* Fix memory leak when corruption is detected during scrubbing parent
pointers.
* Allow SECURE namespace xattrs to use reserved block pool to in order to
prevent ENOSPC.
* Save stack space by passing tracepoint's char array to file_path() instead
of another stack variable.
* Remove unused parameter in macro XFS_DQUOT_LOGRES.
* Replace comma with semicolon in a couple of places.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.11-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Chandan Babu:
- Fix memory leak when corruption is detected during scrubbing parent
pointers
- Allow SECURE namespace xattrs to use reserved block pool to in order
to prevent ENOSPC
- Save stack space by passing tracepoint's char array to file_path()
instead of another stack variable
- Remove unused parameter in macro XFS_DQUOT_LOGRES
- Replace comma with semicolon in a couple of places
* tag 'xfs-6.11-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: convert comma to semicolon
xfs: convert comma to semicolon
xfs: remove unused parameter in macro XFS_DQUOT_LOGRES
xfs: fix file_path handling in tracepoints
xfs: allow SECURE namespace xattrs to use reserved block pool
xfs: fix a memory leak
The runtime constants linker script depended on documented linker
behavior [1]:
"If an output section’s name is the same as the input section’s name
and is representable as a C identifier, then the linker will
automatically PROVIDE two symbols: __start_SECNAME and __stop_SECNAME,
where SECNAME is the name of the section. These indicate the start
address and end address of the output section respectively"
to just automatically define the symbol names for the bounds of the
runtime constant arrays.
It turns out that this isn't actually something we can rely on, with old
linkers not generating these automatic symbols. It looks to have been
introduced in binutils-2.29 back in 2017, and we still support building
with versions all the way back to binutils-2.25 (from 2015).
And yes, Oleg actually seems to be using such ancient versions of
binutils.
So instead of depending on the implicit symbols from "section names
match and are representable C identifiers", just do this all manually.
It's not like it causes us any extra pain, we already have to do that
for all the other sections that we use that often have special
characters in them.
Reported-and-tested-by: Oleg Nesterov <oleg@redhat.com>
Link: https://sourceware.org/binutils/docs/ld/Input-Section-Example.html [1]
Link: https://lore.kernel.org/all/20240802114518.GA20924@redhat.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'io_uring-6.11-20240802' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Two minor tweaks for the NAPI handling, both from Olivier:
- Kill two unused list definitions
- Ensure that multishot NAPI doesn't age away"
* tag 'io_uring-6.11-20240802' of git://git.kernel.dk/linux:
io_uring: remove unused local list heads in NAPI functions
io_uring: keep multishot request NAPI timeout current
- Fix MSI error path cleanup in int340x, allow it to work with a subset
of thermal MSI IRQs if some of them are not working and make it free
all MSI IRQs on module exit (Srinivas Pandruvada).
- Fix a thermal core issue that may lead to missing trip point crossing
events in some cases when thermal_zone_set_trips() is used and update
the thermal core documentation (Rafael Wysocki).
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Merge tag 'thermal-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix a few issues related to the MSI IRQs management in the
int340x thermal driver, fix a thermal core issue that may lead to
missing trip point crossing events and update the thermal core
documentation.
Specifics:
- Fix MSI error path cleanup in int340x, allow it to work with a
subset of thermal MSI IRQs if some of them are not working and make
it free all MSI IRQs on module exit (Srinivas Pandruvada)
- Fix a thermal core issue that may lead to missing trip point
crossing events in some cases when thermal_zone_set_trips() is used
and update the thermal core documentation (Rafael Wysocki)"
* tag 'thermal-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: core: Update thermal zone registration documentation
thermal: trip: Avoid skipping trips in thermal_zone_set_trips()
thermal: intel: int340x: Free MSI IRQ vectors on module exit
thermal: intel: int340x: Allow limited thermal MSI support
thermal: intel: int340x: Fix kernel warning during MSI cleanup
- Expand the speculative SSBS errata workaround to more CPUs
- Ensure jump label changes are visible to all CPUs with a
kick_all_cpus_sync() (and also enable jump label batching as part of
the fix)
- The shadow call stack sanitiser is currently incompatible with Rust,
make CONFIG_RUST conditional on !CONFIG_SHADOW_CALL_STACK
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Expand the speculative SSBS errata workaround to more CPUs
- Ensure jump label changes are visible to all CPUs with a
kick_all_cpus_sync() (and also enable jump label batching as part of
the fix)
- The shadow call stack sanitiser is currently incompatible with Rust,
make CONFIG_RUST conditional on !CONFIG_SHADOW_CALL_STACK
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: jump_label: Ensure patched jump_labels are visible to all CPUs
rust: SHADOW_CALL_STACK is incompatible with Rust
arm64: errata: Expand speculative SSBS workaround (again)
arm64: cputype: Add Cortex-A725 definitions
arm64: cputype: Add Cortex-X1C definitions
the client releasing the caps in question, marked for stable.
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Merge tag 'ceph-for-6.11-rc2' of https://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"A fix for a potential hang in the MDS when cap revocation races with
the client releasing the caps in question, marked for stable"
* tag 'ceph-for-6.11-rc2' of https://github.com/ceph/ceph-client:
ceph: force sending a cap update msg back to MDS for revoke op
confidential VMs
* fix "underline too short" in docs
* eliminate log spam from limited APIC timer periods
* disallow pre-faulting of memory before SEV-SNP VMs are initialized
* delay clearing and encrypting private memory until it is added to
guest page tables
* this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages
can now be moved in the common kvm_gmem_populate() function
* fix compilation error that the RISC-V merge introduced in selftests
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"The bulk of the changes here is a largish change to guest_memfd,
delaying the clearing and encryption of guest-private pages until they
are actually added to guest page tables. This started as "let's make
it impossible to misuse the API" for SEV-SNP; but then it ballooned a
bit.
The new logic is generally simpler and more ready for hugepage support
in guest_memfd.
Summary:
- fix latent bug in how usage of large pages is determined for
confidential VMs
- fix "underline too short" in docs
- eliminate log spam from limited APIC timer periods
- disallow pre-faulting of memory before SEV-SNP VMs are initialized
- delay clearing and encrypting private memory until it is added to
guest page tables
- this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages can
now be moved in the common kvm_gmem_populate() function
- fix compilation error that the RISC-V merge introduced in selftests"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: fix determination of max NPT mapping level for private pages
KVM: riscv: selftests: Fix compile error
KVM: guest_memfd: abstract how prepared folios are recorded
KVM: guest_memfd: let kvm_gmem_populate() operate only on private gfns
KVM: extend kvm_range_has_memory_attributes() to check subset of attributes
KVM: cleanup and add shortcuts to kvm_range_has_memory_attributes()
KVM: guest_memfd: move check for already-populated page to common code
KVM: remove kvm_arch_gmem_prepare_needed()
KVM: guest_memfd: make kvm_gmem_prepare_folio() operate on a single struct kvm
KVM: guest_memfd: delay kvm_gmem_prepare_folio() until the memory is passed to the guest
KVM: guest_memfd: return locked folio from __kvm_gmem_get_pfn
KVM: rename CONFIG_HAVE_KVM_GMEM_* to CONFIG_HAVE_KVM_ARCH_GMEM_*
KVM: guest_memfd: do not go through struct page
KVM: guest_memfd: delay folio_mark_uptodate() until after successful preparation
KVM: guest_memfd: return folio from __kvm_gmem_get_pfn()
KVM: x86: disallow pre-fault for SNP VMs before initialization
KVM: Documentation: Fix title underline too short warning
KVM: x86: Eliminate log spam from limited APIC timer periods
confidential VMs
* fix "underline too short" in docs
* eliminate log spam from limited APIC timer periods
* disallow pre-faulting of memory before SEV-SNP VMs are initialized
* delay clearing and encrypting private memory until it is added to
guest page tables
* this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages
can now be moved in the common kvm_gmem_populate() function
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Merge branch 'kvm-fixes' into HEAD
* fix latent bug in how usage of large pages is determined for
confidential VMs
* fix "underline too short" in docs
* eliminate log spam from limited APIC timer periods
* disallow pre-faulting of memory before SEV-SNP VMs are initialized
* delay clearing and encrypting private memory until it is added to
guest page tables
* this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages
can now be moved in the common kvm_gmem_populate() function
* A fix to avoid dropping some of the internal pseudo-extensions, which
breaks *envcfg dependency parsing.
* The kernel entry address is now aligned in purgatory, which avoids a
misaligned load that can lead to crash on systems that don't support
misaligned accesses early in boot.
* The FW_SFENCE_VMA_RECEIVED perf event was duplicated in a handful of
perf JSON configurations, one of them been updated to
FW_SFENCE_VMA_ASID_SENT.
* The starfive cache driver is now restricted to 64-bit systems, as it
isn't 32-bit clean.
* A fix for to avoid aliasing legacy-mode perf counters with software
perf counters.
* VM_FAULT_SIGSEGV is now handled in the page fault code.
* A fix for stalls during CPU hotplug due to IPIs being disabled.
* A fix for memblock bounds checking. This manifests as a crash on
systems with discontinuous memory maps that have regions that don't
fit in the linear map.
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Merge tag 'riscv-for-linus-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to avoid dropping some of the internal pseudo-extensions, which
breaks *envcfg dependency parsing
- The kernel entry address is now aligned in purgatory, which avoids a
misaligned load that can lead to crash on systems that don't support
misaligned accesses early in boot
- The FW_SFENCE_VMA_RECEIVED perf event was duplicated in a handful of
perf JSON configurations, one of them been updated to
FW_SFENCE_VMA_ASID_SENT
- The starfive cache driver is now restricted to 64-bit systems, as it
isn't 32-bit clean
- A fix for to avoid aliasing legacy-mode perf counters with software
perf counters
- VM_FAULT_SIGSEGV is now handled in the page fault code
- A fix for stalls during CPU hotplug due to IPIs being disabled
- A fix for memblock bounds checking. This manifests as a crash on
systems with discontinuous memory maps that have regions that don't
fit in the linear map
* tag 'riscv-for-linus-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix linear mapping checks for non-contiguous memory regions
RISC-V: Enable the IPI before workqueue_online_cpu()
riscv/mm: Add handling for VM_FAULT_SIGSEGV in mm_fault_error()
perf: riscv: Fix selecting counters in legacy mode
cache: StarFive: Require a 64-bit system
perf arch events: Fix duplicate RISC-V SBI firmware event name
riscv/purgatory: align riscv_kernel_entry
riscv: cpufeature: Do not drop Linux-internal extensions
- Remove unused empty CPU alternatives header file
- Fix recently and erroneously removed exception handling when loading
an invalid floating point register
- Couple of ptdump fixes to reflect the recent changes due to the
uncoupling of physical vs virtual kernel address spaces
- Couple of changes to avoid the unnecessary splitting of large pages
in kernel mappings
- Add the missing MODULE_DESCRIPTION for the CIO modules
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Merge tag 's390-6.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- remove unused empty CPU alternatives header file
- fix recently and erroneously removed exception handling when loading
an invalid floating point register
- ptdump fixes to reflect the recent changes due to the uncoupling of
physical vs virtual kernel address spaces
- changes to avoid the unnecessary splitting of large pages in kernel
mappings
- add the missing MODULE_DESCRIPTION for the CIO modules
* tag 's390-6.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: Keep inittext section writable
s390/vmlinux.lds.S: Move ro_after_init section behind rodata section
s390/mm: Get rid of RELOC_HIDE()
s390/mm/ptdump: Improve sorting of markers
s390/mm/ptdump: Add support for relocated lowcore mapping
s390/mm/ptdump: Fix handling of identity mapping area
s390/cio: Add missing MODULE_DESCRIPTION() macros
s390/alternatives: Remove unused empty header file
s390/fpu: Re-add exception handling in load_fpu_state()
These are three important bug fixes for the cross-architecture tree,
fixing a regression with the new syscall.tbl file, the inconsistent
numbering for the new uretprobe syscall and a bug with iowrite64be
on alpha.
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Merge tag 'asm-generic-fixes-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fixes from Arnd Bergmann:
"These are three important bug fixes for the cross-architecture tree,
fixing a regression with the new syscall.tbl file, the inconsistent
numbering for the new uretprobe syscall and a bug with iowrite64be on
alpha"
* tag 'asm-generic-fixes-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
syscalls: fix syscall macros for newfstat/newfstatat
uretprobe: change syscall number, again
alpha: fix ioread64be()/iowrite64be() helpers
A small collection of fixes:
- Revert of FireWire changes that caused a long-time regression
- Another long-time regression fix for AMD HDMI
- MIDI2 UMP fixes
- HD-audio Conexant codec fixes and a qurik
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Merge tag 'sound-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A small collection of fixes:
- Revert of FireWire changes that caused a long-time regression
- Another long-time regression fix for AMD HDMI
- MIDI2 UMP fixes
- HD-audio Conexant codec fixes and a quirk"
* tag 'sound-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: Conditionally use snooping for AMD HDMI
ALSA: usb-audio: Correct surround channels in UAC1 channel map
ALSA: seq: ump: Explicitly reset RPN with Null RPN
ALSA: seq: ump: Transmit RPN/NRPN message at each MSB/LSB data reception
ALSA: seq: ump: Use the common RPN/bank conversion context
ALSA: ump: Explicitly reset RPN with Null RPN
ALSA: ump: Transmit RPN/NRPN message at each MSB/LSB data reception
Revert "ALSA: firewire-lib: operate for period elapse event in process context"
Revert "ALSA: firewire-lib: obsolete workqueue for period update"
ALSA: hda/realtek: Add quirk for Acer Aspire E5-574G
ALSA: seq: ump: Optimize conversions from SysEx to UMP
ALSA: hda/conexant: Mute speakers at suspend / shutdown
ALSA: hda/generic: Add a helper to mute speakers at suspend/shutdown
ALSA: hda: conexant: Fix headset auto detect fail in the polling mode
client:
- fix error code
atomic:
- allow damage clips with async flips
- allow explicit sync with async flips
kselftests:
- fix dmabuf-heaps test
panic:
- fix schedule_work in panic paths
panel:
- fix OrangePi Neo orientation
gpuvm:
- fix missing dependency
amdgpu:
- SMU 14.x update
- Fix contiguous VRAM handling for IB parsing
- GFX 12 fix
- Regression fix for old APUs
i915:
- Static analysis fix for int overflow
- Fix for HDCP2_STREAM_STATUS macro and removal of PWR_CLK_STATE for gen12
nouveau:
- revert busy wait change that caused a resume regression
- fix buffer placement fault on dynamic pm s/r
- fix refcount underflow
ast:
- fix black screen on resume
- wake during connector status detect
v3d:
- fix issues with perf/timestamp ioctls
vmwgfx:
- fix deadlock in dma-buf fence polling
- fix screen surface refcounting
- fix dumb buffer handling
- fix support for external buffers
- fix overlay with screen targets
- trigger modeset on screen moves
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Merge tag 'drm-fixes-2024-08-02' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Regular weekly fixes. This is a bit larger than usual but doesn't seem
too crazy.
Most of it is vmwgfx changes that fix a bunch of issues with wayland
userspaces with dma-buf/external buffers and modesetting fixes.
Otherwise it's kinda spread out, v3d fixes some new ioctls, nouveau
has regression revert and fixes, amdgpu, i915 and ast have some small
fixes, and some core fixes spread about.
client:
- fix error code
atomic:
- allow damage clips with async flips
- allow explicit sync with async flips
kselftests:
- fix dmabuf-heaps test
panic:
- fix schedule_work in panic paths
panel:
- fix OrangePi Neo orientation
gpuvm:
- fix missing dependency
amdgpu:
- SMU 14.x update
- Fix contiguous VRAM handling for IB parsing
- GFX 12 fix
- Regression fix for old APUs
i915:
- Static analysis fix for int overflow
- Fix for HDCP2_STREAM_STATUS macro and removal of PWR_CLK_STATE for gen12
nouveau:
- revert busy wait change that caused a resume regression
- fix buffer placement fault on dynamic pm s/r
- fix refcount underflow
ast:
- fix black screen on resume
- wake during connector status detect
v3d:
- fix issues with perf/timestamp ioctls
vmwgfx:
- fix deadlock in dma-buf fence polling
- fix screen surface refcounting
- fix dumb buffer handling
- fix support for external buffers
- fix overlay with screen targets
- trigger modeset on screen moves"
* tag 'drm-fixes-2024-08-02' of https://gitlab.freedesktop.org/drm/kernel: (31 commits)
Revert "nouveau: rip out busy fence waits"
nouveau: set placement to original placement on uvmm validate.
drm/atomic: Allow userspace to use damage clips with async flips
drm/atomic: Allow userspace to use explicit sync with atomic async flips
drm/i915: Fix possible int overflow in skl_ddi_calculate_wrpll()
drm/i915/hdcp: Fix HDCP2_STREAM_STATUS macro
drm/ast: astdp: Wake up during connector status detection
i915/perf: Remove code to update PWR_CLK_STATE for gen12
kselftests: dmabuf-heaps: Ensure the driver name is null-terminated
drm/client: Fix error code in drm_client_buffer_vmap_local()
drm/amdgpu: Fix APU handling in amdgpu_pm_load_smu_firmware()
drm/amdgpu: increase mes log buffer size for gfx12
drm/amdgpu: fix contiguous handling for IB parsing v2
drm/amdgpu/pm: support gpu_metrics sysfs interface for smu v14.0.2/3
drm/vmwgfx: Trigger a modeset when the screen moves
drm/vmwgfx: Fix overlay when using Screen Targets
drm/vmwgfx: Add basic support for external buffers
drm/vmwgfx: Fix handling of dumb buffers
drm/vmwgfx: Make sure the screen surface is ref counted
drm/vmwgfx: Fix a deadlock in dma buf fence polling
...
- Add missing power-domains property to the device tree bindings for
the Rockchip Designware AHCI adapter (from Heiko).
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Merge tag 'ata-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Damien Le Moal:
- Add missing power-domains property to the device tree bindings for
the Rockchip Designware AHCI adapter (from Heiko)
* tag 'ata-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
dt-bindings: ata: rockchip-dwc-ahci: add missing power-domains
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fix from Al Viro:
"do_dup2() out-of-bounds array speculation fix"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
protect the fetch of ->fd[fd] in do_dup2() from mispredictions
Although the Arm architecture permits concurrent modification and
execution of NOP and branch instructions, it still requires some
synchronisation to ensure that other CPUs consistently execute the newly
written instruction:
> When the modified instructions are observable, each PE that is
> executing the modified instructions must execute an ISB or perform a
> context synchronizing event to ensure execution of the modified
> instructions
Prior to commit f6cc0c5016 ("arm64: Avoid calling stop_machine() when
patching jump labels"), the arm64 jump_label patching machinery
performed synchronisation using stop_machine() after each modification,
however this was problematic when flipping static keys from atomic
contexts (namely, the arm_arch_timer CPU hotplug startup notifier) and
so we switched to the _nosync() patching routines to avoid "scheduling
while atomic" BUG()s during boot.
In hindsight, the analysis of the issue in f6cc0c5016 isn't quite
right: it cites the use of IPIs in the default patching routines as the
cause of the lockup, whereas stop_machine() does not rely on IPIs and
the I-cache invalidation is performed using __flush_icache_range(),
which elides the call to kick_all_cpus_sync(). In fact, the blocking
wait for other CPUs is what triggers the BUG() and the problem remains
even after f6cc0c5016, for example because we could block on the
jump_label_mutex. Eventually, the arm_arch_timer driver was fixed to
avoid the static key entirely in commit a862fc2254
("clocksource/arm_arch_timer: Remove use of workaround static key").
This all leaves the jump_label patching code in a funny situation on
arm64 as we do not synchronise with other CPUs to reduce the likelihood
of a bug which no longer exists. Consequently, toggling a static key on
one CPU cannot be assumed to take effect on other CPUs, leading to
potential issues, for example with missing preempt notifiers.
Rather than revert f6cc0c5016 and go back to stop_machine() for each
patch site, implement arch_jump_label_transform_apply() and kick all
the other CPUs with an IPI at the end of patching.
Cc: Alexander Potapenko <glider@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Fixes: f6cc0c5016 ("arm64: Avoid calling stop_machine() when patching jump labels")
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240731133601.3073-1-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The __NR_newfstat and __NR_newfstatat macros accidentally got renamed
in the conversion to the syscall.tbl format, dropping the 'new' portion
of the name.
In an unrelated change, the two syscalls are no longer architecture
specific but are once more defined on all 64-bit architectures, so the
'newstat' ABI keyword can be dropped from the table as a simplification.
Fixes: Fixes: 4fe53bf2ba ("syscalls: add generic scripts/syscall.tbl")
Closes: https://lore.kernel.org/lkml/838053e0-b186-4e9f-9668-9a3384a71f23@app.fastmail.com/T/#t
Reported-by: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Despite multiple attempts to get the syscall number assignment right
for the newly added uretprobe syscall, we ended up with a bit of a mess:
- The number is defined as 467 based on the assumption that the
xattrat family of syscalls would use 463 through 466, but those
did not make it into 6.11.
- The include/uapi/asm-generic/unistd.h file still lists the number
463, but the new scripts/syscall.tbl that was supposed to have the
same data lists 467 instead as the number for arc, arm64, csky,
hexagon, loongarch, nios2, openrisc and riscv. None of these
architectures actually provide a uretprobe syscall.
- All the other architectures (powerpc, arm, mips, ...) don't list
this syscall at all.
There are two ways to make it consistent again: either list it with
the same syscall number on all architectures, or only list it on x86
but not in scripts/syscall.tbl and asm-generic/unistd.h.
Based on the most recent discussion, it seems like we won't need it
anywhere else, so just remove the inconsistent assignment and instead
move the x86 number to the next available one in the architecture
specific range, which is 335.
Fixes: 5c28424e9a ("syscalls: Fix to add sys_uretprobe to syscall.tbl")
Fixes: 190fec72df ("uprobe: Wire up uretprobe system call")
Fixes: 63ded11097 ("uprobe: Change uretprobe syscall scope and number")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The thermal sysfs API document is outdated. One of the problems with
it is that is still documents thermal_zone_device_register() which
does not exit any more and it does not reflect the current thermal
zone operations definition.
Replace the thermal_zone_device_register() description in it with
a thermal_zone_device_register_with_trips() description, including
an update of the thermal zone operations list.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://patch.msgid.link/2767845.mvXUDI8C0e@rjwysocki.net
This reverts commit d45bb9c5f7.
Just got a report that this causes some suspend/resume issues,
so back it out and I'll investigate it later.
Reported-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
safety, several fixes for vmwgfx for various modesetting issues, PM fixes
for ast, async flips improvements and two fixes for nouveau to fix
resource refcounting and buffer placement.
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Merge tag 'drm-misc-fixes-2024-08-01' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A couple drm_panic fixes, several v3d fixes to increase the new timestamp API
safety, several fixes for vmwgfx for various modesetting issues, PM fixes
for ast, async flips improvements and two fixes for nouveau to fix
resource refcounting and buffer placement.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240801-interesting-antique-bat-2fe4c0@houat
both callers have verified that fd is not greater than ->max_fds;
however, misprediction might end up with
tofree = fdt->fd[fd];
being speculatively executed. That's wrong for the same reasons
why it's wrong in close_fd()/file_close_fd_locked(); the same
solution applies - array_index_nospec(fd, fdt->max_fds) could differ
from fd only in case of speculative execution on mispredicted path.
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The RISC-V kernel already has checks to ensure that memory which would
lie outside of the linear mapping is not used. However those checks
use memory_limit, which is used to implement the mem= kernel command
line option (to limit the total amount of memory, not its address
range). When memory is made up of two or more non-contiguous memory
banks this check is incorrect.
Two changes are made here:
- add a call in setup_bootmem() to memblock_cap_memory_range() which
will cause any memory which falls outside the linear mapping to be
removed from the memory regions.
- remove the check in create_linear_mapping_page_table() which was
intended to remove memory which is outside the liner mapping based
on memory_limit, as it is no longer needed. Note a check for
mapping more memory than memory_limit (to implement mem=) is
unnecessary because of the existing call to
memblock_enforce_memory_limit().
This issue was seen when booting on a SV39 platform with two memory
banks:
0x00,80000000 1GiB
0x20,00000000 32GiB
This memory range is 158GiB from top to bottom, but the linear mapping
is limited to 128GiB, so the lower block of RAM will be mapped at
PAGE_OFFSET, and the upper block straddles the top of the linear
mapping.
This causes the following Oops:
[ 0.000000] Linux version 6.10.0-rc2-gd3b8dd5b51dd-dirty (stuart.menefy@codasip.com) (riscv64-codasip-linux-gcc (GCC) 13.2.0, GNU ld (GNU Binutils) 2.41.0.20231213) #20 SMP Sat Jun 22 11:34:22 BST 2024
[ 0.000000] memblock_add: [0x0000000080000000-0x00000000bfffffff] early_init_dt_add_memory_arch+0x4a/0x52
[ 0.000000] memblock_add: [0x0000002000000000-0x00000027ffffffff] early_init_dt_add_memory_arch+0x4a/0x52
...
[ 0.000000] memblock_alloc_try_nid: 23724 bytes align=0x8 nid=-1 from=0x0000000000000000 max_addr=0x0000000000000000 early_init_dt_alloc_memory_arch+0x1e/0x48
[ 0.000000] memblock_reserve: [0x00000027ffff5350-0x00000027ffffaffb] memblock_alloc_range_nid+0xb8/0x132
[ 0.000000] Unable to handle kernel paging request at virtual address fffffffe7fff5350
[ 0.000000] Oops [#1]
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.10.0-rc2-gd3b8dd5b51dd-dirty #20
[ 0.000000] Hardware name: codasip,a70x (DT)
[ 0.000000] epc : __memset+0x8c/0x104
[ 0.000000] ra : memblock_alloc_try_nid+0x74/0x84
[ 0.000000] epc : ffffffff805e88c8 ra : ffffffff806148f6 sp : ffffffff80e03d50
[ 0.000000] gp : ffffffff80ec4158 tp : ffffffff80e0bec0 t0 : fffffffe7fff52f8
[ 0.000000] t1 : 00000027ffffb000 t2 : 5f6b636f6c626d65 s0 : ffffffff80e03d90
[ 0.000000] s1 : 0000000000005cac a0 : fffffffe7fff5350 a1 : 0000000000000000
[ 0.000000] a2 : 0000000000005cac a3 : fffffffe7fffaff8 a4 : 000000000000002c
[ 0.000000] a5 : ffffffff805e88c8 a6 : 0000000000005cac a7 : 0000000000000030
[ 0.000000] s2 : fffffffe7fff5350 s3 : ffffffffffffffff s4 : 0000000000000000
[ 0.000000] s5 : ffffffff8062347e s6 : 0000000000000000 s7 : 0000000000000001
[ 0.000000] s8 : 0000000000002000 s9 : 00000000800226d0 s10: 0000000000000000
[ 0.000000] s11: 0000000000000000 t3 : ffffffff8080a928 t4 : ffffffff8080a928
[ 0.000000] t5 : ffffffff8080a928 t6 : ffffffff8080a940
[ 0.000000] status: 0000000200000100 badaddr: fffffffe7fff5350 cause: 000000000000000f
[ 0.000000] [<ffffffff805e88c8>] __memset+0x8c/0x104
[ 0.000000] [<ffffffff8062349c>] early_init_dt_alloc_memory_arch+0x1e/0x48
[ 0.000000] [<ffffffff8043e892>] __unflatten_device_tree+0x52/0x114
[ 0.000000] [<ffffffff8062441e>] unflatten_device_tree+0x9e/0xb8
[ 0.000000] [<ffffffff806046fe>] setup_arch+0xd4/0x5bc
[ 0.000000] [<ffffffff806007aa>] start_kernel+0x76/0x81a
[ 0.000000] Code: b823 02b2 bc23 02b2 b023 04b2 b423 04b2 b823 04b2 (bc23) 04b2
[ 0.000000] ---[ end trace 0000000000000000 ]---
[ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task!
[ 0.000000] ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]---
The problem is that memblock (unaware that some physical memory cannot
be used) has allocated memory from the top of memory but which is
outside the linear mapping region.
Signed-off-by: Stuart Menefy <stuart.menefy@codasip.com>
Fixes: c99127c452 ("riscv: Make sure the linear mapping does not use the kernel mapping")
Reviewed-by: David McKay <david.mckay@codasip.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240622114217.2158495-1-stuart.menefy@codasip.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Merge tag 'pci-v6.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Bjorn Helgaas:
- Fix a pci_intx() regression that caused driver reload to fail with
"Resources present before probing" (Philipp Stanner)
- Fix a pciehp regression that clobbered the upper bits of RAID status
LEDs on NVMe devices behind an Intel VMD (Blazej Kucman)
* tag 'pci-v6.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: pciehp: Retain Power Indicator bits for userspace indicators
PCI: Fix devres regression in pci_intx()
The `if (req_max_level)` test was meant ignore req_max_level if
PG_LEVEL_NONE was returned. Hence, this function should return
max_level instead of the ignored req_max_level.
This is only a latent issue for now, since guest_memfd does not
support large pages.
Signed-off-by: Ackerley Tng <ackerleytng@google.com>
Message-ID: <20240801173955.1975034-1-ackerleytng@google.com>
Fixes: f32fb32820 ("KVM: x86: Add hook for determining max NPT mapping level")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The sysfs "attention" file normally controls the Slot Control Attention
Indicator with 0 (off), 1 (on), 2 (blink) settings.
576243b3f9 ("PCI: pciehp: Allow exclusive userspace control of
indicators") added pciehp_set_raw_indicator_status() to allow userspace to
directly control all four bits in both the Attention Indicator and the
Power Indicator fields via the "attention" file.
This is used on Intel VMD bridges so utilities like "ledmon" can use sysfs
"attention" to control up to 16 indicators for NVMe device RAID status.
abaaac4845 ("PCI: hotplug: Use FIELD_GET/PREP()") broke this by masking
the sysfs data with PCI_EXP_SLTCTL_AIC, which discards the upper two bits
intended for the Power Indicator Control field (PCI_EXP_SLTCTL_PIC).
For NVMe devices behind an Intel VMD, ledmon settings that use the
PCI_EXP_SLTCTL_PIC bits, i.e., ATTENTION_REBUILD (0x5), ATTENTION_LOCATE
(0x7), ATTENTION_FAILURE (0xD), ATTENTION_OFF (0xF), no longer worked
correctly.
Mask with PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC to retain both the
Attention Indicator and the Power Indicator bits.
Fixes: abaaac4845 ("PCI: hotplug: Use FIELD_GET/PREP()")
Link: https://lore.kernel.org/r/20240722141440.7210-1-blazej.kucman@intel.com
Signed-off-by: Blazej Kucman <blazej.kucman@intel.com>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v6.7+
pci_intx() becomes managed if pcim_enable_device() has been called in
advance. Commit 25216afc9d ("PCI: Add managed pcim_intx()") changed this
behavior so that pci_intx() always leads to creation of a separate device
resource for itself, whereas earlier, a shared resource was used for all
PCI devres operations.
Unfortunately, pci_intx() seems to be used in some drivers' remove() paths;
in the managed case this causes a device resource to be created on driver
detach, which causes .probe() to fail if the driver is reloaded:
pci 0000:00:1f.2: Resources present before probing
Fix the regression by only redirecting pci_intx() to its managed twin
pcim_intx() if the pci_command changes.
Link: https://lore.kernel.org/r/20240725120729.59788-2-pstanner@redhat.com
Fixes: 25216afc9d ("PCI: Add managed pcim_intx()")
Reported-by: Damien Le Moal <dlemoal@kernel.org>
Closes: https://lore.kernel.org/all/b8f4ba97-84fc-4b7e-ba1a-99de2d9f0118@kernel.org/
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
[bhelgaas: add error message to commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Damien Le Moal <dlemoal@kernel.org>
Current release - regressions:
- core: drop bad gso csum_start and offset in virtio_net_hdr
- wifi: mt76: fix null pointer access in mt792x_mac_link_bss_remove
- eth: tun: add missing bpf_net_ctx_clear() in do_xdp_generic()
- phy: aquantia: only poll GLOBAL_CFG regs on aqr113, aqr113c and aqr115c
Current release - new code bugs:
- smc: prevent UAF in inet_create()
- bluetooth: btmtk: fix kernel crash when entering btmtk_usb_suspend
- eth: bnxt: reject unsupported hash functions
Previous releases - regressions:
- sched: act_ct: take care of padding in struct zones_ht_key
- netfilter: fix null-ptr-deref in iptable_nat_table_init().
- tcp: adjust clamping window for applications specifying SO_RCVBUF
Previous releases - always broken:
- ethtool: rss: small fixes to spec and GET
- mptcp:
- fix signal endpoint re-add
- pm: fix backup support in signal endpoints
- wifi: ath12k: fix soft lockup on suspend
- eth: bnxt_en: fix RSS logic in __bnxt_reserve_rings()
- eth: ice: fix AF_XDP ZC timeout and concurrency issues
- eth: mlx5:
- fix missing lock on sync reset reload
- fix error handling in irq_pool_request_irq
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wireless, bleutooth, BPF and netfilter.
Current release - regressions:
- core: drop bad gso csum_start and offset in virtio_net_hdr
- wifi: mt76: fix null pointer access in mt792x_mac_link_bss_remove
- eth: tun: add missing bpf_net_ctx_clear() in do_xdp_generic()
- phy: aquantia: only poll GLOBAL_CFG regs on aqr113, aqr113c and
aqr115c
Current release - new code bugs:
- smc: prevent UAF in inet_create()
- bluetooth: btmtk: fix kernel crash when entering btmtk_usb_suspend
- eth: bnxt: reject unsupported hash functions
Previous releases - regressions:
- sched: act_ct: take care of padding in struct zones_ht_key
- netfilter: fix null-ptr-deref in iptable_nat_table_init().
- tcp: adjust clamping window for applications specifying SO_RCVBUF
Previous releases - always broken:
- ethtool: rss: small fixes to spec and GET
- mptcp:
- fix signal endpoint re-add
- pm: fix backup support in signal endpoints
- wifi: ath12k: fix soft lockup on suspend
- eth: bnxt_en: fix RSS logic in __bnxt_reserve_rings()
- eth: ice: fix AF_XDP ZC timeout and concurrency issues
- eth: mlx5:
- fix missing lock on sync reset reload
- fix error handling in irq_pool_request_irq"
* tag 'net-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits)
mptcp: fix duplicate data handling
mptcp: fix bad RCVPRUNED mib accounting
ipv6: fix ndisc_is_useropt() handling for PIO
igc: Fix double reset adapter triggered from a single taprio cmd
net: MAINTAINERS: Demote Qualcomm IPA to "maintained"
net: wan: fsl_qmc_hdlc: Discard received CRC
net: wan: fsl_qmc_hdlc: Convert carrier_lock spinlock to a mutex
net/mlx5e: Add a check for the return value from mlx5_port_set_eth_ptys
net/mlx5e: Fix CT entry update leaks of modify header context
net/mlx5e: Require mlx5 tc classifier action support for IPsec prio capability
net/mlx5: Fix missing lock on sync reset reload
net/mlx5: Lag, don't use the hardcoded value of the first port
net/mlx5: DR, Fix 'stack guard page was hit' error in dr_rule
net/mlx5: Fix error handling in irq_pool_request_irq
net/mlx5: Always drain health in shutdown callback
net: Add skbuff.h to MAINTAINERS
r8169: don't increment tx_dropped in case of NETDEV_TX_BUSY
netfilter: iptables: Fix potential null-ptr-deref in ip6table_nat_table_init().
netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init().
net: drop bad gso csum_start and offset in virtio_net_hdr
...
When using the shadow call stack sanitizer, all code must be compiled
with the -ffixed-x18 flag, but this flag is not currently being passed
to Rust. This results in crashes that are extremely difficult to debug.
To ensure that nobody else has to go through the same debugging session
that I had to, prevent configurations that enable both SHADOW_CALL_STACK
and RUST.
It is rather common for people to backport 724a75ac95 ("arm64: rust:
Enable Rust support for AArch64"), so I recommend applying this fix all
the way back to 6.1.
Cc: stable@vger.kernel.org # 6.1 and later
Fixes: 724a75ac95 ("arm64: rust: Enable Rust support for AArch64")
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20240729-shadow-call-stack-v4-1-2a664b082ea4@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
A number of Arm Ltd CPUs suffer from errata whereby an MSR to the SSBS
special-purpose register does not affect subsequent speculative
instructions, permitting speculative store bypassing for a window of
time.
We worked around this for a number of CPUs in commits:
* 7187bb7d0b ("arm64: errata: Add workaround for Arm errata 3194386 and 3312417")
* 75b3c43eab ("arm64: errata: Expand speculative SSBS workaround")
Since then, similar errata have been published for a number of other Arm
Ltd CPUs, for which the same mitigation is sufficient. This is described
in their respective Software Developer Errata Notice (SDEN) documents:
* Cortex-A76 (MP052) SDEN v31.0, erratum 3324349
https://developer.arm.com/documentation/SDEN-885749/3100/
* Cortex-A77 (MP074) SDEN v19.0, erratum 3324348
https://developer.arm.com/documentation/SDEN-1152370/1900/
* Cortex-A78 (MP102) SDEN v21.0, erratum 3324344
https://developer.arm.com/documentation/SDEN-1401784/2100/
* Cortex-A78C (MP138) SDEN v16.0, erratum 3324346
https://developer.arm.com/documentation/SDEN-1707916/1600/
* Cortex-A78C (MP154) SDEN v10.0, erratum 3324347
https://developer.arm.com/documentation/SDEN-2004089/1000/
* Cortex-A725 (MP190) SDEN v5.0, erratum 3456106
https://developer.arm.com/documentation/SDEN-2832921/0500/
* Cortex-X1 (MP077) SDEN v21.0, erratum 3324344
https://developer.arm.com/documentation/SDEN-1401782/2100/
* Cortex-X1C (MP136) SDEN v16.0, erratum 3324346
https://developer.arm.com/documentation/SDEN-1707914/1600/
* Neoverse-N1 (MP050) SDEN v32.0, erratum 3324349
https://developer.arm.com/documentation/SDEN-885747/3200/
* Neoverse-V1 (MP076) SDEN v19.0, erratum 3324341
https://developer.arm.com/documentation/SDEN-1401781/1900/
Note that due to the manner in which Arm develops IP and tracks errata,
some CPUs share a common erratum number and some CPUs have multiple
erratum numbers for the same HW issue.
On parts without SB, it is necessary to use ISB for the workaround. The
spec_bar() macro used in the mitigation will expand to a "DSB SY; ISB"
sequence in this case, which is sufficient on all affected parts.
Enable the existing mitigation by adding the relevant MIDRs to
erratum_spec_ssbs_list. The list is sorted alphanumerically (involving
moving Neoverse-V3 after Neoverse-V2) so that this is easy to audit and
potentially extend again in future. The Kconfig text is also updated to
clarify the set of affected parts and the mitigation.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20240801101803.1982459-4-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Add cputype definitions for Cortex-A725. These will be used for errata
detection in subsequent patches.
These values can be found in the Cortex-A725 TRM:
https://developer.arm.com/documentation/107652/0001/
... in table A-247 ("MIDR_EL1 bit descriptions").
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20240801101803.1982459-3-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Add cputype definitions for Cortex-X1C. These will be used for errata
detection in subsequent patches.
These values can be found in the Cortex-X1C TRM:
https://developer.arm.com/documentation/101968/0002/
... in section B2.107 ("MIDR_EL1, Main ID Register, EL1").
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20240801101803.1982459-2-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Sometimes the hotplug cpu stalls at the arch_cpu_idle() for a while after
workqueue_online_cpu(). When cpu stalls at the idle loop, the reschedule
IPI is pending. However the enable bit is not enabled yet so the cpu stalls
at WFI until watchdog timeout. Therefore enable the IPI before the
workqueue_online_cpu() to fix the issue.
Fixes: 63c5484e74 ("workqueue: Add multiple affinity scopes and interface to select them")
Signed-off-by: Nick Hu <nick.hu@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240717031714.1946036-1-nick.hu@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Handle VM_FAULT_SIGSEGV in the page fault path so that we correctly
kill the process and we don't BUG() the kernel.
Fixes: 07037db5d4 ("RISC-V: Paging and MMU")
Signed-off-by: Zhe Qiao <qiaozhe@iscas.ac.cn>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240731084547.85380-1-qiaozhe@iscas.ac.cn
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
It is required to check event type before checking event config.
Events with the different types can have the same config.
This check is missed for legacy mode code
For such perf usage:
sysctl -w kernel.perf_user_access=2
perf stat -e cycles,L1-dcache-loads --
driver will try to force both events to CYCLE counter.
This commit implements event type check before forcing
events on the special counters.
Signed-off-by: Shifrin Dmitry <dmitry.shifrin@syntacore.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Fixes: cc4c07c89a ("drivers: perf: Implement perf event mmap support in the SBI backend")
Link: https://lore.kernel.org/r/20240729125858.630653-1-dmitry.shifrin@syntacore.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This has a bunch of {read,write}q() calls, so it won't work on 32-bit
systems. I don't think there's any 32-bit StarFive systems, so for now
just require 64-bit.
Fixes: cabff60ca7 ("cache: Add StarFive StarLink cache management")
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Link: https://lore.kernel.org/r/20240722154519.25375-2-palmer@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
When alignment handling is delegated to the kernel, everything must be
word-aligned in purgatory, since the trap handler is then set to the
kexec one. Without the alignment, hitting the exception would
ultimately crash. On other occasions, the kernel's handler would take
care of exceptions.
This has been tested on a JH7110 SoC with oreboot and its SBI delegating
unaligned access exceptions and the kernel configured to handle them.
Fixes: 736e30af58 ("RISC-V: Add purgatory")
Signed-off-by: Daniel Maslowski <cyrevolt@gmail.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240719170437.247457-1-cyrevolt@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Compile-testing the crypto/caam driver on alpha showed a pre-existing
problem on alpha with iowrite64be() missing:
ERROR: modpost: "iowrite64be" [drivers/crypto/caam/caam_jr.ko] undefined!
The prototypes were added a while ago when we started using asm-generic/io.h,
but the implementation was still missing. At some point the ioread64/iowrite64
helpers were added, but the big-endian versions are still missing, and
the generic version (using readq/writeq) is would not work here.
Change it to wrap ioread64()/iowrite64() instead.
Fixes: beba3771d9 ("crypto: caam: Make CRYPTO_DEV_FSL_CAAM dependent of COMPILE_TEST")
Fixes: e19d4ebc53 ("alpha: add full ioread64/iowrite64 implementation")
Fixes: 7e772dad99 ("alpha: Use generic <asm-generic/io.h>")
Closes: https://lore.kernel.org/all/CAHk-=wgEyzSxTs467NDOVfBSzWvUS6ztcwhiy=M3xog==KBmTw@mail.gmail.com/
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
If a client sends out a cap update dropping caps with the prior 'seq'
just before an incoming cap revoke request, then the client may drop
the revoke because it believes it's already released the requested
capabilities.
This causes the MDS to wait indefinitely for the client to respond
to the revoke. It's therefore always a good idea to ack the cap
revoke request with the bumped up 'seq'.
Currently if the cap->issued equals to the newcaps the check_caps()
will do nothing, we should force flush the caps.
Cc: stable@vger.kernel.org
Link: https://tracker.ceph.com/issues/61782
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Matthieu Baerts says:
====================
mptcp: fix duplicate data handling
In some cases, the subflow-level's copied_seq counter was incorrectly
increased, leading to an unexpected subflow reset.
Patch 1/2 fixes the RCVPRUNED MIB counter that was attached to the wrong
event since its introduction in v5.14, backported to v5.11.
Patch 2/2 fixes the copied_seq counter issues, is present since v5.10.
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
====================
Link: https://patch.msgid.link/20240731-upstream-net-20240731-mptcp-dup-data-v1-0-bde833fa628a@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When a subflow receives and discards duplicate data, the mptcp
stack assumes that the consumed offset inside the current skb is
zero.
With multiple subflows receiving data simultaneously such assertion
does not held true. As a result the subflow-level copied_seq will
be incorrectly increased and later on the same subflow will observe
a bad mapping, leading to subflow reset.
Address the issue taking into account the skb consumed offset in
mptcp_subflow_discard_data().
Fixes: 04e4cd4f7c ("mptcp: cleanup mptcp_subflow_discard_data()")
Cc: stable@vger.kernel.org
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/501
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Since its introduction, the mentioned MIB accounted for the wrong
event: wake-up being skipped as not-needed on some edge condition
instead of incoming skb being dropped after landing in the (subflow)
receive queue.
Move the increment in the correct location.
Fixes: ce599c5163 ("mptcp: properly account bulk freed memory")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'nf-24-07-31' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
Fix a possible null-ptr-deref sometimes triggered by iptables-restore at
boot time. Register iptables {ipv4,ipv6} nat table pernet in first place
to fix this issue. Patch #1 and #2 from Kuniyuki Iwashima.
netfilter pull request 24-07-31
* tag 'nf-24-07-31' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: iptables: Fix potential null-ptr-deref in ip6table_nat_table_init().
netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init().
====================
Link: https://patch.msgid.link/20240731213046.6194-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The current logic only works if the PIO is between two
other ND user options. This fixes it so that the PIO
can also be either before or after other ND user options
(for example the first or last option in the RA).
side note: there's actually Android tests verifying
a portion of the old broken behaviour, so:
https://android-review.googlesource.com/c/kernel/tests/+/3196704
fixes those up.
Cc: Jen Linkova <furry@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Cc: Patrick Rohr <prohr@google.com>
Cc: David Ahern <dsahern@kernel.org>
Cc: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Fixes: 048c796beb ("ipv6: adjust ndisc_is_useropt() to also return true for PIO")
Link: https://patch.msgid.link/20240730001748.147636-1-maze@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Following the implementation of "igc: Add TransmissionOverrun counter"
patch, when a taprio command is triggered by user, igc processes two
commands: TAPRIO_CMD_REPLACE followed by TAPRIO_CMD_STATS. However, both
commands unconditionally pass through igc_tsn_offload_apply() which
evaluates and triggers reset adapter. The double reset causes issues in
the calculation of adapter->qbv_count in igc.
TAPRIO_CMD_REPLACE command is expected to reset the adapter since it
activates qbv. It's unexpected for TAPRIO_CMD_STATS to do the same
because it doesn't configure any driver-specific TSN settings. So, the
evaluation in igc_tsn_offload_apply() isn't needed for TAPRIO_CMD_STATS.
To address this, commands parsing are relocated to
igc_tsn_enable_qbv_scheduling(). Commands that don't require an adapter
reset will exit after processing, thus avoiding igc_tsn_offload_apply().
Fixes: d3750076d4 ("igc: Add TransmissionOverrun counter")
Signed-off-by: Faizal Rahim <faizal.abdul.rahim@linux.intel.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20240730173304.865479-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
