Use int instead of u32 for the 'rc' variable in xgene_ahci_softreset()
to store negative error codes returned by ahci_do_softreset().
In xgene_ahci_pmp_softreset(), remove the redundant 'rc' variable and
directly return the result of the ahci_do_softreset() call instead.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Commit 4edf1505b7 ("ata: ahci: Disallow LPM policy control for
external ports") introduced disabling link power management (LPM) for
ports that are advertized as external/hotplug capable. This is necessary
to force the maximum power policy (ATA_LPM_MAX_POWER) onto the port link
to ensure that the hotplug capability of the port is functional.
However, doing so blindly for all ports can prevent systems from going
into a low power state, even if the external/hotplug ports on the system
are unused. E.g., a laptop may see the internal SATA slot of a docking
station as an external hotplug capable port, and in such case, the user
may prefer to not use the port and to favor instead enabling LPM
to allow the laptop to transition to low power states.
Since there is no easy method to automatically detect such choice,
introduce the new mask_port_ext module parameter to allow a user to
ignore the external/hotplug capability of a port. The format for this
parameter value is identical to the format used for the mask_port_map
parameter: a mask can be defined for all AHCI adapters of a system or
for a particular adapters identified with their PCI IDs (bus:dev.func
format).
The function ahci_get_port_map_mask() is renamed to ahci_get_port_mask()
and modified to return a mask, either for the port map mask of an
adapter (to ignore ports) or for the external/hotplug capability of an
adapter. Differentiation between map_port_mask and map_port_ext_mask is
done by passing the parameter string to ahci_get_port_mask() as a second
argument.
To be consistent with this change, the function
ahci_apply_port_map_mask() is renamed ahci_port_mask() and changed to
return a mask value.
The mask for the external/hotplug capability for an adapter, if defined
by the map_port_ext_mask parameter, is stored in the new field
mask_port_ext of struct ahci_host_priv. ahci_mark_external_port() is
modified to not set the ATA_PFLAG_EXTERNAL flag for a port if
hpriv->mask_port_ext includes the number of the port. In such case,
an information message is printed to notify that the external/hotplug
capability is being ignored.
Reported-by: Dieter Mummenschanz <dmummenschanz@web.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220465
Fixes: 4edf1505b7 ("ata: ahci: Disallow LPM policy control for external ports")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Tested-by: Dieter Mummenschanz <dmummenschanz@web.de>
Delete extra checks for the ATA_DFLAG_CDL_ENABLED flag that prevent
SET FEATURES command from being issued to a drive when NCQ commands
are active.
ata_mselect_control_ata_feature() sets / clears the ATA_DFLAG_CDL_ENABLED
flag during the translation of MODE SELECT to SET FEATURES. If SET FEATURES
gets deferred due to outstanding NCQ commands, the original MODE SELECT
command will be re-queued. When the re-queued MODE SELECT goes through
the ata_mselect_control_ata_feature() translation again, SET FEATURES
will not be issued because ATA_DFLAG_CDL_ENABLED has been already set or
cleared by the initial translation of MODE SELECT.
The ATA_DFLAG_CDL_ENABLED checks in ata_mselect_control_ata_feature()
are safe to remove because scsi_cdl_enable() implements a similar logic
that avoids enabling CDL if it has been enabled already.
Fixes: 17e897a456 ("ata: libata-scsi: Improve CDL control")
Cc: stable@vger.kernel.org
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Commit 4371fe1ba4 ("ata: libata-eh: Avoid unnecessary resets when
revalidating devices") replaced the call to ata_phys_link_offline() in
ata_eh_revalidate_and_attach() with the new function
ata_eh_link_established() which relaxes the checks on a device link
state to account for low power mode transitions. However, this change
assumed that the device port has a valid scr_read method to obtain the
SStatus register for the port. This is not always the case, especially
with older IDE/PATA adapters (e.g. PATA/IDE devices emulated with QEMU).
For such adapter, ata_eh_link_established() will always return false,
causing ata_eh_revalidate_and_attach() to go into its error path and
ultimately to the device being disabled.
Avoid this by restoring the previous behavior, which is to assume that
the link is online if reading the port SStatus register fails.
While at it, also fix the spelling of SStatus in the comment describing
the function ata_eh_link_established().
Reported-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Fixes: 4371fe1ba4 ("ata: libata-eh: Avoid unnecessary resets when revalidating devices")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
- Align FSDAX enablement among multiple devices;
- Fix EROFS_FS_ZIP_ACCEL build dependency again to prevent forcing
CRYPTO{,_DEFLATE}=y even if EROFS=m.
- Fix atomic context detection to properly launch kworkers on demand;
- Fix block count statistics for 48-bit addressing support.
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Merge tag 'erofs-for-6.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
- Align FSDAX enablement among multiple devices
- Fix EROFS_FS_ZIP_ACCEL build dependency again to prevent forcing
CRYPTO{,_DEFLATE}=y even if EROFS=m
- Fix atomic context detection to properly launch kworkers on demand
- Fix block count statistics for 48-bit addressing support
* tag 'erofs-for-6.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix block count report when 48-bit layout is on
erofs: fix atomic context detection when !CONFIG_DEBUG_LOCK_ALLOC
erofs: Do not select tristate symbols from bool symbols
erofs: Fallback to normal access if DAX is not supported on extra device
Fix a regression introduced by commit b41642c877 ("rcu: Fix
rcu_read_unlock() deadloop due to IRQ work") which results in boot hang
as reported by kernel test bot at [1]. This issue happens because RCU
re-initializes the deferred QS IRQ work everytime it is queued. With
commit b41642c877, the IRQ work re-initialization can happen while it
is already queued. This results in IRQ work being requeued to itself.
When IRQ work finally fires, as it is requeued to itself, it is
repeatedly executed and results in hang. Fix this with initializing the
IRQ work only once before the CPU boots.
[1] https://lore.kernel.org/rcu/202508071303.c1134cce-lkp@intel.com/
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Merge tag 'rcu.fixes.6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU fix from Neeraj Upadhyay:
"Fix a regression introduced by commit b41642c877 ("rcu: Fix
rcu_read_unlock() deadloop due to IRQ work") which results in boot
hang as reported by kernel test bot at [1].
This issue happens because RCU re-initializes the deferred QS IRQ work
everytime it is queued. With commit b41642c877, the IRQ work
re-initialization can happen while it is already queued. This results
in IRQ work being requeued to itself. When IRQ work finally fires, as
it is requeued to itself, it is repeatedly executed and results in
hang.
Fix this with initializing the IRQ work only once before the CPU
boots"
Link: https://lore.kernel.org/rcu/202508071303.c1134cce-lkp@intel.com/ [1]
* tag 'rcu.fixes.6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux:
rcu: Fix racy re-initialization of irq_work causing hangs
or aren't considered necessary for -stable kernels. 10 of these fixes are
for MM.
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Merge tag 'mm-hotfixes-stable-2025-08-12-20-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"12 hotfixes. 5 are cc:stable and the remainder address post-6.16
issues or aren't considered necessary for -stable kernels.
10 of these fixes are for MM"
* tag 'mm-hotfixes-stable-2025-08-12-20-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
proc: proc_maps_open allow proc_mem_open to return NULL
mm/mremap: avoid expensive folio lookup on mremap folio pte batch
userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry
mm: pass page directly instead of using folio_page
selftests/proc: fix string literal warning in proc-maps-race.c
fs/proc/task_mmu: hold PTL in pagemap_hugetlb_range and gather_hugetlb_stats
mm/smaps: fix race between smaps_hugetlb_range and migration
mm: fix the race between collapse and PT_RECLAIM under per-vma lock
mm/kmemleak: avoid soft lockup in __kmemleak_do_cleanup()
MAINTAINERS: add Masami as a reviewer of hung task detector
mm/kmemleak: avoid deadlock by moving pr_warn() outside kmemleak_lock
kasan/test: fix protection against compiler elision
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull habanalabs fix from Al Viro:
"Yet another use-after-free fix due to dma_buf_fd() misuse"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
habanalabs: fix UAF in export_dmabuf()
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Merge tag 'for-6.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix bug in qgroups reporting incorrect usage for higher level qgroups
- in zoned mode, do not select metadata group as finish target
- convert xarray lock to RCU when trying to release extent buffer to
avoid a deadlock
- do not allow relocation on partially dropped subvolumes, which is
normally not possible but has been reported on old filesystems
- in tree-log, report errors on missing block group when unaccounting
log tree extent buffers
- with large folios, fix range length when processing ordered extents
* tag 'for-6.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix iteration bug in __qgroup_excl_accounting()
btrfs: zoned: do not select metadata BG as finish target
btrfs: do not allow relocation of partially dropped subvolumes
btrfs: error on missing block group when unaccounting log tree extent buffers
btrfs: fix wrong length parameter for btrfs_cleanup_ordered_extents()
btrfs: make btrfs_cleanup_ordered_extents() support large folios
btrfs: fix subpage deadlock in try_release_subpage_extent_buffer()
SNP guest which makes sure all cache lines belonging to a 4K page are
evicted after latter has been converted to a guest-private page.
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Merge tag 'snp_cache_coherency' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
- Add a mitigation for a cache coherency vulnerability when running an
SNP guest which makes sure all cache lines belonging to a 4K page are
evicted after latter has been converted to a guest-private page
[ SNP: Secure Nested Paging - not to be confused with Single Nucleotide
Polymorphism, which is the more common use of that TLA. I am on a
mission to write out the more obscure TLAs in order to keep track of
them.
Because while math tells us that there are only about 17k different
combinations of three-letter acronyms using English letters (26^3), I
am convinced that somehow Intel, AMD and ARM have together figured out
new mathematics, and have at least a million different TLAs that they
use. - Linus ]
* tag 'snp_cache_coherency' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Evict cache lines during SNP memory validation
The commit 65c6604725 ("proc: fix the issue of proc_mem_open returning
NULL") caused proc_maps_open() to return -ESRCH when proc_mem_open()
returns NULL. This breaks legitimate /proc/<pid>/maps access for kernel
threads since kernel threads have NULL mm_struct.
The regression causes perf to fail and exit when profiling a kernel
thread:
# perf record -v -g -p $(pgrep kswapd0)
...
couldn't open /proc/65/task/65/maps
This patch partially reverts the commit to fix it.
Link: https://lkml.kernel.org/r/20250807165455.73656-1-wjl.linux@gmail.com
Fixes: 65c6604725 ("proc: fix the issue of proc_mem_open returning NULL")
Signed-off-by: Jialin Wang <wjl.linux@gmail.com>
Cc: Penglei Jiang <superman.xpt@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
It was discovered in the attached report that commit f822a9a81a ("mm:
optimize mremap() by PTE batching") introduced a significant performance
regression on a number of metrics on x86-64, most notably
stress-ng.bigheap.realloc_calls_per_sec - indicating a 37.3% regression in
number of mremap() calls per second.
I was able to reproduce this locally on an intel x86-64 raptor lake
system, noting an average of 143,857 realloc calls/sec (with a stddev of
4,531 or 3.1%) prior to this patch being applied, and 81,503 afterwards
(stddev of 2,131 or 2.6%) - a 43.3% regression.
During testing I was able to determine that there was no meaningful
difference in efforts to optimise the folio_pte_batch() operation, nor
checking folio_test_large().
This is within expectation, as a regression this large is likely to
indicate we are accessing memory that is not yet in a cache line (and
perhaps may even cause a main memory fetch).
The expectation by those discussing this from the start was that
vm_normal_folio() (invoked by mremap_folio_pte_batch()) would likely be
the culprit due to having to retrieve memory from the vmemmap (which
mremap() page table moves does not otherwise do, meaning this is
inevitably cold memory).
I was able to definitively determine that this theory is indeed correct
and the cause of the issue.
The solution is to restore part of an approach previously discarded on
review, that is to invoke pte_batch_hint() which explicitly determines,
through reference to the PTE alone (thus no vmemmap lookup), what the PTE
batch size may be.
On platforms other than arm64 this is currently hardcoded to return 1, so
this naturally resolves the issue for x86-64, and for arm64 introduces
little to no overhead as the pte cache line will be hot.
With this patch applied, we move from 81,503 realloc calls/sec to 138,701
(stddev of 496.1 or 0.4%), which is a -3.6% regression, however accounting
for the variance in the original result, this is broadly restoring
performance to its prior state.
Link: https://lkml.kernel.org/r/20250807185819.199865-1-lorenzo.stoakes@oracle.com
Fixes: f822a9a81a ("mm: optimize mremap() by PTE batching")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202508071609.4e743d7c-lkp@intel.com
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Pedro Falcato <pfalcato@suse.de>
Reviewed-by: Barry Song <baohua@kernel.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In commit_anon_folio_batch(), we iterate over all pages pointed to by the
PTE batch. Therefore we need to know the first page of the batch;
currently we derive that via folio_page(folio, 0), but, that takes us to
the first (head) page of the folio instead - our PTE batch may lie in the
middle of the folio, leading to incorrectness.
Bite the bullet and throw away the micro-optimization of reusing the folio
in favour of code simplicity. Derive the page and the folio in
change_pte_range, and pass the page too to commit_anon_folio_batch to fix
the aforementioned issue.
Link: https://lkml.kernel.org/r/20250806145611.3962-1-dev.jain@arm.com
Fixes: cac1db8c3a ("mm: optimize mprotect() by PTE batching")
Reported-by: syzbot+57bcc752f0df8bb1365c@syzkaller.appspotmail.com
Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Debugged-by: David Hildenbrand <david@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Lance Yang <ioworker0@gmail.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Cc: Yang Shi <yang@os.amperecomputing.com>
Cc: Yicong Yang <yangyicong@hisilicon.com>
Cc: Zhenhua Huang <quic_zhenhuah@quicinc.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This change resolves non literal string format warning invoked for
proc-maps-race.c while compiling.
proc-maps-race.c:205:17: warning: format not a string literal and no format arguments [-Wformat-security]
205 | printf(text);
| ^~~~~~
proc-maps-race.c:209:17: warning: format not a string literal and no format arguments [-Wformat-security]
209 | printf(text);
| ^~~~~~
proc-maps-race.c: In function `print_last_lines':
proc-maps-race.c:224:9: warning: format not a string literal and no format arguments [-Wformat-security]
224 | printf(start);
| ^~~~~~
Add string format specifier %s for the printf calls in both
print_first_lines() and print_last_lines() thus resolving the warnings.
The test executes fine after this change thus causing no effect to the
functional behavior of the test.
Link: https://lkml.kernel.org/r/20250804225633.841777-1-hsukrut3@gmail.com
Fixes: aadc099c48 ("selftests/proc: add verbose mode for /proc/pid/maps tearing tests")
Signed-off-by: Sukrut Heroorkar <hsukrut3@gmail.com>
Acked-by: Suren Baghdasaryan <surenb@google.com>
Cc: David Hunter <david.hunter.linux@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
- A correctness fix for delegated timestamps
- Address an NFSD shutdown hang when LOCALIO is in use
- Prevent a remotely exploitable crasher when TLS is in use
These arrived too late to be included in the initial nfsd-6.17
pull request.
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Merge tag 'nfsd-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- A correctness fix for delegated timestamps
- Address an NFSD shutdown hang when LOCALIO is in use
- Prevent a remotely exploitable crasher when TLS is in use
* tag 'nfsd-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
sunrpc: fix handling of server side tls alerts
nfsd: avoid ref leak in nfsd_open_local_fh()
nfsd: don't set the ctime on delegated atime updates
RCU re-initializes the deferred QS irq work everytime before attempting
to queue it. However there are situations where the irq work is
attempted to be queued even though it is already queued. In that case
re-initializing messes-up with the irq work queue that is about to be
handled.
The chances for that to happen are higher when the architecture doesn't
support self-IPIs and irq work are then all lazy, such as with the
following sequence:
1) rcu_read_unlock() is called when IRQs are disabled and there is a
grace period involving blocked tasks on the node. The irq work
is then initialized and queued.
2) The related tasks are unblocked and the CPU quiescent state
is reported. rdp->defer_qs_iw_pending is reset to DEFER_QS_IDLE,
allowing the irq work to be requeued in the future (note the previous
one hasn't fired yet).
3) A new grace period starts and the node has blocked tasks.
4) rcu_read_unlock() is called when IRQs are disabled again. The irq work
is re-initialized (but it's queued! and its node is cleared) and
requeued. Which means it's requeued to itself.
5) The irq work finally fires with the tick. But since it was requeued
to itself, it loops and hangs.
Fix this with initializing the irq work only once before the CPU boots.
Fixes: b41642c877 ("rcu: Fix rcu_read_unlock() deadloop due to IRQ work")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202508071303.c1134cce-lkp@intel.com
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>
Since EROFS handles decompression in non-atomic contexts due to
uncontrollable decompression latencies and vmap() usage, it tries
to detect atomic contexts and only kicks off a kworker on demand
in order to reduce unnecessary scheduling overhead.
However, the current approach is insufficient and can lead to
sleeping function calls in invalid contexts, causing kernel
warnings and potential system instability. See the stacktrace [1]
and previous discussion [2].
The current implementation only checks rcu_read_lock_any_held(),
which behaves inconsistently across different kernel configurations:
- When CONFIG_DEBUG_LOCK_ALLOC is enabled: correctly detects
RCU critical sections by checking rcu_lock_map
- When CONFIG_DEBUG_LOCK_ALLOC is disabled: compiles to
"!preemptible()", which only checks preempt_count and misses
RCU critical sections
This patch introduces z_erofs_in_atomic() to provide comprehensive
atomic context detection:
1. Check RCU preemption depth when CONFIG_PREEMPTION is enabled,
as RCU critical sections may not affect preempt_count but still
require atomic handling
2. Always use async processing when CONFIG_PREEMPT_COUNT is disabled,
as preemption state cannot be reliably determined
3. Fall back to standard preemptible() check for remaining cases
The function replaces the previous complex condition check and ensures
that z_erofs always uses (kthread_)work in atomic contexts to minimize
scheduling overhead and prevent sleeping in invalid contexts.
[1] Problem stacktrace
[ 61.266692] BUG: sleeping function called from invalid context at kernel/locking/rtmutex_api.c:510
[ 61.266702] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 107, name: irq/54-ufshcd
[ 61.266704] preempt_count: 0, expected: 0
[ 61.266705] RCU nest depth: 2, expected: 0
[ 61.266710] CPU: 0 UID: 0 PID: 107 Comm: irq/54-ufshcd Tainted: G W O 6.12.17 #1
[ 61.266714] Tainted: [W]=WARN, [O]=OOT_MODULE
[ 61.266715] Hardware name: schumacher (DT)
[ 61.266717] Call trace:
[ 61.266718] dump_backtrace+0x9c/0x100
[ 61.266727] show_stack+0x20/0x38
[ 61.266728] dump_stack_lvl+0x78/0x90
[ 61.266734] dump_stack+0x18/0x28
[ 61.266736] __might_resched+0x11c/0x180
[ 61.266743] __might_sleep+0x64/0xc8
[ 61.266745] mutex_lock+0x2c/0xc0
[ 61.266748] z_erofs_decompress_queue+0xe8/0x978
[ 61.266753] z_erofs_decompress_kickoff+0xa8/0x190
[ 61.266756] z_erofs_endio+0x168/0x288
[ 61.266758] bio_endio+0x160/0x218
[ 61.266762] blk_update_request+0x244/0x458
[ 61.266766] scsi_end_request+0x38/0x278
[ 61.266770] scsi_io_completion+0x4c/0x600
[ 61.266772] scsi_finish_command+0xc8/0xe8
[ 61.266775] scsi_complete+0x88/0x148
[ 61.266777] blk_mq_complete_request+0x3c/0x58
[ 61.266780] scsi_done_internal+0xcc/0x158
[ 61.266782] scsi_done+0x1c/0x30
[ 61.266783] ufshcd_compl_one_cqe+0x12c/0x438
[ 61.266786] __ufshcd_transfer_req_compl+0x2c/0x78
[ 61.266788] ufshcd_poll+0xf4/0x210
[ 61.266789] ufshcd_transfer_req_compl+0x50/0x88
[ 61.266791] ufshcd_intr+0x21c/0x7c8
[ 61.266792] irq_forced_thread_fn+0x44/0xd8
[ 61.266796] irq_thread+0x1a4/0x358
[ 61.266799] kthread+0x12c/0x138
[ 61.266802] ret_from_fork+0x10/0x20
[2] https://lore.kernel.org/r/58b661d0-0ebb-4b45-a10d-c5927fb791cd@paulmck-laptop
Signed-off-by: Junli Liu <liujunli@lixiang.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250805011957.911186-1-liujunli@lixiang.com
[ Gao Xiang: Use the original trace in v1. ]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
The EROFS filesystem has many configurable options, controlled through
boolean Kconfig symbols. When enabled, these options may need to enable
additional library functionality elsewhere. Currently this is done by
selecting the symbol for the additional functionality. However, if
EROFS_FS itself is modular, and the target symbol is a tristate symbol,
the additional functionality is always forced built-in.
Selecting tristate symbols from a tristate symbol does keep modular
transitivity. Hence fix this by moving selects of tristate symbols to
the main EROFS_FS symbol.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/da1b899e511145dd43fd2d398f64b2e03c6a39e7.1753879351.git.geert+renesas@glider.be
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
If using multiple devices, we should check if the extra device support
DAX instead of checking the primary device when deciding if to use DAX
to access a file.
If an extra device does not support DAX we should fallback to normal
access otherwise the data on that device will be inaccessible.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Friendy Su <friendy.su@sony.com>
Reviewed-by: Jacky Cao <jacky.cao@sony.com>
Reviewed-by: Daniel Palmer <daniel.palmer@sony.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Link: https://lore.kernel.org/r/20250804082030.3667257-2-Yuezhang.Mo@sony.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Probe and display L3 Cache topology
Add ability to average an added counter
(useful for pre-integrated "counters", such as Watts)
Break the limit of 64 built-in counters.
Assorted bug fixes and minor feature tweaks
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Merge tag 'turbostat-2025.09.09' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
"tools/power turbostat: version 2025.09.09
- Probe and display L3 Cache topology
- Add ability to average an added counter (useful for pre-integrated
"counters", such as Watts)
- Break the limit of 64 built-in counters
- Assorted bug fixes and minor feature tweaks"
* tag 'turbostat-2025.09.09' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: version 2025.09.09
tools/power turbostat: Handle non-root legacy-uncore sysfs permissions
tools/power turbostat: standardize PER_THREAD_PARAMS
tools/power turbostat: Fix DMR support
tools/power turbostat: add format "average" for external attributes
tools/power turbostat: delete GET_PKG()
tools/power turbostat: probe and display L3 cache topology
tools/power turbostat: Support more than 64 built-in-counters
tools/power turbostat.8: Document Totl%C0, Any%C0, GFX%C0, CPUGFX% columns
tools/power turbostat: Fix bogus SysWatt for forked program
tools/power turbostat: Handle cap_get_proc() ENOSYS
tools/power turbostat: Fix build with musl
tools/power turbostat: verify arguments to params --show and --hide
tools/power turbostat: regression fix: --show C1E%
- Remove yet another compile-test case for a driver which needs an
additional dependency
- Fix a lock inversion scenario in the IRQ unit test suite
- Remove an impossible flag situation in gic-v5
- Do not iounmap resources in gic-v5 which are managed by devm
- Make sure stale, left-over interrupts in mvebu-gicp are cleared on
driver init
- Fix a reference counting mishap in msi-lib
- Fix a dereference-before-null-ptr-check case in the riscv-imsic
irqchip driver
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Merge tag 'irq_urgent_for_v6.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix a wrong ioremap size in mvebu-gicp
- Remove yet another compile-test case for a driver which needs an
additional dependency
- Fix a lock inversion scenario in the IRQ unit test suite
- Remove an impossible flag situation in gic-v5
- Do not iounmap resources in gic-v5 which are managed by devm
- Make sure stale, left-over interrupts in mvebu-gicp are cleared on
driver init
- Fix a reference counting mishap in msi-lib
- Fix a dereference-before-null-ptr-check case in the riscv-imsic
irqchip driver
* tag 'irq_urgent_for_v6.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mvebu-gicp: Use resource_size() for ioremap()
irqchip: Build IMX_MU_MSI only on ARM
genirq/test: Resolve irq lock inversion warnings
irqchip/gic-v5: Remove IRQD_RESEND_WHEN_IN_PROGRESS for ITS IRQs
irqchip/gic-v5: iwb: Fix iounmap probe failure path
irqchip/mvebu-gicp: Clear pending interrupts on init
irqchip/msi-lib: Fix fwnode refcount in msi_lib_irq_domain_select()
irqchip/riscv-imsic: Don't dereference before NULL pointer check
- Add new Intel CPU models *and* a family: 0x12. Finally. Yippie! :-)
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Merge tag 'x86_urgent_for_v6.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix an interrupt vector setup race which leads to a non-functioning
device
- Add new Intel CPU models *and* a family: 0x12. Finally. Yippie! :-)
* tag 'x86_urgent_for_v6.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Plug vector setup race
x86/cpu: Add new Intel CPU model numbers for Wildcatlake and Novalake
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Merge tag 'locking_urgent_for_v6.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Borislav Petkov:
- Prevent a futex hash leak due to different mm lifetimes
* tag 'locking_urgent_for_v6.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Move futex cleanup to __mmdrop()
Probe and display L3 Cache topology
Add ability to average an added counter
(useful for pre-integrated "counters", such as Watts)
Break the limit of 64 built-in counters.
Assorted bug fixes and minor feature tweaks
Signed-off-by: Len Brown <len.brown@intel.com>
/sys/devices/system/cpu/intel_uncore_frequency/package_X_die_Y/
may be readable by all, but
/sys/devices/system/cpu/intel_uncore_frequency/package_X_die_Y/current_freq_khz
may be readable only by root.
Non-root turbostat users see complaints in this scenario.
Fail probe of the interface if we can't read current_freq_khz.
Reported-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Original-patch-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Together with the RAPL MSRs, there are more MSRs gone on DMR, including
PLR (Perf Limit Reasons), and IRTL (Package cstate Interrupt Response
Time Limit) MSRs. The configurable TDP info should also be retrieved
from TPMI based Intel Speed Select Technology feature.
Remove the access of these MSRs for DMR. Improve the DMR platform
feature table to make it more readable at the same time.
Fixes: 83075bd59d ("tools/power turbostat: Add initial support for DMR")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
External atributes with format "raw" are not printed in summary lines
for nodes/packages (or with option -S). The new format "average"
behaves like "raw" but also adds the summary data
Signed-off-by: Michael Hebenstreit <michael.hebenstreit@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
We have out-grown the ability to use a 64-bit memory location
to inventory every possible built-in counter.
Leverage the the CPU_SET(3) macros to break this barrier.
Also, break the Joules & Watts counters into two,
since we can no longer 'or' them together...
Signed-off-by: Len Brown <len.brown@intel.com>
Here is a single revert of one of the previous patches that went in the
last tty/serial merge that is breaking userspace on some platforms
(specifically powerpc, probably a few others.) It accidentially changed
the ioctl values of some tty ioctls, which breaks xorg.
The revert has been in linux-next all this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY fix from Greg KH:
"Here is a single revert of one of the previous patches that went in
the last tty/serial merge that is breaking userspace on some platforms
(specifically powerpc, probably a few others.)
It accidentially changed the ioctl values of some tty ioctls, which
breaks xorg.
The revert has been in linux-next all this week with no reported
issues"
* tag 'tty-6.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "tty: vt: use _IO() to define ioctl numbers"
- Expose the OVMF firmware debug log via sysfs
- Lower the default log level for the EFI stub to avoid corrupting any
splash screens with unimportant diagnostic output
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Merge tag 'efi-next-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- Expose the OVMF firmware debug log via sysfs
- Lower the default log level for the EFI stub to avoid corrupting any
splash screens with unimportant diagnostic output
* tag 'efi-next-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: add API doc entry for ovmf_debug_log
efistub: Lower default log level
efi: add ovmf debug log driver
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Merge tag 'block-6.17-20250808' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
- MD pull request via Yu:
- mddev null-ptr-dereference fix, by Erkun
- md-cluster fail to remove the faulty disk regression fix, by
Heming
- minor cleanup, by Li Nan and Jinchao
- mdadm lifetime regression fix reported by syzkaller, by Yu Kuai
- MD pull request via Christoph
- add support for getting the FDP featuee in fabrics passthru path
(Nitesh Shetty)
- add capability to connect to an administrative controller
(Kamaljit Singh)
- fix a leak on sgl setup error (Keith Busch)
- initialize discovery subsys after debugfs is initialized
(Mohamed Khalfella)
- fix various comment typos (Bjorn Helgaas)
- remove unneeded semicolons (Jiapeng Chong)
- nvmet debugfs ordering issue fix
- Fix UAF in the tag_set in zloop
- Ensure sbitmap shallow depth covers entire set
- Reduce lock roundtrips in io context lookup
- Move scheduler tags alloc/free out of elevator and freeze lock, to
fix some lockdep found issues
- Improve robustness of queue limits checking
- Fix a regression with IO priorities, if no io context exists
* tag 'block-6.17-20250808' of git://git.kernel.dk/linux: (26 commits)
lib/sbitmap: make sbitmap_get_shallow() internal
lib/sbitmap: convert shallow_depth from one word to the whole sbitmap
nvmet: exit debugfs after discovery subsystem exits
block, bfq: Reorder struct bfq_iocq_bfqq_data
md: make rdev_addable usable for rcu mode
md/raid1: remove struct pool_info and related code
md/raid1: change r1conf->r1bio_pool to a pointer type
block: ensure discard_granularity is zero when discard is not supported
zloop: fix KASAN use-after-free of tag set
block: Fix default IO priority if there is no IO context
nvme: fix various comment typos
nvme-auth: remove unneeded semicolon
nvme-pci: fix leak on sgl setup error
nvmet: initialize discovery subsys after debugfs is initialized
nvme: add capability to connect to an administrative controller
nvmet: add support for FDP in fabrics passthru path
md: rename recovery_cp to resync_offset
md/md-cluster: handle REMOVE message earlier
md: fix create on open mddev lifetime regression
block: fix potential deadlock while running nr_hw_queue update
...
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Merge tag 'io_uring-6.17-20250808' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Allow vectorized payloads for send/send-zc - like sendmsg, but
without the hassle of a msghdr.
- Fix for an integer wrap that should go to stable, spotted by syzbot.
Nothing alarming here, as you need to be root to hit this.
Nevertheless, it should get fixed.
FWIW, kudos to the syzbot crew for having much nicer reproducers now,
and with nicely annotated source code as well. This is particularly
useful as syzbot uses the raw interface rather than liburing,
historically it's been difficult to turn a syzbot reproducer into a
meaningful test case. With the recent changes, not true anymore!
* tag 'io_uring-6.17-20250808' of git://git.kernel.dk/linux:
io_uring/memmap: cast nr_pages to size_t before shifting
io_uring/net: Allow to do vectorized send
There's one fix here for an issue with the CS42L43 where we were
allocating a single property for client devices as just that property
rather than a terminated array of properties like we are supposed to.
We also have an update to the MAINTAINERS file for some Renesas devices.
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Merge tag 'spi-fix-v6.17-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"There's one fix here for an issue with the CS42L43 where we were
allocating a single property for client devices as just that property
rather than a terminated array of properties like we are supposed to.
We also have an update to the MAINTAINERS file for some Renesas
devices"
* tag 'spi-fix-v6.17-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: cs42l43: Property entry should be a null-terminated array
MAINTAINERS: Add entries for the RZ/V2H(P) RSPI
This fixes an issue with the newly added code for handling large voltage
changes on regulators which require that individual voltage changes
cover a limited range, the check for convergence was broken.
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Merge tag 'regulator-fix-v6.17-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"This fixes an issue with the newly added code for handling large
voltage changes on regulators which require that individual voltage
changes cover a limited range, the check for convergence was broken"
* tag 'regulator-fix-v6.17-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: core: correct convergence check in regulator_set_voltage()
These patches fix a lockdep issue Russell King reported with nested
regmap-irqs (unusual since regmap is generally for devices on slow buses
so devices don't get nested), plus add a missing mutex free which I
noticed while implementing a fix for that issue.
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Merge tag 'regmap-fix-v6.17-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fixes from Mark Brown:
"These patches fix a lockdep issue Russell King reported with nested
regmap-irqs (unusual since regmap is generally for devices on slow
buses so devices don't get nested), plus add a missing mutex free
which I noticed while implementing a fix for that issue"
* tag 'regmap-fix-v6.17-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: irq: Avoid lockdep warnings with nested regmap-irq chips
regmap: irq: Free the regmap-irq mutex
- remove unused, legacy GPIO line value setters from struct gpio_chip
- rename the new set callbacks back to the original names treewide
- fix interrupt handling in gpio-mlxbf2
- revert a buggy immutable irqchip conversion
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Merge tag 'gpio-updates-for-v6.17-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"As discussed: there's a small commit that removes the legacy GPIO line
value setter callbacks as they're no longer used and a big, treewide
commit that renames the new ones to the old names across all GPIO
drivers at once.
While at it: there are also two fixes that I picked up over the course
of the merge window:
- remove unused, legacy GPIO line value setters from struct gpio_chip
- rename the new set callbacks back to the original names treewide
- fix interrupt handling in gpio-mlxbf2
- revert a buggy immutable irqchip conversion"
* tag 'gpio-updates-for-v6.17-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
treewide: rename GPIO set callbacks back to their original names
gpio: remove legacy GPIO line value setter callbacks
gpio: mlxbf2: use platform_get_irq_optional()
Revert "gpio: pxa: Make irq_chip immutable"
A few more small fixes for 6.17-rc1.
- Support for ASoC AMD ACP 7.2 with new IDs
- ASoC Intel AVS and SOF fixes
- Yet more kconfig adjustments for HD-audio codecs
- TAS2781 codec fixes
- Fixes for longstanding (rather minor) bugs in Intel LPE audio
and USB-audio drivers
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Merge tag 'sound-fix-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
- Support for ASoC AMD ACP 7.2 with new IDs
- ASoC Intel AVS and SOF fixes
- Yet more kconfig adjustments for HD-audio codecs
- TAS2781 codec fixes
- Fixes for longstanding (rather minor) bugs in Intel LPE audio and
USB-audio drivers
* tag 'sound-fix-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/cirrus: Restrict prompt only for CONFIG_EXPERT
ALSA: hda/hdmi: Restrict prompt only for CONFIG_EXPERT
ALSA: hda/realtek: Restrict prompt only for CONFIG_EXPERT
ALSA: hda/ca0132: Fix missing error handling in ca0132_alt_select_out()
ASoC: SOF: Intel: hda-sdw-bpt: fix SND_SOF_SOF_HDA_SDW_BPT dependencies
ALSA: hda/tas2781: Support L"SmartAmpCalibrationData" to save calibrated data
ALSA: intel_hdmi: Fix off-by-one error in __hdmi_lpe_audio_probe()
ALSA: hda/realtek: add LG gram 16Z90R-A to alc269 fixup table
ALSA: usb-audio: Don't use printk_ratelimit for debug prints
ASoC: Intel: sof_sdw: Add quirk for Alienware Area 51 (2025) 0CCC SKU
ASoC: tas2781: Fix the wrong step for TLV on tas2781
ASoC: amd: acp: Add SoundWire SOF machine driver support for acp7.2 platform
ASoC: amd: acp: Add SoundWire legacy machine driver support for acp7.2 platform
ASoC: amd: ps: Add SoundWire pci and dma driver support for acp7.2 platform
ASoC: SOF: amd: Add sof audio support for acp7.2 platform
ASoC: Intel: avs: Fix uninitialized pointer error in probe()
ASoC: wm8962: Clear master mode when enter runtime suspend
ASoC: SOF: amd: acp-loader: Use GFP_KERNEL for DMA allocations in resume context
These are a few patches to fix up bits that went missing during the
merge window: The tegra and s3c patches address trivial regressions
from conflicts, the bcm7445 makes the dt conform to the binding that
was made stricter.
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Merge tag 'soc-fixes-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"These are a few patches to fix up bits that went missing during the
merge window: The tegra and s3c patches address trivial regressions
from conflicts, the bcm7445 makes the dt conform to the binding that
was made stricter"
* tag 'soc-fixes-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: tegra: Remove numa-node-id properties
ARM: s3c/gpio: complete the conversion to new GPIO value setters
ARM: dts: broadcom: Fix bcm7445 memory controller compatible
- replace __ASSEMBLY__ with __ASSEMBLER__ in arch headers
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Merge tag 'xtensa-20250808' of https://github.com/jcmvbkbc/linux-xtensa
Pull xtensa update from Max Filippov:
- replace __ASSEMBLY__ with __ASSEMBLER__ in arch headers
* tag 'xtensa-20250808' of https://github.com/jcmvbkbc/linux-xtensa:
xtensa: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
xtensa: Replace __ASSEMBLY__ with __ASSEMBLER__ in uapi headers
