is a simpler - and more limited - version of commit 9da3f2b74054
("x86/fault: BUG() when uaccess helpers fault on kernel addresses") that
got reverted.
Note that unlike that original commit, this only causes a warning,
because there are real situations where we currently can do this
(notably speculative argument fetching for uprobes etc). Also, unlike
that original commit, this _only_ triggers for #GP accesses, so the
cases of valid kernel pointers that cross into a non-mapped page aren't
affected.
The intent of this is two-fold:
- the uprobe/tracing accesses really do need to be more careful. In
particular, from a portability standpoint it's just wrong to think
that "a pointer is a pointer", and use the same logic for any random
pointer value you find on the stack. It may _work_ on x86-64, but it
doesn't necessarily work on other architectures (where the same
pointer value can be either a kernel pointer _or_ a user pointer, and
you really need to be much more careful in how you try to access it)
The warning can hopefully end up being a reminder that just any
random pointer access won't do.
- Kees in particular wanted a way to actually report invalid uses of
wild pointers to user space accessors, instead of just silently
failing them. Automated fuzzers want a way to get reports if the
kernel ever uses invalid values that the fuzzer fed it.
The non-canonical address range is a fair chunk of the address space,
and with this you can teach syzkaller to feed in invalid pointer
values and find cases where we do not properly validate user
addresses (possibly due to bad uses of "set_fs()").
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Jann Horn <jannh@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* acpi-apei: (29 commits)
efi: cper: Fix possible out-of-bounds access
ACPI: APEI: Fix possible out-of-bounds access to BERT region
MAINTAINERS: Add James Morse to the list of APEI reviewers
ACPI / APEI: Add support for the SDEI GHES Notification type
firmware: arm_sdei: Add ACPI GHES registration helper
ACPI / APEI: Use separate fixmap pages for arm64 NMI-like notifications
ACPI / APEI: Only use queued estatus entry during in_nmi_queue_one_entry()
ACPI / APEI: Split ghes_read_estatus() to allow a peek at the CPER length
ACPI / APEI: Make GHES estatus header validation more user friendly
ACPI / APEI: Pass ghes and estatus separately to avoid a later copy
ACPI / APEI: Let the notification helper specify the fixmap slot
ACPI / APEI: Move locking to the notification helper
arm64: KVM/mm: Move SEA handling behind a single 'claim' interface
KVM: arm/arm64: Add kvm_ras.h to collect kvm specific RAS plumbing
ACPI / APEI: Switch NOTIFY_SEA to use the estatus queue
ACPI / APEI: Move NOTIFY_SEA between the estatus-queue and NOTIFY_NMI
ACPI / APEI: Don't allow ghes_ack_error() to mask earlier errors
ACPI / APEI: Generalise the estatus queue's notify code
ACPI / APEI: Don't update struct ghes' flags in read/clear estatus
ACPI / APEI: Remove spurious GHES_TO_CLEAR check
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"One more set of simple ARM platform fixes:
- A boot regression on qualcomm msm8998
- Gemini display controllers got turned off by accident
- incorrect reference counting in optee"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
tee: optee: add missing of_node_put after of_device_is_available
arm64: dts: qcom: msm8998: Extend TZ reserved memory area
ARM: dts: gemini: Re-enable display controller
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:
====================
pull request: bluetooth-next 2019-03-02
Here's one more bluetooth-next pull request for the 5.1 kernel:
- Added support for MediaTek MT7663U and MT7668U UART devices
- Cleanups & fixes to the hci_qca driver
- Fixed wakeup pin behavior for QCA6174A controller
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two last minute fixes:
- Prevent value evaluation via functions happening in the user access
enabled region of __put_user() (put another way: make sure to
evaluate the value to be stored in user space _before_ enabling
user space accesses)
- Correct the definition of a Hyper-V hypercall constant"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hyper-v: Fix definition of HV_MAX_FLUSH_REP_COUNT
x86/uaccess: Don't leak the AC flag into __put_user() value evaluation
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Pull networking fixes from David Miller:
1) Fix refcount leak in act_ipt during replace, from Davide Caratti.
2) Set task state properly in tun during blocking reads, from Timur
Celik.
3) Leaked reference in DSA, from Wen Yang.
4) NULL deref in act_tunnel_key, from Vlad Buslov.
5) cipso_v4_erro can reference the skb IPCB in inappropriate contexts
thus referencing garbage, from Nazarov Sergey.
6) Don't accept RTA_VIA and RTA_GATEWAY in contexts where those
attributes make no sense.
7) Fix hung sendto in tipc, from Tung Nguyen.
8) Out-of-bounds access in netlabel, from Paul Moore.
9) Grant reference leak in xen-netback, from Igor Druzhinin.
10) Fix tx stalls with lan743x, from Bryan Whitehead.
11) Fix interrupt storm with mv88e6xxx, from Hein Kallweit.
12) Memory leak in sit on device registry failure, from Mao Wenan.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
net: sit: fix memory leak in sit_init_net()
net: dsa: mv88e6xxx: Fix statistics on mv88e6161
geneve: correctly handle ipv6.disable module parameter
net: dsa: mv88e6xxx: prevent interrupt storm caused by mv88e6390x_port_set_cmode
bpf: fix sanitation rewrite in case of non-pointers
ipv4: Add ICMPv6 support when parse route ipproto
MIPS: eBPF: Fix icache flush end address
lan743x: Fix TX Stall Issue
net: phy: phylink: fix uninitialized variable in phylink_get_mac_state
net: aquantia: regression on cpus with high cores: set mode with 8 queues
selftests: fixes for UDP GRO
bpf: drop refcount if bpf_map_new_fd() fails in map_create()
net: dsa: mv88e6xxx: power serdes on/off for 10G interfaces on 6390X
net: dsa: mv88e6xxx: Fix u64 statistics
xen-netback: don't populate the hash cache on XenBus disconnect
xen-netback: fix occasional leak of grant ref mappings under memory pressure
sctp: chunk.c: correct format string for size_t in printk
net: netem: fix skb length BUG_ON in __skb_to_sgvec
netlabel: fix out-of-bounds memory accesses
ipv4: Pass original device to ip_rcv_finish_core
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull more crypto fixes from Herbert Xu:
"This fixes a couple of issues in arm64/chacha that was introduced in
5.0"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm64/chacha - fix hchacha_block_neon() for big endian
crypto: arm64/chacha - fix chacha_4block_xor_neon() for big endian
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The MIPS eBPF JIT calls flush_icache_range() in order to ensure the
icache observes the code that we just wrote. Unfortunately it gets the
end address calculation wrong due to some bad pointer arithmetic.
The struct jit_ctx target field is of type pointer to u32, and as such
adding one to it will increment the address being pointed to by 4 bytes.
Therefore in order to find the address of the end of the code we simply
need to add the number of 4 byte instructions emitted, but we mistakenly
add the number of instructions multiplied by 4. This results in the call
to flush_icache_range() operating on a memory region 4x larger than
intended, which is always wasteful and can cause crashes if we overrun
into an unmapped page.
Fix this by correcting the pointer arithmetic to remove the bogus
multiplication, and use braces to remove the need for a set of brackets
whilst also making it obvious that the target field is a pointer.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: b6bd53f9c4e8 ("MIPS: Add missing file for eBPF JIT.")
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: netdev@vger.kernel.org
Cc: bpf@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Cc: stable@vger.kernel.org # v4.13+
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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RDB board
The LS1028A RDB board features an Atheros PHY connected over
SGMII to the ENETC PF0 (or Port0). ENETC Port1 (PF1) has no
external connection on this board, so it can be disabled for now.
Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The LS1028A SoC features a PCI Integrated Endpoint Root Complex
(IERC) defining several integrated PCI devices, including the ENETC
ethernet controller integrated endpoints (IEPs). The IERC implements
ECAM (Enhanced Configuration Access Mechanism) to provide access
to the PCIe config space of the IEPs. This means the the IEPs
(including ENETC) do not support the standard PCIe BARs, instead
the Enhanced Allocation (EA) capability structures in the ECAM space
are used to fix the base addresses in the system, and the PCI
subsystem uses these structures for device enumeration and discovery.
The "ranges" entries contain basic information from these EA capabily
structures required by the kernel for device enumeration.
The current patch also enables the first 2 ENETC PFs (Physiscal
Functions) and the associated VFs (Virtual Functions), 2 VFs for
each PF. Each of these ENETC PFs has an external ethernet port
on the LS1028A SoC.
Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The reset of the prefix to zero in swsusp_arch_resume uses a 4 byte stack
slot. With CONFIG_VMAP_STACK=y this is now in the vmalloc area, this works
only with DAT enabled. Move the DAT disable in swsusp_arch_resume after
the prefix reset.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Sugaya Taichi <sugaya.taichi@socionext.com> explains:
Here is the series of patches the initial support for SC2000(M10V) of
Milbeaut SoCs. "M10V" is the internal name of SC2000, so commonly used in
source code.
SC2000 is a SoC of the Milbeaut series. equipped with a DSP optimized for
computer vision. It also features advanced functionalities such as 360-degree,
real-time spherical stitching with multi cameras, image stabilization for
without mechanical gimbals, and rolling shutter correction. More detail is
below:
https://www.socionext.com/en/products/assp/milbeaut/SC2000.html
Specifications for developers are below:
- Quad-core 32bit Cortex-A7 on ARMv7-A architecture
- NEON support
- DSP
- GPU
- MAX 3GB DDR3
- Cortex-M0 for power control
- NAND Flash Interface
- SD UHS-I
- SD UHS-II
- SDIO
- USB2.0 HOST / Device
- USB3.0 HOST / Device
- PCI express Gen2
- Ethernet Engine
- I2C
- UART
- SPI
- PWM
Support is quite minimal for now, since it only includes timer, clock,
pictrl and serial controller drivers, so we can only boot to userspace
through initramfs. Support for the other peripherals will come eventually.
* milbeaut/newsoc:
ARM: multi_v7_defconfig: add ARCH_MILBEAUT and ARCH_MILBEAUT_M10V
ARM: configs: Add Milbeaut M10V defconfig
ARM: dts: milbeaut: Add device tree set for the Milbeaut M10V board
clocksource/drivers/timer-milbeaut: Introduce timer for Milbeaut SoCs
dt-bindings: timer: Add Milbeaut M10V timer description
ARM: milbeaut: Add basic support for Milbeaut m10v SoC
dt-bindings: Add documentation for Milbeaut SoCs
dt-bindings: arm: Add SMP enable-method for Milbeaut
dt-bindings: sram: milbeaut: Add binding for Milbeaut smp-sram
Link: https://lore.kernel.org/linux-arm-kernel/1551243056-10521-1-git-send-email-sugaya.taichi@socionext.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add and enable the Milbeaut M10V architecture. These configs select those
of the clock, timer and serial driver for M10V.
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This patch adds the minimal defconfig for the Milbeaut M10V.
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add devicetree for Milbeaut M10V SoC and M10V Evaluation board.
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This adds the basic M10V SoC support under arch/arm.
Since all cores are activated in the custom bootloader before booting
linux, it is necessary to wait for the secondary-cores using cpu-enable-
method and special sram.
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The maximum voltage value for buck8 regulator on Odroid XU3/XU4 boards is
set too low. Increase it to the 2000mV as specified on the board schematic.
So far the board worked fine, because of the bug in the PMIC driver, which
used incorrect step value for that regulator. It interpreted the voltage
value set by the bootloader as 1225mV and kept it unchanged. The regulator
driver has been however fixed recently in the commit 56b5d4ea778c
("regulator: s2mps11: Fix steps for buck7, buck8 and LDO35"), what results
in reading the proper buck8 value and forcing it to 1500mV on boot. This
is not enough for proper board operation and results in eMMC errors during
heavy IO traffic. Increasing maximum voltage value for buck8 restores
original driver behavior and fixes eMMC issues.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 86a2d2ac5e5d ("ARM: dts: Add dts file for Odroid XU3 board")
Fixes: 56b5d4ea778c ("regulator: s2mps11: Fix steps for buck7, buck8 and LDO35")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This disables the old FBDEV driver and enables the PL111
DRM driver on the SPEAr3xx.
There are some device trees in the kernel that switches
the DT node for the PL110 to "okay" but none of these
have any display defined, so we can safely switch to this
driver before we get any users starting to define
displays. Let them do it on top of the new driver
infrastructure instead.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/fixes
Qualcomm ARM64 Fixes for 5.0-rc8
* Fix TZ memory area size to avoid crashes during boot
* tag 'qcom-fixes-for-5.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
arm64: dts: qcom: msm8998: Extend TZ reserved memory area
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This adds some new driver options to the Nomadik NHK8815 defconfig:
- Activate IIO driver
- Enable CMA for coherent graphics allocations
- Activate DRM framebuffer driver for PL111
- Activate DRM panel driver for TPO TPG110
- Activate SPI GPIO driver (talks to the display)
- Activate STMPE PWM driver (used for display backlight)
- Activate PWM backlight
- Activate STw481x driver (PMIC)
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This updates the NHK8815 defconfig to reflect the recent
structural changes in Kconfigs all over the kernel:
- PREEMPT option was moved around
- MODULES options were moved around
- MTD_NAND options were moved around
- INPUT_MOUSEDEV doesn't have to be explicitly unselected
anymore (not on by default)
- DEBUG_GPIO should really not be in any default config
- MMC_BLOCK_BOUNCE is gone from Kconfig
- CRYPTO options were moved around
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The CONFIG_SND_PXA2XX_AC97 driver is for the old AC97 bus implementation,
and conflicts with all the new-style AC97 drivers after the conversion,
so the drivers we want all get turned off.
Not disabling the symbol however does the right thing, and we get
the drivers that are selectively enabled here.
Fixes: 25540f68c871 ("ASoC: pxa: change ac97 dependencies")
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add a warning about removing required architecture level set facilities
via "facilities=" command line option.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add "facilities=" command line option which allows to override
facility bits returned by stfle. The main purpose of that is debugging
aids which allows to test specific kernel behaviour depending on
specific facilities presence. It also affects CPU alternatives.
"facilities=" command line option format is comma separated list of
integer values to be additionally set or cleared (if value is starting
with "!"). Values ranges are also supported. e.g.:
facilities=!130-160,159,167-169
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Facilities list in the lowcore is initially set up by verify_facilities
from als.c and later initializations are redundant, so cleaning them up.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Reuse __stfle call instead of in-place implementation. __stfle is using
memcpy and memset functions but they are safe to use, since mem.S is
built with -march=z900.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A few more MIPS fixes:
- Fix 16b cmpxchg() operations which could erroneously fail if bits
15:8 of the old value are non-zero. In practice I'm not aware of
any actual users of 16b cmpxchg() on MIPS, but this fixes the
support for it was was introduced in v4.13.
- Provide a struct device to dma_alloc_coherent for Lantiq XWAY
systems with a "Voice MIPS Macro Core" (VMMC) device.
- Provide DMA masks for BCM63xx ethernet devices, fixing a regression
introduced in v4.19.
- Fix memblock reservation for the kernel when the system has a
non-zero PHYS_OFFSET, correcting the memblock conversion performed
in v4.20"
* tag 'mips_fixes_5.0_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: fix memory setup for platforms with PHYS_OFFSET != 0
MIPS: BCM63XX: provide DMA masks for ethernet devices
MIPS: lantiq: pass struct device to DMA API functions
MIPS: fix truncation in __cmpxchg_small for short values
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes a compiler warning introduced by a previous fix, as well as
two crash bugs on ARM"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha512/arm - fix crash bug in Thumb2 build
crypto: sha256/arm - fix crash bug in Thumb2 build
crypto: ccree - add missing inline qualifier
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: More changes for v5.1
Another batch of changes for ASoC, no big core changes - it's mainly
small fixes and improvements for individual drivers.
- A big refresh and cleanup of the Samsung drivers, fixing a number of
issues which allow the driver to be used with a wider range of
userspaces.
- Fixes for the Intel drivers to make them more standard so less likely
to get bitten by core issues.
- New driver for Cirrus Logic CS35L26.
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The max flush rep count of HvFlushGuestPhysicalAddressList hypercall is
equal with how many entries of union hv_gpa_page_range can be populated
into the input parameter page.
The code lacks parenthesis around PAGE_SIZE - 2 * sizeof(u64) which results
in bogus computations. Add them.
Fixes: cc4edae4b924 ("x86/hyper-v: Add HvFlushGuestAddressList hypercall support")
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: kys@microsoft.com
Cc: haiyangz@microsoft.com
Cc: sthemmin@microsoft.com
Cc: sashal@kernel.org
Cc: bp@alien8.de
Cc: hpa@zytor.com
Cc: gregkh@linuxfoundation.org
Cc: devel@linuxdriverproject.org
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20190225143114.5149-1-Tianyu.Lan@microsoft.com
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
perf annotate:
Wei Li:
- Fix getting source line failure
perf script:
Andi Kleen:
- Handle missing fields with -F +...
perf data:
Jiri Olsa:
- Prep work to support per-cpu files in a directory.
Intel PT:
Adrian Hunter:
- Improve thread_stack__no_call_return()
- Hide x86 retpolines in thread stacks.
- exported SQL viewer refactorings, new 'top calls' report..
Alexander Shishkin:
- Copy parent's address filter offsets on clone
- Fix address filters for vmas with non-zero offset. Applies to
ARM's CoreSight as well.
python scripts:
Tony Jones:
- Python3 support for several 'perf script' python scripts.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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On big endian arm64 kernels, the xchacha20-neon and xchacha12-neon
self-tests fail because hchacha_block_neon() outputs little endian words
but the C code expects native endianness. Fix it to output the words in
native endianness (which also makes it match the arm32 version).
Fixes: cc7cf991e9eb ("crypto: arm64/chacha20 - add XChaCha20 support")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The change to encrypt a fifth ChaCha block using scalar instructions
caused the chacha20-neon, xchacha20-neon, and xchacha12-neon self-tests
to start failing on big endian arm64 kernels. The bug is that the
keystream block produced in 32-bit scalar registers is directly XOR'd
with the data words, which are loaded and stored in native endianness.
Thus in big endian mode the data bytes end up XOR'd with the wrong
bytes. Fix it by byte-swapping the keystream words in big endian mode.
Fixes: 2fe55987b262 ("crypto: arm64/chacha - use combined SIMD/ALU routine for more speed")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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1-block SSE2 variant of poly1305 stores variables s1..s4 containing key
material on the stack. This commit adds missing zeroing of the stack
memory. Benchmarks show negligible performance hit (tested on i7-3770).
Signed-off-by: Tommi Hirvola <tommi@hirvola.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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For platforms, which use a PHYS_OFFSET != 0, symbol _end also
contains that offset. So when calling memblock_reserve() for
reserving kernel the size argument needs to be adjusted.
Fixes: bcec54bf3118 ("mips: switch to NO_BOOTMEM")
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org # v4.20+
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into timers/2038
Pull additional syscall ABI cleanup for y2038 from Arnd Bergmann:
This is a follow-up to the y2038 syscall patches already merged in the tip
tree. As the final 32-bit RISC-V syscall ABI is still being decided on,
this is the last chance to make a few corrections to leave out interfaces
based on 32-bit time_t along with the old off_t and rlimit types.
The series achieves this in a few steps:
- A couple of bug fixes for minor regressions I introduced
in the original series
- A couple of older patches from Yury Norov that I had never
merged in the past, these fix up the openat/open_by_handle_at and
getrlimit/setrlimit syscalls to disallow the old versions of off_t
and rlimit.
- Hiding the deprecated system calls behind an #ifdef in
include/uapi/asm-generic/unistd.h
- Change arch/riscv to drop all these ABIs.
Originally, the plan was to also leave these out on C-Sky, but that now
has a glibc port that uses the older interfaces, so we need to leave
them in place.
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Currently, we don't coordinate BT USB activity with our handling of the
BT out-of-band wake pin, and instead just use gpio-keys. That causes
problems because we have no way of distinguishing wake activity due to a
BT device (e.g., mouse) vs. the BT controller (e.g., re-configuring wake
mask before suspend). This can cause spurious wake events just because
we, for instance, try to reconfigure the host controller's event mask
before suspending.
We can avoid these synchronization problems by handling the BT wake pin
directly in the btusb driver -- for all activity up until BT controller
suspend(), we simply listen to normal USB activity (e.g., to know the
difference between device and host activity); once we're really ready to
suspend the host controller, there should be no more host activity, and
only *then* do we unmask the GPIO interrupt.
This is already supported by btusb; we just need to describe the wake
pin in the right node.
We list 2 compatible properties, since both PID/VID pairs show up on
Scarlet devices, and they're both essentially identical QCA6174A-based
modules.
Also note that the polarity was wrong before: Qualcomm implemented WAKE
as active high, not active low. We only got away with this because
gpio-keys always reconfigured us as bi-directional edge-triggered.
Finally, we have an external pull-up and a level-shifter on this line
(we didn't notice Qualcomm's polarity in the initial design), so we
can't do pull-down. Switch to pull-none.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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My console locks up as soon as Linux writes to [88800000,88f00000[
AFAIU, that memory area is reserved for trustzone.
Extend TZ reserved memory range, to prevent Linux from stepping on
trustzone's toes.
Cc: stable@vger.kernel.org # 4.20+
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Fixes: c7833949564ec ("arm64: dts: qcom: msm8998: Add smem related nodes")
Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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The separate GPHY Firmware loader driver is not used any more, the GPHY
firmware is now loaded by the GSWIP switch driver which also makes use
of the GPHY.
Remove the old unused GPHY firmware loader driver.
The GPHY firmware is useless without an Ethernet and switch driver, it
should not harm if loading this does not work for system using an old
device tree.
I am not aware of any vendor separating the device tree from the kernel
binary, it should be ok to remove this.
The code and the functionality form this separate GPHY firmware loader
was added to the gswip driver in commit 14fceff4771e ("net: dsa: Add
Lantiq / Intel DSA driver for vrx200")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: john@phrozen.org
Cc: netdev@vger.kernel.org
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The switch to the generic dma ops made dma masks mandatory, breaking
devices having them not set. In case of bcm63xx, it broke ethernet with
the following warning when trying to up the device:
[ 2.633123] ------------[ cut here ]------------
[ 2.637949] WARNING: CPU: 0 PID: 325 at ./include/linux/dma-mapping.h:516 bcm_enetsw_open+0x160/0xbbc
[ 2.647423] Modules linked in: gpio_button_hotplug
[ 2.652361] CPU: 0 PID: 325 Comm: ip Not tainted 4.19.16 #0
[ 2.658080] Stack : 80520000 804cd3ec 00000000 00000000 804ccc00 87085bdc 87d3f9d4 804f9a17
[ 2.666707] 8049cf18 00000145 80a942a0 00000204 80ac0000 10008400 87085b90 eb3d5ab7
[ 2.675325] 00000000 00000000 80ac0000 000022b0 00000000 00000000 00000007 00000000
[ 2.683954] 0000007a 80500000 0013b381 00000000 80000000 00000000 804a1664 80289878
[ 2.692572] 00000009 00000204 80ac0000 00000200 00000002 00000000 00000000 80a90000
[ 2.701191] ...
[ 2.703701] Call Trace:
[ 2.706244] [<8001f3c8>] show_stack+0x58/0x100
[ 2.710840] [<800336e4>] __warn+0xe4/0x118
[ 2.715049] [<800337d4>] warn_slowpath_null+0x48/0x64
[ 2.720237] [<80289878>] bcm_enetsw_open+0x160/0xbbc
[ 2.725347] [<802d1d4c>] __dev_open+0xf8/0x16c
[ 2.729913] [<802d20cc>] __dev_change_flags+0x100/0x1c4
[ 2.735290] [<802d21b8>] dev_change_flags+0x28/0x70
[ 2.740326] [<803539e0>] devinet_ioctl+0x310/0x7b0
[ 2.745250] [<80355fd8>] inet_ioctl+0x1f8/0x224
[ 2.749939] [<802af290>] sock_ioctl+0x30c/0x488
[ 2.754632] [<80112b34>] do_vfs_ioctl+0x740/0x7dc
[ 2.759459] [<80112c20>] ksys_ioctl+0x50/0x94
[ 2.763955] [<800240b8>] syscall_common+0x34/0x58
[ 2.768782] ---[ end trace fb1a6b14d74e28b6 ]---
[ 2.773544] bcm63xx_enetsw bcm63xx_enetsw.0: cannot allocate rx ring 512
Fix this by adding appropriate DMA masks for the platform devices.
Fixes: f8c55dc6e828 ("MIPS: use generic dma noncoherent ops for simple noncoherent platforms")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: stable@vger.kernel.org # v4.19+
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We don't yet have an upstream glibc port for riscv, so there is no user
space for the existing ABI, and we can remove the definitions for 32-bit
time_t, off_t and struct resource and system calls based on them,
including the vdso.
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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When calling __put_user(foo(), ptr), the __put_user() macro would call
foo() in between __uaccess_begin() and __uaccess_end(). If that code
were buggy, then those bugs would be run without SMAP protection.
Fortunately, there seem to be few instances of the problem in the
kernel. Nevertheless, __put_user() should be fixed to avoid doing this.
Therefore, evaluate __put_user()'s argument before setting AC.
This issue was noticed when an objtool hack by Peter Zijlstra complained
about genregs_get() and I compared the assembly output to the C source.
[ bp: Massage commit message and fixed up whitespace. ]
Fixes: 11f1a4b9755f ("x86: reorganize SMAP handling in user space accesses")
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20190225125231.845656645@infradead.org
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