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f2fs_folio_state is attached to folio->private and is expected to start
with read_pages_pending == 0. However, the structure was allocated from
ffs_entry_slab without being fully initialized, which can leave
read_pages_pending with stale values.
Allocate the object with __GFP_ZERO so all fields are reliably zeroed at
creation time.
Signed-off-by: Nanzhe Zhao <nzzhao@126.com>
Reviewed-by: Barry Song <baohua@kernel.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds a new sysfs node in /sys/fs/f2fs/<disk>/inject_lock_timeout,
it relies on CONFIG_F2FS_FAULT_INJECTION kernel config.
It can be used to simulate different type of timeout in lock duration.
========== ===============================
Flag_Value Flag_Description
========== ===============================
0x00000000 No timeout (default)
0x00000001 Simulate running time
0x00000002 Simulate IO type sleep time
0x00000003 Simulate Non-IO type sleep time
0x00000004 Simulate runnable time
========== ===============================
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch introduce a new fault type FAULT_LOCK_TIMEOUT, it can
be used to inject timeout into lock duration.
Timeout type can be set via /sys/fs/f2fs/<disk>/inject_timeout_type
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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No logic changes.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Sometimes, f2fs_io_schedule_timeout_killable(HZ) may delay for about 2
seconds, this is because __f2fs_schedule_timeout(DEFAULT_SCHEDULE_TIMEOUT)
may delay for about 2 * DEFAULT_SCHEDULE_TIMEOUT due to its precision, but
we only account the delay as DEFAULT_SCHEDULE_TIMEOUT as below, fix it.
f2fs_io_schedule_timeout_killable()
..
timeout -= DEFAULT_SCHEDULE_TIMEOUT;
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Due to timeout parameter in {io,}_schedule_timeout() is based on jiffies
unit precision. It will lose precision when using msecs_to_jiffies(x)
for conversion.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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No logic changes.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Use f2fs_{down,up}_{read,write}_trace for io_rwsem to trace lock elapsed time.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Use f2fs_{down,up}_write_trace for cp_global_sem to trace lock elapsed time.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Use f2fs_{down,up}_write_trace for gc_lock to trace lock elapsed time.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Use f2fs_{down,up}_read_trace for node_write to trace lock elapsed time.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Use f2fs_{down,up}_read_trace for node_change to trace lock elapsed time.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Use f2fs_{down,up}_read_trace for cp_rwsem to trace lock elapsed time.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch add a new sysfs node in /sys/fs/f2fs/<device>/max_lock_elapsed_time.
This is a threshold, once a thread enters critical region that lock covers,
total elapsed time exceeds this threshold, f2fs will print tracepoint to dump
information of related context. This sysfs entry can be used to control the
value of threshold, by default, the value is 500 ms.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds lock elapsed time trace facility for f2fs rwsemphore.
If total elapsed time of critical region covered by lock exceeds a
threshold, it will print tracepoint to dump information of lock related
context, including:
- thread information
- CPU/IO priority
- lock information
- elapsed time
- total time
- running time (depend on CONFIG_64BIT)
- runnable time (depend on CONFIG_SCHED_INFO and CONFIG_SCHEDSTATS)
- io sleep time (depend on CONFIG_TASK_DELAY_ACCT and
/proc/sys/kernel/task_delayacct)
- other time (by default other time will account nonio sleep time,
but, if above kconfig is not defined, other time will
include runnable time and/or io sleep time as wll)
output:
f2fs_lock_elapsed_time: dev = (254,52), comm: sh, pid: 13855, prio: 120, ioprio_class: 2, ioprio_data: 4, lock_name: cp_rwsem, lock_type: rlock, total: 1000, running: 993, runnable: 2, io_sleep: 0, other: 5
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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During the garbage collection process, F2FS submits readahead I/Os for
valid blocks. However, since the GC loop runs within a single plug scope
without intermediate flushing, these readahead I/Os often accumulate in
the block layer's plug list instead of being dispatched to the device
immediately.
Consequently, when the GC thread attempts to lock the page later, the
I/O might not have completed (or even started), leading to a "read try
and wait" scenario. This negates the benefit of readahead and causes
unnecessary delays in GC latency.
This patch addresses this issue by introducing an intermediate
blk_finish_plug() and blk_start_plug() pair within the GC loop. This
forces the dispatch of pending I/Os, ensuring that readahead pages are
fetched in time, thereby reducing GC latency.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The commit 8a2d9f00d has been updated to set its default value to "rt,3",
fixing the outdated default value in the F2FS documentation.
Signed-off-by: ZhaoYueNan <amktiao030215@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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During data movement, move_data_block acquires file folio without
triggering a file read. Such folio are typically not uptodate, they need
to be removed from the page cache after gc complete. This patch marks
folio with the PG_dropbehind flag and uses folio_end_dropbehind to
remove folio from the page cache.
Signed-off-by: Yunlei He <heyunlei@xiaomi.com>
Signed-off-by: Yongpeng Yang <yangyongpeng@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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__submit_merged_write_cond
f2fs_folio_wait_writeback ensures the folio write is submitted to the
block layer via __submit_merged_write_cond, then waits for the folio to
complete. Other I/O submissions are irrelevant to
f2fs_folio_wait_writeback. Thus, if the folio write bio is already
submitted, the function can return immediately. This patch adds a
writeback parameter to __submit_merged_write_cond(), which signals an
immediate return after submitting the target folio, and waitting
writeback can use this parameter.
Signed-off-by: Yongpeng Yang <yangyongpeng@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The force parameter in __submit_merged_write_cond is redundant, where
`force == true` implies `inode == NULL && folio == NULL && ino == 0` is
true, and `force == false` implies `inode != NULL || folio != NULL ||
ino != 0` is true. Thus, this patch replaces the force parameter with
a stack variable force.
Signed-off-by: Yongpeng Yang <yangyongpeng@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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It missed the stat count in f2fs_gc_range.
Cc: stable@kernel.org
Fixes: 9bf1dcbdfdc8 ("f2fs: fix to account gc stats correctly")
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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As Zhiguo reported, nat entry of quota inode could be corrupted:
"ino/block_addr=NULL_ADDR in nid=4 entry"
We'd better to do sanity check on quota inode to detect and record
nat.blk_addr inconsistency, so that we can have a chance to repair
it w/ later fsck.
Reported-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Reviewed-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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1. qf_inum has been got and checked in its caller f2fs_enable_quotas
2. f2fs_sb_has_quota_ino has bee checked in its all callers
3. use sbi cleanup F2FS_SB(sb)
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The check for enough sections in segment.h has the following issues:
1. has_not_enough_free_secs() should return "enough secs" when "free_secs
>= upper_secs", not just structly greater. Conversely, it should only
return "not enough secs" when "free_secs < lower_secs", not when they are
equal. This accounts for the possibility that blocks can fit within
curseg without requiring an additional free section.
2. __get_secs_required() currently separates the needed space to section
and block parts, checking them against free sections and curseg,
respectively. This does not consider the case where curseg cannot hold
the whole block part, but excess free sections beyond the section part
can accommodate some of the block part.
3. has_curseg_enough_space() only checks CURSEG_HOT_DATA for dentry
blocks, but when active_logs=6, they may be placed in WARM and COLD
sections. Also, the current logic does not consider that dentry and data
blocks can be put in the same section when active_logs=2 or 6.
This patch modifies the three functions to address the above issues:
1. Rename has_curseg_enough_space() to get_additional_blocks_required().
Calculate the minimum node, dentry, and data blocks curseg can
accommodate. Then subtract these from the total required blocks of
respective type to determine the worst-case number of blocks that must
be placed in free sections.
2. In __get_secs_required(), get the number of blocks needing new
sections from the new get_additional_blocks_required(). Return the upper
bound of necessary free sections for these blocks. For active_logs=2 or
6, dentry blocks are combined with data blocks.
3. In has_not_enough_free_secs(), get the required sections from
__get_secs_required(), and return “not enough secs” if “free_secs <
required_secs”.
Signed-off-by: Joanne Chang <joannechien@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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For example,
1327.539878: f2fs_preload_pages_start: dev = (252,16), ino = 14, i_size = 4294967296 start: 0, end: 8191
1327.539878: page_cache_sync_ra: dev=252:16 ino=e index=0 req_count=8192 order=9 size=0 async_size=0 ra_pages=4096 mmap_miss=0 prev_pos=-1
1327.539879: page_cache_ra_order: dev=252:16 ino=e index=0 order=9 size=4096 async_size=2048 ra_pages=4096
1327.541895: f2fs_readpages: dev = (252,16), ino = 14, start = 0 nrpage = 4096
1327.541930: f2fs_lookup_extent_tree_start: dev = (252,16), ino = 14, pgofs = 0, type = Read
1327.541931: f2fs_lookup_read_extent_tree_end: dev = (252,16), ino = 14, pgofs = 0, read_ext_info(fofs: 0, len: 1048576, blk: 4221440)
1327.541931: f2fs_map_blocks: dev = (252,16), ino = 14, file offset = 0, start blkaddr = 0x406a00, len = 0x1000, flags = 2, seg_type = 8, may_create = 0, multidevice = 0, flag = 0, err = 0
1327.541989: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 0, nr_pages = 512, dirty = 0, uptodate = 0
1327.542012: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 512, nr_pages = 512, dirty = 0, uptodate = 0
1327.542036: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 1024, nr_pages = 512, dirty = 0, uptodate = 0
1327.542080: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 1536, nr_pages = 512, dirty = 0, uptodate = 0
1327.542127: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 2048, nr_pages = 512, dirty = 0, uptodate = 0
1327.542151: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 2560, nr_pages = 512, dirty = 0, uptodate = 0
1327.542196: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 3072, nr_pages = 512, dirty = 0, uptodate = 0
1327.542219: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 3584, nr_pages = 512, dirty = 0, uptodate = 0
1327.542239: f2fs_submit_read_bio: dev = (252,16)/(252,16), rw = READ(R), DATA, sector = 33771520, size = 16777216
1327.542269: page_cache_sync_ra: dev=252:16 ino=e index=4096 req_count=8192 order=9 size=4096 async_size=2048 ra_pages=4096 mmap_miss=0 prev_pos=-1
1327.542289: page_cache_ra_order: dev=252:16 ino=e index=4096 order=9 size=4096 async_size=2048 ra_pages=4096
1327.544485: f2fs_readpages: dev = (252,16), ino = 14, start = 4096 nrpage = 4096
1327.544521: f2fs_lookup_extent_tree_start: dev = (252,16), ino = 14, pgofs = 4096, type = Read
1327.544521: f2fs_lookup_read_extent_tree_end: dev = (252,16), ino = 14, pgofs = 4096, read_ext_info(fofs: 0, len: 1048576, blk: 4221440)
1327.544522: f2fs_map_blocks: dev = (252,16), ino = 14, file offset = 4096, start blkaddr = 0x407a00, len = 0x1000, flags = 2, seg_type = 8, may_create = 0, multidevice = 0, flag = 0, err = 0
1327.544550: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 4096, nr_pages = 512, dirty = 0, uptodate = 0
1327.544575: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 4608, nr_pages = 512, dirty = 0, uptodate = 0
1327.544601: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 5120, nr_pages = 512, dirty = 0, uptodate = 0
1327.544647: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 5632, nr_pages = 512, dirty = 0, uptodate = 0
1327.544692: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 6144, nr_pages = 512, dirty = 0, uptodate = 0
1327.544734: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 6656, nr_pages = 512, dirty = 0, uptodate = 0
1327.544777: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 7168, nr_pages = 512, dirty = 0, uptodate = 0
1327.544805: f2fs_read_folio: dev = (252,16), ino = 14, DATA, FILE, index = 7680, nr_pages = 512, dirty = 0, uptodate = 0
1327.544826: f2fs_submit_read_bio: dev = (252,16)/(252,16), rw = READ(R), DATA, sector = 33804288, size = 16777216
1327.544852: f2fs_preload_pages_end: dev = (252,16), ino = 14, i_size = 4294967296 start: 8192, end: 8191
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch enables large folio for limited case where we can get the high-order
memory allocation. It supports the encrypted and fsverity files, which are
essential for Android environment.
How to test:
- dd if=/dev/zero of=/mnt/test/test bs=1G count=4
- f2fs_io setflags immutable /mnt/test/test
- echo 3 > /proc/sys/vm/drop_caches
: to reload inode with large folio
- f2fs_io read 32 0 1024 mmap 0 0 /mnt/test/test
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Pull SCSI fixes from James Bottomley:
"The only core fix is in doc; all the others are in drivers, with the
biggest impacts in libsas being the rollback on error handling and in
ufs coming from a couple of error handling fixes, one causing a crash
if it's activated before scanning and the other fixing W-LUN
resumption"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: qcom: Fix confusing cleanup.h syntax
scsi: libsas: Add rollback handling when an error occurs
scsi: device_handler: Return error pointer in scsi_dh_attached_handler_name()
scsi: ufs: core: Fix a deadlock in the frequency scaling code
scsi: ufs: core: Fix an error handler crash
scsi: Revert "scsi: libsas: Fix exp-attached device scan after probe failure scanned in again after probe failed"
scsi: ufs: core: Fix RPMB link error by reversing Kconfig dependencies
scsi: qla4xxx: Use time conversion macros
scsi: qla2xxx: Enable/disable IRQD_NO_BALANCING during reset
scsi: ipr: Enable/disable IRQD_NO_BALANCING during reset
scsi: imm: Fix use-after-free bug caused by unfinished delayed work
scsi: target: sbp: Remove KMSG_COMPONENT macro
scsi: core: Correct documentation for scsi_device_quiesce()
scsi: mpi3mr: Prevent duplicate SAS/SATA device entries in channel 1
scsi: target: Reset t_task_cdb pointer in error case
scsi: ufs: core: Fix EH failure after W-LUN resume error
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Pull ceph updates from Ilya Dryomov:
"We have a patch that adds an initial set of tracepoints to the MDS
client from Max, a fix that hardens osdmap parsing code from myself
(marked for stable) and a few assorted fixups"
* tag 'ceph-for-6.19-rc1' of https://github.com/ceph/ceph-client:
rbd: stop selecting CRC32, CRYPTO, and CRYPTO_AES
ceph: stop selecting CRC32, CRYPTO, and CRYPTO_AES
libceph: make decode_pool() more resilient against corrupted osdmaps
libceph: Amend checking to fix `make W=1` build breakage
ceph: Amend checking to fix `make W=1` build breakage
ceph: add trace points to the MDS client
libceph: fix log output race condition in OSD client
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Pull tomoyo update from Tetsuo Handa:
"Trivial optimization"
* tag 'tomoyo-pr-20251212' of git://git.code.sf.net/p/tomoyo/tomoyo:
tomoyo: Use local kmap in tomoyo_dump_page()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug fix from Ingo Molnar:
- Fix CPU hotplug callbacks to disable interrupts on UP kernels
* tag 'smp-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu: Make atomic hotplug callbacks run with interrupts disabled on UP
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf event fixes from Ingo Molnar:
- Fix NULL pointer dereference crash in the Intel PMU driver
- Fix missing read event generation on task exit
- Fix AMD uncore driver init error handling
- Fix whitespace noise
* tag 'perf-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Fix NULL event dereference crash in handle_pmi_common()
perf/core: Fix missing read event generation on task exit
perf/x86/amd/uncore: Fix the return value of amd_uncore_df_event_init() on error
perf/uprobes: Remove <space><Tab> whitespace noise
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
- Fix error code in the irqchip/mchp-eic driver
- Fix setup_percpu_irq() affinity assumptions
- Remove the unused irq_domain_add_tree() function
* tag 'irq-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc()
irqdomain: Delete irq_domain_add_tree()
genirq: Allow NULL affinity for setup_percpu_irq()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc core fixes from Ingo Molnar:
- Improve bug reporting
- Suppress W=1 format warning
- Improve rseq scalability on Clang builds
* tag 'core-urgent-2025-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq: Always inline rseq_debug_syscall_return()
bug: Hush suggest-attribute=format for __warn_printf()
bug: Let report_bug_entry() provide the correct bugaddr
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc updates from Andrew Morton:
"There are no significant series in this small merge. Please see the
individual changelogs for details"
[ Editor's note: it's mainly ocfs2 and a couple of random fixes ]
* tag 'mm-nonmm-stable-2025-12-11-11-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: memfd_luo: add CONFIG_SHMEM dependency
mm: shmem: avoid build warning for CONFIG_SHMEM=n
ocfs2: fix memory leak in ocfs2_merge_rec_left()
ocfs2: invalidate inode if i_mode is zero after block read
ocfs2: avoid -Wflex-array-member-not-at-end warning
ocfs2: convert remaining read-only checks to ocfs2_emergency_state
ocfs2: add ocfs2_emergency_state helper and apply to setattr
checkpatch: add uninitialized pointer with __free attribute check
args: fix documentation to reflect the correct numbers
ocfs2: fix kernel BUG in ocfs2_find_victim_chain
liveupdate: luo_core: fix redundant bound check in luo_ioctl()
ocfs2: validate inline xattr size and entry count in ocfs2_xattr_ibody_list
fs/fat: remove unnecessary wrapper fat_max_cache()
ocfs2: replace deprecated strcpy with strscpy
ocfs2: check tl_used after reading it from trancate log inode
liveupdate: luo_file: don't use invalid list iterator
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- "powerpc/pseries/cmm: two smaller fixes" (David Hildenbrand)
fixes a couple of minor things in ppc land
- "Improve folio split related functions" (Zi Yan)
some cleanups and minorish fixes in the folio splitting code
* tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/damon/tests/core-kunit: avoid damos_test_commit stack warning
mm: vmscan: correct nr_requested tracing in scan_folios
MAINTAINERS: add idr core-api doc file to XARRAY
mm/hugetlb: fix incorrect error return from hugetlb_reserve_pages()
mm: fix CONFIG_STACK_GROWSUP typo in mm.h
mm/huge_memory: fix folio split stats counting
mm/huge_memory: make min_order_for_split() always return an order
mm/huge_memory: replace can_split_folio() with direct refcount calculation
mm/huge_memory: change folio_split_supported() to folio_check_splittable()
mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM
powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages
powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION
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Brown paper bag time. This is a silly oversight where I missed to drop
the error condition checking to ensure we clean up on early error
returns. I have an internal unit testset coming up for this which will
catch all such issues going forward.
Reported-by: Chris Mason <clm@fb.com>
Reported-by: Jeff Layton <jlayton@kernel.org>
Fixes: 011703a9acd7 ("file: add FD_{ADD,PREPARE}()")
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 7bfe3b8ea6e3 ("Drivers: hv: Introduce mshv_vtl driver") added a
new generated header file for the offsets into the mshv_vtl_cpu_context
structure to be used by the low-level assembly code. But it didn't add
the .gitignore file to go with it, so 'git status' and friends will
mention it.
Let's add the gitignore file before somebody thinks that generated
header should be committed.
Fixes: 7bfe3b8ea6e3 ("Drivers: hv: Introduce mshv_vtl driver")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull more drm fixes from Dave Airlie:
"These are the enqueued fixes that ended up in our fixes branch,
nouveau mostly, along with some small fixes in other places.
plane:
- Handle IS_ERR vs NULL in drm_plane_create_hotspot_properties()
ttm:
- fix devcoredump for evicted bos
panel:
- Fix stack usage warning in novatek-nt35560
nouveau:
- alloc fwsec sb at boot to avoid s/r problems
- fix strcpy usage
- fix i2c encoder crash
bridge:
- Ignore spurious PLL_UNLOCK bit in ti-sn65dsi83
mgag200:
- Fix bigendian handling in mgag200
tilcdc:
- Fix probe failure in tilcdc"
* tag 'drm-fixes-2025-12-13' of https://gitlab.freedesktop.org/drm/kernel:
drm/mgag200: Fix big-endian support
drm/tilcdc: Fix removal actions in case of failed probe
drm/ttm: Avoid NULL pointer deref for evicted BOs
drm: nouveau: Replace sprintf() with sysfs_emit()
drm/nouveau: fix circular dep oops from vendored i2c encoder
drm/nouveau: refactor deprecated strcpy
drm/plane: Fix IS_ERR() vs NULL check in drm_plane_create_hotspot_properties()
drm/bridge: ti-sn65dsi83: ignore PLL_UNLOCK errors
drm/nouveau/gsp: Allocate fwsec-sb at boot
drm/panel: novatek-nt35560: avoid on-stack device structure
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Pull drm fixes from Dave Airlie:
"This is the weekly fixes for what is in next tree, mostly amdgpu and
some i915, panthor and a core revert.
core:
- revert dumb bo 8 byte alignment
amdgpu:
- SI fix
- DC reduce stack usage
- HDMI fixes
- VCN 4.0.5 fix
- DP MST fix
- DC memory allocation fix
amdkfd:
- SVM fix
- Trap handler fix
- VGPR fixes for GC 11.5
i915:
- Fix format string truncation warning
- FIx runtime PM reference during fbdev BO creation
panthor:
- fix UAF
renesas:
- fix sync flag handling"
* tag 'drm-next-2025-12-13' of https://gitlab.freedesktop.org/drm/kernel:
Revert "drm/amd/display: Fix pbn to kbps Conversion"
drm/amd: Fix unbind/rebind for VCN 4.0.5
drm/i915: Fix format string truncation warning
drm/i915/fbdev: Hold runtime PM ref during fbdev BO creation
drm/amd/display: Improve HDMI info retrieval
drm/amdkfd: bump minimum vgpr size for gfx1151
drm/amd/display: shrink struct members
drm/amdkfd: Export the cwsr_size and ctl_stack_size to userspace
drm/amd/display: Refactor dml_core_mode_support to reduce stack frame
drm/amdgpu: don't attach the tlb fence for SI
drm/amd/display: Use GFP_ATOMIC in dc_create_plane_state()
drm/amdkfd: Trap handler support for expert scheduling mode
drm/amdkfd: Use huge page size to check split svm range alignment
drm/rcar-du: dsi: Handle both DRM_MODE_FLAG_N.SYNC and !DRM_MODE_FLAG_P.SYNC
drm/gem-shmem: revert the 8-byte alignment constraint
drm/gem-dma: revert the 8-byte alignment constraint
drm/panthor: Prevent potential UAF in group creation
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull further i3c update from Alexandre Belloni:
"We are removing a legacy API callback and having this sooner rather
than later will help ensuring no one introduces a new driver using it.
I've also added patches removing the "__free(...) = NULL" pattern
because I'm sure we won't avoid people sending those following the
mailing list discussion..."
* tag 'i3c/for-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: adi: Fix confusing cleanup.h syntax
i3c: master: Fix confusing cleanup.h syntax
i3c: master: cleanup callback .priv_xfers()
i3c: master: switch to use new callback .i3c_xfers() from .priv_xfers()
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- stop setting max_user_freq from the individual drivers as this has
not been hardware related for a while
New drivers:
- Andes ATCRTC100
- Apple SMC
- Nvidia VRS
Drivers:
- renesas-rtca3: add RZ/V2H support
- tegra: add ACPI support"
* tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits)
rtc: spacemit: MFD_SPACEMIT_P1 as dependencies
rtc: atcrtc100: Fix signedness bug in probe()
rtc: max31335: Fix ignored return value in set_alarm
rtc: gamecube: Check the return value of ioremap()
Documentation: ABI: testing: Fix "upto" typo in rtc-cdev
rtc: Add new rtc-macsmc driver for Apple Silicon Macs
dt-bindings: rtc: Add Apple SMC RTC
MAINTAINERS: drop unneeded file entry in NVIDIA VRS RTC DRIVER
rtc: isl12026: Add id_table
rtc: renesas-rtca3: Add support for multiple reset lines
dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H support
rtc: tegra: Replace deprecated SIMPLE_DEV_PM_OPS
rtc: tegra: Add ACPI support
rtc: tegra: Use devm_clk_get_enabled() in probe
rtc: Kconfig: add MC34708 to mc13xxx help text
rtc: s35390a: use u8 instead of char for register buffer
rtc: nvvrs: add NVIDIA VRS RTC device driver
dt-bindings: rtc: Document NVIDIA VRS RTC
rtc: atcrtc100: Add ATCRTC100 RTC driver
MAINTAINERS: Add entry for ATCRTC100 RTC driver
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fix from Uwe Kleine-König:
"Fix missing th1520 Kconfig dependencies
This tightens the dependency for the new pwm driver written in Rust to
make build bots and obviously also users happy"
* tag 'pwm/for-6.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: th1520: Fix missing Kconfig dependencies
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
- fix spinlock op type after conversion to lock guards
- fix a memory leak in error path in gpio-regmap
- Kconfig fixes in GPIO drivers
- add a GPIO ACPI quirk for Dell Precision 7780
- set of fixes for shared GPIO management
* tag 'gpio-fixes-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: shared: make locking more fine-grained
gpio: shared: fix auxiliary device cleanup order
gpio: shared: check if a reference is populated before cleaning its resources
gpio: shared: fix NULL-pointer dereference in teardown path
gpio: shared: ignore disabled nodes when traversing the device-tree
gpiolib: acpi: Add quirk for Dell Precision 7780
gpio: tb10x: fix OF_GPIO dependency
gpio: qixis: select CONFIG_REGMAP_MMIO
gpio: regmap: Fix memleak in error path in gpio_regmap_register()
gpio: mmio: fix bad guard conversion
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fix from Bjorn Helgaas:
- Initialize rzg3s_pcie_msi_irq() MSI status bitmap before use (Claudiu
Beznea)
* tag 'pci-v6.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: rzg3s-host: Initialize MSI status bitmap before use
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Support for multiple sections in a BPT stream
- Align DMA frame with BPT frames
- Qualcomm support for v3.1.0 controllers
* tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: intel_ace2x: handle multi BPT sections
soundwire: pass sdw_bpt_section to cdns BPT helpers
soundwire: introduce BPT section
soundwire: intel_ace2x: add fake frame to BRA read command
soundwire: cadence_master: add fake_size parameter to sdw_cdns_prepare_read_dma_buffer
ASoC: SOF: Intel: export hda_sdw_bpt_get_buf_size_aligment
soundwire: cadence: export sdw_cdns_bpt_find_bandwidth
soundwire: cadence_master: set data_per_frame as frame capability
soundwire: only compute BPT stream in sdw_compute_dp0_port_params
soundwire: cadence_master: make frame index trace more readable
soundwire: qcom: adding support for v3.1.0
dt-bindings: soundwire: qcom: Document v3.1.0 version of IP block
soundwire: qcom: prepare for v3.x
soundwire: qcom: deprecate qcom,din/out-ports
dt-bindings: soundwire: qcom: deprecate qcom,din/out-ports
soundwire: qcom: remove unused rd_fifo_depth
of: base: Add of_property_read_u8_index
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The only slightly large change is the enablement of CIX HD-audio
controller, which took a bit time to be cooked up, while most of other
changes are device-specific small trivial fixes:
- Default disablement of the kconfig for decades old pre-release
alsa-lib PCM API; it's only the default config value change, so it
can't lead to any regressions for the existing setups
- Support for CIX HD-audio controller
- A few ASoC ACP fixes
- Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
- Trivial hardening for FireWire and USB-audio
- HD-audio Intel binding fix and quirks"
* tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ALSA: hda/tas2781: Add new quirk for HP new project
ALSA: hda: cix-ipbloq: Use modern PM ops
ALSA: hda: intel-dsp-config: Prefer legacy driver as fallback
ASoC: amd: acp: update tdm channels for specific DAI
ASoC: cs35l56: Fix incorrect select SND_SOC_CS35L56_CAL_SYSFS_COMMON
ALSA: firewire-motu: add bounds check in put_user loop for DSP events
ASoC: cs35l41: Always return 0 when a subsystem ID is found
ALSA: uapi: Fix typo in asound.h comment
ALSA: Do not build obsolete API
ALSA: hda: add CIX IPBLOQ HDA controller support
ALSA: hda/core: add addr_offset field for bus address translation
ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support
ALSA: hda/realtek: Add support for ASUS UM3406GA
ALSA: hda/realtek: Add support for HP Turbine Laptops
ALSA: usb-audio: Initialize status1 to fix uninitialized symbol errors
ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events
ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
ASoC: cros_ec_codec: Remove unnecessary selection of CRYPTO
ASoc: qcom: q6afe: fix bad guard conversion
ASoC: rockchip: Fix Wvoid-pointer-to-enum-cast warning (again)
...
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.19-rc1:
- Fix stack usage warning in novatek-nt35560.
- Fix s/r, i2c issues in nouveau and update string handling.
- Ignore spurious PLL_UNLOCK bit in ti-sn65dsi83.
- Handle IS_ERR vs NULL in drm_plane_create_hotspot_properties().
- Fix devcoredump crash on reading evicted bo's.
- Fix bigendian handling in mgag200.
- Fix probe failure in tilcdc.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/6c371dc1-08bf-4a34-895c-9ef348b6061b@linux.intel.com
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Initializing automatic __free variables to NULL without need (e.g.
branches with different allocations), followed by actual allocation is
in contrary to explicit coding rules guiding cleanup.h:
"Given that the "__free(...) = NULL" pattern for variables defined at
the top of the function poses this potential interdependency problem the
recommendation is to always define and assign variables in one statement
and not group variable definitions at the top of the function when
__free() is used."
Code does not have a bug, but is less readable and uses discouraged
coding practice, so fix that by moving declaration to the place of
assignment.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251208020750.4727-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Initializing automatic __free variables to NULL without need (e.g.
branches with different allocations), followed by actual allocation is
in contrary to explicit coding rules guiding cleanup.h:
"Given that the "__free(...) = NULL" pattern for variables defined at
the top of the function poses this potential interdependency problem the
recommendation is to always define and assign variables in one statement
and not group variable definitions at the top of the function when
__free() is used."
Code does not have a bug, but is less readable and uses discouraged
coding practice, so fix that by moving declaration to the place of
assignment.
Not that other existing usage of __free() in this context is a corret
exception initialized to NULL, because the actual allocation is branched
in if().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251208020750.4727-3-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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