The multi-CS support splits the comment and the code in the spi_set_cs().
To avoid this in the future extract spi_toggle_csgpiod() helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240415193340.1279360-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
There is no need to allocate chip_data and then validate number of
CS pins as it will have the same effect. Hence move number of CS pins
validation out of condition in setup().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240403171550.1074644-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The ID table already has respective entry and MODULE_DEVICE_TABLE and
creates proper alias for platform driver. Having another MODULE_ALIAS
causes the alias to be duplicated.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240414154859.126931-1-krzk@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit 8167bd1c8a ("ASoC: dt-bindings: ti,pcm1681: Convert to dtschema")
converts ti,pcm1681.txt to ti,pcm1681.yaml, but misses to adjust the file
entry in TEXAS INSTRUMENTS AUDIO (ASoC/HDA) DRIVERS.
Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a
broken reference.
Adjust the file entry in TEXAS INSTRUMENTS AUDIO (ASoC/HDA) DRIVERS after
this conversion.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Link: https://msgid.link/r/20240411075803.53657-1-lukas.bulwahn@redhat.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Make cdns,fifo-depth devicetree property optional.
Value can be detected at runtime.
Upper SRAMPARTITION register bits are read-only. Procedure to find FIFO
depth is therefore to write 0xFFFFFFFF and read back to get amount of
writeable bits.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://msgid.link/r/20240410-cdns-qspi-mbly-v3-3-7b7053449cf7@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Compatibles are ordered by date of addition.
Switch to (deterministic) alphabetical ordering.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://msgid.link/r/20240410-cdns-qspi-mbly-v3-1-7b7053449cf7@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Refactor code for "is the node's child available?" check by using the
corresponding macro instead, which reads more clearly.
While at it, use scope-based cleanup instead of manual of_node_put()
calls when getting platform data through cdns_xspi_of_get_plat_data().
This removes the unnecessary "node_child" declaration out of the loop's
scope and auto cleans up "node_child" when it goes out of scope, even
when we return early due to error.
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://msgid.link/r/20240410130205.179069-1-five231003@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
cqspi_enable_dtr() is called for each operation, commands or not, reads
or writes. It writes CQSPI_REG_CONFIG then waits for idle (three
successful reads). Skip that in the no-DTR case if DTR is already
disabled.
It cannot be skipped in the DTR case as cqspi_setup_opcode_ext() writes
to a register and we must wait for idle state.
According to ftrace, the average cqspi_exec_mem_op() call goes from
85.4µs to 83.6µs when reading 235M over UBIFS on an octal flash.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://msgid.link/r/20240405-cdns-qspi-mbly-v2-6-956679866d6d@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Avoid of_device_get_match_data() call on each IRQ and each read
operation. Store pointer in `struct cqspi_st` device instance.
End-to-end performance measurements improve with this patch. On a given
octal flash, reading 235M over UBIFS is ~3.4% faster. During that read,
the average cqspi_exec_mem_op() call goes from 85.4µs to 80.7µs
according to ftrace. The worst case goes from 622.4µs to 615.2µs.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://msgid.link/r/20240405-cdns-qspi-mbly-v2-4-956679866d6d@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- Fix a timer migration bug that may result in missed events
- Fix timer migration group hierarchy event updates
- Fix a PowerPC64 build warning
- Fix a handful of DocBook annotation bugs
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
"Fix various timer bugs:
- Fix a timer migration bug that may result in missed events
- Fix timer migration group hierarchy event updates
- Fix a PowerPC64 build warning
- Fix a handful of DocBook annotation bugs"
* tag 'timers-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers/migration: Return early on deactivation
timers/migration: Fix ignored event due to missing CPU update
vdso: Use CONFIG_PAGE_SHIFT in vdso/datapage.h
timers: Fix text inconsistencies and spelling
tick/sched: Fix struct tick_sched doc warnings
tick/sched: Fix various kernel-doc warnings
timers: Fix kernel-doc format and add Return values
time/timekeeping: Fix kernel-doc warnings and typos
time/timecounter: Fix inline documentation
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf fix from Ingo Molnar:
"Fix a combined PEBS events bug on x86 Intel CPUs"
* tag 'perf-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/ds: Don't clear ->pebs_data_cfg for the last PEBS event
- Address a slow memory leak with RPC-over-TCP
- Prevent another NFS4ERR_DELAY loop during CREATE_SESSION
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Merge tag 'nfsd-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Address a slow memory leak with RPC-over-TCP
- Prevent another NFS4ERR_DELAY loop during CREATE_SESSION
* tag 'nfsd-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: hold a lighter-weight client reference over CB_RECALL_ANY
SUNRPC: Fix a slow server-side memory leak with RPC-over-TCP
* Allow creating new links to special files which were not associated with a
project quota.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.9-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fix from Chandan Babu:
- Allow creating new links to special files which were not associated
with a project quota
* tag 'xfs-6.9-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: allow cross-linking special files without project quota
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Merge tag '6.9-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix to retry close to avoid potential handle leaks when server
returns EBUSY
- DFS fixes including a fix for potential use after free
- fscache fix
- minor strncpy cleanup
- reconnect race fix
- deal with various possible UAF race conditions tearing sessions down
* tag '6.9-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect()
smb: client: fix potential UAF in smb2_is_network_name_deleted()
smb: client: fix potential UAF in is_valid_oplock_break()
smb: client: fix potential UAF in smb2_is_valid_oplock_break()
smb: client: fix potential UAF in smb2_is_valid_lease_break()
smb: client: fix potential UAF in cifs_stats_proc_show()
smb: client: fix potential UAF in cifs_stats_proc_write()
smb: client: fix potential UAF in cifs_dump_full_key()
smb: client: fix potential UAF in cifs_debug_files_proc_show()
smb3: retrying on failed server close
smb: client: serialise cifs_construct_tcon() with cifs_mount_mutex
smb: client: handle DFS tcons in cifs_construct_tcon()
smb: client: refresh referral without acquiring refpath_lock
smb: client: guarantee refcounted children from parent session
cifs: Fix caching to try to do open O_WRONLY as rdwr on server
smb: client: fix UAF in smb2_reconnect_server()
smb: client: replace deprecated strncpy with strscpy
srso_alias_untrain_ret() is special code, even if it is a dummy
which is called in the !SRSO case, so annotate it like its real
counterpart, to address the following objtool splat:
vmlinux.o: warning: objtool: .export_symbol+0x2b290: data relocation to !ENDBR: srso_alias_untrain_ret+0x0
Fixes: 4535e1a417 ("x86/bugs: Fix the SRSO mitigation on Zen3/4")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240405144637.17908-1-bp@kernel.org
We want to fix:
0e11073247 ("x86/retpoline: Do the necessary fixup to the Zen3/4 srso return thunk for !SRSO")
So merge in Linus's latest into x86/urgent to have it available.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
the definition of icr_bits[] inside the ifdef block where it is
used.
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Merge tag 'i2c-host-fixes-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
An unused const variable kind of error has been fixed by placing
the definition of icr_bits[] inside the ifdef block where it is
used.
The firewire-ohci kernel module has a parameter for verbose kernel logging.
It is well-known that it logs the spurious IRQ for bus-reset event due to
the unmasked register for IRQ event. This update fixes the issue.
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Merge tag 'firewire-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixes from Takashi Sakamoto:
"The firewire-ohci kernel module has a parameter for verbose kernel
logging. It is well-known that it logs the spurious IRQ for bus-reset
event due to the unmasked register for IRQ event. This update fixes
the issue"
* tag 'firewire-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: ohci: mask bus reset interrupts between ISR and bottom half
In the FireWire OHCI interrupt handler, if a bus reset interrupt has
occurred, mask bus reset interrupts until bus_reset_work has serviced and
cleared the interrupt.
Normally, we always leave bus reset interrupts masked. We infer the bus
reset from the self-ID interrupt that happens shortly thereafter. A
scenario where we unmask bus reset interrupts was introduced in 2008 in
a007bb857e: If
OHCI_PARAM_DEBUG_BUSRESETS (8) is set in the debug parameter bitmask, we
will unmask bus reset interrupts so we can log them.
irq_handler logs the bus reset interrupt. However, we can't clear the bus
reset event flag in irq_handler, because we won't service the event until
later. irq_handler exits with the event flag still set. If the
corresponding interrupt is still unmasked, the first bus reset will
usually freeze the system due to irq_handler being called again each
time it exits. This freeze can be reproduced by loading firewire_ohci
with "modprobe firewire_ohci debug=-1" (to enable all debugging output).
Apparently there are also some cases where bus_reset_work will get called
soon enough to clear the event, and operation will continue normally.
This freeze was first reported a few months after a007bb85 was committed,
but until now it was never fixed. The debug level could safely be set
to -1 through sysfs after the module was loaded, but this would be
ineffectual in logging bus reset interrupts since they were only
unmasked during initialization.
irq_handler will now leave the event flag set but mask bus reset
interrupts, so irq_handler won't be called again and there will be no
freeze. If OHCI_PARAM_DEBUG_BUSRESETS is enabled, bus_reset_work will
unmask the interrupt after servicing the event, so future interrupts
will be caught as desired.
As a side effect to this change, OHCI_PARAM_DEBUG_BUSRESETS can now be
enabled through sysfs in addition to during initial module loading.
However, when enabled through sysfs, logging of bus reset interrupts will
be effective only starting with the second bus reset, after
bus_reset_work has executed.
Signed-off-by: Adam Goldman <adamg@pobox.com>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
A few small driver specific fixes, the most important being the s3c64xx
change which is likely to be hit during normal operation.
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Merge tag 'spi-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few small driver specific fixes, the most important being the
s3c64xx change which is likely to be hit during normal operation"
* tag 'spi-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: mchp-pci1xxx: Fix a possible null pointer dereference in pci1xxx_spi_probe
spi: spi-fsl-lpspi: remove redundant spi_controller_put call
spi: s3c64xx: Use DMA mode from fifo size
Richard found a nasty corner case in the maple tree code which he fixed,
and also fixed a compiler warning which was showing up with the
toolchain he uses and helpfully identified a possible incorrect error
code which could have runtime impacts.
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Merge tag 'regmap-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fixes from Mark Brown:
"Richard found a nasty corner case in the maple tree code which he
fixed, and also fixed a compiler warning which was showing up with the
toolchain he uses and helpfully identified a possible incorrect error
code which could have runtime impacts"
* tag 'regmap-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: maple: Fix uninitialized symbol 'ret' warnings
regmap: maple: Fix cache corruption in regcache_maple_drop()
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Merge tag 'io_uring-6.9-20240405' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Backport of some fixes that came up during development of the 6.10
io_uring patches. This includes some kbuf cleanups and reference
fixes.
- Disable multishot read if we don't have NOWAIT support on the target
- Fix for a dependency issue with workqueue flushing
* tag 'io_uring-6.9-20240405' of git://git.kernel.dk/linux:
io_uring/kbuf: hold io_buffer_list reference over mmap
io_uring/kbuf: protect io_buffer_list teardown with a reference
io_uring/kbuf: get rid of bl->is_ready
io_uring/kbuf: get rid of lower BGID lists
io_uring: use private workqueue for exit work
io_uring: disable io-wq execution of multishot NOWAIT requests
io_uring/rw: don't allow multishot reads without NOWAIT support
The most important is the libsas fix, which is a problem for DMA to a
kmalloc'd structure too small causing cache line interference. The
other fixes (all in drivers) are mostly for allocation length fixes,
error leg unwinding, suspend races and a missing retry.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"The most important is the libsas fix, which is a problem for DMA to a
kmalloc'd structure too small causing cache line interference. The
other fixes (all in drivers) are mostly for allocation length fixes,
error leg unwinding, suspend races and a missing retry"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Fix MCQ mode dev command timeout
scsi: libsas: Align SMP request allocation to ARCH_DMA_MINALIGN
scsi: sd: Unregister device if device_add_disk() failed in sd_probe()
scsi: ufs: core: WLUN suspend dev/link state error recovery
scsi: mylex: Fix sysfs buffer lengths
- Fix NIOS2 boot with external DTB
- Add missing synchronization needed between fw_devlink and DT overlay
removals
- Fix some unit-address regex's to be hex only
- Drop some 10+ year old "unstable binding" statements
- Add new SoCs to QCom UFS binding
- Add TPM bindings to TPM maintainers
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Merge tag 'devicetree-fixes-for-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix NIOS2 boot with external DTB
- Add missing synchronization needed between fw_devlink and DT overlay
removals
- Fix some unit-address regex's to be hex only
- Drop some 10+ year old "unstable binding" statements
- Add new SoCs to QCom UFS binding
- Add TPM bindings to TPM maintainers
* tag 'devicetree-fixes-for-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
nios2: Only use built-in devicetree blob if configured to do so
dt-bindings: timer: narrow regex for unit address to hex numbers
dt-bindings: soc: fsl: narrow regex for unit address to hex numbers
dt-bindings: remoteproc: ti,davinci: remove unstable remark
dt-bindings: clock: ti: remove unstable remark
dt-bindings: clock: keystone: remove unstable remark
of: module: prevent NULL pointer dereference in vsnprintf()
dt-bindings: ufs: qcom: document SM6125 UFS
dt-bindings: ufs: qcom: document SC7180 UFS
dt-bindings: ufs: qcom: document SC8180X UFS
of: dynamic: Synchronize of_changeset_destroy() with the devlink removals
driver core: Introduce device_link_wait_removal()
docs: dt-bindings: add missing address/size-cells to example
MAINTAINERS: Add TPM DT bindings to TPM maintainers
There are a couple of fixups for this cycle's vmalloc changes and one for
the stackdepot changes. And a fix for a very old x86 PAT issue which can
cause a warning splat.
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Merge tag 'mm-hotfixes-stable-2024-04-05-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"8 hotfixes, 3 are cc:stable
There are a couple of fixups for this cycle's vmalloc changes and one
for the stackdepot changes. And a fix for a very old x86 PAT issue
which can cause a warning splat"
* tag 'mm-hotfixes-stable-2024-04-05-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
stackdepot: rename pool_index to pool_index_plus_1
x86/mm/pat: fix VM_PAT handling in COW mappings
MAINTAINERS: change vmware.com addresses to broadcom.com
selftests/mm: include strings.h for ffsl
mm: vmalloc: fix lockdep warning
mm: vmalloc: bail out early in find_vmap_area() if vmap is not init
init: open output files from cpio unpacking with O_LARGEFILE
mm/secretmem: fix GUP-fast succeeding on secretmem folios
floating point state rather than the TIF_SVE flag. The latter may be
left on during syscalls even if the SVE state is discarded.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"arm64/ptrace fix to use the correct SVE layout based on the saved
floating point state rather than the TIF_SVE flag. The latter may be
left on during syscalls even if the SVE state is discarded"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/ptrace: Use saved floating point state type to determine SVE layout
* A fix for an __{get,put}_kernel_nofault to avoid an uninitialized
value causing spurious failures.
* compat_vdso.so.dbg is now installed to the standard install location.
* A fix to avoid initializing PERF_SAMPLE_BRANCH_*-related events, as
they aren't supported and will just later fail.
* A fix to make AT_VECTOR_SIZE_ARCH correct now that we're providing
AT_MINSIGSTKSZ.
* pgprot_nx() is now implemented, which fixes vmap W^X protection.
* A fix for the vector save/restore code, which at least manifests as
corrupted vector state when a signal is taken.
* A fix for a race condition in instruction patching.
* A fix to avoid leaking the kernel-mode GP to userspace, which is a
kernel pointer leak that can be used to defeat KASLR in various ways.
* A handful of smaller fixes to build warnings, an overzealous printk,
and some missing tracing annotations.
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Merge tag 'riscv-for-linus-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for an __{get,put}_kernel_nofault to avoid an uninitialized
value causing spurious failures
- compat_vdso.so.dbg is now installed to the standard install location
- A fix to avoid initializing PERF_SAMPLE_BRANCH_*-related events, as
they aren't supported and will just later fail
- A fix to make AT_VECTOR_SIZE_ARCH correct now that we're providing
AT_MINSIGSTKSZ
- pgprot_nx() is now implemented, which fixes vmap W^X protection
- A fix for the vector save/restore code, which at least manifests as
corrupted vector state when a signal is taken
- A fix for a race condition in instruction patching
- A fix to avoid leaking the kernel-mode GP to userspace, which is a
kernel pointer leak that can be used to defeat KASLR in various ways
- A handful of smaller fixes to build warnings, an overzealous printk,
and some missing tracing annotations
* tag 'riscv-for-linus-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: process: Fix kernel gp leakage
riscv: Disable preemption when using patch_map()
riscv: Fix warning by declaring arch_cpu_idle() as noinstr
riscv: use KERN_INFO in do_trap
riscv: Fix vector state restore in rt_sigreturn()
riscv: mm: implement pgprot_nx
riscv: compat_vdso: align VDSOAS build log
RISC-V: Update AT_VECTOR_SIZE_ARCH for new AT_MINSIGSTKSZ
riscv: Mark __se_sys_* functions __used
drivers/perf: riscv: Disable PERF_SAMPLE_BRANCH_* while not supported
riscv: compat_vdso: install compat_vdso.so.dbg to /lib/modules/*/vdso/
riscv: hwprobe: do not produce frtace relocation
riscv: Fix spurious errors from __get/put_kernel_nofault
riscv: mm: Fix prototype to avoid discarding const
- Fix missing NULL pointer check when determining guest/host fault
- Mark all functions in asm/atomic_ops.h, asm/atomic.h and asm/preempt.h
as __always_inline to avoid unwanted instrumentation
- Fix removal of a Processor Activity Instrumentation (PAI) sampling
event in PMU device driver
- Align system call table on 8 bytes
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Merge tag 's390-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Fix missing NULL pointer check when determining guest/host fault
- Mark all functions in asm/atomic_ops.h, asm/atomic.h and
asm/preempt.h as __always_inline to avoid unwanted instrumentation
- Fix removal of a Processor Activity Instrumentation (PAI) sampling
event in PMU device driver
- Align system call table on 8 bytes
* tag 's390-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/entry: align system call table on 8 bytes
s390/pai: fix sampling event removal for PMU device driver
s390/preempt: mark all functions __always_inline
s390/atomic: mark all functions __always_inline
s390/mm: fix NULL pointer dereference
Fix a recent Energy Model change that went against a recent scheduler
change made independently (Vincent Guittot).
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Merge tag 'pm-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix a recent Energy Model change that went against a recent scheduler
change made independently (Vincent Guittot)"
* tag 'pm-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: EM: fix wrong utilization estimation in em_cpu_energy()
- Allow the power allocator thermal governor to bind to a thermal zone
without cooling devices and/or without trip points (Nikita Travkin).
- Make the ACPI thermal driver register a tripless thermal zone when
it cannot find any usable trip points instead of returning an error
from acpi_thermal_add() (Stephen Horvath).
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Merge tag 'thermal-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix two power allocator thermal governor issues and an ACPI
thermal driver regression that all were introduced during the 6.8
development cycle.
Specifics:
- Allow the power allocator thermal governor to bind to a thermal
zone without cooling devices and/or without trip points (Nikita
Travkin)
- Make the ACPI thermal driver register a tripless thermal zone when
it cannot find any usable trip points instead of returning an error
from acpi_thermal_add() (Stephen Horvath)"
* tag 'thermal-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: gov_power_allocator: Allow binding without trip points
thermal: gov_power_allocator: Allow binding without cooling devices
ACPI: thermal: Register thermal zones without valid trip points
- make sure GPIO devices are registered with the subsystem before trying
to return them to a caller of gpio_device_find()
- fix two issues with incorrect sanitization of the interrupt labels
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Merge tag 'gpio-fixes-for-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- make sure GPIO devices are registered with the subsystem before
trying to return them to a caller of gpio_device_find()
- fix two issues with incorrect sanitization of the interrupt labels
* tag 'gpio-fixes-for-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: cdev: fix missed label sanitizing in debounce_setup()
gpio: cdev: check for NULL labels when sanitizing them for irqs
gpiolib: Fix triggering "kobject: 'gpiochipX' is not initialized, yet" kobject_get() errors
- Compilation warning fixes from Arnd: one in the sata_sx4 driver due
to an incorrect calculation of the parameters passed to memcpy() and
another one in the sata_mv driver when CONFIG_PCI is not set.
- Drop the owner driver field assignment in the pata_macio driver. That
is not needed as the PCI core code does that already (Krzysztof).
- Remove an unusued field in struct st_ahci_drv_data of the ahci_st
driver (Christophe).
- Add a missing clock probe error check in the sata_gemini driver
(Chen).
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Merge tag 'ata-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Compilation warning fixes from Arnd: one in the sata_sx4 driver due
to an incorrect calculation of the parameters passed to memcpy() and
another one in the sata_mv driver when CONFIG_PCI is not set
- Drop the owner driver field assignment in the pata_macio driver. That
is not needed as the PCI core code does that already (Krzysztof)
- Remove an unusued field in struct st_ahci_drv_data of the ahci_st
driver (Christophe)
- Add a missing clock probe error check in the sata_gemini driver
(Chen)
* tag 'ata-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: sata_gemini: Check clk_enable() result
ata: sata_mv: Fix PCI device ID table declaration compilation warning
ata: ahci_st: Remove an unused field in struct st_ahci_drv_data
ata: pata_macio: drop driver owner assignment
ata: sata_sx4: fix pdc20621_get_from_dimm() on 64-bit
This became a bit bigger collection of patches, but almost all are
about device-specific fixes, and should be safe for 6.9.
- Lots of ASoC Intel SOF-related fixes/updates
- Locking fixes in SoundWire drivers
- ASoC AMD ACP/SOF updates
- ASoC ES8326 codec fixes
- HD-audio codec fixes and quirks
- A regression fix in emu10k1 synth code
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Merge tag 'sound-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This became a bit bigger collection of patches, but almost all are
about device-specific fixes, and should be safe for 6.9:
- Lots of ASoC Intel SOF-related fixes/updates
- Locking fixes in SoundWire drivers
- ASoC AMD ACP/SOF updates
- ASoC ES8326 codec fixes
- HD-audio codec fixes and quirks
- A regression fix in emu10k1 synth code"
* tag 'sound-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (49 commits)
ASoC: SOF: Core: Add remove_late() to sof_init_environment failure path
ASoC: SOF: amd: fix for false dsp interrupts
ASoC: SOF: Intel: lnl: Disable DMIC/SSP offload on remove
ASoC: Intel: avs: boards: Add modules description
ASoC: codecs: ES8326: Removing the control of ADC_SCALE
ASoC: codecs: ES8326: Solve a headphone detection issue after suspend and resume
ASoC: codecs: ES8326: modify clock table
ASoC: codecs: ES8326: Solve error interruption issue
ALSA: line6: Zero-initialize message buffers
ALSA: hda/realtek: cs35l41: Support ASUS ROG G634JYR
ALSA: hda/realtek: Update Panasonic CF-SZ6 quirk to support headset with microphone
ALSA: hda/realtek: Add sound quirks for Lenovo Legion slim 7 16ARHA7 models
Revert "ALSA: emu10k1: fix synthesizer sample playback position and caching"
OSS: dmasound/paula: Mark driver struct with __refdata to prevent section mismatch
ALSA: hda/realtek: Add quirks for ASUS Laptops using CS35L56
ASoC: amd: acp: fix for acp_init function error handling
ASoC: tas2781: mark dvc_tlv with __maybe_unused
ASoC: ops: Fix wraparound for mask in snd_soc_get_volsw
ASoC: rt-sdw*: add __func__ to all error logs
ASoC: rt722-sdca-sdw: fix locking sequence
...
display:
- fix typos in kerneldoc
prime:
- unbreak dma-buf export for virt-gpu
nouveau:
- uvmm: fix remap address calculation
- minor cleanups
panfrost:
- fix power-transition timeouts
xe:
- Stop using system_unbound_wq for preempt fences,
- Fix saving unordered rebinding fences by attaching
them as kernel feces to the vm's resv
- Fix TLB invalidation fences completing out of order
- Move rebind TLB invalidation to the ring ops to reduce
the latency
i915:
- A few DisplayPort related fixes
- eDP PSR fixes
- Remove some VM space restrictions on older platforms
- Disable automatic load CCS load balancing
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Merge tag 'drm-fixes-2024-04-05' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly fixes, mostly xe and i915, amdgpu on a week off, otherwise a
nouveau fix for a crash with new vulkan cts tests, and a couple of
cleanups and misc fixes.
display:
- fix typos in kerneldoc
prime:
- unbreak dma-buf export for virt-gpu
nouveau:
- uvmm: fix remap address calculation
- minor cleanups
panfrost:
- fix power-transition timeouts
xe:
- Stop using system_unbound_wq for preempt fences
- Fix saving unordered rebinding fences by attaching them as kernel
feces to the vm's resv
- Fix TLB invalidation fences completing out of order
- Move rebind TLB invalidation to the ring ops to reduce the latency
i915:
- A few DisplayPort related fixes
- eDP PSR fixes
- Remove some VM space restrictions on older platforms
- Disable automatic load CCS load balancing"
* tag 'drm-fixes-2024-04-05' of https://gitlab.freedesktop.org/drm/kernel: (22 commits)
drm/xe: Use ordered wq for preempt fence waiting
drm/xe: Move vma rebinding to the drm_exec locking loop
drm/xe: Make TLB invalidation fences unordered
drm/xe: Rework rebinding
drm/xe: Use ring ops TLB invalidation for rebinds
drm/i915/mst: Reject FEC+MST on ICL
drm/i915/mst: Limit MST+DSC to TGL+
drm/i915/dp: Fix the computation for compressed_bpp for DISPLAY < 13
drm/i915/gt: Enable only one CCS for compute workload
drm/i915/gt: Do not generate the command streamer for all the CCS
drm/i915/gt: Disable HW load balancing for CCS
drm/i915/gt: Limit the reserved VM space to only the platforms that need it
drm/i915/psr: Fix intel_psr2_sel_fetch_et_alignment usage
drm/i915/psr: Move writing early transport pipe src
drm/i915/psr: Calculate PIPE_SRCSZ_ERLY_TPT value
drm/i915/dp: Remove support for UHBR13.5
drm/i915/dp: Fix DSC state HW readout for SST connectors
drm/display: fix typo
drm/prime: Unbreak virtgpu dma-buf export
nouveau/uvmm: fix addr/range calcs for remap operations
...
Commit 3ee34eabac ("lib/stackdepot: fix first entry having a 0-handle")
changed the meaning of the pool_index field to mean "the pool index plus
1". This made the code accessing this field less self-documenting, as
well as causing debuggers such as drgn to not be able to easily remain
compatible with both old and new kernels, because they typically do that
by testing for presence of the new field. Because stackdepot is a
debugging tool, we should make sure that it is debugger friendly.
Therefore, give the field a different name to improve readability as well
as enabling debugger backwards compatibility.
This is needed in 6.9, which would otherwise become an odd release with
the new semantics and old name so debuggers wouldn't recognize the new
semantics there.
Fixes: 3ee34eabac ("lib/stackdepot: fix first entry having a 0-handle")
Link: https://lkml.kernel.org/r/20240402001500.53533-1-pcc@google.com
Link: https://linux-review.googlesource.com/id/Ib3e70c36c1d230dd0a118dc22649b33e768b9f88
Signed-off-by: Peter Collingbourne <pcc@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Alexander Potapenko <glider@google.com>
Acked-by: Marco Elver <elver@google.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Omar Sandoval <osandov@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
PAT handling won't do the right thing in COW mappings: the first PTE (or,
in fact, all PTEs) can be replaced during write faults to point at anon
folios. Reliably recovering the correct PFN and cachemode using
follow_phys() from PTEs will not work in COW mappings.
Using follow_phys(), we might just get the address+protection of the anon
folio (which is very wrong), or fail on swap/nonswap entries, failing
follow_phys() and triggering a WARN_ON_ONCE() in untrack_pfn() and
track_pfn_copy(), not properly calling free_pfn_range().
In free_pfn_range(), we either wouldn't call memtype_free() or would call
it with the wrong range, possibly leaking memory.
To fix that, let's update follow_phys() to refuse returning anon folios,
and fallback to using the stored PFN inside vma->vm_pgoff for COW mappings
if we run into that.
We will now properly handle untrack_pfn() with COW mappings, where we
don't need the cachemode. We'll have to fail fork()->track_pfn_copy() if
the first page was replaced by an anon folio, though: we'd have to store
the cachemode in the VMA to make this work, likely growing the VMA size.
For now, lets keep it simple and let track_pfn_copy() just fail in that
case: it would have failed in the past with swap/nonswap entries already,
and it would have done the wrong thing with anon folios.
Simple reproducer to trigger the WARN_ON_ONCE() in untrack_pfn():
<--- C reproducer --->
#include <stdio.h>
#include <sys/mman.h>
#include <unistd.h>
#include <liburing.h>
int main(void)
{
struct io_uring_params p = {};
int ring_fd;
size_t size;
char *map;
ring_fd = io_uring_setup(1, &p);
if (ring_fd < 0) {
perror("io_uring_setup");
return 1;
}
size = p.sq_off.array + p.sq_entries * sizeof(unsigned);
/* Map the submission queue ring MAP_PRIVATE */
map = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE,
ring_fd, IORING_OFF_SQ_RING);
if (map == MAP_FAILED) {
perror("mmap");
return 1;
}
/* We have at least one page. Let's COW it. */
*map = 0;
pause();
return 0;
}
<--- C reproducer --->
On a system with 16 GiB RAM and swap configured:
# ./iouring &
# memhog 16G
# killall iouring
[ 301.552930] ------------[ cut here ]------------
[ 301.553285] WARNING: CPU: 7 PID: 1402 at arch/x86/mm/pat/memtype.c:1060 untrack_pfn+0xf4/0x100
[ 301.553989] Modules linked in: binfmt_misc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_g
[ 301.558232] CPU: 7 PID: 1402 Comm: iouring Not tainted 6.7.5-100.fc38.x86_64 #1
[ 301.558772] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebu4
[ 301.559569] RIP: 0010:untrack_pfn+0xf4/0x100
[ 301.559893] Code: 75 c4 eb cf 48 8b 43 10 8b a8 e8 00 00 00 3b 6b 28 74 b8 48 8b 7b 30 e8 ea 1a f7 000
[ 301.561189] RSP: 0018:ffffba2c0377fab8 EFLAGS: 00010282
[ 301.561590] RAX: 00000000ffffffea RBX: ffff9208c8ce9cc0 RCX: 000000010455e047
[ 301.562105] RDX: 07fffffff0eb1e0a RSI: 0000000000000000 RDI: ffff9208c391d200
[ 301.562628] RBP: 0000000000000000 R08: ffffba2c0377fab8 R09: 0000000000000000
[ 301.563145] R10: ffff9208d2292d50 R11: 0000000000000002 R12: 00007fea890e0000
[ 301.563669] R13: 0000000000000000 R14: ffffba2c0377fc08 R15: 0000000000000000
[ 301.564186] FS: 0000000000000000(0000) GS:ffff920c2fbc0000(0000) knlGS:0000000000000000
[ 301.564773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 301.565197] CR2: 00007fea88ee8a20 CR3: 00000001033a8000 CR4: 0000000000750ef0
[ 301.565725] PKRU: 55555554
[ 301.565944] Call Trace:
[ 301.566148] <TASK>
[ 301.566325] ? untrack_pfn+0xf4/0x100
[ 301.566618] ? __warn+0x81/0x130
[ 301.566876] ? untrack_pfn+0xf4/0x100
[ 301.567163] ? report_bug+0x171/0x1a0
[ 301.567466] ? handle_bug+0x3c/0x80
[ 301.567743] ? exc_invalid_op+0x17/0x70
[ 301.568038] ? asm_exc_invalid_op+0x1a/0x20
[ 301.568363] ? untrack_pfn+0xf4/0x100
[ 301.568660] ? untrack_pfn+0x65/0x100
[ 301.568947] unmap_single_vma+0xa6/0xe0
[ 301.569247] unmap_vmas+0xb5/0x190
[ 301.569532] exit_mmap+0xec/0x340
[ 301.569801] __mmput+0x3e/0x130
[ 301.570051] do_exit+0x305/0xaf0
...
Link: https://lkml.kernel.org/r/20240403212131.929421-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Wupeng Ma <mawupeng1@huawei.com>
Closes: https://lkml.kernel.org/r/20240227122814.3781907-1-mawupeng1@huawei.com
Fixes: b1a86e15dc ("x86, pat: remove the dependency on 'vm_pgoff' in track/untrack pfn vma routines")
Fixes: 5899329b19 ("x86: PAT: implement track/untrack of pfnmap regions for x86 - v3")
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Update all remaining vmware.com email addresses to actual broadcom.com.
Add corresponding .mailmap entries for maintainers who contributed in the
past as the vmware.com address will start bouncing soon.
Maintainership update. Jeff Sipek has left VMware, Nick Shi will be
maintaining VMware PTP.
Link: https://lkml.kernel.org/r/20240402232334.33167-1-alexey.makhalov@broadcom.com
Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Acked-by: Ajay Kaher <ajay.kaher@broadcom.com>
Acked-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Nick Shi <nick.shi@broadcom.com>
Acked-by: Bryan Tan <bryan-bt.tan@broadcom.com>
Acked-by: Vishnu Dasa <vishnu.dasa@broadcom.com>
Acked-by: Vishal Bhakta <vishal.bhakta@broadcom.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
A lockdep reports a possible deadlock in the find_vmap_area_exceed_addr_lock()
function:
============================================
WARNING: possible recursive locking detected
6.9.0-rc1-00060-ged3ccc57b108-dirty #6140 Not tainted
--------------------------------------------
drgn/455 is trying to acquire lock:
ffff0000c00131d0 (&vn->busy.lock/1){+.+.}-{2:2}, at: find_vmap_area_exceed_addr_lock+0x64/0x124
but task is already holding lock:
ffff0000c0011878 (&vn->busy.lock/1){+.+.}-{2:2}, at: find_vmap_area_exceed_addr_lock+0x64/0x124
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&vn->busy.lock/1);
lock(&vn->busy.lock/1);
*** DEADLOCK ***
indeed it can happen if the find_vmap_area_exceed_addr_lock() gets called
concurrently because it tries to acquire two nodes locks. It was done to
prevent removing a lowest VA found on a previous step.
To address this a lowest VA is found first without holding a node lock
where it resides. As a last step we check if a VA still there because it
can go away, if removed, proceed with next lowest.
[akpm@linux-foundation.org: fix comment typos, per Baoquan]
Link: https://lkml.kernel.org/r/20240328140330.4747-1-urezki@gmail.com
Fixes: 53becf32ae ("mm: vmalloc: support multiple nodes in vread_iter")
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Tested-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Omar Sandoval <osandov@fb.com>
Reported-by: Jens Axboe <axboe@kernel.dk>
Cc: Baoquan He <bhe@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
If a member of a cpio archive for an initrd or initrams is larger than
2Gb, we'll eventually fail to write to that file when we get to that
limit, unless O_LARGEFILE is set.
The problem can be seen with this recipe, assuming that BLK_DEV_RAM
is not configured:
cd /tmp
dd if=/dev/zero of=BIGFILE bs=1048576 count=2200
echo BIGFILE | cpio -o -H newc -R root:root > initrd.img
kexec -l /boot/vmlinuz-$(uname -r) --initrd=initrd.img --reuse-cmdline
kexec -e
The console will show 'Initramfs unpacking failed: write error'. With
the patch, the error is gone.
Link: https://lkml.kernel.org/r/20240323152934.3307391-1-jsperbeck@google.com
Signed-off-by: John Sperbeck <jsperbeck@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
