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- Fix a kexec bug,
- Fix an UML build bug,
- Fix a handful of SRSO related bugs,
- Fix a shadow stacks handling bug & robustify related code.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Fix a kexec bug
- Fix an UML build bug
- Fix a handful of SRSO related bugs
- Fix a shadow stacks handling bug & robustify related code
* tag 'x86-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/shstk: Add warning for shadow stack double unmap
x86/shstk: Remove useless clone error handling
x86/shstk: Handle vfork clone failure correctly
x86/srso: Fix SBPB enablement for spec_rstack_overflow=off
x86/srso: Don't probe microcode in a guest
x86/srso: Set CPUID feature bits independently of bug or mitigation status
x86/srso: Fix srso_show_state() side effect
x86/asm: Fix build of UML with KASAN
x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()
incorrect code, and fix a lockdep reporting race that may result in lockups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
"Fix a include/linux/atomic/atomic-arch-fallback.h breakage that
generated incorrect code, and fix a lockdep reporting race that may
result in lockups"
* tag 'locking-urgent-2023-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/seqlock: Do the lockdep annotation before locking in do_write_seqcount_begin_nested()
locking/atomic: scripts: fix fallback ifdeffery
Commit
7825451fa4dc ("static_call: Add call depth tracking support")
failed to realize the problem fixed there is not specific to call depth
tracking but applies to all return-thunk uses.
Move the fix to the appropriate place and condition.
Fixes: ee88d363d156 ("x86,static_call: Use alternative RET encoding")
Reported-by: David Kaplan <David.Kaplan@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
The following commit
095b8303f383 ("x86/alternative: Make custom return thunk unconditional")
made '__x86_return_thunk' a placeholder value. All code setting
X86_FEATURE_RETHUNK also changes the value of 'x86_return_thunk'. So
the optimization at the beginning of apply_returns() is dead code.
Also, before the above-mentioned commit, the optimization actually had a
bug It bypassed __static_call_fixup(), causing some raw returns to
remain unpatched in static call trampolines. Thus the 'Fixes' tag.
Fixes: d2408e043e72 ("x86/alternative: Optimize returns patching")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/16d19d2249d4485d8380fb215ffaae81e6b8119e.1693889988.git.jpoimboe@kernel.org
Merge a fix for recently introduced uninitialized memory access in the
ACPI processor driver from Michal Wilczynski.
* acpi-processor:
ACPI: processor: Fix uninitialized access of buf in acpi_set_pdc_bits()
- fix boot regression on SEV-SNP (and TDX) caused by a fix in the
preceding batch
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Merge tag 'efi-fixes-for-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"Follow-up fix for the unaccepted memory fix merged last week as part
of the first EFI fixes batch.
The unaccepted memory table needs to be accessible very early, even in
cases (such as crashkernels) where the direct map does not cover all
of DRAM, and so it is added to memblock explicitly, and subsequently
memblock_reserve()'d as before"
* tag 'efi-fixes-for-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/unaccepted: Make sure unaccepted table is mapped
- drop Ben as he retired from nouveau
core:
- drm_mm test fixes
fbdev:
- Kconfig fixes
ivpu:
- IRQ-handling fixes
meson:
- Fix memory leak in HDMI EDID code
nouveau:
- Correct type casting
- Fix memory leak in scheduler
- u_memcpya() fixes
i915:
- Prevent error pointer dereference
- Fix PMU busyness values when using GuC mode
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0
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Merge tag 'drm-fixes-2023-09-22-2' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Ben Skeggs is stepping away from nouveau and Red Hat for personal
reasons, he'll be missed and we intend to fill the gaps in the
upcoming time with Danilo and Lyude stepping in for now.
Otherwise i915, nouveau, amdgpu with a few each and some misc spread
around.
MAINTAINERS:
- drop Ben as he retired from nouveau
core:
- drm_mm test fixes
fbdev:
- Kconfig fixes
ivpu:
- IRQ-handling fixes
meson:
- Fix memory leak in HDMI EDID code
nouveau:
- Correct type casting
- Fix memory leak in scheduler
- u_memcpya() fixes
i915:
- Prevent error pointer dereference
- Fix PMU busyness values when using GuC mode
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0"
* tag 'drm-fixes-2023-09-22-2' of git://anongit.freedesktop.org/drm/drm:
MAINTAINERS: remove myself as nouveau maintainer
fbdev/sh7760fb: Depend on FB=y
drm/amdkfd: Use gpu_offset for user queue's wptr
drm/amd/display: fix the ability to use lower resolution modes on eDP
drm/amdgpu: fix a memory leak in amdgpu_ras_feature_enable
Revert "drm/amdgpu: Report vbios version instead of PN"
drm/amd/display: Fix MST recognizes connected displays as one
drm/virtio: clean out_fence on complete_submit
i915/pmu: Move execlist stats initialization to execlist specific setup
drm/i915/gt: Prevent error pointer dereference
drm/meson: fix memory leak on ->hpd_notify callback
accel/ivpu/40xx: Fix buttress interrupt handling
nouveau/u_memcpya: fix NULL vs error pointer bug
nouveau/u_memcpya: use vmemdup_user
drm/nouveau: sched: fix leaking memory of timedout job
drm/nouveau: fence: fix type cast warning in nouveau_fence_emit()
drm: fix up fbdev Kconfig defaults
drm/tests: Fix incorrect argument in drm_test_mm_insert_range
Highlights:
- Add Ilpo Järvinen as platform-drivers-x86 co-maintainer
- Set of Intel SCU IPC fixes
- thinkpad_acpi locking fix
The following is an automated git shortlog grouped by driver:
MAINTAINERS:
- Add x86 platform drivers patchwork
- Add myself into x86 platform driver maintainers
intel_scu_ipc:
- Fail IPC send if still busy
- Don't override scu in intel_scu_ipc_dev_simple_command()
- Check status upon timeout in ipc_wait_for_interrupt()
- Check status after timeout in busy_loop()
thinkpad_acpi:
- Take mutex in hotkey_resume
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Merge tag 'platform-drivers-x86-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"The most noteworthy change in here is the addition of Ilpo Järvinen as
co-maintainer of platform-drivers-x86. Ilpo will be helping me with
platform-drivers-x86 maintenance going forward and you can expect
pull-requests from Ilpo in the future.
Other then that there is a set of Intel SCU IPC fixes and a
thinkpad_acpi locking fix"
* tag 'platform-drivers-x86-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
MAINTAINERS: Add x86 platform drivers patchwork
MAINTAINERS: Add myself into x86 platform driver maintainers
platform/x86: thinkpad_acpi: Take mutex in hotkey_resume
platform/x86: intel_scu_ipc: Fail IPC send if still busy
platform/x86: intel_scu_ipc: Don't override scu in intel_scu_ipc_dev_simple_command()
platform/x86: intel_scu_ipc: Check status upon timeout in ipc_wait_for_interrupt()
platform/x86: intel_scu_ipc: Check status after timeout in busy_loop()
When regcache_rbtree_write() creates a new rbtree_node it was passing the
wrong bit number to regcache_rbtree_set_register(). The bit number is the
offset __in number of registers__, but in the case of creating a new block
regcache_rbtree_write() was not dividing by the address stride to get the
number of registers.
Fix this by dividing by map->reg_stride.
Compare with regcache_rbtree_read() where the bit is checked.
This bug meant that the wrong register was marked as present. The register
that was written to the cache could not be read from the cache because it
was not marked as cached. But a nearby register could be marked as having
a cached value even if it was never written to the cache.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 3f4ff561bc88 ("regmap: rbtree: Make cache_present bitmap per node")
Link: https://lore.kernel.org/r/20230922153711.28103-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
A pm_runtime_disable was left in when the driver was ported to use
devm_pm_runtime_enable, remove it.
Fixes: ef75e767167a ("spi: cs42l43: Add SPI controller support")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230922090829.1467594-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The following error message is reported when running the example in document.
# timerlat hist -d 10m -c 0-4 -P d:100us:1ms -p 1ms --no-aa
Failed to set timerlat period
Could not apply config
The unit of the period is microsecond, '1ms' cannot be accepted.
usage: [rtla] timerlat hist [-h] [-q] [-d s] [-D] [-n] [-a us] [-p us] [-i us] [-T us] [-s us] ...
...
-p/--period us: timerlat period in us
...
Also fix another minor missleading comment.
Link: https://lore.kernel.org/lkml/20230919133028.697144-1-xiexiuqi@huaweicloud.com
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
If no CPU list is passed, timerlat in user-space will dispatch
one thread per sysconf(_SC_NPROCESSORS_CONF). However, not all
CPU might be available, for instance, if HT is disabled.
Currently, rtla timerlat is stopping the session if an user-space
thread cannot set affinity to a CPU, or if a running user-space
thread is killed. However, this is too restrictive.
So, reduce the error to a debug message, and rtla timerlat run as
long as there is at least one user-space thread alive.
Link: https://lore.kernel.org/lkml/59cf2c882900ab7de91c6ee33b382ac7fa6b4ed0.1694781909.git.bristot@kernel.org
Fixes: cdca4f4e5e8e ("rtla/timerlat_top: Add timerlat user-space support")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
In order to use run_kselftest.sh the list of tests must be emitted to
populate kselftest-list.txt.
The powerpc Makefile is written to use EMIT_TESTS. But support for
EMIT_TESTS was dropped in commit d4e59a536f50 ("selftests: Use runner.sh
for emit targets"). Although prior to that commit a548de0fe8e1
("selftests: lib.mk: add test execute bit check to EMIT_TESTS") had
already broken run_kselftest.sh for powerpc due to the executable check
using the wrong path.
It can be fixed by replacing the EMIT_TESTS definitions with actual
emit_tests rules in the powerpc Makefiles. This makes run_kselftest.sh
able to run powerpc tests:
$ cd linux
$ export ARCH=powerpc
$ export CROSS_COMPILE=powerpc64le-linux-gnu-
$ make headers
$ make -j -C tools/testing/selftests install
$ grep -c "^powerpc" tools/testing/selftests/kselftest_install/kselftest-list.txt
182
Fixes: d4e59a536f50 ("selftests: Use runner.sh for emit targets")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230921072623.828772-1-mpe@ellerman.id.au
The changes to copy_thread() made in commit eed7c420aac7 ("powerpc:
copy_thread differentiate kthreads and user mode threads") inadvertently
broke arch_stack_walk_reliable() because it has knowledge of the stack
layout.
Fix it by changing the condition to match the new logic in
copy_thread(). The changes make the comments about the stack layout
incorrect, rather than rephrasing them just refer the reader to
copy_thread().
Also the comment about the stack backchain is no longer true, since
commit edbd0387f324 ("powerpc: copy_thread add a back chain to the
switch stack frame"), so remove that as well.
Fixes: eed7c420aac7 ("powerpc: copy_thread differentiate kthreads and user mode threads")
Reported-by: Joe Lawrence <joe.lawrence@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230921232441.1181843-1-mpe@ellerman.id.au
When running an SVA case, the following soft lockup is triggered:
--------------------------------------------------------------------
watchdog: BUG: soft lockup - CPU#244 stuck for 26s!
pstate: 83400009 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : arm_smmu_cmdq_issue_cmdlist+0x178/0xa50
lr : arm_smmu_cmdq_issue_cmdlist+0x150/0xa50
sp : ffff8000d83ef290
x29: ffff8000d83ef290 x28: 000000003b9aca00 x27: 0000000000000000
x26: ffff8000d83ef3c0 x25: da86c0812194a0e8 x24: 0000000000000000
x23: 0000000000000040 x22: ffff8000d83ef340 x21: ffff0000c63980c0
x20: 0000000000000001 x19: ffff0000c6398080 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: ffff3000b4a3bbb0
x14: ffff3000b4a30888 x13: ffff3000b4a3cf60 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : ffffc08120e4d6bc
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000048cfa
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 000000000000000a
x2 : 0000000080000000 x1 : 0000000000000000 x0 : 0000000000000001
Call trace:
arm_smmu_cmdq_issue_cmdlist+0x178/0xa50
__arm_smmu_tlb_inv_range+0x118/0x254
arm_smmu_tlb_inv_range_asid+0x6c/0x130
arm_smmu_mm_invalidate_range+0xa0/0xa4
__mmu_notifier_invalidate_range_end+0x88/0x120
unmap_vmas+0x194/0x1e0
unmap_region+0xb4/0x144
do_mas_align_munmap+0x290/0x490
do_mas_munmap+0xbc/0x124
__vm_munmap+0xa8/0x19c
__arm64_sys_munmap+0x28/0x50
invoke_syscall+0x78/0x11c
el0_svc_common.constprop.0+0x58/0x1c0
do_el0_svc+0x34/0x60
el0_svc+0x2c/0xd4
el0t_64_sync_handler+0x114/0x140
el0t_64_sync+0x1a4/0x1a8
--------------------------------------------------------------------
Note that since 6.6-rc1 the arm_smmu_mm_invalidate_range above is renamed
to "arm_smmu_mm_arch_invalidate_secondary_tlbs", yet the problem remains.
The commit 06ff87bae8d3 ("arm64: mm: remove unused functions and variable
protoypes") fixed a similar lockup on the CPU MMU side. Yet, it can occur
to SMMU too, since arm_smmu_mm_arch_invalidate_secondary_tlbs() is called
typically next to MMU tlb flush function, e.g.
tlb_flush_mmu_tlbonly {
tlb_flush {
__flush_tlb_range {
// check MAX_TLBI_OPS
}
}
mmu_notifier_arch_invalidate_secondary_tlbs {
arm_smmu_mm_arch_invalidate_secondary_tlbs {
// does not check MAX_TLBI_OPS
}
}
}
Clone a CMDQ_MAX_TLBI_OPS from the MAX_TLBI_OPS in tlbflush.h, since in an
SVA case SMMU uses the CPU page table, so it makes sense to align with the
tlbflush code. Then, replace per-page TLBI commands with a single per-asid
TLBI command, if the request size hits this threshold.
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/20230920052257.8615-1-nicolinc@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
Kernels older than v5.19 do not support PerfMonV2 and the PMI handler
does not clear the overflow bits of the PerfCntrGlobalStatus register.
Because of this, loading a recent kernel using kexec from an older
kernel can result in inconsistent register states on Zen 4 systems.
The PMI handler of the new kernel gets confused and shows a warning when
an overflow occurs because some of the overflow bits are set even if the
corresponding counters are inactive. These are remnants from overflows
that were handled by the older kernel.
During CPU hotplug, the PerfCntrGlobalCtl and PerfCntrGlobalStatus
registers should always be cleared for PerfMonV2-capable processors.
However, a condition used for NB event constaints applicable only to
older processors currently prevents this from happening. Move the reset
sequence to an appropriate place and also clear the LBR Freeze bit.
Fixes: 21d59e3e2c40 ("perf/x86/amd/core: Detect PerfMonV2 support")
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/882a87511af40792ba69bb0e9026f19a2e71e8a3.1694696888.git.sandipan.das@amd.com
The error paths for xiic_reinit() return negative values on failure
and 0 on success - this error message therefore is triggered on
_success_ rather than failure. Correct the condition so it's only
shown on failure as intended.
Fixes: 8fa9c9388053 ("i2c: xiic: return value of xiic_reinit")
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
gpio_sim_make_line_names() returns NULL or ERR_PTR() so we must not use
__free(kfree) on the returned address. Split this function into two, one
that determines the size of the "gpio-line-names" array to allocate and
one that actually sets the names at correct offsets. The allocation and
assignment of the managed pointer happens in between.
Fixes: 3faf89f27aab ("gpio: sim: simplify code with cleanup helpers")
Reported-by: Alexey Dobriyan <adobriyan@gmail.com>
Closes: https://lore.kernel.org/all/07c32bf1-6c1a-49d9-b97d-f0ae4a2b42ab@p183/
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
On MT76x0, LNA gain should be applied for both external and internal LNA.
On MT76x2, LNA gain should be treated as 0 for external LNA.
Move the LNA type based logic to mt76x2 in order to fix mt76x0.
Fixes: 2daa67588f34 ("mt76x0: unify lna_gain parsing")
Reported-by: Shiji Yang <yangshiji66@outlook.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230919194747.31647-1-nbd@nbd.name
Process the result of hdlc_open() and call uhdlc_close()
in case of an error. It is necessary to pass the error
code up the control flow, similar to a possible
error in request_irq().
Also add a hdlc_close() call to the uhdlc_close()
because the comment to hdlc_close() says it must be called
by the hardware driver when the HDLC device is being closed
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: c19b6d246a35 ("drivers/net: support hdlc function for QE-UCC")
Signed-off-by: Alexandra Diupina <adiupina@astralinux.ru>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0
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Merge tag 'amd-drm-fixes-6.6-2023-09-20' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.6-2023-09-20:
amdgpu:
- MST fix
- Vbios part number reporting fix
- Fix a possible memory leak in an error case in the RAS code
- Fix low resolution modes on eDP
amdkfd:
- Fix GPU address for user queue wptr when GART is not at 0
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230920222915.7789-1-alexander.deucher@amd.com
Some old drives (e.g. an Ultra320 SCSI disk as reported by John) do not
seem to execute MAINTENANCE_IN / MI_REPORT_SUPPORTED_OPERATION_CODES
commands correctly and hang when a non-zero service action is specified
(one command format with service action case in scsi_report_opcode()).
Currently, CDL probing with scsi_cdl_check_cmd() is the only caller using a
non zero service action for scsi_report_opcode(). To avoid issues with
these old drives, do not attempt CDL probe if the device reports support
for an SPC version lower than 5 (CDL was introduced in SPC-5). To keep
things working with ATA devices which probe for the CDL T2A and T2B pages
introduced with SPC-6, modify ata_scsiop_inq_std() to claim SPC-6 version
compatibility for ATA drives supporting CDL.
SPC-6 standard version number is defined as Dh (= 13) in SPC-6 r09. Fix
scsi_probe_lun() to correctly capture this value by changing the bit mask
for the second byte of the INQUIRY response from 0x7 to 0xf.
include/scsi/scsi.h is modified to add the definition SCSI_SPC_6 with the
value 14 (Dh + 1). The missing definitions for the SCSI_SPC_4 and
SCSI_SPC_5 versions are also added.
Reported-by: John David Anglin <dave.anglin@bell.net>
Fixes: 624885209f31 ("scsi: core: Detect support for command duration limits")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230915022034.678121-1-dlemoal@kernel.org
Tested-by: David Gow <david@davidgow.net>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
If ->iov_idx is zero, This means that the iov vector for the response
was not added during the request process. In other words, it means that
there is a problem in generating a response, So this patch return as
an error to avoid NULL pointer dereferencing problem.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
- provide dummy implementation of acpi_proc_quirk_mwait_check() which
was moved out of generic code into arch/x86, breaking the ia64 build
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Merge tag 'fix-ia64-build-for-v6.6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ardb/linux
Merge an ia64 ACPI build fix for v6.6 from Ard Biesheuvel:
"Build fix for Itanium/ia64:
- provide dummy implementation of acpi_proc_quirk_mwait_check() which
was moved out of generic code into arch/x86, breaking the ia64 build"
* tag 'fix-ia64-build-for-v6.6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/ardb/linux:
acpi: Provide ia64 dummy implementation of acpi_proc_quirk_mwait_check()
Current release - regressions:
- bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE
- netfilter: fix entries val in rule reset audit log
- eth: stmmac: fix incorrect rxq|txq_stats reference
Previous releases - regressions:
- ipv4: fix null-deref in ipv4_link_failure
- netfilter:
- fix several GC related issues
- fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
- eth: team: fix null-ptr-deref when team device type is changed
- eth: i40e: fix VF VLAN offloading when port VLAN is configured
- eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
Previous releases - always broken:
- core: fix ETH_P_1588 flow dissector
- mptcp: fix several connection hang-up conditions
- bpf:
- avoid deadlock when using queue and stack maps from NMI
- add override check to kprobe multi link attach
- hsr: properly parse HSRv1 supervisor frames.
- eth: igc: fix infinite initialization loop with early XDP redirect
- eth: octeon_ep: fix tx dma unmap len values in SG
- eth: hns3: fix GRE checksum offload issue
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter and bpf.
Current release - regressions:
- bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE
- netfilter: fix entries val in rule reset audit log
- eth: stmmac: fix incorrect rxq|txq_stats reference
Previous releases - regressions:
- ipv4: fix null-deref in ipv4_link_failure
- netfilter:
- fix several GC related issues
- fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
- eth: team: fix null-ptr-deref when team device type is changed
- eth: i40e: fix VF VLAN offloading when port VLAN is configured
- eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
Previous releases - always broken:
- core: fix ETH_P_1588 flow dissector
- mptcp: fix several connection hang-up conditions
- bpf:
- avoid deadlock when using queue and stack maps from NMI
- add override check to kprobe multi link attach
- hsr: properly parse HSRv1 supervisor frames.
- eth: igc: fix infinite initialization loop with early XDP redirect
- eth: octeon_ep: fix tx dma unmap len values in SG
- eth: hns3: fix GRE checksum offload issue"
* tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast()
igc: Expose tx-usecs coalesce setting to user
octeontx2-pf: Do xdp_do_flush() after redirects.
bnxt_en: Flush XDP for bnxt_poll_nitroa0()'s NAPI
net: ena: Flush XDP packets on error.
net/handshake: Fix memory leak in __sock_create() and sock_alloc_file()
net: hinic: Fix warning-hinic_set_vlan_fliter() warn: variable dereferenced before check 'hwdev'
netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
netfilter: nf_tables: fix memleak when more than 255 elements expired
netfilter: nf_tables: disable toggling dormant table state more than once
vxlan: Add missing entries to vxlan_get_size()
net: rds: Fix possible NULL-pointer dereference
team: fix null-ptr-deref when team device type is changed
net: bridge: use DEV_STATS_INC()
net: hns3: add 5ms delay before clear firmware reset irq source
net: hns3: fix fail to delete tc flower rules during reset issue
net: hns3: only enable unicast promisc when mac table full
net: hns3: fix GRE checksum offload issue
net: hns3: add cmdq check for vf periodic service task
net: stmmac: fix incorrect rxq|txq_stats reference
...
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Merge tag 'v6.6-rc3.vfs.ctime.revert' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull finegrained timestamp reverts from Christian Brauner:
"Earlier this week we sent a few minor fixes for the multi-grained
timestamp work in [1]. While we were polishing those up after Linus
realized that there might be a nicer way to fix them we received a
regression report in [2] that fine grained timestamps break gnulib
tests and thus possibly other tools.
The kernel will elide fine-grain timestamp updates when no one is
actively querying for them to avoid performance impacts. So a sequence
like write(f1) stat(f2) write(f2) stat(f2) write(f1) stat(f1) may
result in timestamp f1 to be older than the final f2 timestamp even
though f1 was last written too but the second write didn't update the
timestamp.
Such plotholes can lead to subtle bugs when programs compare
timestamps. For example, the nap() function in [2] will estimate that
it needs to wait one ns on a fine-grain timestamp enabled filesytem
between subsequent calls to observe a timestamp change. But in general
we don't update timestamps with more than one jiffie if we think that
no one is actively querying for fine-grain timestamps to avoid
performance impacts.
While discussing various fixes the decision was to go back to the
drawing board and ultimately to explore a solution that involves only
exposing such fine-grained timestamps to nfs internally and never to
userspace.
As there are multiple solutions discussed the honest thing to do here
is not to fix this up or disable it but to cleanly revert. The general
infrastructure will probably come back but there is no reason to keep
this code in mainline.
The general changes to timestamp handling are valid and a good cleanup
that will stay. The revert is fully bisectable"
Link: https://lore.kernel.org/all/20230918-hirte-neuzugang-4c2324e7bae3@brauner [1]
Link: https://lore.kernel.org/all/bf0524debb976627693e12ad23690094e4514303.camel@linuxfromscratch.org [2]
* tag 'v6.6-rc3.vfs.ctime.revert' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
Revert "fs: add infrastructure for multigrain timestamps"
Revert "btrfs: convert to multigrain timestamps"
Revert "ext4: switch to multigrain timestamps"
Revert "xfs: switch to multigrain timestamps"
Revert "tmpfs: add support for multigrain timestamps"
Jens reported a compiler warning when using
CONFIG_CC_OPTIMIZE_FOR_SIZE=y that looks like this
fs/btrfs/tree-log.c: In function ‘btrfs_log_prealloc_extents’:
fs/btrfs/tree-log.c:4828:23: warning: ‘start_slot’ may be used
uninitialized [-Wmaybe-uninitialized]
4828 | ret = copy_items(trans, inode, dst_path, path,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4829 | start_slot, ins_nr, 1, 0);
| ~~~~~~~~~~~~~~~~~~~~~~~~~
fs/btrfs/tree-log.c:4725:13: note: ‘start_slot’ was declared here
4725 | int start_slot;
| ^~~~~~~~~~
The compiler is incorrect, as we only use this code when ins_len > 0,
and when ins_len > 0 we have start_slot properly initialized. However
we generally find the -Wmaybe-uninitialized warnings valuable, so
initialize start_slot to get rid of the warning.
Reported-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Jens reported a compiler error when using CONFIG_CC_OPTIMIZE_FOR_SIZE=y
that looks like this
In function ‘gather_device_info’,
inlined from ‘btrfs_create_chunk’ at fs/btrfs/volumes.c:5507:8:
fs/btrfs/volumes.c:5245:48: warning: ‘dev_offset’ may be used uninitialized [-Wmaybe-uninitialized]
5245 | devices_info[ndevs].dev_offset = dev_offset;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
fs/btrfs/volumes.c: In function ‘btrfs_create_chunk’:
fs/btrfs/volumes.c:5196:13: note: ‘dev_offset’ was declared here
5196 | u64 dev_offset;
This occurs because find_free_dev_extent is responsible for setting
dev_offset, however if we get an -ENOMEM at the top of the function
we'll return without setting the value.
This isn't actually a problem because we will see the -ENOMEM in
gather_device_info() and return and not use the uninitialized value,
however we also just don't want the compiler warning so rework the code
slightly in find_free_dev_extent() to make sure it's always setting
*start and *len to avoid the compiler warning.
Reported-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
- A fix for breakpoint handling which was using get_user() while atomic.
- Fix the Power10 HASHCHK handler which was using get_user() while atomic.
- A few build fixes for issues caused by recent changes.
Thanks to: Benjamin Gray, Christophe Leroy, Kajol Jain, Naveen N Rao.
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Merge tag 'powerpc-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- A fix for breakpoint handling which was using get_user() while atomic
- Fix the Power10 HASHCHK handler which was using get_user() while
atomic
- A few build fixes for issues caused by recent changes
Thanks to Benjamin Gray, Christophe Leroy, Kajol Jain, and Naveen N Rao.
* tag 'powerpc-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/dexcr: Move HASHCHK trap handler
powerpc/82xx: Select FSL_SOC
powerpc: Fix build issue with LD_DEAD_CODE_DATA_ELIMINATION and FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
powerpc/watchpoints: Annotate atomic context in more places
powerpc/watchpoint: Disable pagefaults when getting user instruction
powerpc/watchpoints: Disable preemption in thread_change_pc()
powerpc/perf/hv-24x7: Update domain value check
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Merge tag 'for-linus-6.6a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- remove some unused functions in the Xen event channel handling
- fix a regression (introduced during the merge window) when booting as
Xen PV guest
- small cleanup removing another strncpy() instance
* tag 'for-linus-6.6a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/efi: refactor deprecated strncpy
x86/xen: allow nesting of same lazy mode
x86/xen: move paravirt lazy code
arm/xen: remove lazy mode related definitions
xen: simplify evtchn_do_upcall() call maze
Fix several compilation errors and warnings in memblock tests
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Merge tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock test fixes from Mike Rapoport:
"Fix several compilation errors and warnings in memblock tests"
* tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock tests: fix warning ‘struct seq_file’ declared inside parameter list
memblock tests: fix warning: "__ALIGN_KERNEL" redefined
memblock tests: Fix compilation errors.
A large collection of fixes around this time.
All small and mostly trivial fixes.
- Lots of fixes for the new -Wformat-truncation warnings
- A fix in ALSA rawmidi core regression and UMP handling
- Series of Cirrus codec fixes
- ASoC Intel and Realtek codec fixes
- Usual HD- and USB-audio quirks and AMD ASoC quirks
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Merge tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A large collection of fixes around this time.
All small and mostly trivial fixes.
- Lots of fixes for the new -Wformat-truncation warnings
- A fix in ALSA rawmidi core regression and UMP handling
- Series of Cirrus codec fixes
- ASoC Intel and Realtek codec fixes
- Usual HD- and USB-audio quirks and AMD ASoC quirks"
* tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (64 commits)
ALSA: hda/realtek - ALC287 Realtek I2S speaker platform support
ALSA: hda: cs35l56: Use the new RUNTIME_PM_OPS() macro
ALSA: usb-audio: scarlett_gen2: Fix another -Wformat-truncation warning
ALSA: rawmidi: Fix NULL dereference at proc read
ASoC: SOF: core: Only call sof_ops_free() on remove if the probe was successful
ASoC: SOF: Intel: MTL: Reduce the DSP init timeout
ASoC: cs42l43: Add shared IRQ flag for shutters
ASoC: imx-audmix: Fix return error with devm_clk_get()
ASoC: hdaudio.c: Add missing check for devm_kstrdup
ALSA: riptide: Fix -Wformat-truncation warning for longname string
ALSA: cs4231: Fix -Wformat-truncation warning for longname string
ALSA: ad1848: Fix -Wformat-truncation warning for longname string
ALSA: hda: generic: Check potential mixer name string truncation
ALSA: cmipci: Fix -Wformat-truncation warning
ALSA: firewire: Fix -Wformat-truncation warning for MIDI stream names
ALSA: firewire: Fix -Wformat-truncation warning for longname string
ALSA: xen: Fix -Wformat-truncation warning
ALSA: opti9x: Fix -Wformat-truncation warning
ALSA: es1688: Fix -Wformat-truncation warning
ALSA: cs4236: Fix -Wformat-truncation warning
...
One patch to drop a non-existent alarm attribute in the nct6775 driver
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Merge tag 'hwmon-for-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"One patch to drop a non-existent alarm attribute in the nct6775 driver"
* tag 'hwmon-for-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (nct6775) Fix non-existent ALARM warning
The mmu_notifier path is a bit of a special snowflake, e.g. it zaps only a
single address space (because it's per-slot), and can't always yield.
Because of this, it calls kvm_tdp_mmu_zap_leafs() in ways that no one
else does.
Iterate manually over the leafs in response to an mmu_notifier
invalidation, instead of invoking kvm_tdp_mmu_zap_leafs(). Drop the
@can_yield param from kvm_tdp_mmu_zap_leafs() as its sole remaining
caller unconditionally passes "true".
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230916003916.2545000-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently the AIA ONE_REG registers are reported by get-reg-list
as new registers for various vcpu_reg_list configs whenever Ssaia
is available on the host because Ssaia extension can only be
disabled by Smstateen extension which is not always available.
To tackle this, we should filter-out AIA ONE_REG registers only
when Ssaia can't be disabled for a VCPU.
Fixes: 477069398ed6 ("KVM: riscv: selftests: Add get-reg-list test")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Same set of ISA_EXT registers are not present on all host because
ISA_EXT registers are visible to the KVM user space based on the
ISA extensions available on the host. Also, disabling an ISA
extension using corresponding ISA_EXT register does not affect
the visibility of the ISA_EXT register itself.
Based on the above, we should filter-out all ISA_EXT registers.
Fixes: 477069398ed6 ("KVM: riscv: selftests: Add get-reg-list test")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
The riscv_vcpu_get_isa_ext_single() should fail with -ENOENT error
when corresponding ISA extension is not available on the host.
Fixes: e98b1085be79 ("RISC-V: KVM: Factor-out ONE_REG related code to its own source file")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
The ISA_EXT registers to enabled/disable ISA extensions for VCPU
are always available when underlying host has the corresponding
ISA extension. The copy_isa_ext_reg_indices() called by the
KVM_GET_REG_LIST API does not align with this expectation so
let's fix it.
Fixes: 031f9efafc08 ("KVM: riscv: Add KVM_GET_REG_LIST API support")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
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Merge tag 'nf-23-09-20' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter updates for net
The following three patches fix regressions in the netfilter subsystem:
1. Reject attempts to repeatedly toggle the 'dormant' flag in a single
transaction. Doing so makes nf_tables lose track of the real state
vs. the desired state. This ends with an attempt to unregister hooks
that were never registered in the first place, which yields a splat.
2. Fix element counting in the new nftables garbage collection infra
that came with 6.5: More than 255 expired elements wraps a counter
which results in memory leak.
3. Since 6.4 ipset can BUG when a set is renamed while a CREATE command
is in progress, fix from Jozsef Kadlecsik.
* tag 'nf-23-09-20' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
netfilter: nf_tables: fix memleak when more than 255 elements expired
netfilter: nf_tables: disable toggling dormant table state more than once
====================
Link: https://lore.kernel.org/r/20230920084156.4192-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In i2c_mux_gpio_probe_fw(), we should add fwnode_handle_put()
when break out of the iteration device_for_each_child_node()
as it will automatically increase and decrease the refcounter.
Fixes: 98b2b712bc85 ("i2c: i2c-mux-gpio: Enable this driver in ACPI land")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Several places in TC offload code assumed that the return from
rhashtable_lookup_get_insert_fast() was always either NULL or a valid
pointer to an existing entry, but in fact that function can return an
error pointer. In that case, perform the usual cleanup of the newly
created entry, then pass up the error, rather than attempting to take a
reference on the old entry.
Fixes: d902e1a737d4 ("sfc: bare bones TC offload on EF100")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20230919183949.59392-1-edward.cree@amd.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
