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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- v6.15 libcrc clean-up makes invalid configurations possible
- Fix a potential deadlock introduced during the v6.15 merge window
* tag 'nfsd-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: decrease sc_count directly if fail to queue dl_recall
nfs: add missing selections of CONFIG_CRC32
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git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Fix missing KASAN LLVM flags on first build (and fix spurious
rebuilds) by skipping '--target'
- Fix Make < 4.3 build error by using '$(pound)'
- Fix UML build error by removing 'volatile' qualifier from io
helpers
- Fix UML build error by adding 'dma_{alloc,free}_attrs()' helpers
- Clean gendwarfksyms warnings by avoiding to export '__pfx' symbols
- Clean objtool warning by adding a new 'noreturn' function for
1.86.0
- Disable 'needless_continue' Clippy lint due to new 1.86.0 warnings
- Add missing 'ffi' crate to 'generate_rust_analyzer.py'
'pin-init' crate:
- Import a couple fixes from upstream"
* tag 'rust-fixes-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: helpers: Add dma_alloc_attrs() and dma_free_attrs()
rust: helpers: Remove volatile qualifier from io helpers
rust: kbuild: use `pound` to support GNU Make < 4.3
objtool/rust: add one more `noreturn` Rust function for Rust 1.86.0
rust: kasan/kbuild: fix missing flags on first build
rust: disable `clippy::needless_continue`
rust: kbuild: Don't export __pfx symbols
rust: pin-init: use Markdown autolinks in Rust comments
rust: pin-init: alloc: restrict `impl ZeroableOption` for `Box` to `T: Sized`
scripts: generate_rust_analyzer: Add ffi crate
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Pull drm fixes from Dave Airlie:
"Easter rc3 pull request, fixes in all the usuals, amdgpu, xe, msm,
with some i915/ivpu/mgag200/v3d fixes, then a couple of bits in
dma-buf/gem.
Hopefully has no easter eggs in it.
dma-buf:
- Correctly decrement refcounter on errors
gem:
- Fix test for imported buffers
amdgpu:
- Cleaner shader sysfs fix
- Suspend fix
- Fix doorbell free ordering
- Video caps fix
- DML2 memory allocation optimization
- HDP fix
i915:
- Fix DP DSC configurations that require 3 DSC engines per pipe
xe:
- Fix LRC address being written too late for GuC
- Fix notifier vs folio deadlock
- Fix race betwen dma_buf unmap and vram eviction
- Fix debugfs handling PXP terminations unconditionally
msm:
- Display:
- Fix to call dpu_plane_atomic_check_pipe() for both SSPPs in
case of multi-rect
- Fix to validate plane_state pointer before using it in
dpu_plane_virtual_atomic_check()
- Fix to make sure dereferencing dpu_encoder_phys happens after
making sure it is valid in _dpu_encoder_trigger_start()
- Remove the remaining intr_tear_rd_ptr which we initialized to
-1 because NO_IRQ indices start from 0 now
- GPU:
- Fix IB_SIZE overflow
ivpu:
- Fix debugging
- Fixes to frequency
- Support firmware API 3.28.3
- Flush jobs upon reset
mgag200:
- Set vblank start to correct values
v3d:
- Fix Indirect Dispatch"
* tag 'drm-fixes-2025-04-19' of https://gitlab.freedesktop.org/drm/kernel: (26 commits)
drm/msm/a6xx+: Don't let IB_SIZE overflow
drm/xe/pxp: do not queue unneeded terminations from debugfs
drm/xe/dma_buf: stop relying on placement in unmap
drm/xe/userptr: fix notifier vs folio deadlock
drm/xe: Set LRC addresses before guc load
drm/mgag200: Fix value in <VBLKSTR> register
drm/gem: Internally test import_attach for imported objects
drm/amdgpu: Use the right function for hdp flush
drm/amd/display/dml2: use vzalloc rather than kzalloc
drm/amdgpu: Add back JPEG to video caps for carrizo and newer
drm/amdgpu: fix warning of drm_mm_clean
drm/amd: Forbid suspending into non-default suspend states
drm/amdgpu: use a dummy owner for sysfs triggered cleaner shaders v4
drm/i915/dp: Check for HAS_DSC_3ENGINES while configuring DSC slices
drm/i915/display: Add macro for checking 3 DSC engines
dma-buf/sw_sync: Decrement refcount on error in sw_sync_ioctl_get_deadline()
accel/ivpu: Add cmdq_id to job related logs
accel/ivpu: Show NPU frequency in sysfs
accel/ivpu: Fix the NPU's DPU frequency calculation
accel/ivpu: Update FW Boot API to version 3.28.3
...
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https://gitlab.freedesktop.org/drm/msm into drm-fixes
Fixes for v6.15-rc3
Display:
- Fix to call dpu_plane_atomic_check_pipe() for both SSPPs in
case of multi-rect
- Fix to validate plane_state pointer before using it in
dpu_plane_virtual_atomic_check()
- Fix to make sure dereferencing dpu_encoder_phys happens after
making sure it is valid in _dpu_encoder_trigger_start()
- Remove the remaining intr_tear_rd_ptr which we initialized
to -1 because NO_IRQ indices start from 0 now
GPU:
- Fix IB_SIZE overflow
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://lore.kernel.org/r/CAF6AEGtVKXEVdzUzFWmQE8JmK3nx_hp+ynOd-5j3vnfcU-sgOA@mail.gmail.com
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Fix LRC address being written too late for GuC
- Fix notifier vs folio deadlock
- Fix race betwen dma_buf unmap and vram eviction
- Fix debugfs handling PXP terminations unconditionally
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/ndinq644zenywaaycxyfqqivsb2xer4z7err3dlpalbz33jfkm@ttabzsg6wnet
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Pull smb client fixes from Steve French:
- Fix hard link lease key problem when close is deferred
- Revert the socket lockdep/refcount workarounds done in cifs.ko now
that it is fixed at the socket layer
* tag '6.15-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
Revert "smb: client: fix TCP timers deadlock after rmmod"
Revert "smb: client: Fix netns refcount imbalance causing leaks and use-after-free"
smb3 client: fix open hardlink on deferred close file error
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IB_SIZE is only b0..b19. Starting with a6xx gen3, additional fields
were added above the IB_SIZE. Accidentially setting them can cause
badness. Fix this by properly defining the CP_INDIRECT_BUFFER packet
and using the generated builder macro to ensure unintended bits are not
set.
v2: add missing type attribute for IB_BASE
v3: fix offset attribute in xml
Reported-by: Connor Abbott <cwabbott0@gmail.com>
Fixes: a83366ef19ea ("drm/msm/a6xx: add A640/A650 to gpulist")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/643396/
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Fix hypercall detection on Xen guests
- Extend the AMD microcode loader SHA check to Zen5, to block loading
of any unreleased standalone Zen5 microcode patches
- Add new Intel CPU model number for Bartlett Lake
- Fix the workaround for AMD erratum 1054
- Fix buggy early memory acceptance between SEV-SNP guests and the EFI
stub
* tag 'x86-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot/sev: Avoid shared GHCB page for early memory acceptance
x86/cpu/amd: Fix workaround for erratum 1054
x86/cpu: Add CPU model number for Bartlett Lake CPUs with Raptor Cove cores
x86/microcode/AMD: Extend the SHA check to Zen5, block loading of any unreleased standalone Zen5 microcode patches
x86/xen: Fix __xen_hypercall_setfunc()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"Fix a lockdep false positive in the i8253 driver"
* tag 'timers-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/i8253: Call clockevent_i8253_disable() with interrupts disabled
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf event fixes from Ingo Molnar:
"Miscellaneous fixes and a hardware-enabling change:
- Fix Intel uncore PMU IIO free running counters on SPR, ICX and SNR
systems
- Fix Intel PEBS buffer overflow handling
- Fix skid in Intel PEBS sampling of user-space general purpose
registers
- Enable Panther Lake PMU support - similar to Lunar Lake"
* tag 'perf-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Add Panther Lake support
perf/x86/intel: Allow to update user space GPRs from PEBS records
perf/x86/intel: Don't clear perf metrics overflow bit unconditionally
perf/x86/intel/uncore: Fix the scale of IIO free running counters on SPR
perf/x86/intel/uncore: Fix the scale of IIO free running counters on ICX
perf/x86/intel/uncore: Fix the scale of IIO free running counters on SNR
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc irq fixes from Ingo Molnar:
- Fix BCM2712 irqchip driver Kconfig dependencies required on the
Raspberry PI5
- Fix spurious interrupts on RZ/G3E SMARC EVK systems
- Fix crash regression on Sun/NIU hardware
- Apply MSI driver quirk for Sun Neptune chips
* tag 'irq-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-bcm2712-mip: Enable driver when ARCH_BCM2835 is enabled
irqchip/renesas-rzv2h: Prevent TINT spurious interrupt
net/niu: Niu requires MSIX ENTRY_DATA fields touch before entry reads
PCI/MSI: Add an option to write MSIX ENTRY_DATA before any reads
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc core fixes from Ingo Molnar:
"Fix a genksyms related bug, triggered by recent changes to the percpu
code, and update the .clang-format file to not include obsolete
function names"
* tag 'core-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genksyms: Handle typeof_unqual keyword and __seg_{fs,gs} qualifiers
clang-format: Update the ForEachMacros list for v6.15-rc1
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening fixes from Kees Cook:
- lib/prime_numbers: KUnit test should not select PRIME_NUMBERS (Geert
Uytterhoeven)
- ubsan: Fix panic from test_ubsan_out_of_bounds (Mostafa Saleh)
- ubsan: Remove 'default UBSAN' from UBSAN_INTEGER_WRAP (Nathan
Chancellor)
- string: Add load_unaligned_zeropad() code path to sized_strscpy()
(Peter Collingbourne)
- kasan: Add strscpy() test to trigger tag fault on arm64 (Vincenzo
Frascino)
- Disable GCC randstruct for COMPILE_TEST
* tag 'hardening-v6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
lib/prime_numbers: KUnit test should not select PRIME_NUMBERS
ubsan: Fix panic from test_ubsan_out_of_bounds
lib/Kconfig.ubsan: Remove 'default UBSAN' from UBSAN_INTEGER_WRAP
hardening: Disable GCC randstruct for COMPILE_TEST
kasan: Add strscpy() test to trigger tag fault on arm64
string: Add load_unaligned_zeropad() code path to sized_strscpy()
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
- check for both the new AND old (deprecated) setter callback when
changing GPIO direction to output
* tag 'gpio-fixes-for-v6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: Allow to use setters with return value for output-only gpios
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Add missing DVFS support flags for the Lunar Lake and Panther Lake
platforms to the int340x Intel thermal driver and fix DLVR support
for Panther Lake in it (Srinivas Pandruvada)"
* tag 'thermal-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: int340x: Fix Panther Lake DLVR support
thermal: intel: int340x: Add missing DVFS support flags
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These are mostly cpufreq fixes, some of which address recent
regressions and some address older issues that have come to light
during the last two weeks, and a runtime PM documentation correction:
- Fix the performance-to-frequency scaling factor computation on
systems using HWP in the intel_pstate driver after a recent
incorrect update of it (Rafael Wysocki)
- Fix the usage of the CPUFREQ_NEED_UPDATE_LIMITS cpufreq driver flag
in the schedutil cpufreq governor after a recent update of it that
has caused frequency limits changes to be missed sometimes (Rafael
Wysocki)
- Address some recently discovered synchronization issues related to
frequency limits changes in the schedutil cpufreq governor and in
the cpufreq core (Rafael Wysocki)
- Fix ITMT support in the amd-pstate cpufreq driver so that it is
enabled after asym priorities have been correctly initialized for
all CPUs (K Prateek Nayak)
- Fix changing min/max limits in the amd-pstate cpufreq driver while
on the performance governor (Dhananjay Ugwekar)
- Fix a function name in the runtime PM documentation that was
previously incorrectly updated by mistake (Sakari Ailus)"
* tag 'pm-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Avoid using inconsistent policy->min and policy->max
cpufreq/sched: Set need_freq_update in ignore_dl_rate_limit()
cpufreq/sched: Explicitly synchronize limits_changed flag handling
cpufreq/sched: Fix the usage of CPUFREQ_NEED_UPDATE_LIMITS
Documentation: PM: runtime: Fix a reference to pm_runtime_autosuspend()
cpufreq: intel_pstate: Fix hwp_get_cpu_scaling()
cpufreq/amd-pstate: Enable ITMT support after initializing core rankings
cpufreq/amd-pstate: Fix min_limit perf and freq updation for performance governor
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Merge a runtime PM documentation correction for 6.15-rc3.
* pm-docs:
Documentation: PM: runtime: Fix a reference to pm_runtime_autosuspend()
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for an issue where C instructions ended up in non-C builds, due
to some broken inline assembly in the KGDB breakpoint insertion code
- A fix to avoid spurious printk messages about misaligned access
performance probing
- A fix for a handful of issues with /proc/iomem's reserved region
handling
- A pair of fixes for module relocation processing
- A few build-time fixes
* tag 'riscv-for-linus-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: KGDB: Remove ".option norvc/.option rvc" for kgdb_compiled_break
riscv: KGDB: Do not inline arch_kgdb_breakpoint()
riscv: Avoid fortify warning in syscall_get_arguments()
riscv: Provide all alternative macros all the time
riscv: module: Allocate PLT entries for R_RISCV_PLT32
riscv: module: Fix out-of-bounds relocation access
riscv: Properly export reserved regions in /proc/iomem
riscv: Fix unaligned access info messages
riscv: Avoid fortify warning in syscall_get_arguments()
Documentation: riscv: Fix typo MIMPLID -> MIMPID
riscv: Use kvmalloc_array on relocation_hashtable
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit fix from Shuah Khan:
"Fixes arch sh kunit qemu_configs script sh.py to honor kunit cmdline"
* tag 'linux_kselftest-kunit-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: qemu_configs: SH: Respect kunit cmdline
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"Fixes dynevent_limitations.tc test failure on dash by detecting and
handling bash and dash differences in evaluating \\"
* tag 'linux_kselftest-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Differentiate bash and dash in dynevent_limitations.tc
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Pull smb server fixes from Steve French:
- Fix integer overflow in server disconnect deadtime calculation
- Three fixes for potential use after frees: one for oplocks, and one
for leases and one for kerberos authentication
- Fix to prevent attempted write to directory
- Fix locking warning for durable scavenger thread
* tag 'v6.15-rc2-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: Prevent integer overflow in calculation of deadtime
ksmbd: fix the warning from __kernel_write_iter
ksmbd: fix use-after-free in smb_break_all_levII_oplock()
ksmbd: fix use-after-free in __smb2_lease_break_noti()
ksmbd: fix WARNING "do not call blocking ops when !TASK_RUNNING"
ksmbd: Fix dangling pointer in krb_authenticate
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Pull block fixes from Jens Axboe:
- MD pull via Yu:
- fix raid10 missing discard IO accounting (Yu Kuai)
- fix bitmap stats for bitmap file (Zheng Qixing)
- fix oops while reading all member disks failed during
check/repair (Meir Elisha)
- NVMe pull via Christoph:
- fix scan failure for non-ANA multipath controllers (Hannes
Reinecke)
- fix multipath sysfs links creation for some cases (Hannes
Reinecke)
- PCIe endpoint fixes (Damien Le Moal)
- use NULL instead of 0 in the auth code (Damien Le Moal)
- Various ublk fixes:
- Slew of selftest additions
- Improvements and fixes for IO cancelation
- Tweak to Kconfig verbiage
- Fix for page dirtying for blk integrity mapped pages
- loop fixes:
- buffered IO fix
- uevent fixes
- request priority inheritance fix
- Various little fixes
* tag 'block-6.15-20250417' of git://git.kernel.dk/linux: (38 commits)
selftests: ublk: add generic_06 for covering fault inject
ublk: simplify aborting ublk request
ublk: remove __ublk_quiesce_dev()
ublk: improve detection and handling of ublk server exit
ublk: move device reset into ublk_ch_release()
ublk: rely on ->canceling for dealing with ublk_nosrv_dev_should_queue_io
ublk: add ublk_force_abort_dev()
ublk: properly serialize all FETCH_REQs
selftests: ublk: move creating UBLK_TMP into _prep_test()
selftests: ublk: add test_stress_05.sh
selftests: ublk: support user recovery
selftests: ublk: support target specific command line
selftests: ublk: increase max nr_queues and queue depth
selftests: ublk: set queue pthread's cpu affinity
selftests: ublk: setup ring with IORING_SETUP_SINGLE_ISSUER/IORING_SETUP_DEFER_TASKRUN
selftests: ublk: add two stress tests for zero copy feature
selftests: ublk: run stress tests in parallel
selftests: ublk: make sure _add_ublk_dev can return in sub-shell
selftests: ublk: cleanup backfile automatically
selftests: ublk: add io_uring uapi header
...
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Pull io_uring fixes from Jens Axboe:
- Correctly cap iov_iter->nr_segs for imports of registered buffers,
both kbuf and normal ones.
Three cleanups to make it saner first, then two fixes for each of the
buffer types.
This fixes a performance regression where partial buffer usage
doesn't trim the tail number of segments, leading the block layer to
iterate the IOs to check if it needs splitting.
- Two patches tweaking the newly introduced zero-copy rx API, mostly to
keep the API consistent once we add multiple interface queues per
ring support in the 6.16 release.
- zc rx unmapping fix for a dead device
* tag 'io_uring-6.15-20250418' of git://git.kernel.dk/linux:
io_uring/zcrx: fix late dma unmap for a dead dev
io_uring/rsrc: ensure segments counts are correct on kbuf buffers
io_uring/rsrc: send exact nr_segs for fixed buffer
io_uring/rsrc: refactor io_import_fixed
io_uring/rsrc: separate kbuf offset adjustments
io_uring/rsrc: don't skip offset calculation
io_uring/zcrx: add pp to ifq conversion helper
io_uring/zcrx: return ifq id to the user
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Communicating with the hypervisor using the shared GHCB page requires
clearing the C bit in the mapping of that page. When executing in the
context of the EFI boot services, the page tables are owned by the
firmware, and this manipulation is not possible.
So switch to a different API for accepting memory in SEV-SNP guests, one
which is actually supported at the point during boot where the EFI stub
may need to accept memory, but the SEV-SNP init code has not executed
yet.
For simplicity, also switch the memory acceptance carried out by the
decompressor when not booting via EFI - this only involves the
allocation for the decompressed kernel, and is generally only called
after kexec, as normal boot will jump straight into the kernel from the
EFI stub.
Fixes: 6c3211796326 ("x86/sev: Add SNP-specific unaccepted memory support")
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Co-developed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: <stable@vger.kernel.org>
Cc: Dionna Amalie Glaze <dionnaglaze@google.com>
Cc: Kevin Loughlin <kevinloughlin@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-efi@vger.kernel.org
Link: https://lore.kernel.org/r/20250404082921.2767593-8-ardb+git@google.com # discussion thread #1
Link: https://lore.kernel.org/r/20250410132850.3708703-2-ardb+git@google.com # discussion thread #2
Link: https://lore.kernel.org/r/20250417202120.1002102-2-ardb+git@google.com # final submission
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Erratum 1054 affects AMD Zen processors that are a part of Family 17h
Models 00-2Fh and the workaround is to not set HWCR[IRPerfEn]. However,
when X86_FEATURE_ZEN1 was introduced, the condition to detect unaffected
processors was incorrectly changed in a way that the IRPerfEn bit gets
set only for unaffected Zen 1 processors.
Ensure that HWCR[IRPerfEn] is set for all unaffected processors. This
includes a subset of Zen 1 (Family 17h Models 30h and above) and all
later processors. Also clear X86_FEATURE_IRPERF on affected processors
so that the IRPerfCount register is not used by other entities like the
MSR PMU driver.
Fixes: 232afb557835 ("x86/CPU/AMD: Add X86_FEATURE_ZEN1")
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/caa057a9d6f8ad579e2f1abaa71efbd5bd4eaf6d.1744956467.git.sandipan.das@amd.com
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There is a problem with page pools not dma-unmapping immediately when
the device is going down, and delaying it until the page pool is
destroyed, which is not allowed (see links). That just got fixed for
normal page pools, and we need to address memory providers as well.
Unmap pages in the memory provider uninstall callback, and protect it
with a new lock. There is also a gap between when a dma mapping is
created and the mp is installed, so if the device is killed in between,
io_uring would be holding on to dma mappings to a dead device with no
one to call ->uninstall. Move it to page pool init and rely on
->is_mapped to make sure it's only done once.
Link: https://lore.kernel.org/lkml/8067f204-1380-4d37-8ffd-007fc6f26738@kernel.org/T/
Link: https://lore.kernel.org/all/20250409-page-pool-track-dma-v9-0-6a9ef2e0cba8@redhat.com/
Fixes: 34a3e60821ab9 ("io_uring/zcrx: implement zerocopy receive pp memory provider")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/ef9b7db249b14f6e0b570a1bb77ff177389f881c.1744965853.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The PXP terminate debugfs currently unconditionally simulates a
termination, no matter what the HW status is. This is unneeded if PXP is
not in use and can cause errors if the HW init hasn't completed yet.
To solve these issues, we can simply limit the terminations to the cases
where PXP is fully initialized and in use.
v2: s/pxp_status/ready/ to avoid confusion with pxp->status (John)
Fixes: 385a8015b214 ("drm/xe/pxp: Add PXP debugfs support")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4749
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://lore.kernel.org/r/20250416201622.1295369-1-daniele.ceraolospurio@intel.com
(cherry picked from commit ba1f62a0cac84757ca35f4217e3cd3a2654233ae)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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The is_vram() is checking the current placement, however if we consider
exported VRAM with dynamic dma-buf, it looks possible for the xe driver
to async evict the memory, notifying the importer, however importer does
not have to call unmap_attachment() immediately, but rather just as
"soon as possible", like when the dma-resv idles. Following from this we
would then pipeline the move, attaching the fence to the manager, and
then update the current placement. But when the unmap_attachment() runs
at some later point we might see that is_vram() is now false, and take
the complete wrong path when dma-unmapping the sg, leading to
explosions.
To fix this check if the sgl was mapping a struct page.
v2:
- The attachment can be mapped multiple times it seems, so we can't
really rely on encoding something in the attachment->priv. Instead
see if the page_link has an encoded struct page. For vram we expect
this to be NULL.
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4563
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20250410162716.159403-2-matthew.auld@intel.com
(cherry picked from commit d755887f8e5a2a18e15e6632a5193e5feea18499)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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User is reporting what smells like notifier vs folio deadlock, where
migrate_pages_batch() on core kernel side is holding folio lock(s) and
then interacting with the mappings of it, however those mappings are
tied to some userptr, which means calling into the notifier callback and
grabbing the notifier lock. With perfect timing it looks possible that
the pages we pulled from the hmm fault can get sniped by
migrate_pages_batch() at the same time that we are holding the notifier
lock to mark the pages as accessed/dirty, but at this point we also want
to grab the folio locks(s) to mark them as dirty, but if they are
contended from notifier/migrate_pages_batch side then we deadlock since
folio lock won't be dropped until we drop the notifier lock.
Fortunately the mark_page_accessed/dirty is not really needed in the
first place it seems and should have already been done by hmm fault, so
just remove it.
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4765
Fixes: 0a98219bcc96 ("drm/xe/hmm: Don't dereference struct page pointers without notifier lock")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.10+
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250414132539.26654-2-matthew.auld@intel.com
(cherry picked from commit bd7c0cb695e87c0e43247be8196b4919edbe0e85)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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The metadata saved in the ADS is read by GuC when it's initialized.
Saving the addresses to the LRCs when they are populated is too late as
GuC will keep using the old ones.
This was causing GuC to use the RCS LRC for any engine class. It's not a
big problem on a Linux-only scenario since the they are used by GuC only
on media engines when the watchdog is triggered. However, in a
virtualization scenario with Windows as the VF, it causes the wrong LRCs
to be loaded as the watchdog is used for all engines.
Fix it by letting guc_golden_lrc_init() initialize the metadata, like
other *_init() functions, and later guc_golden_lrc_populate() to copy
the LRCs to the right places. The former is called before the second GuC
load, while the latter is called after LRCs have been recorded.
Cc: Chee Yin Wong <chee.yin.wong@intel.com>
Cc: John Harrison <john.c.harrison@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: <stable@vger.kernel.org> # v6.11+
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Tested-by: Chee Yin Wong <chee.yin.wong@intel.com>
Link: https://lore.kernel.org/r/20250409-fix-guc-ads-v1-1-494135f7a5d0@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit c31a0b6402d15b530514eee9925adfcb8cfbb1c9)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Revert a reset patch that broke VFIO passthrough because devices
ended up with no available reset mechanisms (Alex Williamson)
* tag 'pci-v6.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Revert "PCI: Avoid reset when disabled via sysfs"
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Short summary of fixes pull:
dma-buf:
- Correctly decrement refcounter on errors
gem:
- Fix test for imported buffers
ivpu:
- Fix debugging
- Fixes to frequency
- Support firmware API 3.28.3
- Flush jobs upon reset
mgag200:
- Set vblank start to correct values
v3d:
- Fix Indirect Dispatch
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250417084043.GA365738@linux.fritz.box
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
drm/i915 fixes for v6.15-rc3:
- Fix DP DSC configurations that require 3 DSC engines per pipe
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/87fri7p8tp.fsf@intel.com
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Pull bcachefs fixes from Kent Overstreet:
"Usual set of small fixes/logging improvements.
One bigger user reported fix, for inode <-> dirent inconsistencies
reported in fsck, after moving a subvolume that had been snapshotted"
* tag 'bcachefs-2025-04-17' of git://evilpiepirate.org/bcachefs:
bcachefs: Fix snapshotting a subvolume, then renaming it
bcachefs: Add missing READ_ONCE() for metadata replicas
bcachefs: snapshot_node_missing is now autofix
bcachefs: Log message when incompat version requested but not enabled
bcachefs: Print version_incompat_allowed on startup
bcachefs: Silence extent_poisoned error messages
bcachefs: btree_root_unreadable_and_scan_found_nothing now AUTOFIX
bcachefs: fix bch2_dev_usage_full_read_fast()
bcachefs: Don't print data read retry success on non-errors
bcachefs: Add missing error handling
bcachefs: Prevent granting write refs when filesystem is read-only
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Pull vfio fix from Alex Williamson:
- Include devices where the platform indicates PCI INTx is not routed
by setting pdev->irq to zero in the expanded virtualization of the
PCI pin register. This provides consistency in the INFO and SET_IRQS
ioctls (Alex Williamson)
* tag 'vfio-v6.15-rc3' of https://github.com/awilliam/linux-vfio:
vfio/pci: Virtualize zero INTx PIN if no pdev->irq
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few more device specific fixes plus one trivial quirk.
There's a couple of patches for Tegra which avoid some fairly
spectacular log spam if the hardware breaks in ways which were
actually seen in production, plus a fix for the i.MX driver to
propagate errors properly when setting up the hardware.
We also have a trivial patch marking the sun4i driver as being
compatible with GPIO chip selects"
* tag 'spi-fix-v6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-imx: Add check for spi_imx_setupxfer()
spi: tegra210-quad: add rate limiting and simplify timeout error message
spi: tegra210-quad: use WARN_ON_ONCE instead of WARN_ON for timeouts
spi: sun4i: add support for GPIO chip select lines
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth, CAN and Netfilter.
Current release - regressions:
- two fixes for the netdev per-instance locking
- batman-adv: fix double-hold of meshif when getting enabled
Current release - new code bugs:
- Bluetooth: increment TX timestamping tskey always for stream
sockets
- wifi: static analysis and build fixes for the new Intel sub-driver
Previous releases - regressions:
- net: fib_rules: fix iif / oif matching on L3 master (VRF) device
- ipv6: add exception routes to GC list in rt6_insert_exception()
- netfilter: conntrack: fix erroneous removal of offload bit
- Bluetooth:
- fix sending MGMT_EV_DEVICE_FOUND for invalid address
- l2cap: process valid commands in too long frame
- btnxpuart: Revert baudrate change in nxp_shutdown
Previous releases - always broken:
- ethtool: fix memory corruption during SFP FW flashing
- eth:
- hibmcge: fixes for link and MTU handling, pause frames etc
- igc: fixes for PTM (PCIe timestamping)
- dsa: b53: enable BPDU reception for management port
Misc:
- fixes for Netlink protocol schemas"
* tag 'net-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits)
net: ethernet: mtk_eth_soc: revise QDMA packet scheduler settings
net: ethernet: mtk_eth_soc: correct the max weight of the queue limit for 100Mbps
net: ethernet: mtk_eth_soc: reapply mdc divider on reset
net: ti: icss-iep: Fix possible NULL pointer dereference for perout request
net: ti: icssg-prueth: Fix possible NULL pointer dereference inside emac_xmit_xdp_frame()
net: ti: icssg-prueth: Fix kernel warning while bringing down network interface
netfilter: conntrack: fix erronous removal of offload bit
net: don't try to ops lock uninitialized devs
ptp: ocp: fix start time alignment in ptp_ocp_signal_set
net: dsa: avoid refcount warnings when ds->ops->tag_8021q_vlan_del() fails
net: dsa: free routing table on probe failure
net: dsa: clean up FDB, MDB, VLAN entries on unbind
net: dsa: mv88e6xxx: fix -ENOENT when deleting VLANs and MST is unsupported
net: dsa: mv88e6xxx: avoid unregistering devlink regions which were never registered
net: txgbe: fix memory leak in txgbe_probe() error path
net: bridge: switchdev: do not notify new brentries as changed
net: b53: enable BPDU reception for management port
netlink: specs: rt-neigh: prefix struct nfmsg members with ndm
netlink: specs: rt-link: adjust mctp attribute naming
netlink: specs: rtnetlink: attribute naming corrections
...
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Subvolume roots and the dirents that point to them are special; they
don't obey the normal snapshot versioning rules because they cross
snapshot boundaries.
We don't keep around older versions of subvolume dirents on rename - we
don't need to, because subvolume dirents are only visible in the parent
subvolume, and we wouldn't be able to match up the different dirent and
inode versions due to crossing the snapshot ID boundary.
That means that when we rename a subvolume, that's been snapshotted, the
older version of the subvolume root will become dangling - it won't have
a dirent that points to it.
That's expected, we just need to tell fsck that this is ok.
Fixes: https://github.com/koverstreet/bcachefs/issues/856
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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kbuf imports have the front offset adjusted and segments removed, but
the tail segments are still included in the segment count that gets
passed in the iov_iter. As the segments aren't necessarily all the
same size, move importing to a separate helper and iterate the
mapped length to get an exact count.
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"Just a single fix for the Xen multicall driver avoiding a percpu
variable referencing initdata by its initializer"
* tag 'for-linus-6.15a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: fix multicall debug feature
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull fwctl fixes from Jason Gunthorpe:
"Three small changes from further build testing:
- Don't rely on the userspace uuid.h for the uapi header
- Fix sparse warnings in pds
- Typo in log message"
* tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
fwctl: Fix repeated device word in log message
pds_fwctl: Fix type and endian complaints
fwctl/cxl: Fix uuid_t usage in uapi
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes. All are device-specific like quirks, new
IDs, and other safe (or rather boring) changes"
* tag 'sound-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
firmware: cs_dsp: test_bin_error: Fix uninitialized data used as fw version
ASoC: codecs: Add of_match_table for aw888081 driver
ASoC: fsl: fsl_qmc_audio: Reset audio data pointers on TRIGGER_START event
mailmap: Add entry for Srinivas Kandagatla
MAINTAINERS: use kernel.org alias
ASoC: cs42l43: Reset clamp override on jack removal
ALSA: hda/realtek - Fixed ASUS platform headset Mic issue
ALSA: hda/cirrus_scodec_test: Don't select dependencies
ALSA: azt2320: Replace deprecated strcpy() with strscpy()
ASoC: hdmi-codec: use RTD ID instead of DAI ID for ELD entry
ASoC: Intel: avs: Constrain path based on BE capabilities
ALSA: hda/tas2781: Remove unnecessary NULL check before release_firmware()
ASoC: Intel: avs: Fix null-ptr-deref in avs_component_probe()
ASoC: fsl_asrc_dma: get codec or cpu dai from backend
ASoC: qcom: Fix sc7280 lpass potential buffer overflow
ASoC: dwc: always enable/disable i2s irqs
ASoC: Intel: sof_sdw: Add quirk for Asus Zenbook S16
ASoC: codecs:lpass-wsa-macro: Fix logic of enabling vi channels
ASoC: codecs:lpass-wsa-macro: Fix vi feedback rate
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
"Fixes:
- amd/pmf: Fix STT limits
- asus-laptop: Fix an uninitialized variable
- intel_pmc_ipc: Allow building without ACPI
- mlxbf-bootctl: Use sysfs_emit_at() in secure_boot_fuse_state_show()
- msi-wmi-platform: Add locking to workaround ACPI firmware bug
New HW support:
- alienware-wmi-wmax:
- Extended thermal control support to:
- Alienware Area-51m R2
- Alienware m16 R1
- Alienware m16 R2
- Dell G16 7630
- Dell G5 5505 SE
- G-Mode support to Alienware m16 R1
- x86-android-tablets: Add Vexia Edu Atla 10 tablet 5V data"
* tag 'platform-drivers-x86-v6.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: msi-wmi-platform: Workaround a ACPI firmware bug
platform/x86: msi-wmi-platform: Rename "data" variable
platform/x86: alienware-wmi-wmax: Extend support to more laptops
platform/x86: alienware-wmi-wmax: Add G-Mode support to Alienware m16 R1
platform/x86: amd: pmf: Fix STT limits
mlxbf-bootctl: use sysfs_emit_at() in secure_boot_fuse_state_show()
platform/x86: x86-android-tablets: Add Vexia Edu Atla 10 tablet 5V data
platform/x86: x86-android-tablets: Add "9v" to Vexia EDU ATLA 10 tablet symbols
asus-laptop: Fix an uninitialized variable
platform/x86: intel_pmc_ipc: add option to build without ACPI
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Small drivers fixes, except for ufs which has two large updates, one
for exposing the device level feature, which is a new addition to the
device spec and the other reworking the exynos driver to fix coherence
issues on some android phones"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: megaraid_sas: Driver version update to 07.734.00.00-rc1
scsi: megaraid_sas: Block zero-length ATA VPD inquiry
scsi: scsi_transport_srp: Replace min/max nesting with clamp()
scsi: ufs: core: Add device level exception support
scsi: ufs: core: Rename ufshcd_wb_presrv_usrspc_keep_vcc_on()
scsi: smartpqi: Use is_kdump_kernel() to check for kdump
scsi: pm80xx: Set phy_attached to zero when device is gone
scsi: ufs: exynos: gs101: Put UFS device in reset on .suspend()
scsi: ufs: exynos: Move phy calls to .exit() callback
scsi: ufs: exynos: Enable PRDT pre-fetching with UFSHCD_CAP_CRYPTO
scsi: ufs: exynos: Ensure consistent phy reference counts
scsi: ufs: exynos: Disable iocc if dma-coherent property isn't set
scsi: ufs: exynos: Move UFS shareability value to drvdata
scsi: ufs: exynos: Ensure pre_link() executes before exynos_ufs_phy_init()
scsi: iscsi: Fix missing scsi_host_put() in error path
scsi: ufs: core: Fix a race condition related to device commands
scsi: hisi_sas: Fix I/O errors caused by hardware port ID changes
scsi: hisi_sas: Enable force phy when SATA disk directly connected
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Damien Le Moal:
- Fix how sense data from the sense data for successfull NCQ commands
log page is used to fully initialize the result_tf of a completed
command, so that the sense data returned to the scsi layer is fully
initialized with all the device provided information (from Niklas)
* tag 'ata-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-sata: Save all fields from sense data descriptor
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Pull XFS fixes from Carlos Maiolino:
"This mostly includes fixes and documentation for the zoned allocator
feature merged during previous merge window, but it also adds a sysfs
tunable for the zone garbage collector.
There is also a fix for a regression to the RT device that we'd like
to fix ASAP now that we're getting more users on the RT zoned
allocator"
* tag 'xfs-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: document zoned rt specifics in admin-guide
xfs: fix fsmap for internal zoned devices
xfs: Fix spelling mistake "drity" -> "dirty"
xfs: compute buffer address correctly in xmbuf_map_backing_mem
xfs: add tunable threshold parameter for triggering zone GC
xfs: mark xfs_buf_free as might_sleep()
xfs: remove the leftover xfs_{set,clear}_li_failed infrastructure
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- handle encoded read ioctl returning EAGAIN so it does not mistakenly
free the work structure
- escape subvolume path in mount option list so it cannot be wrongly
parsed when the path contains ","
- remove folio size assertions when writing super block to device with
enabled large folios
* tag 'for-6.15-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: remove folio order ASSERT()s in super block writeback path
btrfs: correctly escape subvol in btrfs_show_options()
btrfs: ioctl: don't free iov when btrfs_encoded_read() returns -EAGAIN
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git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab fix from Vlastimil Babka:
- Stable fix adding zero initialization of slab->obj_ext to prevent
crashes with allocation profiling (Suren Baghdasaryan)
* tag 'slab-for-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
slab: ensure slab->obj_exts is clear in a newly allocated slab page
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux
Merge amd-pstate content for 6.15 (4/15/25) from Mario Limonciello:
"Add a fix for X3D processors where depending upon what BIOS was
set initially rankings might be set improperly.
Add a fix for changing min/max limits while on the performance
governor."
* tag 'amd-pstate-v6.15-2025-04-15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux:
cpufreq/amd-pstate: Enable ITMT support after initializing core rankings
cpufreq/amd-pstate: Fix min_limit perf and freq updation for performance governor
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Since cpufreq_driver_resolve_freq() can run in parallel with
cpufreq_set_policy() and there is no synchronization between them,
the former may access policy->min and policy->max while the latter
is updating them and it may see intermediate values of them due
to the way the update is carried out. Also the compiler is free
to apply any optimizations it wants both to the stores in
cpufreq_set_policy() and to the loads in cpufreq_driver_resolve_freq()
which may result in additional inconsistencies.
To address this, use WRITE_ONCE() when updating policy->min and
policy->max in cpufreq_set_policy() and use READ_ONCE() for reading
them in cpufreq_driver_resolve_freq(). Moreover, rearrange the update
in cpufreq_set_policy() to avoid storing intermediate values in
policy->min and policy->max with the help of the observation that
their new values are expected to be properly ordered upfront.
Also modify cpufreq_driver_resolve_freq() to take the possible reverse
ordering of policy->min and policy->max, which may happen depending on
the ordering of operations when this function and cpufreq_set_policy()
run concurrently, into account by always honoring the max when it
turns out to be less than the min (in case it comes from thermal
throttling or similar).
Fixes: 151717690694 ("cpufreq: Make policy min/max hard requirements")
Cc: 5.16+ <stable@vger.kernel.org> # 5.16+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Christian Loehle <christian.loehle@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://patch.msgid.link/5907080.DvuYhMxLoT@rjwysocki.net
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