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- A number of Loogson/Loogarch fixes
- Allow the core code to retrigger an interrupt that has
fired while the same interrupt is being handled on another
CPU, papering over a GICv3 architecture issue
- Work around an integration problem on ASR8601, where the CPU
numbering isn't representable in the GIC implementation...
- Add some missing interrupt to the STM32 irqchip
- A bunch of warning squashing triggered by W=1 builds
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Merge tag 'irqchip-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
- A number of Loogson/Loogarch fixes
- Allow the core code to retrigger an interrupt that has
fired while the same interrupt is being handled on another
CPU, papering over a GICv3 architecture issue
- Work around an integration problem on ASR8601, where the CPU
numbering isn't representable in the GIC implementation...
- Add some missing interrupt to the STM32 irqchip
- A bunch of warning squashing triggered by W=1 builds
Link: https://lore.kernel.org/r/20230623224345.3577134-1-maz@kernel.org
- Use the pm_sleep_ptr macro for the Ingenic driver (Paul Cercueil)
- Relocate the PMW timer Loongson from the mips arch directory to the
drivers/clocksource (Keguang Zhang)
- Use the same function names instead of using aliases and move data
defined in the header to the driver directly as this one is the only
user of the header file and remove this one on i.MX GPT (Uwe
Kleine-König)
- Convert Broadcom Kona family timer bindings to DT schema (Michael
Kelley)
- Add DT bindings for Ralink SoCs timer (Sergio Paracuellos)
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Merge tag 'timers-v6.5-rc1' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core
Pull clockevent/source updates from Daniel Lezcano:
- Fix memory leak on Cadence TTC at probe time (Feng Mingxi)
- Use the pm_sleep_ptr macro for the Ingenic driver (Paul Cercueil)
- Relocate the PMW timer Loongson from the mips arch directory to the
drivers/clocksource (Keguang Zhang)
- Use the same function names instead of using aliases and move data
defined in the header to the driver directly as this one is the only
user of the header file and remove this one on i.MX GPT (Uwe
Kleine-König)
- Convert Broadcom Kona family timer bindings to DT schema (Michael
Kelley)
- Add DT bindings for Ralink SoCs timer (Sergio Paracuellos)
leads to the function getting replaced by a dummy stub
- Fix the umask value setup of the frontend event as former is different
on two Intel cores
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Merge tag 'perf_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Drop the __weak attribute from a function prototype as it otherwise
leads to the function getting replaced by a dummy stub
- Fix the umask value setup of the frontend event as former is
different on two Intel cores
* tag 'perf_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Fix the FRONTEND encoding on GNR and MTL
perf/core: Drop __weak attribute from arch_perf_update_userpage() prototype
which use it, to detect changes to it and adapt accordingly
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Merge tag 'objtool_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Borislav Petkov:
- Add a ORC format hash to vmlinux and modules in order for other tools
which use it, to detect changes to it and adapt accordingly
* tag 'objtool_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/unwind/orc: Add ELF section with ORC version identifier
because that updates the user PGD too on KPTI builds, resulting in
memory corruption
- Prevent a panic in the IO-APIC setup code due to conflicting command
line parameters
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Merge tag 'x86_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Do not use set_pgd() when updating the KASLR trampoline pgd entry
because that updates the user PGD too on KPTI builds, resulting in
memory corruption
- Prevent a panic in the IO-APIC setup code due to conflicting command
line parameters
* tag 'x86_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Fix kernel panic when booting with intremap=off and x2apic_phys
x86/mm: Avoid using set_pgd() outside of real PGD pages
qaic:
- dma-buf import fix
dp-mst:
- fix NULL ptr deref
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Merge tag 'drm-fixes-2023-06-23' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Very quiet last week, just two misc fixes, one dp-mst and one qaic:
qaic:
- dma-buf import fix
dp-mst:
- fix NULL ptr deref"
[ It turns out it was a quiet week because Alex Deucher hadn't sent in
his pending AMD changes. So they are coming next - Linus ]
* tag 'drm-fixes-2023-06-23' of git://anongit.freedesktop.org/drm/drm:
drm: use mgr->dev in drm_dbg_kms in drm_dp_add_payload_part2
accel/qaic: Call DRM helper function to destroy prime GEM
The final bug fixes for Qualcomm and Rockchips came in, all of them
for devicetree files:
- Devices on Qualcomm SC7180/SC7280 that are cache coherent are now
marked so correctly to fix a regression after a change in kernel behavior.
- Rockchips has a few minor changes for correctness of regulator and cache
properties, as well as fixes for incorrect behavior of the RK3568 PCI
controller and reset pins on two boards.
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Merge tag 'arm-fixes-6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The final bug fixes for Qualcomm and Rockchips came in, all of them
for devicetree files:
- Devices on Qualcomm SC7180/SC7280 that are cache coherent are now
marked so correctly to fix a regression after a change in kernel
behavior
- Rockchips has a few minor changes for correctness of regulator and
cache properties, as well as fixes for incorrect behavior of the
RK3568 PCI controller and reset pins on two boards"
* tag 'arm-fixes-6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: qcom: sc7280: Mark SCM as dma-coherent for chrome devices
arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for trogdor
arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for IDP
dt-bindings: firmware: qcom,scm: Document that SCM can be dma-coherent
arm64: dts: rockchip: Fix rk356x PCIe register and range mappings
arm64: dts: rockchip: fix button reset pin for nanopi r5c
arm64: dts: rockchip: fix nEXTRST on SOQuartz
arm64: dts: rockchip: add missing cache properties
arm64: dts: rockchip: fix USB regulator on ROCK64
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Merge tag 'for-6.4-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"Unfortunately the recent u32 overflow fix was not complete, there was
one conversion left, assertion not triggered by my tests but caught by
Qu's fstests case.
The "cleanup for later" has been promoted to a proper fix and wraps
all uses of the stripe left shift so the diffstat has grown but leaves
no potentially problematic uses.
We should have done it that way before, sorry"
* tag 'for-6.4-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix remaining u32 overflows when left shifting stripe_nr
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Merge tag 'block-6.4-2023-06-23' of git://git.kernel.dk/linux
Pull block fix from Jens Axboe:
"It's apparently the week of 'fixup something from last week', because
the same is true for this block pull request.
Fix up a lock grab that needs to be IRQ saving, rather than just IRQ
disabling, in the block cgroup code"
* tag 'block-6.4-2023-06-23' of git://git.kernel.dk/linux:
block: make sure local irq is disabled when calling __blkcg_rstat_flush
Three oneliner fixes: one for a thinko in SOF SoundWire code and
two HD-audio quirks for ASUS laptops. All device-specific and
should be safe to apply.
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Merge tag 'sound-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Three oneliner fixes: one for a thinko in SOF SoundWire code and two
HD-audio quirks for ASUS laptops. All device-specific and should be
safe to apply"
* tag 'sound-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: Add quirk for ASUS ROG GV601V
ALSA: hda/realtek: Add quirk for ASUS ROG G634Z
ASoC: intel: sof_sdw: Fixup typo in device link checking
- fix IRQ initialization in gpiochip_irqchip_add_domain()
- add a missing return value check for platform_get_irq() in gpio-sifive
- don't free irq_domains which GPIOLIB does not manage
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Merge tag 'gpio-fixes-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix IRQ initialization in gpiochip_irqchip_add_domain()
- add a missing return value check for platform_get_irq() in
gpio-sifive
- don't free irq_domains which GPIOLIB does not manage
* tag 'gpio-fixes-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: Fix irq_domain resource tracking for gpiochip_irqchip_add_domain()
gpio: sifive: add missing check for platform_get_irq
gpiolib: Fix GPIO chip IRQ initialization restriction
Changes related to cache management for DMA memory caused WiFi to stop
work on SC7180 and SC7280 based products, using TF-A. These changes
marks the relevant device dma-coherent to correct the behavior.
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Merge tag 'qcom-arm64-fixes-for-6.4-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
One last Qualcomm ARM64 DeviceTree fix for v6.4
Changes related to cache management for DMA memory caused WiFi to stop
work on SC7180 and SC7280 based products, using TF-A. These changes
marks the relevant device dma-coherent to correct the behavior.
* tag 'qcom-arm64-fixes-for-6.4-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: sc7280: Mark SCM as dma-coherent for chrome devices
arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for trogdor
arm64: dts: qcom: sc7180: Mark SCM as dma-coherent for IDP
dt-bindings: firmware: qcom,scm: Document that SCM can be dma-coherent
Link: https://lore.kernel.org/r/20230622203248.106422-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Dave Airlie reports that gcc-13.1.1 has started complaining about some
of the workqueue code in 32-bit arm builds:
kernel/workqueue.c: In function ‘get_work_pwq’:
kernel/workqueue.c:713:24: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
713 | return (void *)(data & WORK_STRUCT_WQ_DATA_MASK);
| ^
[ ... a couple of other cases ... ]
and while it's not immediately clear exactly why gcc started complaining
about it now, I suspect it's some C23-induced enum type handlign fixup in
gcc-13 is the cause.
Whatever the reason for starting to complain, the code and data types
are indeed disgusting enough that the complaint is warranted.
The wq code ends up creating various "helper constants" (like that
WORK_STRUCT_WQ_DATA_MASK) using an enum type, which is all kinds of
confused. The mask needs to be 'unsigned long', not some unspecified
enum type.
To make matters worse, the actual "mask and cast to a pointer" is
repeated a couple of times, and the cast isn't even always done to the
right pointer, but - as the error case above - to a 'void *' with then
the compiler finishing the job.
That's now how we roll in the kernel.
So create the masks using the proper types rather than some ambiguous
enumeration, and use a nice helper that actually does the type
conversion in one well-defined place.
Incidentally, this magically makes clang generate better code. That,
admittedly, is really just a sign of clang having been seriously
confused before, and cleaning up the typing unconfuses the compiler too.
Reported-by: Dave Airlie <airlied@gmail.com>
Link: https://lore.kernel.org/lkml/CAPM=9twNnV4zMCvrPkw3H-ajZOH-01JVh_kDrxdPYQErz8ZTdA@mail.gmail.com/
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* arm64/for-next/perf:
docs: perf: Fix warning from 'make htmldocs' in hisi-pmu.rst
docs: perf: Add new description for HiSilicon UC PMU
drivers/perf: hisi: Add support for HiSilicon UC PMU driver
drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver
perf: arm_cspmu: Add missing MODULE_DEVICE_TABLE
perf/arm-cmn: Add sysfs identifier
perf/arm-cmn: Revamp model detection
perf/arm_dmc620: Add cpumask
dt-bindings: perf: fsl-imx-ddr: Add i.MX93 compatible
drivers/perf: imx_ddr: Add support for NXP i.MX9 SoC DDRC PMU driver
perf/arm_cspmu: Decouple APMT dependency
perf/arm_cspmu: Clean up ACPI dependency
ACPI/APMT: Don't register invalid resource
perf/arm_cspmu: Fix event attribute type
perf: arm_cspmu: Set irq affinitiy only if overflow interrupt is used
drivers/perf: hisi: Don't migrate perf to the CPU going to teardown
drivers/perf: apple_m1: Force 63bit counters for M2 CPUs
perf/arm-cmn: Fix DTC reset
perf: qcom_l2_pmu: Make l2_cache_pmu_probe_cluster() more robust
perf/arm-cci: Slightly optimize cci_pmu_sync_counters()
* for-next/kpti:
: Simplify KPTI trampoline exit code
arm64: entry: Simplify tramp_alias macro and tramp_exit routine
arm64: entry: Preserve/restore X29 even for compat tasks
* for-next/missing-proto-warn:
: Address -Wmissing-prototype warnings
arm64: add alt_cb_patch_nops prototype
arm64: move early_brk64 prototype to header
arm64: signal: include asm/exception.h
arm64: kaslr: add kaslr_early_init() declaration
arm64: flush: include linux/libnvdimm.h
arm64: module-plts: inline linux/moduleloader.h
arm64: hide unused is_valid_bugaddr()
arm64: efi: add efi_handle_corrupted_x18 prototype
arm64: cpuidle: fix #ifdef for acpi functions
arm64: kvm: add prototypes for functions called in asm
arm64: spectre: provide prototypes for internal functions
arm64: move cpu_suspend_set_dbg_restorer() prototype to header
arm64: avoid prototype warnings for syscalls
arm64: add scs_patch_vmlinux prototype
arm64: xor-neon: mark xor_arm64_neon_*() static
* for-next/iss2-decode:
: Add decode of ISS2 to data abort reports
arm64/esr: Add decode of ISS2 to data abort reporting
arm64/esr: Use GENMASK() for the ISS mask
* for-next/kselftest:
: Various arm64 kselftest improvements
kselftest/arm64: Log signal code and address for unexpected signals
kselftest/arm64: Add a smoke test for ptracing hardware break/watch points
* for-next/misc:
: Miscellaneous patches
arm64: alternatives: make clean_dcache_range_nopatch() noinstr-safe
arm64: hibernate: remove WARN_ON in save_processor_state
arm64/fpsimd: Exit streaming mode when flushing tasks
arm64: mm: fix VA-range sanity check
arm64/mm: remove now-superfluous ISBs from TTBR writes
arm64: consolidate rox page protection logic
arm64: set __exception_irq_entry with __irq_entry as a default
arm64: syscall: unmask DAIF for tracing status
arm64: lockdep: enable checks for held locks when returning to userspace
arm64/cpucaps: increase string width to properly format cpucaps.h
arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature
* for-next/feat_mops:
: Support for ARMv8.8 memcpy instructions in userspace
kselftest/arm64: add MOPS to hwcap test
arm64: mops: allow disabling MOPS from the kernel command line
arm64: mops: detect and enable FEAT_MOPS
arm64: mops: handle single stepping after MOPS exception
arm64: mops: handle MOPS exceptions
KVM: arm64: hide MOPS from guests
arm64: mops: don't disable host MOPS instructions from EL2
arm64: mops: document boot requirements for MOPS
KVM: arm64: switch HCRX_EL2 between host and guest
arm64: cpufeature: detect FEAT_HCX
KVM: arm64: initialize HCRX_EL2
* for-next/module-alloc:
: Make the arm64 module allocation code more robust (clean-up, VA range expansion)
arm64: module: rework module VA range selection
arm64: module: mandate MODULE_PLTS
arm64: module: move module randomization to module.c
arm64: kaslr: split kaslr/module initialization
arm64: kasan: remove !KASAN_VMALLOC remnants
arm64: module: remove old !KASAN_VMALLOC logic
* for-next/sysreg: (21 commits)
: More sysreg conversions to automatic generation
arm64/sysreg: Convert TRBIDR_EL1 register to automatic generation
arm64/sysreg: Convert TRBTRG_EL1 register to automatic generation
arm64/sysreg: Convert TRBMAR_EL1 register to automatic generation
arm64/sysreg: Convert TRBSR_EL1 register to automatic generation
arm64/sysreg: Convert TRBBASER_EL1 register to automatic generation
arm64/sysreg: Convert TRBPTR_EL1 register to automatic generation
arm64/sysreg: Convert TRBLIMITR_EL1 register to automatic generation
arm64/sysreg: Rename TRBIDR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBTRG_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBMAR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBSR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBBASER_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBPTR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBLIMITR_EL1 fields per auto-gen tools format
arm64/sysreg: Convert OSECCR_EL1 to automatic generation
arm64/sysreg: Convert OSDTRTX_EL1 to automatic generation
arm64/sysreg: Convert OSDTRRX_EL1 to automatic generation
arm64/sysreg: Convert OSLAR_EL1 to automatic generation
arm64/sysreg: Standardise naming of bitfield constants in OSL[AS]R_EL1
arm64/sysreg: Convert MDSCR_EL1 to automatic register generation
...
* for-next/cpucap:
: arm64 cpucap clean-up
arm64: cpufeature: fold cpus_set_cap() into update_cpu_capabilities()
arm64: cpufeature: use cpucap naming
arm64: alternatives: use cpucap naming
arm64: standardise cpucap bitmap names
* for-next/acpi:
: Various arm64-related ACPI patches
ACPI: bus: Consolidate all arm specific initialisation into acpi_arm_init()
* for-next/kdump:
: Simplify the crashkernel reservation behaviour of crashkernel=X,high on arm64
arm64: add kdump.rst into index.rst
Documentation: add kdump.rst to present crashkernel reservation on arm64
arm64: kdump: simplify the reservation behaviour of crashkernel=,high
* for-next/acpi-doc:
: Update ACPI documentation for Arm systems
Documentation/arm64: Update ACPI tables from BBR
Documentation/arm64: Update references in arm-acpi
Documentation/arm64: Update ARM and arch reference
* for-next/doc:
: arm64 documentation updates
Documentation/arm64: Add ptdump documentation
* for-next/tpidr2-fix:
: Fix the TPIDR2_EL0 register restoring on sigreturn
kselftest/arm64: Add a test case for TPIDR2 restore
arm64/signal: Restore TPIDR2 register rather than memory state
Due to the fact that TPIDR2 is intended to be managed by libc we don't
currently test modifying it via the signal context since that might
disrupt libc's usage of it and cause instability. We can however test the
opposite case with less risk, modifying TPIDR2 in a signal handler and
making sure that the original value is restored after returning from the
signal handler. Add a test which does this.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230621-arm64-fix-tpidr2-signal-restore-v2-2-c8e8fcc10302@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Currently when restoring the TPIDR2 signal context we set the new value
from the signal frame in the thread data structure but not the register,
following the pattern for the rest of the data we are restoring. This does
not work in the case of TPIDR2, the register always has the value for the
current task. This means that either we return to userspace and ignore the
new value or we context switch and save the register value on top of the
newly restored value.
Load the value from the signal context into the register instead.
Fixes: 39e54499280f ("arm64/signal: Include TPIDR2 in the signal context")
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org> # 6.3.x
Link: https://lore.kernel.org/r/20230621-arm64-fix-tpidr2-signal-restore-v2-1-c8e8fcc10302@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
In order to prevent request_queue to be freed before cleaning up
blktrace debugfs entries, commit db59133e9279 ("scsi: sg: fix blktrace
debugfs entries leakage") use scsi_device_get(), however,
scsi_device_get() will also grab scsi module reference and scsi module
can't be removed.
It's reported that blktests can't unload scsi_debug after block/001:
blktests (master) # ./check block
block/001 (stress device hotplugging) [failed]
+++ /root/blktests/results/nodev/block/001.out.bad 2023-06-19
Running block/001
Stressing sd
+modprobe: FATAL: Module scsi_debug is in use.
Fix this problem by grabbing request_queue reference directly, so that
scsi host module can still be unloaded while request_queue will be
pinged by sg device.
Reported-by: Chaitanya Kulkarni <chaitanyak@nvidia.com>
Link: https://lore.kernel.org/all/1760da91-876d-fc9c-ab51-999a6f66ad50@nvidia.com/
Fixes: db59133e9279 ("scsi: sg: fix blktrace debugfs entries leakage")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230621160111.1433521-1-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There is no reason not to use __io_cq_unlock_post_flush for intermediate
aux CQE flushing, all ->task_complete should apply there, i.e. if set it
should be the submitter task. Combine them, get rid of of
__io_cq_unlock_post() and rename the left function.
This place was also taking a couple percents of CPU according to
profiles for max throughput net benchmarks due to multishot recv
flooding it with completions.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/bbed60734cbec2e833d9c7bdcf9741aada5d8aab.1687518903.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We're abusing ->completion_lock helpers. io_cq_unlock() neither
locking conditionally nor doing CQE flushing, which means that callers
must have some side reason of taking the lock and should do it directly.
Open code io_cq_unlock() into io_cqring_overflow_kill() and clean it up.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7dabb36856db2b562e78780480396c52c29b2bf4.1687518903.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Extract a function for non-local task_work_add, and use it directly from
io_move_task_work_from_local(). Now we don't use IOU_F_TWQ_FORCE_NORMAL
and it can be killed.
As a small positive side effect we don't grab task->io_uring in
io_req_normal_work_add anymore, which is not needed for
io_req_local_work_add().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/2e55571e8ff2927ae3cc12da606d204e2485525b.1687518903.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We're trying to batch io_put_task() in io_free_batch_list(), but
considering that the hot path is a simple inc, it's most cerainly and
probably faster to just do io_put_task() instead of task tracking.
We don't care about io_put_task_remote() as it's only for IOPOLL
where polling/waiting is done by not the submitter task.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4a7ef7dce845fe2bd35507bf389d6bd2d5c1edf0.1687518903.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Request completion is a very hot path in general, but there are 3 places
that can be doing it: io_free_batch_list(), io_req_complete_post() and
io_free_req_tw().
io_free_req_tw() is used rather marginally and we don't care about it.
Killing it can help to clean up and optimise the left two, do that by
replacing it with io_req_task_complete().
There are two things to consider:
1) io_free_req() is called when all refs are put, so we need to reinit
references. The easiest way to do that is to clear REQ_F_REFCOUNT.
2) We also don't need a cqe from it, so silence it with REQ_F_CQE_SKIP.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/434a2be8f33d474ad888ce1c17fe5ea7bbcb2a55.1687518903.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
ext4_blkdev_remove() passes a wrong holder pointer to blkdev_put() which
triggers a warning there. Fix it.
Fixes: 2736e8eeb0cc ("block: use the holder as indication for exclusive opens")
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230622165107.13687-1-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Claim clkhi and clklo as integer type to avoid possible calculation
errors caused by data overflow.
Fixes: a55fa9d0e42e ("i2c: imx-lpi2c: add low power i2c bus driver")
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Smatch Warns:
drivers/i2c/busses/i2c-qup.c:1784 qup_i2c_probe()
warn: missing unwind goto?
The goto label "fail_runtime" and "fail" will disable qup->pclk,
but here qup->pclk failed to obtain, in order to be consistent,
change the direct return to goto label "fail_dma".
Fixes: 9cedf3b2f099 ("i2c: qup: Add bam dma capabilities")
Signed-off-by: Shuai Jiang <d202180596@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Cc: <stable@vger.kernel.org> # v4.6+
"regstep" may be deprecated, but it still needs a type.
Fixes: 8ad69f490516 ("dt-bindings: i2c: convert ocores binding to yaml")
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Smatch reports:
drivers/clocksource/timer-cadence-ttc.c:529 ttc_timer_probe()
warn: 'timer_baseaddr' from of_iomap() not released on lines: 498,508,516.
timer_baseaddr may have the problem of not being released after use,
I replaced it with the devm_of_iomap() function and added the clk_put()
function to cleanup the "clk_ce" and "clk_cs".
Fixes: e932900a3279 ("arm: zynq: Use standard timer binding")
Fixes: 70504f311d4b ("clocksource/drivers/cadence_ttc: Convert init function to return error")
Signed-off-by: Feng Mingxi <m202271825@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230425065611.702917-1-m202271825@hust.edu.cn
Add YAML documentation for the timer which is present on Ralink SoCs.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230620100231.1412582-1-sergio.paracuellos@gmail.com
Current code assigns either the Hyper-V TSC page or MSR-based ref counter
as the sched clock. This may be sub-optimal in two cases. First, if there
is hardware support to ensure consistent TSC frequency across live
migrations and Hyper-V is using that support, the raw TSC is a faster
source of time than the Hyper-V TSC page. Second, the MSR-based ref
counter is relatively slow because reads require a trap to the hypervisor.
As such, it should never be used as the sched clock. The native sched
clock based on the raw TSC or jiffies is much better.
Rework the sched clock setup so it is set to the TSC page only if
Hyper-V indicates that the TSC may have inconsistent frequency across
live migrations. Also, remove the code that sets the sched clock to
the MSR-based ref counter. In the cases where it is not set, the sched
clock will then be the native sched clock.
As part of the rework, always enable both the TSC page clocksource and
the MSR-based ref counter clocksource. Set the ratings so the TSC page
clocksource is preferred. While the MSR-based ref counter clocksource
is unlikely to ever be the default, having it available for manual
selection is convenient for development purposes.
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1687201360-16003-1-git-send-email-mikelley@microsoft.com
Convert Broadcom Kona family timer bindings to DT schema.
Changes during conversion:
- drop deprecated compatible (it's been deprecated for ~10 years)
Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230618144635.GA22166@standask-GA-A55M-S2HP
Only the imx-gpt timer driver makes use of enum imx_gpt_type that is
otherwise unused. Move its definition into the timer-imx-gpt driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230328100531.879485-3-u.kleine-koenig@pengutronix.de
mptcp and netfilter.
Current release - regressions:
- netfilter: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
- eth: mlx5e:
- fix scheduling of IPsec ASO query while in atomic
- free IRQ rmap and notifier on kernel shutdown
Current release - new code bugs:
- phy: manual remove LEDs to ensure correct ordering
Previous releases - regressions:
- mptcp: fix possible divide by zero in recvmsg()
- dsa: revert "net: phy: dp83867: perform soft reset and retain established link"
Previous releases - always broken:
- sched: netem: acquire qdisc lock in netem_change()
- bpf:
- fix verifier id tracking of scalars on spill
- fix NULL dereference on exceptions
- accept function names that contain dots
- netfilter: disallow element updates of bound anonymous sets
- mptcp: ensure listener is unhashed before updating the sk status
- xfrm:
- add missed call to delete offloaded policies
- fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
- selftests: fixes for FIPS mode
- dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling
- eth: sfc: use budget for TX completions
Misc:
- wifi: iwlwifi: add support for SO-F device with PCI id 0x7AF0
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from ipsec, bpf, mptcp and netfilter.
Current release - regressions:
- netfilter: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
- eth: mlx5e:
- fix scheduling of IPsec ASO query while in atomic
- free IRQ rmap and notifier on kernel shutdown
Current release - new code bugs:
- phy: manual remove LEDs to ensure correct ordering
Previous releases - regressions:
- mptcp: fix possible divide by zero in recvmsg()
- dsa: revert "net: phy: dp83867: perform soft reset and retain
established link"
Previous releases - always broken:
- sched: netem: acquire qdisc lock in netem_change()
- bpf:
- fix verifier id tracking of scalars on spill
- fix NULL dereference on exceptions
- accept function names that contain dots
- netfilter: disallow element updates of bound anonymous sets
- mptcp: ensure listener is unhashed before updating the sk status
- xfrm:
- add missed call to delete offloaded policies
- fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
- selftests: fixes for FIPS mode
- dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling
- eth: sfc: use budget for TX completions
Misc:
- wifi: iwlwifi: add support for SO-F device with PCI id 0x7AF0"
* tag 'net-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (74 commits)
revert "net: align SO_RCVMARK required privileges with SO_MARK"
net: wwan: iosm: Convert single instance struct member to flexible array
sch_netem: acquire qdisc lock in netem_change()
selftests: forwarding: Fix race condition in mirror installation
wifi: mac80211: report all unusable beacon frames
mptcp: ensure listener is unhashed before updating the sk status
mptcp: drop legacy code around RX EOF
mptcp: consolidate fallback and non fallback state machine
mptcp: fix possible list corruption on passive MPJ
mptcp: fix possible divide by zero in recvmsg()
mptcp: handle correctly disconnect() failures
bpf: Force kprobe multi expected_attach_type for kprobe_multi link
bpf/btf: Accept function names that contain dots
Revert "net: phy: dp83867: perform soft reset and retain established link"
net: mdio: fix the wrong parameters
netfilter: nf_tables: Fix for deleting base chains with payload
netfilter: nfnetlink_osf: fix module autoload
netfilter: nf_tables: drop module reference after updating chain
netfilter: nf_tables: disallow timeout for anonymous sets
netfilter: nf_tables: disallow updates of anonymous sets
...
* Correctly save/restore PMUSERNR_EL0 when host userspace is using
PMU counters directly
* Fix GICv2 emulation on GICv3 after the locking rework
* Don't use smp_processor_id() in kvm_pmu_probe_armpmu(), and
document why
Generic:
* Avoid setting page table entries pointing to a deleted memslot if a
host page table entry is changed concurrently with the deletion.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly save/restore PMUSERNR_EL0 when host userspace is using
PMU counters directly
- Fix GICv2 emulation on GICv3 after the locking rework
- Don't use smp_processor_id() in kvm_pmu_probe_armpmu(), and
document why
Generic:
- Avoid setting page table entries pointing to a deleted memslot if a
host page table entry is changed concurrently with the deletion"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Avoid illegal stage2 mapping on invalid memory slot
KVM: arm64: Use raw_smp_processor_id() in kvm_pmu_probe_armpmu()
KVM: arm64: Restore GICv2-on-GICv3 functionality
KVM: arm64: PMU: Don't overwrite PMUSERENR with vcpu loaded
KVM: arm64: PMU: Restore the host's PMUSERENR_EL0
- Disable IRQs when switching mm in exit_lazy_flush_tlb() called from exit_mmap()
Thanks to: Nicholas Piggin, Sachin Sant.
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Merge tag 'powerpc-6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
- Disable IRQs when switching mm in exit_lazy_flush_tlb() called from
exit_mmap()
Thanks to Nicholas Piggin and Sachin Sant.
* tag 'powerpc-6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s/radix: Fix exit lazy tlb mm switch with irqs enabled
One small fix for an AMD PMF driver issue which is causing issues
for users of just released AMD laptop models.
The following is an automated git shortlog grouped by driver:
platform/x86/amd/pmf:
- Register notify handler only if SPS is enabled
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Merge tag 'platform-drivers-x86-v6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fix from Hans de Goede:
"One small fix for an AMD PMF driver issue which is causing issues for
users of just released AMD laptop models"
* tag 'platform-drivers-x86-v6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/pmf: Register notify handler only if SPS is enabled
