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vfs_lock_file, vfs_test_lock and vfs_cancel_lock all take both a struct
file argument and a file_lock. The file_lock has a fl_file field in it
howevever and it _must_ match the file passed in.
While most of the locks.c routines use the separately-passed file
argument, some filesystems rely on fl_file being filled out correctly.
I'm working on a patch series to remove the redundant argument from
these routines, but for now, let's ensure that the callers always set
this properly by issuing a WARN_ON_ONCE if they ever don't match.
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Trond Myklebust <trondmy@hammerspace.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- fix jump label branch range check
- check kmalloc failures in Loongson64 kexec
- fix builds with clang-14
- fix char/int handling in pic32
* tag 'mips-fixes_6.1_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: pic32: treat port as signed integer
MIPS: jump_label: Fix compat branch range check
mips: alchemy: gpio: Include the right header
MIPS: Loongson64: Add WARN_ON on kexec related kmalloc failed
MIPS: fix duplicate definitions for exported symbols
mips: boot/compressed: use __NO_FORTIFY
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Force the use of SetVirtualAddressMap() on Ampera Altra arm64
machines, which crash in SetTime() if no virtual remapping is used
This is the first time we've added an SMBIOS based quirk on arm64,
but fortunately, we can just call a EFI protocol to grab the type #1
SMBIOS record when running in the stub, so we don't need all the
machinery we have in the kernel proper to parse SMBIOS data.
- Drop a spurious warning on misaligned runtime regions when using 16k
or 64k pages on arm64
* tag 'efi-fixes-for-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
arm64: efi: Fix handling of misaligned runtime regions and drop warning
arm64: efi: Force the use of SetVirtualAddressMap() on Altra machines
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three small fixes, all in drivers.
The sas one is in an unlikely error leg, the debug one is to make it
more standards conformant and the ibmvfc one is to fix a user visible
bug where a failover could lose all paths to the device"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_debug: Make the READ CAPACITY response compliant with ZBC
scsi: scsi_transport_sas: Fix error handling in sas_phy_add()
scsi: ibmvfc: Avoid path failures during live migration
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull additional sound fix from Takashi Iwai:
"A regression fix for the latest memalloc helper change"
* tag 'sound-fix-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: memalloc: Try dma_alloc_noncontiguous() at first
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The latest fix for the non-contiguous memalloc helper changed the
allocation method for a non-IOMMU system to use only the fallback
allocator. This should have worked, but it caused a problem sometimes
when too many non-contiguous pages are allocated that can't be treated
by HD-audio controller.
As a quirk workaround, go back to the original strategy: use
dma_alloc_noncontiguous() at first, and apply the fallback only when
it fails, but only for non-IOMMU case.
We'll need a better fix in the fallback code as well, but this
workaround should paper over most cases.
Fixes: 9736a325137b ("ALSA: memalloc: Don't fall back for SG-buffer with IOMMU")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/CAHk-=wgSH5ubdvt76gNwa004ooZAEJL_1Q-Fyw5M2FDdqL==dg@mail.gmail.com
Link: https://lore.kernel.org/r/20221112084718.3305-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fixes from Damien Le Moal:
"Several libata generic code fixes for rc5:
- Add missing translation of the SYNCHRONIZE CACHE 16 scsi command as
this command is mandatory for host-managed ZBC drives.
The lack of support for it in libata-scsi was causing issues with
some passthrough applications using ZBC drives (from Shin'ichiro).
- Fix the error path of libata-transport host, port, link and device
attributes initialization (from Yingliang).
- Prevent issuing new commands to a drive that is in the NCQ error
state and undergoing recovery (From Niklas).
This bug went unnoticed for a long time as commands issued to a
drive in error state are aborted immediately and retried by the
scsi layer, hiding the useless abort-and-retry sequence"
* tag 'ata-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-core: do not issue non-internal commands once EH is pending
ata: libata-transport: fix error handling in ata_tdev_add()
ata: libata-transport: fix error handling in ata_tlink_add()
ata: libata-transport: fix error handling in ata_tport_add()
ata: libata-transport: fix double ata_host_put() in ata_tport_add()
ata: libata-scsi: fix SYNCHRONIZE CACHE (16) command failure
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"22 hotfixes.
Eight are cc:stable and the remainder address issues which were
introduced post-6.0 or which aren't considered serious enough to
justify a -stable backport"
* tag 'mm-hotfixes-stable-2022-11-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
docs: kmsan: fix formatting of "Example report"
mm/damon/dbgfs: check if rm_contexts input is for a real context
maple_tree: don't set a new maximum on the node when not reusing nodes
maple_tree: fix depth tracking in maple_state
arch/x86/mm/hugetlbpage.c: pud_huge() returns 0 when using 2-level paging
fs: fix leaked psi pressure state
nilfs2: fix use-after-free bug of ns_writer on remount
x86/traps: avoid KMSAN bugs originating from handle_bug()
kmsan: make sure PREEMPT_RT is off
Kconfig.debug: ensure early check for KMSAN in CONFIG_KMSAN_WARN
x86/uaccess: instrument copy_from_user_nmi()
kmsan: core: kmsan_in_runtime() should return true in NMI context
mm: hugetlb_vmemmap: include missing linux/moduleparam.h
mm/shmem: use page_mapping() to detect page cache for uffd continue
mm/memremap.c: map FS_DAX device memory as decrypted
Partly revert "mm/thp: carry over dirty bit when thp splits on pmd"
nilfs2: fix deadlock in nilfs_count_free_blocks()
mm/mmap: fix memory leak in mmap_region()
hugetlbfs: don't delete error page from pagecache
maple_tree: reorganize testing to restore module testing
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Another fix for rodata=full. Since rodata= is not a simple boolean on
arm64 (accepting 'full' as well), it got inadvertently broken by
changes in the core code. If rodata=on is the default and rodata=off
is passed on the kernel command line, rodata_full is never disabled
- Fix gcc compiler warning of shifting 0xc0 into bits 31:24 without an
explicit conversion to u32 (triggered by the AMPERE1 MIDR definition)
- Include asm/ptrace.h in asm/syscall_wrapper.h to fix an incomplete
struct pt_regs type causing the BPF verifier to refuse to load a
tracing program which accesses pt_regs
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/syscall: Include asm/ptrace.h in syscall_wrapper header.
arm64: Fix bit-shifting UB in the MIDR_CPU_MODEL() macro
arm64: fix rodata=full again
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While the ATA specification states that a device should return command
aborted for all commands queued after the device has entered error state,
since ATA only keeps the sense data for the latest command (in non-NCQ
case), we really don't want to send block layer commands to the device
after it has entered error state. (Only ATA EH commands should be sent,
to read the sense data etc.)
Currently, scsi_queue_rq() will check if scsi_host_in_recovery()
(state is SHOST_RECOVERY), and if so, it will _not_ issue a command via:
scsi_dispatch_cmd() -> host->hostt->queuecommand() (ata_scsi_queuecmd())
-> __ata_scsi_queuecmd() -> ata_scsi_translate() -> ata_qc_issue()
Before commit e494f6a72839 ("[SCSI] improved eh timeout handler"),
when receiving a TFES error IRQ, the call chain looked like this:
ahci_error_intr() -> ata_port_abort() -> ata_do_link_abort() ->
ata_qc_complete() -> ata_qc_schedule_eh() -> blk_abort_request() ->
blk_rq_timed_out() -> q->rq_timed_out_fn() (scsi_times_out()) ->
scsi_eh_scmd_add() -> scsi_host_set_state(shost, SHOST_RECOVERY)
Which meant that as soon as an error IRQ was serviced, SHOST_RECOVERY
would be set.
However, after commit e494f6a72839 ("[SCSI] improved eh timeout handler"),
scsi_times_out() will instead call scsi_abort_command() which will queue
delayed work, and the worker function scmd_eh_abort_handler() will call
scsi_eh_scmd_add(), which calls scsi_host_set_state(shost, SHOST_RECOVERY).
So now, after the TFES error IRQ has been serviced, we need to wait for
the SCSI workqueue to run its work before SHOST_RECOVERY gets set.
It is worth noting that, even before commit e494f6a72839 ("[SCSI] improved
eh timeout handler"), we could receive an error IRQ from the time when
scsi_queue_rq() checks scsi_host_in_recovery(), to the time when
ata_scsi_queuecmd() is actually called.
In order to handle both the delayed setting of SHOST_RECOVERY and the
window where we can receive an error IRQ, add a check against
ATA_PFLAG_EH_PENDING (which gets set when servicing the error IRQ),
inside ata_scsi_queuecmd() itself, while holding the ap->lock.
(Since the ap->lock is held while servicing IRQs.)
Fixes: e494f6a72839 ("[SCSI] improved eh timeout handler")
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Tested-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- Quiet user passthrough command errors (Keith Busch)
- Fix memory leak in nvmet_subsys_attr_model_store_locked
- Fix a memory leak in nvmet-auth (Sagi Grimberg)
- Fix a potential NULL point deref in bfq (Yu)
- Allocate command/response buffers separately for DMA for sed-opal,
rather than rely on embedded alignment (Serge)
* tag 'block-6.1-2022-11-11' of git://git.kernel.dk/linux:
nvmet: fix a memory leak
nvmet: fix memory leak in nvmet_subsys_attr_model_store_locked
nvme: quiet user passthrough command errors
block: sed-opal: kmalloc the cmd/resp buffers
block, bfq: fix null pointer dereference in bfq_bio_bfqg()
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Pull io_uring fixes from Jens Axboe:
"Nothing major, just a few minor tweaks:
- Tweak for the TCP zero-copy io_uring self test (Pavel)
- Rather than use our internal cached value of number of CQ events
available, use what the user can see (Dylan)
- Fix a typo in a comment, added in this release (me)
- Don't allow wrapping while adding provided buffers (me)
- Fix a double poll race, and add a lockdep assertion for it too
(Pavel)"
* tag 'io_uring-6.1-2022-11-11' of git://git.kernel.dk/linux:
io_uring/poll: lockdep annote io_poll_req_insert_locked
io_uring/poll: fix double poll req->flags races
io_uring: check for rollover of buffer ID when providing buffers
io_uring: calculate CQEs from the user visible value
io_uring: fix typo in io_uring.h comment
selftests/net: don't tests batched TCP io_uring zc
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- fix memcpy warning about field-spanning write in zcrypt driver
- minor updates to defconfigs
- remove CONFIG_DEBUG_INFO_BTF from all defconfigs and add btf.config
addon config file. It significantly decreases compile time and allows
quickly enabling that option into the current kernel config
- add kasan.config addon config file which allows to easily enable
KASAN into the current kernel config
- binutils commit 906f69cf65da ("IBM zSystems: Issue error for *DBL
relocs on misaligned symbols") caused several link errors. Always
build relocatable kernel to avoid this problem
- raise the minimum clang version to 15.0.0 to avoid silent generation
of a corrupted code
* tag 's390-6.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
scripts/min-tool-version.sh: raise minimum clang version to 15.0.0 for s390
s390: always build relocatable kernel
s390/configs: add kasan.config addon config file
s390/configs: move CONFIG_DEBUG_INFO_BTF into btf.config addon config
s390: update defconfigs
s390/zcrypt: fix warning about field-spanning write
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull kernel hardening fix from Kees Cook:
- Fix !SMP placement of '.data..decrypted' section (Nathan Chancellor)
* tag 'hardening-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
vmlinux.lds.h: Fix placement of '.data..decrypted' section
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Fix an export leak
- Fix a potential tracepoint crash
* tag 'nfsd-6.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: put the export reference in nfsd4_verify_deleg_dentry
nfsd: fix use-after-free in nfsd_file_do_acquire tracepoint
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF fix from Jan Kara:
"Fix a possible memory corruption with UDF"
* tag 'fixes_for_v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Fix a slab-out-of-bounds write bug in udf_find_entry()
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix 'perf stat' crash with --per-node --metric-only in CSV mode, due
to the AGGR_NODE slot in the 'aggr_header_csv' array not being set.
- Fix printing prefix in CSV output of 'perf stat' metrics in interval
mode (-I), where an extra separator was being added to the start of
some lines.
- Fix skipping branch stack sampling 'perf test' entry, that was using
both --branch-any and --branch-filter, which can't be used together.
* tag 'perf-tools-fixes-for-v6.1-2-2022-11-10' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf tools: Add the include/perf/ directory to .gitignore
perf test: Fix skipping branch stack sampling test
perf stat: Fix printing os->prefix in CSV metrics output
perf stat: Fix crash with --per-node --metric-only in CSV mode
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to add the missing PWM LEDs into the SiFive HiFive Unleashed
device tree.
- A fix to fully clear a task's registers on creation, as they end up
in userspace and thus leak kernel memory.
- A pair of VDSO-related build fixes that manifest on recent LLVM-based
toolchains.
- A fix to our early init to ensure the DT is adequately processed
before reserved memory nodes are processed.
* tag 'riscv-for-linus-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: vdso: Do not add missing symbols to version section in linker script
riscv: fix reserved memory setup
riscv: vdso: fix build with llvm
riscv: process: fix kernel info leakage
riscv: dts: sifive unleashed: Add PWM controlled LEDs
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Pull kvm
"This is a pretty large diffstat for this time of the release. The main
culprit is a reorganization of the AMD assembly trampoline, allowing
percpu variables to be accessed early.
This is needed for the return stack depth tracking retbleed mitigation
that will be in 6.2, but it also makes it possible to tighten the IBRS
restore on vmexit. The latter change is a long tail of the
spectrev2/retbleed patches (the corresponding Intel change was simpler
and went in already last June), which is why I am including it right
now instead of sharing a topic branch with tip.
Being assembly and being rich in comments makes the line count balloon
a bit, but I am pretty confident in the change (famous last words)
because the reorganization actually makes everything simpler and more
understandable than before. It has also had external review and has
been tested on the aforementioned 6.2 changes, which explode quite
brutally without the fix.
Apart from this, things are pretty normal.
s390:
- PCI fix
- PV clock fix
x86:
- Fix clash between PMU MSRs and other MSRs
- Prepare SVM assembly trampoline for 6.2 retbleed mitigation and
for...
- ... tightening IBRS restore on vmexit, moving it before the first
RET or indirect branch
- Fix log level for VMSA dump
- Block all page faults during kvm_zap_gfn_range()
Tools:
- kvm_stat: fix incorrect detection of debugfs
- kvm_stat: update vmexit definitions"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: Block all page faults during kvm_zap_gfn_range()
KVM: x86/pmu: Limit the maximum number of supported AMD GP counters
KVM: x86/pmu: Limit the maximum number of supported Intel GP counters
KVM: x86/pmu: Do not speculatively query Intel GP PMCs that don't exist yet
KVM: SVM: Only dump VMSA to klog at KERN_DEBUG level
tools/kvm_stat: update exit reasons for vmx/svm/aarch64/userspace
tools/kvm_stat: fix incorrect detection of debugfs
x86, KVM: remove unnecessary argument to x86_virt_spec_ctrl and callers
KVM: SVM: move MSR_IA32_SPEC_CTRL save/restore to assembly
KVM: SVM: restore host save area from assembly
KVM: SVM: move guest vmsave/vmload back to assembly
KVM: SVM: do not allocate struct svm_cpu_data dynamically
KVM: SVM: remove dead field from struct svm_cpu_data
KVM: SVM: remove unused field from struct vcpu_svm
KVM: SVM: retrieve VMCB from assembly
KVM: SVM: adjust register allocation for __svm_vcpu_run()
KVM: SVM: replace regs argument of __svm_vcpu_run() with vcpu_svm
KVM: x86: use a separate asm-offsets.c file
KVM: s390: pci: Fix allocation size of aift kzdev elements
KVM: s390: pv: don't allow userspace to set the clock under PV
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- Fix TSC MSR write for root partition (Anirudh Rayabharam)
- Fix definition of vector in pci-hyperv driver (Dexuan Cui)
- A few other misc patches
* tag 'hyperv-fixes-signed-20221110' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
PCI: hv: Fix the definition of vector in hv_compose_msi_msg()
MAINTAINERS: remove sthemmin
x86/hyperv: fix invalid writes to MSRs during root partition kexec
clocksource/drivers/hyperv: add data structure for reference TSC MSR
Drivers: hv: fix repeated words in comments
x86/hyperv: Remove BUG_ON() for kmap_local_page()
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"Misc minor driver fixes and a big pile of at_hdmac driver fixes. More
work on this driver is done and sitting in next:
- Pile of at_hdmac driver rework which fixes many long standing
issues for this driver.
- couple of stm32 driver fixes for clearing structure and race fix
- idxd fixes for RO device state and batch size
- ti driver mem leak fix
- apple fix for grabbing channels in xlate
- resource leak fix in mv xor"
* tag 'dmaengine-fix-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (24 commits)
dmaengine: at_hdmac: Check return code of dma_async_device_register
dmaengine: at_hdmac: Fix impossible condition
dmaengine: at_hdmac: Don't allow CPU to reorder channel enable
dmaengine: at_hdmac: Fix completion of unissued descriptor in case of errors
dmaengine: at_hdmac: Fix descriptor handling when issuing it to hardware
dmaengine: at_hdmac: Fix concurrency over the active list
dmaengine: at_hdmac: Free the memset buf without holding the chan lock
dmaengine: at_hdmac: Fix concurrency over descriptor
dmaengine: at_hdmac: Fix concurrency problems by removing atc_complete_all()
dmaengine: at_hdmac: Protect atchan->status with the channel lock
dmaengine: at_hdmac: Do not call the complete callback on device_terminate_all
dmaengine: at_hdmac: Fix premature completion of desc in issue_pending
dmaengine: at_hdmac: Start transfer for cyclic channels in issue_pending
dmaengine: at_hdmac: Don't start transactions at tx_submit level
dmaengine: at_hdmac: Fix at_lli struct definition
dmaengine: stm32-dma: fix potential race between pause and resume
dmaengine: ti: k3-udma-glue: fix memory leak when register device fail
dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove()
dmaengine: apple-admac: Fix grabbing of channels in of_xlate
dmaengine: idxd: fix RO device state error after been disabled/reset
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A relatively large batch of fixes here but all device specific, plus
an update to MAINTAINERS.
The summary print change to the STM32 driver is fixing an issue where
the driver could easily end up spamming the logs with something that
should be a debug message"
* tag 'spi-fix-v6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: amd: Fix SPI_SPD7 value
spi: stm32: fix stm32_spi_prepare_mbr() that halves spi clk for every run
spi: meson-spicc: fix do_div build error on non-arm64
spi: intel: Use correct mask for flash and protected regions
spi: mediatek: Fix package division error
spi: tegra210-quad: Don't initialise DMA if not supported
MAINTAINERS: Update HiSilicon SFC Driver maintainer
spi: meson-spicc: move wait completion in driver to take bursts delay in account
spi: stm32: Print summary 'callbacks suppressed' message
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- Provide helper for resetting both SDHCI and CQHCI
- Fix reset for CQHCI (am654, brcmstb, esdhc-imx, of-arasan, tegra)
- Fixup support for MMC_CAP_8_BIT_DATA (esdhc-imx)
* tag 'mmc-v6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-esdhc-imx: use the correct host caps for MMC_CAP_8_BIT_DATA
mmc: sdhci_am654: Fix SDHCI_RESET_ALL for CQHCI
mmc: sdhci-tegra: Fix SDHCI_RESET_ALL for CQHCI
mms: sdhci-esdhc-imx: Fix SDHCI_RESET_ALL for CQHCI
mmc: sdhci-brcmstb: Fix SDHCI_RESET_ALL for CQHCI
mmc: sdhci-of-arasan: Fix SDHCI_RESET_ALL for CQHCI
mmc: cqhci: Provide helper for resetting both SDHCI and CQHCI
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- fix for memory leak (on error path) in Hyper-V driver (Yang
Yingliang)
- regression fix for handling 3rd barrel switch emulation in Wacom
driver (Jason Gerecke)
* tag 'for-linus-2022111101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: wacom: Fix logic used for 3rd barrel switch emulation
HID: hyperv: fix possible memory leak in mousevsc_probe()
HID: asus: Remove unused variable in asus_report_tool_width()
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Add a lockdep annotation in io_poll_req_insert_locked().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8115d8e702733754d0aea119e9b5bb63d1eb8b24.1668184658.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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io_poll_double_prepare() | io_poll_wake()
| poll->head = NULL
smp_load(&poll->head); /* NULL */ |
flags = req->flags; |
| req->flags &= ~SINGLE_POLL;
req->flags = flags | DOUBLE_POLL |
The idea behind io_poll_double_prepare() is to serialise with the
first poll entry by taking the wq lock. However, it's not safe to assume
that io_poll_wake() is not running when we can't grab the lock and so we
may race modifying req->flags.
Skip double poll setup if that happens. It's ok because the first poll
entry will only be removed when it's definitely completing, e.g.
pollfree or oneshot with a valid mask.
Fixes: 49f1c68e048f1 ("io_uring: optimise submission side poll_refs")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b7fab2d502f6121a7d7b199fe4d914a43ca9cdfd.1668184658.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Things look calming down, as this contains only a few small fixes:
- Fix for a corner-case bug with SG-buffer page allocation helper
- A regression fix for Roland USB-audio device probe
- A potential memory leak fix at the error path
- Handful quirks and device-specific fixes for HD- and USB-audio"
* tag 'sound-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: fix potential memleak in 'add_widget_node'
ALSA: memalloc: Don't fall back for SG-buffer with IOMMU
ALSA: usb-audio: add quirk to fix Hamedal C20 disconnect issue
ALSA: hda/realtek: Add Positivo C6300 model quirk
ALSA: usb-audio: Add DSD support for Accuphase DAC-60
ALSA: usb-audio: Add quirk entry for M-Audio Micro
ALSA: hda/hdmi - enable runtime pm for more AMD display audio
ALSA: usb-audio: Remove redundant workaround for Roland quirk
ALSA: usb-audio: Yet more regression for for the delayed card registration
ALSA: hda/ca0132: add quirk for EVGA Z390 DARK
ALSA: hda: clarify comments on SCF changes
ALSA: arm: pxa: pxa2xx-ac97-lib: fix return value check of platform_get_irq()
ALSA: hda/realtek: Add quirk for ASUS Zenbook using CS35L41
|
|
Pull drm fixes from Dave Airlie:
"Weekly pull request for graphics, mostly amdgpu and i915, with a
couple of fixes for vc4 and panfrost, panel quirks and a kconfig
change for rcar-du. Nothing seems to be too strange at this stage.
amdgpu:
- Fix s/r in amdgpu_vram_mgr_new
- SMU 13.0.4 update
- GPUVM TLB race fix
- DCN 3.1.4 fixes
- DCN 3.2.x fixes
- Vega10 fan fix
- BACO fix for Beige Goby board
- PSR fix
- GPU VM PT locking fixes
amdkfd:
- CRIU fixes
vc4:
- HDMI fixes to vc4.
panfrost:
- Make panfrost's uapi header compile with C++.
- Handle 1 gb boundary correctly in panfrost mmu code.
panel:
- Add rotation quirks for 2 panels.
rcar-du:
- DSI Kconfig fix
i915:
- Fix sg_table handling in map_dma_buf
- Send PSR update also on invalidate
- Do not set cache_dirty for DGFX
- Restore userptr probe_range behaviour"
* tag 'drm-fixes-2022-11-11' of git://anongit.freedesktop.org/drm/drm: (29 commits)
drm/amd/display: only fill dirty rectangles when PSR is enabled
drm/amdgpu: disable BACO on special BEIGE_GOBY card
drm/amdgpu: Drop eviction lock when allocating PT BO
drm/amdgpu: Unlock bo_list_mutex after error handling
Revert "drm/amdgpu: Revert "drm/amdgpu: getting fan speed pwm for vega10 properly""
drm/amd/display: Enforce minimum prefetch time for low memclk on DCN32
drm/amd/display: Fix gpio port mapping issue
drm/amd/display: Fix reg timeout in enc314_enable_fifo
drm/amd/display: Fix FCLK deviation and tool compile issues
drm/amd/display: Zeromem mypipe heap struct before using it
drm/amd/display: Update SR watermarks for DCN314
drm/amdgpu: workaround for TLB seq race
drm/amdkfd: Fix error handling in criu_checkpoint
drm/amdkfd: Fix error handling in kfd_criu_restore_events
drm/amd/pm: update SMU IP v13.0.4 msg interface header
drm: rcar-du: Fix Kconfig dependency between RCAR_DU and RCAR_MIPI_DSI
drm/panfrost: Split io-pgtable requests properly
drm/amdgpu: Fix the lpfn checking condition in drm buddy
drm: panel-orientation-quirks: Add quirk for Acer Switch V 10 (SW5-017)
drm: panel-orientation-quirks: Add quirk for Nanote UMPC-01
...
|
|
get_port_from_cmdline() returns an int, yet is assigned to a char, which
is wrong in its own right, but also, with char becoming unsigned, this
poses problems, because -1 is used as an error value. Further
complicating things, fw_init_early_console() is only ever called with a
-1 argument. Fix this up by removing the unused argument from
fw_init_early_console() and treating port as a proper signed integer.
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
|
Cast upper bound of branch range to long to do signed compare,
avoid negative offset trigger this warning.
Fixes: 9b6584e35f40 ("MIPS: jump_label: Use compact branches for >= r6")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
|
The local GPIO driver in the MIPS Alchemy is including the legacy
<linux/gpio.h> header but what it wants is to implement a GPIO
driver so include <linux/gpio/driver.h> instead.
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-gpio@vger.kernel.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
|
Add WARN_ON on kexec related kmalloc failed, avoid to pass NULL pointer
to following memcpy and loongson_kexec_prepare.
Fixes: 6ce48897ce47 ("MIPS: Loongson64: Add kexec/kdump support")
Signed-off-by: Liao Chang <liaochang1@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
|
Building with clang-14 fails with:
AS arch/mips/kernel/relocate_kernel.o
<unknown>:0: error: symbol 'kexec_args' is already defined
<unknown>:0: error: symbol 'secondary_kexec_args' is already defined
<unknown>:0: error: symbol 'kexec_start_address' is already defined
<unknown>:0: error: symbol 'kexec_indirection_page' is already defined
<unknown>:0: error: symbol 'relocate_new_kernel_size' is already defined
It turns out EXPORT defined in asm/asm.h expands to a symbol definition,
so there is no need to define these symbols again. Remove duplicated
symbol definitions.
Fixes: 7aa1c8f47e7e ("MIPS: kdump: Add support")
Signed-off-by: Rongwei Zhang <pudh4418@gmail.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
|
In the mips CONFIG_SYS_SUPPORTS_ZBOOT kernel, fix the compile error
when using CONFIG_FORTIFY_SOURCE=y
LD vmlinuz
mipsel-openwrt-linux-musl-ld: arch/mips/boot/compressed/decompress.o: in
function `decompress_kernel':
./include/linux/decompress/mm.h:(.text.decompress_kernel+0x177c):
undefined reference to `warn_slowpath_fmt'
kernel test robot helped identify this as related to fortify. The error
appeared with commit 54d9469bc515 ("fortify: Add run-time WARN for
cross-field memcpy()")
Link: https://lore.kernel.org/r/202209161144.x9xSqNQZ-lkp@intel.com/
Resolve this in the same style as commit cfecea6ead5f ("lib/string:
Move helper functions out of string.c")
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 54d9469bc515 ("fortify: Add run-time WARN for cross-field memcpy()")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: John Thomson <git@johnthomson.fastmail.com.au>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
|
When zapping a GFN range, pass 0 => ALL_ONES for the to-be-invalidated
range to effectively block all page faults while the zap is in-progress.
The invalidation helpers take a host virtual address, whereas zapping a
GFN obviously provides a guest physical address and with the wrong unit
of measurement (frame vs. byte).
Alternatively, KVM could walk all memslots to get the associated HVAs,
but thanks to SMM, that would require multiple lookups. And practically
speaking, kvm_zap_gfn_range() usage is quite rare and not a hot path,
e.g. MTRR and CR0.CD are almost guaranteed to be done only on vCPU0
during boot, and APICv inhibits are similarly infrequent operations.
Fixes: edb298c663fc ("KVM: x86/mmu: bump mmu notifier count in kvm_zap_gfn_range")
Reported-by: Chao Peng <chao.p.peng@linux.intel.com>
Cc: stable@vger.kernel.org
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20221111001841.2412598-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
In ata_tdev_add(), the return value of transport_add_device() is
not checked. As a result, it causes null-ptr-deref while removing
the module, because transport_remove_device() is called to remove
the device that was not added.
Unable to handle kernel NULL pointer dereference at virtual address 00000000000000d0
CPU: 13 PID: 13603 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #36
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : device_del+0x48/0x3a0
lr : device_del+0x44/0x3a0
Call trace:
device_del+0x48/0x3a0
attribute_container_class_device_del+0x28/0x40
transport_remove_classdev+0x60/0x7c
attribute_container_device_trigger+0x118/0x120
transport_remove_device+0x20/0x30
ata_tdev_delete+0x24/0x50 [libata]
ata_tlink_delete+0x40/0xa0 [libata]
ata_tport_delete+0x2c/0x60 [libata]
ata_port_detach+0x148/0x1b0 [libata]
ata_pci_remove_one+0x50/0x80 [libata]
ahci_remove_one+0x4c/0x8c [ahci]
Fix this by checking and handling return value of transport_add_device()
in ata_tdev_add(). In the error path, device_del() is called to delete
the device which was added earlier in this function, and ata_tdev_free()
is called to free ata_dev.
Fixes: d9027470b886 ("[libata] Add ATA transport class")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
|
|
In ata_tlink_add(), the return value of transport_add_device() is
not checked. As a result, it causes null-ptr-deref while removing
the module, because transport_remove_device() is called to remove
the device that was not added.
Unable to handle kernel NULL pointer dereference at virtual address 00000000000000d0
CPU: 33 PID: 13850 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #12
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : device_del+0x48/0x39c
lr : device_del+0x44/0x39c
Call trace:
device_del+0x48/0x39c
attribute_container_class_device_del+0x28/0x40
transport_remove_classdev+0x60/0x7c
attribute_container_device_trigger+0x118/0x120
transport_remove_device+0x20/0x30
ata_tlink_delete+0x88/0xb0 [libata]
ata_tport_delete+0x2c/0x60 [libata]
ata_port_detach+0x148/0x1b0 [libata]
ata_pci_remove_one+0x50/0x80 [libata]
ahci_remove_one+0x4c/0x8c [ahci]
Fix this by checking and handling return value of transport_add_device()
in ata_tlink_add().
Fixes: d9027470b886 ("[libata] Add ATA transport class")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
|
|
In ata_tport_add(), the return value of transport_add_device() is
not checked. As a result, it causes null-ptr-deref while removing
the module, because transport_remove_device() is called to remove
the device that was not added.
Unable to handle kernel NULL pointer dereference at virtual address 00000000000000d0
CPU: 12 PID: 13605 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #8
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : device_del+0x48/0x39c
lr : device_del+0x44/0x39c
Call trace:
device_del+0x48/0x39c
attribute_container_class_device_del+0x28/0x40
transport_remove_classdev+0x60/0x7c
attribute_container_device_trigger+0x118/0x120
transport_remove_device+0x20/0x30
ata_tport_delete+0x34/0x60 [libata]
ata_port_detach+0x148/0x1b0 [libata]
ata_pci_remove_one+0x50/0x80 [libata]
ahci_remove_one+0x4c/0x8c [ahci]
Fix this by checking and handling return value of transport_add_device()
in ata_tport_add().
Fixes: d9027470b886 ("[libata] Add ATA transport class")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
|
|
In the error path in ata_tport_add(), when calling put_device(),
ata_tport_release() is called, it will put the refcount of 'ap->host'.
And then ata_host_put() is called again, the refcount is decreased
to 0, ata_host_release() is called, all ports are freed and set to
null.
When unbinding the device after failure, ata_host_stop() is called
to release the resources, it leads a null-ptr-deref(), because all
the ports all freed and null.
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
CPU: 7 PID: 18671 Comm: modprobe Kdump: loaded Tainted: G E 6.1.0-rc3+ #8
pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ata_host_stop+0x3c/0x84 [libata]
lr : release_nodes+0x64/0xd0
Call trace:
ata_host_stop+0x3c/0x84 [libata]
release_nodes+0x64/0xd0
devres_release_all+0xbc/0x1b0
device_unbind_cleanup+0x20/0x70
really_probe+0x158/0x320
__driver_probe_device+0x84/0x120
driver_probe_device+0x44/0x120
__driver_attach+0xb4/0x220
bus_for_each_dev+0x78/0xdc
driver_attach+0x2c/0x40
bus_add_driver+0x184/0x240
driver_register+0x80/0x13c
__pci_register_driver+0x4c/0x60
ahci_pci_driver_init+0x30/0x1000 [ahci]
Fix this by removing redundant ata_host_put() in the error path.
Fixes: 2623c7a5f279 ("libata: add refcounting to ata_host")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wifi, can and bpf.
Current release - new code bugs:
- can: af_can: can_exit(): add missing dev_remove_pack() of
canxl_packet
Previous releases - regressions:
- bpf, sockmap: fix the sk->sk_forward_alloc warning
- wifi: mac80211: fix general-protection-fault in
ieee80211_subif_start_xmit()
- can: af_can: fix NULL pointer dereference in can_rx_register()
- can: dev: fix skb drop check, avoid o-o-b access
- nfnetlink: fix potential dead lock in nfnetlink_rcv_msg()
Previous releases - always broken:
- bpf: fix wrong reg type conversion in release_reference()
- gso: fix panic on frag_list with mixed head alloc types
- wifi: brcmfmac: fix buffer overflow in brcmf_fweh_event_worker()
- wifi: mac80211: set TWT Information Frame Disabled bit as 1
- eth: macsec offload related fixes, make sure to clear the keys from
memory
- tun: fix memory leaks in the use of napi_get_frags
- tun: call napi_schedule_prep() to ensure we own a napi
- tcp: prohibit TCP_REPAIR_OPTIONS if data was already sent
- ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to
network
- tipc: fix a msg->req tlv length check
- sctp: clear out_curr if all frag chunks of current msg are pruned,
avoid list corruption
- mctp: fix an error handling path in mctp_init(), avoid leaks"
* tag 'net-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits)
eth: sp7021: drop free_netdev() from spl2sw_init_netdev()
MAINTAINERS: Move Vivien to CREDITS
net: macvlan: fix memory leaks of macvlan_common_newlink
ethernet: tundra: free irq when alloc ring failed in tsi108_open()
net: mv643xx_eth: disable napi when init rxq or txq failed in mv643xx_eth_open()
ethernet: s2io: disable napi when start nic failed in s2io_card_up()
net: atlantic: macsec: clear encryption keys from the stack
net: phy: mscc: macsec: clear encryption keys when freeing a flow
stmmac: dwmac-loongson: fix missing of_node_put() while module exiting
stmmac: dwmac-loongson: fix missing pci_disable_device() in loongson_dwmac_probe()
stmmac: dwmac-loongson: fix missing pci_disable_msi() while module exiting
cxgb4vf: shut down the adapter when t4vf_update_port_info() failed in cxgb4vf_open()
mctp: Fix an error handling path in mctp_init()
stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz
net: cxgb3_main: disable napi when bind qsets failed in cxgb_up()
net: cpsw: disable napi in cpsw_ndo_open()
iavf: Fix VF driver counting VLAN 0 filters
ice: Fix spurious interrupt during removal of trusted VF
net/mlx5e: TC, Fix slab-out-of-bounds in parse_tc_actions
net/mlx5e: E-Switch, Fix comparing termination table instance
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2022-11-02
This series provides bug fixes to mlx5 driver.
* tag 'mlx5-fixes-2022-11-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5e: TC, Fix slab-out-of-bounds in parse_tc_actions
net/mlx5e: E-Switch, Fix comparing termination table instance
net/mlx5e: TC, Fix wrong rejection of packet-per-second policing
net/mlx5e: Fix tc acts array not to be dependent on enum order
net/mlx5e: Fix usage of DMA sync API
net/mlx5e: Add missing sanity checks for max TX WQE size
net/mlx5: fw_reset: Don't try to load device in case PCI isn't working
net/mlx5: E-switch, Set to legacy mode if failed to change switchdev mode
net/mlx5: Allow async trigger completion execution on single CPU systems
net/mlx5: Bridge, verify LAG state when adding bond to bridge
====================
Link: https://lore.kernel.org/r/20221109184050.108379-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-11-09 (ice, iavf)
This series contains updates to ice and iavf drivers.
Norbert stops disabling VF queues that are not enabled for ice driver.
Michal stops accounting of VLAN 0 filter to match expectations of PF
driver for iavf.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
iavf: Fix VF driver counting VLAN 0 filters
ice: Fix spurious interrupt during removal of trusted VF
====================
Link: https://lore.kernel.org/r/20221110003744.201414-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
It's not necessary to free netdev allocated with devm_alloc_etherdev()
and using free_netdev() leads to double free.
Fixes: fd3040b9394c ("net: ethernet: Add driver for Sunplus SP7021")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20221109150116.2988194-1-weiyongjun@huaweicloud.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix sg_table handling in map_dma_buf (Matthew Auld)
- Send PSR update also on invalidate (Jouni Högander)
- Do not set cache_dirty for DGFX (Niranjana Vishwanathapura)
- Restore userptr probe_range behaviour (Matthew Auld)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Y2zCy5q85qE9W0J8@tursulin-desk
|
|
Recently, ld.lld moved from '--undefined-version' to
'--no-undefined-version' as the default, which breaks the compat vDSO
build:
ld.lld: error: version script assignment of 'LINUX_4.15' to symbol '__vdso_gettimeofday' failed: symbol not defined
ld.lld: error: version script assignment of 'LINUX_4.15' to symbol '__vdso_clock_gettime' failed: symbol not defined
ld.lld: error: version script assignment of 'LINUX_4.15' to symbol '__vdso_clock_getres' failed: symbol not defined
These symbols are not present in the compat vDSO or the regular vDSO for
32-bit but they are unconditionally included in the version section of
the linker script, which is prohibited with '--no-undefined-version'.
Fix this issue by only including the symbols that are actually exported
in the version section of the linker script.
Link: https://github.com/ClangBuiltLinux/linux/issues/1756
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221108171324.3377226-1-nathan@kernel.org/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
Currently, RISC-V sets up reserved memory using the "early" copy of the
device tree. As a result, when trying to get a reserved memory region
using of_reserved_mem_lookup(), the pointer to reserved memory regions
is using the early, pre-virtual-memory address which causes a kernel
panic when trying to use the buffer's name:
Unable to handle kernel paging request at virtual address 00000000401c31ac
Oops [#1]
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 6.0.0-rc1-00001-g0d9d6953d834 #1
Hardware name: Microchip PolarFire-SoC Icicle Kit (DT)
epc : string+0x4a/0xea
ra : vsnprintf+0x1e4/0x336
epc : ffffffff80335ea0 ra : ffffffff80338936 sp : ffffffff81203be0
gp : ffffffff812e0a98 tp : ffffffff8120de40 t0 : 0000000000000000
t1 : ffffffff81203e28 t2 : 7265736572203a46 s0 : ffffffff81203c20
s1 : ffffffff81203e28 a0 : ffffffff81203d22 a1 : 0000000000000000
a2 : ffffffff81203d08 a3 : 0000000081203d21 a4 : ffffffffffffffff
a5 : 00000000401c31ac a6 : ffff0a00ffffff04 a7 : ffffffffffffffff
s2 : ffffffff81203d08 s3 : ffffffff81203d00 s4 : 0000000000000008
s5 : ffffffff000000ff s6 : 0000000000ffffff s7 : 00000000ffffff00
s8 : ffffffff80d9821a s9 : ffffffff81203d22 s10: 0000000000000002
s11: ffffffff80d9821c t3 : ffffffff812f3617 t4 : ffffffff812f3617
t5 : ffffffff812f3618 t6 : ffffffff81203d08
status: 0000000200000100 badaddr: 00000000401c31ac cause: 000000000000000d
[<ffffffff80338936>] vsnprintf+0x1e4/0x336
[<ffffffff80055ae2>] vprintk_store+0xf6/0x344
[<ffffffff80055d86>] vprintk_emit+0x56/0x192
[<ffffffff80055ed8>] vprintk_default+0x16/0x1e
[<ffffffff800563d2>] vprintk+0x72/0x80
[<ffffffff806813b2>] _printk+0x36/0x50
[<ffffffff8068af48>] print_reserved_mem+0x1c/0x24
[<ffffffff808057ec>] paging_init+0x528/0x5bc
[<ffffffff808031ae>] setup_arch+0xd0/0x592
[<ffffffff8080070e>] start_kernel+0x82/0x73c
early_init_fdt_scan_reserved_mem() takes no arguments as it operates on
initial_boot_params, which is populated by early_init_dt_verify(). On
RISC-V, early_init_dt_verify() is called twice. Once, directly, in
setup_arch() if CONFIG_BUILTIN_DTB is not enabled and once indirectly,
very early in the boot process, by parse_dtb() when it calls
early_init_dt_scan_nodes().
This first call uses dtb_early_va to set initial_boot_params, which is
not usable later in the boot process when
early_init_fdt_scan_reserved_mem() is called. On arm64 for example, the
corresponding call to early_init_dt_scan_nodes() uses fixmap addresses
and doesn't suffer the same fate.
Move early_init_fdt_scan_reserved_mem() further along the boot sequence,
after the direct call to early_init_dt_verify() in setup_arch() so that
the names use the correct virtual memory addresses. The above supposed
that CONFIG_BUILTIN_DTB was not set, but should work equally in the case
where it is - unflatted_and_copy_device_tree() also updates
initial_boot_params.
Reported-by: Valentina Fernandez <valentina.fernandezalanis@microchip.com>
Reported-by: Evgenii Shatokhin <e.shatokhin@yadro.com>
Link: https://lore.kernel.org/linux-riscv/f8e67f82-103d-156c-deb0-d6d6e2756f5e@microchip.com/
Fixes: 922b0375fc93 ("riscv: Fix memblock reservation for device tree blob")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Evgenii Shatokhin <e.shatokhin@yadro.com>
Link: https://lore.kernel.org/r/20221107151524.3941467-1-conor.dooley@microchip.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Currently, when mapping the EFI runtime regions in the EFI page tables,
we complain about misaligned regions in a rather noisy way, using
WARN().
Not only does this produce a lot of irrelevant clutter in the log, it is
factually incorrect, as misaligned runtime regions are actually allowed
by the EFI spec as long as they don't require conflicting memory types
within the same 64k page.
So let's drop the warning, and tweak the code so that we
- take both the start and end of the region into account when checking
for misalignment
- only revert to RWX mappings for non-code regions if misaligned code
regions are also known to exist.
Cc: <stable@vger.kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Ampere Altra machines are reported to misbehave when the SetTime() EFI
runtime service is called after ExitBootServices() but before calling
SetVirtualAddressMap(). Given that the latter is horrid, pointless and
explicitly documented as optional by the EFI spec, we no longer invoke
it at boot if the configured size of the VA space guarantees that the
EFI runtime memory regions can remain mapped 1:1 like they are at boot
time.
On Ampere Altra machines, this results in SetTime() calls issued by the
rtc-efi driver triggering synchronous exceptions during boot. We can
now recover from those without bringing down the system entirely, due to
commit 23715a26c8d81291 ("arm64: efi: Recover from synchronous
exceptions occurring in firmware"). However, it would be better to avoid
the issue entirely, given that the firmware appears to remain in a funny
state after this.
So attempt to identify these machines based on the 'family' field in the
type #1 SMBIOS record, and call SetVirtualAddressMap() unconditionally
in that case.
Tested-by: Alexandru Elisei <alexandru.elisei@gmail.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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drm-fixes
R-Car DSI Kconfig dependency fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Y2u8+uM4A006XRPh@pendragon.ideasonboard.com
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