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1,397,032 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Christoph Hellwig
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36cebabde7 |
xfs: don't treat all radix_tree_insert errors as -EEXIST
Return other errors to the caller instead. Note that there really shouldn't be any other errors because the entry is preallocated, but if there were, we'd better return them instead of retrying forever. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Carlos Maiolino <cem@kernel.org> |
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Christoph Hellwig
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005d5ae0c5 |
xfs: make qi_dquots a 64-bit value
qi_dquots counts all quotas in the file system, which can be up to
3 * UINT_MAX and overflow a 32-bit counter, but can't be negative.
Make qi_dquots a uint64_t, and saturate the value to UINT_MAX for
userspace reporting.
Fixes:
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Christoph Hellwig
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204c8f77e8 |
xfs: don't leak a locked dquot when xfs_dquot_attach_buf fails
xfs_qm_quotacheck_dqadjust acquired the dquot through xfs_qm_dqget,
which means it owns a reference and holds q_qlock. Both need to
be dropped on an error exit.
Cc: <stable@vger.kernel.org> # v6.13
Fixes:
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Christoph Hellwig
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0ec73eb3f1 |
xfs: add a xfs_groups_to_rfsbs helper
Plus a rtgroup wrapper and use that to avoid overflows when converting zone/rtg counts to block counts. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Carlos Maiolino <cem@kernel.org> |
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Christoph Hellwig
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d8a823c6f0 |
xfs: free xfs_busy_extents structure when no RT extents are queued
kmemleak occasionally reports leaking xfs_busy_extents structure
from xfs_scrub calls after running xfs/528 (but attributed to following
tests), which seems to be caused by not freeing the xfs_busy_extents
structure when tr.queued is 0 and xfs_trim_rtgroup_extents breaks out
of the main loop. Free the structure in this case.
Fixes:
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Christoph Hellwig
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21ab5179aa |
xfs: fix zone selection in xfs_select_open_zone_mru
xfs_select_open_zone_mru needs to pass XFS_ZONE_ALLOC_OK to xfs_try_use_zone because we only want to tightly pack into zones of the same or a compatible temperature instead of any available zone. This got broken in commit |
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Christoph Hellwig
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f5714a3c1a |
xfs: fix a rtgroup leak when xfs_init_zone fails
Drop the rtgrop reference when xfs_init_zone fails for a conventional
device.
Fixes:
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Darrick J. Wong
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8d7bba1e83 |
xfs: fix various problems in xfs_atomic_write_cow_iomap_begin
I think there are several things wrong with this function:
A) xfs_bmapi_write can return a much larger unwritten mapping than what
the caller asked for. We convert part of that range to written, but
return the entire written mapping to iomap even though that's
inaccurate.
B) The arguments to xfs_reflink_convert_cow_locked are wrong -- an
unwritten mapping could be *smaller* than the write range (or even
the hole range). In this case, we convert too much file range to
written state because we then return a smaller mapping to iomap.
C) It doesn't handle delalloc mappings. This I covered in the patch
that I already sent to the list.
D) Reassigning count_fsb to handle the hole means that if the second
cmap lookup attempt succeeds (due to racing with someone else) we
trim the mapping more than is strictly necessary. The changing
meaning of count_fsb makes this harder to notice.
E) The tracepoint is kinda wrong because @length is mutated. That makes
it harder to chase the data flows through this function because you
can't just grep on the pos/bytecount strings.
F) We don't actually check that the br_state = XFS_EXT_NORM assignment
is accurate, i.e that the cow fork actually contains a written
mapping for the range we're interested in
G) Somewhat inadequate documentation of why we need to xfs_trim_extent
so aggressively in this function.
H) Not sure why xfs_iomap_end_fsb is used here, the vfs already clamped
the write range to s_maxbytes.
Fix these issues, and then the atomic writes regressions in generic/760,
generic/617, generic/091, generic/263, and generic/521 all go away for
me.
Cc: stable@vger.kernel.org # v6.16
Fixes:
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Darrick J. Wong
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8d54eacd82 |
xfs: fix delalloc write failures in software-provided atomic writes
With the 20 Oct 2025 release of fstests, generic/521 fails for me on
regular (aka non-block-atomic-writes) storage:
QA output created by 521
dowrite: write: Input/output error
LOG DUMP (8553 total operations):
1( 1 mod 256): SKIPPED (no operation)
2( 2 mod 256): WRITE 0x7e000 thru 0x8dfff (0x10000 bytes) HOLE
3( 3 mod 256): READ 0x69000 thru 0x79fff (0x11000 bytes)
4( 4 mod 256): FALLOC 0x53c38 thru 0x5e853 (0xac1b bytes) INTERIOR
5( 5 mod 256): COPY 0x55000 thru 0x59fff (0x5000 bytes) to 0x25000 thru 0x29fff
6( 6 mod 256): WRITE 0x74000 thru 0x88fff (0x15000 bytes)
7( 7 mod 256): ZERO 0xedb1 thru 0x11693 (0x28e3 bytes)
with a warning in dmesg from iomap about XFS trying to give it a
delalloc mapping for a directio write. Fix the software atomic write
iomap_begin code to convert the reservation into a written mapping.
This doesn't fix the data corruption problems reported by generic/760,
but it's a start.
Cc: stable@vger.kernel.org # v6.16
Fixes:
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Christoph Hellwig
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0db22d7ee4 |
xfs: document another racy GC case in xfs_zoned_map_extent
Besides blocks being invalidated, there is another case when the original mapping could have changed between querying the rmap for GC and calling xfs_zoned_map_extent. Document it there as it took us quite some time to figure out what is going on while developing the multiple-GC protection fix. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Carlos Maiolino <cem@kernel.org> |
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Christoph Hellwig
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83bac569c7 |
xfs: prevent gc from picking the same zone twice
When we are picking a zone for gc it might already be in the pipeline
which can lead to us moving the same data twice resulting in in write
amplification and a very unfortunate case where we keep on garbage
collecting the zone we just filled with migrated data stopping all
forward progress.
Fix this by introducing a count of on-going GC operations on a zone, and
skip any zone with ongoing GC when picking a new victim.
Fixes:
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Darrick J. Wong
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f477af0cfa |
xfs: fix locking in xchk_nlinks_collect_dir
On a filesystem with parent pointers, xchk_nlinks_collect_dir walks both
the directory entries (data fork) and the parent pointers (attr fork) to
determine the correct link count. Unfortunately I forgot to update the
lock mode logic to handle the case of a directory whose attr fork is in
btree format and has not yet been loaded *and* whose data fork doesn't
need loading.
This leads to a bunch of assertions from xfs/286 in xfs_iread_extents
because we only took ILOCK_SHARED, not ILOCK_EXCL. You'd need the rare
happenstance of a directory with a large number of non-pptr extended
attributes set and enough memory pressure to cause the directory to be
evicted and partially reloaded from disk.
I /think/ this only started in 6.18-rc1 because I've started seeing OOM
errors with the maple tree slab using 70% of memory, and this didn't
happen in 6.17. Yay dynamic systems!
Cc: stable@vger.kernel.org # v6.10
Fixes:
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Darrick J. Wong
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3e7ec343f0 |
xfs: loudly complain about defunct mount options
Apparently we can never deprecate mount options in this project, because
it will invariably turn out that some foolish userspace depends on some
behavior and break. From Oleksandr Natalenko:
In v6.18, the attr2 XFS mount option is removed. This may silently
break system boot if the attr2 option is still present in /etc/fstab
for rootfs.
Consider Arch Linux that is being set up from scratch with / being
formatted as XFS. The genfstab command that is used to generate
/etc/fstab produces something like this by default:
/dev/sda2 on / type xfs (rw,relatime,attr2,discard,inode64,logbufs=8,logbsize=32k,noquota)
Once the system is set up and rebooted, there's no deprecation warning
seen in the kernel log:
# cat /proc/cmdline
root=UUID=77b42de2-397e-47ee-a1ef-4dfd430e47e9 rootflags=discard rd.luks.options=discard quiet
# dmesg | grep -i xfs
[ 2.409818] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled
[ 2.415341] XFS (sda2): Mounting V5 Filesystem 77b42de2-397e-47ee-a1ef-4dfd430e47e9
[ 2.442546] XFS (sda2): Ending clean mount
Although as per the deprecation intention, it should be there.
Vlastimil (in Cc) suggests this is because xfs_fs_warn_deprecated()
doesn't produce any warning by design if the XFS FS is set to be
rootfs and gets remounted read-write during boot. This imposes two
problems:
1) a user doesn't see the deprecation warning; and
2) with v6.18 kernel, the read-write remount fails because of unknown
attr2 option rendering system unusable:
systemd[1]: Switching root.
systemd-remount-fs[225]: /usr/bin/mount for / exited with exit status 32.
# mount -o rw /
mount: /: fsconfig() failed: xfs: Unknown parameter 'attr2'.
Thorsten (in Cc) suggested reporting this as a user-visible regression.
From my PoV, although the deprecation is in place for 5 years already,
it may not be visible enough as the warning is not emitted for rootfs.
Considering the amount of systems set up with XFS on /, this may
impose a mass problem for users.
Vlastimil suggested making attr2 option a complete noop instead of
removing it.
IOWs, the initrd mounts the root fs with (I assume) no mount options,
and mount -a remounts with whatever options are in fstab. However,
XFS doesn't complain about deprecated mount options during a remount, so
technically speaking we were not warning all users in all combinations
that they were heading for a cliff.
Gotcha!!
Now, how did 'attr2' get slurped up on so many systems? The old code
would put that in /proc/mounts if the filesystem happened to be in attr2
mode, even if user hadn't mounted with any such option. IOWs, this is
because someone thought it would be a good idea to advertise system
state via /proc/mounts.
The easy way to fix this is to reintroduce the four mount options but
map them to a no-op option that ignores them, and hope that nobody's
depending on attr2 to appear in /proc/mounts. (Hint: use the fsgeometry
ioctl). But we've learned our lesson, so complain as LOUDLY as possible
about the deprecation.
Lessons learned:
1. Don't expose system state via /proc/mounts; the only strings that
ought to be there are options *explicitly* provided by the user.
2. Never tidy, it's not worth the stress and irritation.
Reported-by: Vlastimil Babka <vbabka@suse.cz>
Reported-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: stable@vger.kernel.org # v6.18-rc1
Fixes:
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Darrick J. Wong
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630785bfbe |
xfs: always warn about deprecated mount options
The deprecation of the 'attr2' mount option in 6.18 wasn't entirely
successful because nobody noticed that the kernel never printed a
warning about attr2 being set in fstab if the only xfs filesystem is the
root fs; the initramfs mounts the root fs with no mount options; and the
init scripts only conveyed the fstab options by remounting the root fs.
Fix this by making it complain all the time.
Cc: stable@vger.kernel.org # v5.13
Fixes:
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Darrick J. Wong
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bd721ec7de |
xfs: don't set bt_nr_sectors to a negative number
xfs_daddr_t is a signed type, which means that xfs_buf_map_verify is
using a signed comparison. This causes problems if bt_nr_sectors is
never overridden (e.g. in the case of an xfbtree for rmap btree repairs)
because even daddr 0 can't pass the verifier test in that case.
Define an explicit max constant and set the initial bt_nr_sectors to a
positive value.
Found by xfs/422.
Cc: stable@vger.kernel.org # v6.18-rc1
Fixes:
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Christoph Hellwig
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0f41997b1b |
xfs: don't use __GFP_NOFAIL in xfs_init_fs_context
With enough debug options enabled, struct xfs_mount is larger
than 4k and thus NOFAIL allocations won't work for it.
xfs_init_fs_context is early in the mount process, and if we really
are out of memory there we'd better give up ASAP anyway.
Fixes:
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Christoph Hellwig
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ca3d643a97 |
xfs: cache open zone in inode->i_private
The MRU cache for open zones is unfortunately still not ideal, as it can
time out pretty easily when doing heavy I/O to hard disks using up most
or all open zones. One option would be to just increase the timeout,
but while looking into that I realized we're just better off caching it
indefinitely as there is no real downside to that once we don't hold a
reference to the cache open zone.
So switch the open zone to RCU freeing, and then stash the last used
open zone into inode->i_private. This helps to significantly reduce
fragmentation by keeping I/O localized to zones for workloads that
write using many open files to HDD.
Fixes:
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Christoph Hellwig
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a8c861f401 |
xfs: avoid busy loops in GCD
When GCD has no new work to handle, but read, write or reset commands
are outstanding, it currently busy loops, which is a bit suboptimal,
and can lead to softlockup warnings in case of stuck commands.
Change the code so that the task state is only set to running when work
is performed, which looks a bit tricky due to the design of the
reading/writing/resetting lists that contain both in-flight and finished
commands.
Fixes:
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Geert Uytterhoeven
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f5caeb3689 |
xfs: XFS_ONLINE_SCRUB_STATS should depend on DEBUG_FS
Currently, XFS_ONLINE_SCRUB_STATS selects DEBUG_FS. However, DEBUG_FS
is meant for debugging, and people may want to disable it on production
systems. Since commit
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Damien Le Moal
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b00bcb190e |
xfs: do not tightly pack-write large files
When using a zoned realtime device, tightly packing of data blocks belonging to multiple closed files into the same realtime group (RTG) is very efficient at improving write performance. This is especially true with SMR HDDs as this can reduce, and even suppress, disk head seeks. However, such tight packing does not make sense for large files that require at least a full RTG. If tight packing placement is applied for such files, the VM writeback thread switching between inodes result in the large files to be fragmented, thus increasing the garbage collection penalty later when the RTG needs to be reclaimed. This problem can be avoided with a simple heuristic: if the size of the inode being written back is at least equal to the RTG size, do not use tight-packing. Modify xfs_zoned_pack_tight() to always return false in this case. With this change, a multi-writer workload writing files of 256 MB on a file system backed by an SMR HDD with 256 MB zone size as a realtime device sees all files occupying exactly one RTG (i.e. one device zone), thus completely removing the heavy fragmentation observed without this change. Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Carlos Maiolino <cem@kernel.org> |
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Damien Le Moal
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914f377075 |
xfs: Improve CONFIG_XFS_RT Kconfig help
Improve the description of the XFS_RT configuration option to document that this option is required for zoned block devices. Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Signed-off-by: Carlos Maiolino <cem@kernel.org> |
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Linus Torvalds
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211ddde082 | Linux 6.18-rc2 v6.18-rc2 | ||
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Linus Torvalds
|
d9043c79ba |
- Make sure the check for lost pelt idle time is done unconditionally to
have correct lost idle time accounting - Stop the deadline server task before a CPU goes offline -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmj0yvsACgkQEsHwGGHe VUqiYRAAncYon7a++87nuCHIw2ktAcjn4PJTz0F1VGw9ZvcbWThUhNoA17jd4uOz XCzSH1rnHnlz359cJIzFwgVYjkBIaqT8GBN0al9ODra37laZCo89bKLmOeAlH81H 1xJXrDwn7U8dYBjgf6E6OGCdAx40kspCBxmpxrFW1VrGDvfNjEAKezm5GWeSED0Z umA93dBr82i4IvfARUkK8s35ctHyx+o+7lCvCSsKSJgM02WWrKqAA/lv6jFjIgdE 0UuYJv+5A2e1Iog2KNSbvSPn23VaMnsZtvXfJoRLFHEsNTiL9NliTnwrOY6xx0Z8 9+GUeWsbobKwcKSk4dctOh0g/4afNbxWe2aAPmScHJNHtXHSeejps+zy4xFCLTZn 2muHCdZ2zo6YSL+og4TQax+FnLYnGUtPFDOQYsNxv/Cp1H+cbgvG5Qp08XXt8Tfl Mt82g25GKklc28AN5Ui7FKTFmV2K363pV04YVZjXOwmxwiEYbwKw8gKfxi7CRW7S fl4nW6Kp8BFtJQxc/RCXDIiX3h0wRlTOmF5FzyFYxgdsmO5AdGqS9tqknLrV2NlH JVtj7alnrmCU34LwtTVfCvYQZiNd4IN+B6/htsL3AzrcLnqJz4O/T/Eyv9UL4yUs yvQuO+yStCyk0BFYaGM3/E0xp87NYjaLiHnpM2jia3DT3UT1t7Q= =uqJW -----END PGP SIGNATURE----- Merge tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Borislav Petkov: - Make sure the check for lost pelt idle time is done unconditionally to have correct lost idle time accounting - Stop the deadline server task before a CPU goes offline * tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Fix pelt lost idle time detection sched/deadline: Stop dl_server before CPU goes offline |
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Linus Torvalds
|
343b4b44a1 |
- Make sure perf reporting works correctly in setups using overlayfs or FUSE
- Move the uprobe optimization to a better location logically -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmj0x3YACgkQEsHwGGHe VUo6nQ/9E8LWC6PJG40QUXNZuj5qLe9VVaiWTW7w/zgeCf9nxkt6OhlOIu4fCMKz 6n5marqnvOoG9EXetUz5+n0wJvc9vDACESC0m6ESddaI4PGXULNJIsN2C5dR3UZ3 RULxaXvz9PVVkW3UIuM/U9az7fsG/ttH1rtrWQOsUYQZEO7vA9g+8KtASwnB7yBa 29WzVDYQIuHigdFPkVOuKBEdhslOjNjMM/N/shFOyFS62MGgwwFG/f4xv0c2GanJ 9gS2HPGhwOXLm8x/1Y6D8eKjiT5lvqZcDcRnui8bj7L7YGx+HU4PhRIIg7sBvGqA QQGolxA9Xo2BTufUTxEQK9v2fSvg0f9wuKbkDbRUdyUeWiZZjEeBM/m0AkzEEeKf FUrLCi3V/mN5J/sXSgIwjuCtYctwmsfaukL2bz6DB7feoTHceQmHunKCtBlDZtLE Md/4hzMNYM+T/3nx27quGz8Cepxn9PSObN7W+DddWr0TxOxg2Pq6iMbnd7MulueP K/AMvqDtbbVUB1XpsFvadRLcYUYYfXT9tiOCxa9O2w2NXDG8qeB6FZwScBaWuz1N 9GpKBhVMgZT8m0d3N8NoBi0+h32UVZnsJJ3UhHnceE8UyYf4kSO5L2K3nPHJa301 AavIPkH7+YOl5TAg6JlyYbRRdwfoUzxKUqY/hQ6Q8aLvwb2Jing= =huy7 -----END PGP SIGNATURE----- Merge tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Borislav Petkov: - Make sure perf reporting works correctly in setups using overlayfs or FUSE - Move the uprobe optimization to a better location logically * tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Fix MMAP2 event device with backing files perf/core: Fix MMAP event path names with backing files perf/core: Fix address filter match with backing files uprobe: Move arch_uprobe_optimize right after handlers execution |
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Linus Torvalds
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c7864eeaa4 |
- Reset the why-the-system-rebooted register on AMD to avoid stale bits
remaining from previous boots - Add a missing barrier in the TLB flushing code to prevent erroneously not flushing a TLB generation - Make sure cpa_flush() does not overshoot when computing the end range of a flush region - Fix resctrl bandwidth counting on AMD systems when the amount of monitoring groups created exceeds the number the hardware can track -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmj0xcIACgkQEsHwGGHe VUq+VA/+Jlb1/m3eBGupCDmfGjT+vhoJ+twfmUDwA4yo5RzABHPOk4y+Q+M5Kmxy yhOP+XbT5I2W4x/LNT5oSTHJyG5QbDLTs1Hvpbqan6BHD6PA+1mv5lfv/LtNqSK4 lDZbJeJElpmozhCD6qznLZjbooh1qP4RkpszAyUjd/Sns4TtAJbZ4IBfKCpCtSfx E2X6FW28jBDVzJdDjMm5UfI+7VJmLgA46XUAgEfYxwfIWeQkV28f31+xGch7WW4C u41fOo6AI4mzHpdKdwzn4GJdH46UfMg+E8CTcwODxvG40ttskilnfWvwnyCsPWbD nTU/ubzTrra8BpeuAYVhVxuBam0fRmZVcEtE59DjG1EhVrt3dEqfhMraHKxjvboW vlauvhzkG4lezTHLX8EqnqS7csq0ziBU8tcYCxRA4OKTGTp1y0VfSw/ra4uLY8NJ pkjS3KK0VNhD6zthbhtfZ0LaB3ms0eYaTZyPsLhzxwi0/Wm/LTWO+sKX9r9DPafp LqzdSdik5YSv2fepxjzVOh1FALvLm+At4sh4Z6NtzLVm2dDrsN31hLVEJL7FUkwi d6gVhlII7CNrlIuuC2EsSXymYTdpoMFdKGOoq0RxPz0StSKzkFTFt8lpfb5bdSq+ VVU8DDFwwQ2iAW2IaogOwItH+tbY15P0kU2RlYey2UHub+Ho1vI= =WMx2 -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Reset the why-the-system-rebooted register on AMD to avoid stale bits remaining from previous boots - Add a missing barrier in the TLB flushing code to prevent erroneously not flushing a TLB generation - Make sure cpa_flush() does not overshoot when computing the end range of a flush region - Fix resctrl bandwidth counting on AMD systems when the amount of monitoring groups created exceeds the number the hardware can track * tag 'x86_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/CPU/AMD: Prevent reset reasons from being retained across reboot x86/mm: Fix SMP ordering in switch_mm_irqs_off() x86/mm: Fix overflow in __cpa_addr() x86/resctrl: Fix miscount of bandwidth event when reactivating previously unavailable RMID |
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Linus Torvalds
|
1c64efcb08 |
Rust 'rustfmt' cleanup
'rustfmt', by default, formats imports in a way that is prone to conflicts while merging and rebasing, since in some cases it condenses several items into the same line. Document in our guidelines that we will handle this for the moment with the trailing empty comment workaround and make the tree 'rustfmt'-clean again. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPjU5OPd5QIZ9jqqOGXyLc2htIW0FAmjzy+0ACgkQGXyLc2ht IW2K9BAAmdHFQlI5kE2qFBVrk5JeTBmr/3GJ7wzPXKgQ/XdKgYILK5qx8SaqXo95 RXnGSFzPXmVx1xds5NojVqJ65gnoyL9KK4qsxFOUVVoH2vjSWXL5DFrRDcVKFlGY IRlsdRBGdX8/M6gPgLAy2m2eEeNgrwEA/xcWgfvZhI7CILSfvXDNKfGvnzg0mRHp cssYtKTACwzE3/uJUA8lX+HAWNrb1aijEUlvfK5K9CMYwP9wFXzXy1eI2kJ4Yzvx aqiK1vvieAl4gbLAoCD513nSxCQaUzpuHJvELA6bVa8uJ5GtWcuCA9U8qn8zcaaG tOmC/kF/+5jNwc4/4wCSHhcQD+1qaXZVQjeMBYsObqFv7ixabOlxVfGk/oDbAHEI BAtWsqHFMhQlo/E/YdH0palVhvslecnoAhTzURwL9231Sqp6ZeQl5ESya8ArmMFB SFeYMHtDhA557pA4G3R88IIVS+xWklNOVtcW1+c+YnW4d+Sb77aU9E78VKYmH0mt 5rYB0ni09rcDBNRGUSy7fscfUV5ItJd/lccwjRGasM0LzZ6KoMWE2B0Cww5vG27W FXQ9hTsn1q92XY3AFiqR5IBiztNLZfjFEq6HAVSQrmXgHJ53ZT/0oFRcObYAsr49 AjoLzkHcevdj7EUdm9q1o/KVk+t+bkDYjmb3kRgHVOwdekK/Jk8= =44ap -----END PGP SIGNATURE----- Merge tag 'rust-rustfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux Pull rustfmt fixes from Miguel Ojeda: "Rust 'rustfmt' cleanup 'rustfmt', by default, formats imports in a way that is prone to conflicts while merging and rebasing, since in some cases it condenses several items into the same line. Document in our guidelines that we will handle this for the moment with the trailing empty comment workaround and make the tree 'rustfmt'-clean again" * tag 'rust-rustfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: rust: bitmap: fix formatting rust: cpufreq: fix formatting rust: alloc: employ a trailing comment to keep vertical layout docs: rust: add section on imports formatting |
||
|
Linus Torvalds
|
648937f64a |
Hi,
If possible, could you still pick this change for v6.18 [1]? The change in question corrects the state transitions for ARM FF-A to match the spec and how tpm_crb behaves on other platforms. [1] https://lore.kernel.org/linux-integrity/aPN59bwcUrieMACf@kernel.org/ BR, Jarkko -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRE6pSOnaBC00OEHEIaerohdGur0gUCaPN84QAKCRAaerohdGur 0q4SAQD0o1dG70qraZjVU+xySiz/jGb04d49A/LxKJj/LIXxPQD/W3xjulnS3S25 rWoIn7wO6NeiGUiUPSnCEc6LDIOYYQA= =wbvF -----END PGP SIGNATURE----- Merge tag 'tpmdd-next-v6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd Pull tpm fix from Jarkko Sakkinen: "Correct the state transitions for ARM FF-A to match the spec and how tpm_crb behaves on other platforms" * tag 'tpmdd-next-v6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: tpm_crb: Add idle support for the Arm FF-A start method |
||
|
Linus Torvalds
|
e67bb0da33 |
pci-v6.18-fixes-2
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||
|
Linus Torvalds
|
ea0bdf2b94 |
cxl fixes for v6.18-rc2
- Avoid missing port component registers setup due to dport enumeration
failure
- Add check for no entries in cxl_feature_info to address accessing
invalid pointer.
- Use %pa printk format to emit resource_size_t in
validate_region_offset()
CXL extended linear cache support fixes:
- Fix setup of memory resource in cxl_acpi_set_cache_size()
- Set range param for region_res_match_cxl_range() as const.
(Addresses a compile warning for match_region_by_range() fix)
- Fix match_region_by_range() to use region_res_match_cxl_range()
- Subtract to find an hpa_alias0 in cxl_poison events to correct
the alias math calculation.
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Merge tag 'cxl-fixes-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link fixes from Dave Jiang:
"A small collection of CXL fixes. In addition to some misc fixes for
the CXL subsystem, a number of fixes for CXL extended linear cache
support are included to make it functional again.
- Avoid missing port component registers setup due to dport
enumeration failure
- Add check for no entries in cxl_feature_info to address accessing
invalid pointer.
- Use %pa printk format to emit resource_size_t in
validate_region_offset()
CXL extended linear cache support fixes:
- Fix setup of memory resource in cxl_acpi_set_cache_size()
- Set range param for region_res_match_cxl_range() as const
(addresses a compile warning for match_region_by_range() fix)
- Fix match_region_by_range() to use region_res_match_cxl_range()
- Subtract to find an hpa_alias0 in cxl_poison events to correct the
alias math calculation"
* tag 'cxl-fixes-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/trace: Subtract to find an hpa_alias0 in cxl_poison events
cxl/region: Use %pa printk format to emit resource_size_t
cxl: Fix match_region_by_range() to use region_res_match_cxl_range()
cxl: Set range param for region_res_match_cxl_range() as const
cxl/acpi: Fix setup of memory resource in cxl_acpi_set_cache_size()
cxl/features: Add check for no entries in cxl_feature_info
cxl/port: Avoid missing port component registers setup
|
||
|
Linus Torvalds
|
2953fb6548 |
hid-for-linus-2025101701
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||
|
Linus Torvalds
|
d303caf5ca |
bpf-fixes
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||
|
Linus Torvalds
|
847f242f7a |
Description for this pull request:
- Fix out-of-bounds in FS_IOC_SETFSLABEL. - Add validation for stream entry valid size to prevent infinite loop. -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEE6NzKS6Uv/XAAGHgyZwv7A1FEIQgFAmjy83gWHGxpbmtpbmpl b25Aa2VybmVsLm9yZwAKCRBnC/sDUUQhCLoTD/sEUM1PpRJmSBRzH+9Le/tSAjK7 M0MSLkryRvvFKdigCCtHD5LLoNJrc+i4bP6AgTO9l0PJ5OlAwxAQ1Qh4mAOIfazk ahpw/WzI1B/qC28zuKepFJS3x05InACb5pwv293AwgEiS/ROfpfAJQ8NGp54cWFm ge7/jBU19BX1HLC7PSleNStdwSi+oEKz7twtl+7n5kvgzi3eTJWnXGhYJWDGwpYY n9OZQBELliGhLnzeuDuGXddpVKQ0jbH+kchQ7dJAiN3jYq7FeYEsrapFmuae2r+N MEjEoKg4pmuf3z3Iru+XQ30xGCOs2lKz9LfowxRcl5xTqxmH5XxqZZF/UdQITXh0 VYLRjhSfA5Fp2kUHmPayvkLHkzILzNjSF1Vqhk2En2C99RSywcJkvaFr5cnE3v3a gueO8eZ+QRSXQVpKCTHS98wPcJrnzPXSTpwF9uKSHKBzNWIee3tLHRZb1nvUuHKo bNB2iEDwracb5eEpOoa+7L0VOS8M6sFnAveWF9yNVR9vG36Cs7eXtrFIk/xQmr2s FlqjPpx1xWodnE9IxrJi8qSJxAgJtrO6UG1gut7lBK6RHIhkt2B7YUQPr30V8zVx f3FszNERZe/D/bvgM5WHyoieMnp5sZAxq0f7pk+2pOTIqvlbojWCAGoqP2P6BN2Y mu9lnM3D6k/GfLNbww== =A0dK -----END PGP SIGNATURE----- Merge tag 'exfat-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat Pull exfat fixes from Namjae Jeon: - Fix out-of-bounds in FS_IOC_SETFSLABEL - Add validation for stream entry size to prevent infinite loop * tag 'exfat-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat: exfat: fix out-of-bounds in exfat_nls_to_ucs2() exfat: fix improper check of dentry.stream.valid_size |
||
|
Linus Torvalds
|
2d07c6c209 |
NFS Client Bugfixes for Linux 6.18-rc
Bugfixes: * Fix for FlexFiles mirror->dss allocation * Apply delay_retrans to async operations * Check if suid/sgid is cleared after a write when needed * Fix setting the state renewal timer for early mounts after a reboot -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAmjyqWYACgkQ18tUv7Cl QOuuhBAAtW3JjqOvuJdUKqLnvEB7p9MJCbJuLvxu3IncS7LR4ApMthogQNws/kYH sU44KZh1lIe0G6juYTR4SmpwuJ1VbPJ7tZ+ZAssfp29mLQu3txybK9o21jZMu+jH qjPRH4VIbfJot77lhBykSk+JzpxQMC89JaZbC5sgATHfTstQPiHtBSQ7zwC5EY8f dBmh2mlhRbBsblHw6KZq5QhNR6E1XsXMWGE8GoyzQR4QAWTNOtM+QIBkUapREODG 4HCnW/7JEUNuaAAYMovqqxv+qGC/axEEjZdVEGyiOvliSIs9RM2CCSQnDZQ619DI xCV3Qxvbsr22dDX5O127If/vXNisWJM7JzB65yX2y0ZlAAIoDX6XwADDtnvMlHPX KI+CqwGyk41Wwc9F6WPOL+NUwaqCcVumeDGBSZ5LFN4uqR1SeSfztAVqgtDU++u4 cePZlNXwob5BlzfqF8DG5uGagxirXIiwOo6N63xSCWuU0NMwfdi7wrMLi/cfFqeg xCyB6mSm+BE6qSwppzSupHxwuQH0RzOSsSAQArKarEICnQfmgKAd98r6fDkRffJQ mrfUGMF/bvf7kDyv9kywjFw+KPWr0DNWRjFaLF9gcIxyI6Ml5HDFVzkK7WpI0dou N/rO/XGjNt8mVYgAG1BgFRXwSE2NRufNbQTygVUfe7coBSjth+Y= =p2V5 -----END PGP SIGNATURE----- Merge tag 'nfs-for-6.18-2' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client fixes from Anna Schumaker: - Fix for FlexFiles mirror->dss allocation - Apply delay_retrans to async operations - Check if suid/sgid is cleared after a write when needed - Fix setting the state renewal timer for early mounts after a reboot * tag 'nfs-for-6.18-2' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFS4: Fix state renewals missing after boot NFS: check if suid/sgid was cleared after a write as needed NFS4: Apply delay_retrans to async operations NFSv4/flexfiles: fix to allocate mirror->dss before use |
||
|
Linus Torvalds
|
4ccb3a8000 |
smb client fixes and some clealup
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Merge tag '6.18-rc1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"smb client fixes, security and smbdirect improvements, and some minor cleanup:
- Important OOB DFS fix
- Fix various potential tcon refcount leaks
- smbdirect (RDMA) fixes (following up from test event a few weeks
ago):
- Fixes to improve and simplify handling of memory lifetime of
smbdirect_mr_io structures, when a connection gets disconnected
- Make sure we really wait to reach SMBDIRECT_SOCKET_DISCONNECTED
before destroying resources
- Make sure the send/recv submission/completion queues are large
enough to avoid ib_post_send() from failing under pressure
- convert cifs.ko to use the recommended crypto libraries (instead of
crypto_shash), this also can improve performance
- Three small cleanup patches"
* tag '6.18-rc1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
smb: client: Consolidate cmac(aes) shash allocation
smb: client: Remove obsolete crypto_shash allocations
smb: client: Use HMAC-MD5 library for NTLMv2
smb: client: Use MD5 library for SMB1 signature calculation
smb: client: Use MD5 library for M-F symlink hashing
smb: client: Use HMAC-SHA256 library for SMB2 signature calculation
smb: client: Use HMAC-SHA256 library for key generation
smb: client: Use SHA-512 library for SMB3.1.1 preauth hash
cifs: parse_dfs_referrals: prevent oob on malformed input
smb: client: Fix refcount leak for cifs_sb_tlink
smb: client: let smbd_destroy() wait for SMBDIRECT_SOCKET_DISCONNECTED
smb: move some duplicate definitions to common/cifsglob.h
smb: client: let destroy_mr_list() keep smbdirect_mr_io memory if registered
smb: client: let destroy_mr_list() call ib_dereg_mr() before ib_dma_unmap_sg()
smb: client: call ib_dma_unmap_sg if mr->sgt.nents is not 0
smb: client: improve logic in smbd_deregister_mr()
smb: client: improve logic in smbd_register_mr()
smb: client: improve logic in allocate_mr_list()
smb: client: let destroy_mr_list() remove locked from the list
smb: client: let destroy_mr_list() call list_del(&mr->list)
...
|
||
|
Linus Torvalds
|
02e5f74ef0 |
ARM:
- Fix the handling of ZCR_EL2 in NV VMs - Pick the correct translation regime when doing a PTW on the back of a SEA - Prevent userspace from injecting an event into a vcpu that isn't initialised yet - Move timer save/restore to the sysreg handling code, fixing EL2 timer access in the process - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug - Fix trapping configuration when the host isn't GICv3 - Improve the detection of HCR_EL2.E2H being RES1 - Drop a spurious 'break' statement in the S1 PTW - Don't try to access SPE when owned by EL3 Documentation updates: - Document the failure modes of event injection - Document that a GICv3 guest can be created on a GICv5 host with FEAT_GCIE_LEGACY Selftest improvements: - Add a selftest for the effective value of HCR_EL2.AMO - Address build warning in the timer selftest when building with clang - Teach irqfd selftests about non-x86 architectures - Add missing sysregs to the set_id_regs selftest - Fix vcpu allocation in the vgic_lpi_stress selftest - Correctly enable interrupts in the vgic_lpi_stress selftest x86: - Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test for the bug fixed by commit |
||
|
Linus Torvalds
|
0e622c4b0e |
powerpc fixes for 6.18 #2
- Fix to handle NULL pointer dereference at irq domain teardown - Fix for handling extraction of struct xive_irq_data - Fix to skip parameter area allocation when fadump disabled Thanks to: Ganesh Goudar, Hari Bathini, Nam Cao, Ritesh Harjani (IBM) Sourabh Jain, Venkat Rao Bagalkote, -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmjzbw8ACgkQpnEsdPSH ZJQRQQ//S+NgNrn7KloQ28W+zLauH1GZKTkAwR3D8M1wFWwkM4guyxhHVCagxO6d dL1Hs4dUzoCfum6qw2/E0Jc/4ul7YLv3QeiTyz6UwytrZOHeUy7WvPUtksb22+Hk FSdUP/hD2td8SP1V4vsJVuK58DieiwNMpXvPssnq9wmCJoepKNdc3TTFSIRWji92 PfL9ooYwoT5flW7nvf7Tx0ZbfL1pEIbTjEufsQOINofTadZnOfSvJoq0zYf5VFFF 8v1YDOqWfBvWJWR0eLLdS8S0tWLIf6e8h6cQkWIninvsVU1LtWhcbGiq1xD3BTFl RYCTkUzNjFAf0lvkjfheXylqKZhoDglfGsHQhADCL0cCtSbRCUYkz24+n7m7se3Y 0hj1Xs3hi4ELH/i5m6VZqL3sEsXnOLOfA8fD9mhDCy+33RK5jMNdNhTjTLsSmW1T m0E7gF6Yt16BTggWuQJREXtEVCQbQOxhDZwuG4tw3bAU3VAuyUbkVggS9Fadb81Q klTGTAY8s3BxTzjVzeQByhOCtpyRgkKX3UEYH2CwGHi5NbpcSKlQx7q7JuxenkP4 aOY9A1oCc4H/vjM2hUOtdu9wUO4hxMrGwv8Nk0dJFFGOJLS/ArdXTvcayrX2J8I9 Rnkd+ztef8n7lkVjjl82WrRD/gIDMFXZQvsos0nHTS+pRdMX2mk= =YUzr -----END PGP SIGNATURE----- Merge tag 'powerpc-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Madhavan Srinivasan: - Fix to handle NULL pointer dereference at irq domain teardown - Fix for handling extraction of struct xive_irq_data - Fix to skip parameter area allocation when fadump disabled Thanks to Ganesh Goudar, Hari Bathini, Nam Cao, Ritesh Harjani (IBM), Sourabh Jain, and Venkat Rao Bagalkote, * tag 'powerpc-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/fadump: skip parameter area allocation when fadump is disabled powerpc, ocxl: Fix extraction of struct xive_irq_data powerpc/pseries/msi: Fix NULL pointer dereference at irq domain teardown |
||
|
Linus Torvalds
|
959f018f97 |
slab fixes for 6.18-rc2
-----BEGIN PGP SIGNATURE----- iQFPBAABCAA5FiEEe7vIQRWZI0iWSE3xu+CwddJFiJoFAmjx/QwbFIAAAAAABAAO bWFudTIsMi41KzEuMTEsMiwyAAoJELvgsHXSRYiaTjQH/RIp1LU+WQTEREzU/BnU WLvPPDq/p/xy3uYFx8KaUx7gzu0p1kjvIC/7PBVf4uw4KdfC+mg6MIuM99e9rAkk LIVEko58iza0t+y0gX8DqGbYItumhafjzL/OdPKEdRzPWcWNzNMQyGfo/k1gDPF4 x9mBBuwnASLM7oCCenAmo0UpE6+Tf+gy9kYpN7QQ5+ZDk41DSbMx5wmU9SQu3I0u H3VYEiC57QMEo3Bdh+H0XqmvSXOew0u/pPmHLJncEM0nNiKeC3c+Rh9rLER8B7P/ hqtkGoSIwI2yjIZq3frpHV9yr4sRKQS7/Plu7C4smo1Z0afBzBrDL0UfzNWZQmxj mGs= =jd8H -----END PGP SIGNATURE----- Merge tag 'slab-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab fixes from Vlastimil Babka: - Fixes for two bugs that can be triggered when debugging options are enabled (Hao Ge, Vlastimil Babka) * tag 'slab-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: slab: reset slab->obj_ext when freeing and it is OBJEXTS_ALLOC_FAIL slab: fix clearing freelist in free_deferred_objects() |
||
Stuart Yoder
|
dbfdaeb381 |
tpm_crb: Add idle support for the Arm FF-A start method
According to the CRB over FF-A specification [1], a TPM that implements the ABI must comply with the TCG PTP specification. This requires support for the Idle and Ready states. This patch implements CRB control area requests for goIdle and cmdReady on FF-A based TPMs. The FF-A message used to notify the TPM of CRB updates includes a locality parameter, which provides a hint to the TPM about which locality modified the CRB. This patch adds a locality parameter to __crb_go_idle() and __crb_cmd_ready() to support this. [1] https://developer.arm.com/documentation/den0138/latest/ Signed-off-by: Stuart Yoder <stuart.yoder@arm.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> |
||
Paolo Bonzini
|
4361f5aa8b |
KVM x86 fixes for 6.18:
- Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test for the
bug fixed by commit
|
||
|
Paolo Bonzini
|
5d26eaae15 |
KVM/arm64 fixes for 6.18, take #1
Improvements and bug fixes: - Fix the handling of ZCR_EL2 in NV VMs (20250926194108.84093-1-oliver.upton@linux.dev) - Pick the correct translation regime when doing a PTW on the back of a SEA (20250926224246.731748-1-oliver.upton@linux.dev) - Prevent userspace from injecting an event into a vcpu that isn't initialised yet (20250930085237.108326-1-oliver.upton@linux.dev) - Move timer save/restore to the sysreg handling code, fixing EL2 timer access in the process (20250929160458.3351788-1-maz@kernel.org) - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug (20250924235150.617451-1-oliver.upton@linux.dev) - Fix trapping configuration when the host isn't GICv3 (20251007160704.1673584-1-sascha.bischoff@arm.com) - Improve the detection of HCR_EL2.E2H being RES1 (20251009121239.29370-1-maz@kernel.org) - Drop a spurious 'break' statement in the S1 PTW (20250930135621.162050-1-osama.abdelkader@gmail.com) - Don't try to access SPE when owned by EL3 (20251010174707.1684200-1-mukesh.ojha@oss.qualcomm.com) Documentation updates: - Document the failure modes of event injection (20250930233620.124607-1-oliver.upton@linux.dev) - Document that a GICv3 guest can be created on a GICv5 host with FEAT_GCIE_LEGACY (20251007154848.1640444-1-sascha.bischoff@arm.com) Selftest improvements: - Add a sesttest for the effective value of HCR_EL2.AMO (20250926224454.734066-1-oliver.upton@linux.dev) - Address build warning in the timer selftest when building with clang (20250926155838.2612205-1-seanjc@google.com) - Teach irq_fd selftests about non-x86 architectures (20250930193301.119859-1-oliver.upton@linux.dev) - Add missing sysregs to the set_id_regs selftest (20251012154352.61133-1-zenghui.yu@linux.dev) - Fix vcpu allocation in the vgic_lpi_stress selftest (20251008154520.54801-1-zenghui.yu@linux.dev) - Correctly enable interrupts in the vgic_lpi_stress selftest (20251007195254.260539-1-oliver.upton@linux.dev) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAmjuPmEACgkQI9DQutE9 ekPsvhAAnvqnMtZA/4PkW7JemIBZQYKEiMWrSnsdxj+0wDYN0wvyT1Bwrnqr/QLi i+4eBNCqiydxQrIg3nocmd4mtmfTZAZfwYPuYOW2Z5j2eJ1+xkkiacbCJZZTRXR1 mzLhZ/kFWBHf37OhluMQjaCWokiBQN3H699Sxs7GXZT/KpWz3EunjtBAe2oinUUX so0j5NSYHiTNON8VSfNwLi9HXEMmEZVvuao7TMaN0xUQIM0Kvlic6XzbvCvSga9S gldsmab5JtN3N/ZSCsYTn5Cr2TctbQVxwgH2QVdPADzImbu+nxI4r4f7MCL6lNYw AueVHzYSFAJHieebd10ZF1tiJVar2cQ9wVc4JwDfaZv4TwCcv6SHzBaxFf26LuSN uVVRCwOZRoewXI2k57Sp6TU/uhzc11tSK4hZTt/tUY5AG7zraEC4c0flbjhfhngp FCssLsfQiPBmAOhsxBnUvYDf8WXlrhvfhZLGSmfPrO9fxL5Yd8dU6nvuAjtvjLG7 8579QqAtllo9yxV3na5GTtdBDlloWXl1yIzrGVW21UoAd23kXFcKFmnZoGKbvw6F yccCCU2bZ3s4USH9h4fJJqYDfi01LQsU219G8m696zD76oeMnt8/TZvD2/atZIBR uF/nd71btHP+mHC4aKScWERGt0edZEJeP71G+1OubOgPG+q6+Cs= =DOeP -----END PGP SIGNATURE----- Merge tag 'kvmarm-fixes-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 6.18, take #1 Improvements and bug fixes: - Fix the handling of ZCR_EL2 in NV VMs (20250926194108.84093-1-oliver.upton@linux.dev) - Pick the correct translation regime when doing a PTW on the back of a SEA (20250926224246.731748-1-oliver.upton@linux.dev) - Prevent userspace from injecting an event into a vcpu that isn't initialised yet (20250930085237.108326-1-oliver.upton@linux.dev) - Move timer save/restore to the sysreg handling code, fixing EL2 timer access in the process (20250929160458.3351788-1-maz@kernel.org) - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug (20250924235150.617451-1-oliver.upton@linux.dev) - Fix trapping configuration when the host isn't GICv3 (20251007160704.1673584-1-sascha.bischoff@arm.com) - Improve the detection of HCR_EL2.E2H being RES1 (20251009121239.29370-1-maz@kernel.org) - Drop a spurious 'break' statement in the S1 PTW (20250930135621.162050-1-osama.abdelkader@gmail.com) - Don't try to access SPE when owned by EL3 (20251010174707.1684200-1-mukesh.ojha@oss.qualcomm.com) Documentation updates: - Document the failure modes of event injection (20250930233620.124607-1-oliver.upton@linux.dev) - Document that a GICv3 guest can be created on a GICv5 host with FEAT_GCIE_LEGACY (20251007154848.1640444-1-sascha.bischoff@arm.com) Selftest improvements: - Add a selftest for the effective value of HCR_EL2.AMO (20250926224454.734066-1-oliver.upton@linux.dev) - Address build warning in the timer selftest when building with clang (20250926155838.2612205-1-seanjc@google.com) - Teach irq_fd selftests about non-x86 architectures (20250930193301.119859-1-oliver.upton@linux.dev) - Add missing sysregs to the set_id_regs selftest (20251012154352.61133-1-zenghui.yu@linux.dev) - Fix vcpu allocation in the vgic_lpi_stress selftest (20251008154520.54801-1-zenghui.yu@linux.dev) - Correctly enable interrupts in the vgic_lpi_stress selftest (20251007195254.260539-1-oliver.upton@linux.dev) |
||
|
Linus Torvalds
|
f406055cb1 |
arm64 fixes:
- Explicitly encode the XZR register if the value passed to
write_sysreg_s() is 0. The GIC CDEOI instruction is encoded as a
system register write with XZR as the source register. However, clang
does not honour the "Z" register constraint, leading to incorrect
code generation
- Ensure the interrupts (DAIF.IF) are unmasked when completing
single-step of a suspended breakpoint before calling
exit_to_user_mode(). With pseudo-NMIs, interrupts are (additionally)
masked at the PMR_EL1 register, handled by local_irq_*()
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Explicitly encode the XZR register if the value passed to
write_sysreg_s() is 0.
The GIC CDEOI instruction is encoded as a system register write with
XZR as the source register. However, clang does not honour the "Z"
register constraint, leading to incorrect code generation
- Ensure the interrupts (DAIF.IF) are unmasked when completing
single-step of a suspended breakpoint before calling
exit_to_user_mode().
With pseudo-NMIs, interrupts are (additionally) masked at the PMR_EL1
register, handled by local_irq_*()
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: debug: always unmask interrupts in el0_softstp()
arm64/sysreg: Fix GIC CDEOI instruction encoding
|
||
|
Linus Torvalds
|
fe69107ec7 |
RISC-V updates for v6.18-rc2
Some RISC-V fixes for v6.18-rc2, including changes to: - Disable CFI with Rust for any platform other than x86 and ARM64 - Keep task mm_cpumasks up-to-date to avoid triggering M-mode firmware warnings if the kernel tries to send an IPI to an offline CPU - Improve kprobe address validation performance and avoid desyncs (following x86) - Avoid duplicate device probes by avoiding DT hardware probing when ACPI is enabled in early boot - Use the correct set of dependencies for CONFIG_ARCH_HAS_ELF_CORE_EFLAGS, avoiding an allnoconfig warning - Fix a few other minor issues -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEElRDoIDdEz9/svf2Kx4+xDQu9KksFAmjx8FsACgkQx4+xDQu9 KkuXEQ/7BDWfsM7XReMU1Nt8nUXsJRXxM8USSkJR0jx7+kHPSkOXOTeT5I0oz2kX 1CE5OEReZUlbKEkbmdBaHgO+oqAOzPWQhLtA4Cx+t0Tzj5ruCEA0jh1Z0jP42OFT gKQjuJoLIavNYplER+HRdOELdnQgdaoqfys7Ym6j0ReXpRnJ1mB9M/9PCqM+9t7Z QQGIJk8sUeAeeedtsEs3db7KmjZalBX16/BnDq2SV8lqgQRfDps94yIFzH8FVc6h 641oATm9CJQFii8Vm356ndEpp9ta7jjkPVJbzvXsIv8GE+RoSrm2fiYB1PsZaU3Q C+pGMxVu/y3xImJTIJUFp250b/p4u5AIbUDdFIKKE/Szp8J/Svue6ojlT9LvKaEl Ontc/XIVJ9s5bf+oB+L9HUqH+LEdui4edD3Ovy2DurSTXfvzkr2AD8f93fziHfnI VyUUhludzMCRv3X2oAqvc3qrUEtilJb0tATAiJYpmWDI/RQLF3bTSaaurqrq1l9L HOehShBRnVXmDHhoxzRzh+FHFfViSPYOqA0SEjMjIPobN60zxULNohMjyFndA8jO MD1QrJqgRKNCBBmtmZadzeXksKTgCtPtR+isnDahS8o7q0UOhDeZliQqyHq++SsH sd+28DnZY0evVpOW7+nuxwlMu7jzEduMsDuqRgTpBx2GbkYkQd4= =ZOFG -----END PGP SIGNATURE----- Merge tag 'riscv-for-linux-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Paul Walmsley: - Disable CFI with Rust for any platform other than x86 and ARM64 - Keep task mm_cpumasks up-to-date to avoid triggering M-mode firmware warnings if the kernel tries to send an IPI to an offline CPU - Improve kprobe address validation performance and avoid desyncs (following x86) - Avoid duplicate device probes by avoiding DT hardware probing when ACPI is enabled in early boot - Use the correct set of dependencies for CONFIG_ARCH_HAS_ELF_CORE_EFLAGS, avoiding an allnoconfig warning - Fix a few other minor issues * tag 'riscv-for-linux-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: kprobes: convert one final __ASSEMBLY__ to __ASSEMBLER__ riscv: Respect dependencies of ARCH_HAS_ELF_CORE_EFLAGS riscv: acpi: avoid errors caused by probing DT devices when ACPI is used riscv: kprobes: Fix probe address validation riscv: entry: fix typo in comment 'instruciton' -> 'instruction' RISC-V: clear hot-unplugged cores from all task mm_cpumasks to avoid rfence errors riscv: kgdb: Ensure that BUFMAX > NUMREGBYTES rust: cfi: only 64-bit arm and x86 support CFI_CLANG |
||
Brahmajit Das
|
a1e83d4c03 |
selftests/bpf: Fix redefinition of 'off' as different kind of symbol
This fixes the following build error
CLNG-BPF [test_progs] verifier_global_ptr_args.bpf.o
progs/verifier_global_ptr_args.c:228:5: error: redefinition of 'off' as
different kind of symbol
228 | u32 off;
| ^
The symbol 'off' was previously defined in
tools/testing/selftests/bpf/tools/include/vmlinux.h, which includes an
enum i40e_ptp_gpio_pin_state from
drivers/net/ethernet/intel/i40e/i40e_ptp.c:
enum i40e_ptp_gpio_pin_state {
end = -2,
invalid = -1,
off = 0,
in_A = 1,
in_B = 2,
out_A = 3,
out_B = 4,
};
This enum is included when CONFIG_I40E is enabled. As of commit
|
||
Sahil Chandna
|
7c33e97a6e |
bpf: Do not disable preemption in bpf_test_run().
The timer mode is initialized to NO_PREEMPT mode by default, this disables preemption and force execution in atomic context causing issue on PREEMPT_RT configurations when invoking spin_lock_bh(), leading to the following warning: BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6107, name: syz.0.17 preempt_count: 1, expected: 0 RCU nest depth: 1, expected: 1 Preemption disabled at: [<ffffffff891fce58>] bpf_test_timer_enter+0xf8/0x140 net/bpf/test_run.c:42 Fix this, by removing NO_PREEMPT/NO_MIGRATE mode check. Also, the test timer context no longer needs explicit calls to migrate_disable()/migrate_enable() with rcu_read_lock()/rcu_read_unlock(). Use helpers rcu_read_lock_dont_migrate() and rcu_read_unlock_migrate() instead. Reported-by: syzbot+1f1fbecb9413cdbfbef8@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=1f1fbecb9413cdbfbef8 Suggested-by: Yonghong Song <yonghong.song@linux.dev> Suggested-by: Menglong Dong <menglong.dong@linux.dev> Acked-by: Yonghong Song <yonghong.song@linux.dev> Tested-by: syzbot+1f1fbecb9413cdbfbef8@syzkaller.appspotmail.com Co-developed-by: Brahmajit Das <listout@listout.xyz> Signed-off-by: Brahmajit Das <listout@listout.xyz> Signed-off-by: Sahil Chandna <chandna.sahil@gmail.com> Link: https://lore.kernel.org/r/20251014185635.10300-1-chandna.sahil@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
Ada Couprie Diaz
|
ea0d55ae4b |
arm64: debug: always unmask interrupts in el0_softstp()
We intend that EL0 exception handlers unmask all DAIF exceptions
before calling exit_to_user_mode().
When completing single-step of a suspended breakpoint, we do not call
local_daif_restore(DAIF_PROCCTX) before calling exit_to_user_mode(),
leaving all DAIF exceptions masked.
When pseudo-NMIs are not in use this is benign.
When pseudo-NMIs are in use, this is unsound. At this point interrupts
are masked by both DAIF.IF and PMR_EL1, and subsequent irq flag
manipulation may not work correctly. For example, a subsequent
local_irq_enable() within exit_to_user_mode_loop() will only unmask
interrupts via PMR_EL1 (leaving those masked via DAIF.IF), and
anything depending on interrupts being unmasked (e.g. delivery of
signals) will not work correctly.
This was detected by CONFIG_ARM64_DEBUG_PRIORITY_MASKING.
Move the call to `try_step_suspended_breakpoints()` outside of the check
so that interrupts can be unmasked even if we don't call the step handler.
Fixes:
|
||
Lorenzo Pieralisi
|
e9ad390a48 |
arm64/sysreg: Fix GIC CDEOI instruction encoding
The GIC CDEOI system instruction requires the Rt field to be set to 0b11111
otherwise the instruction behaviour becomes CONSTRAINED UNPREDICTABLE.
Currenly, its usage is encoded as a system register write, with a constant
0 value:
write_sysreg_s(0, GICV5_OP_GIC_CDEOI)
While compiling with GCC, the 0 constant value, through these asm
constraints and modifiers ('x' modifier and 'Z' constraint combo):
asm volatile(__msr_s(r, "%x0") : : "rZ" (__val));
forces the compiler to issue the XZR register for the MSR operation (ie
that corresponds to Rt == 0b11111) issuing the right instruction encoding.
Unfortunately LLVM does not yet understand that modifier/constraint
combo so it ends up issuing a different register from XZR for the MSR
source, which in turns means that it encodes the GIC CDEOI instruction
wrongly and the instruction behaviour becomes CONSTRAINED UNPREDICTABLE
that we must prevent.
Add a conditional to write_sysreg_s() macro that detects whether it
is passed a constant 0 value and issues an MSR write with XZR as source
register - explicitly doing what the asm modifier/constraint is meant to
achieve through constraints/modifiers, fixing the LLVM compilation issue.
Fixes:
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Linus Torvalds
|
6f3b6e91f7 |
io_uring-6.18-20251016
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Linus Torvalds
|
0c8df15f75 |
block-6.18-20251016
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Merge tag 'block-6.18-20251016' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- iostats accounting fixed on multipath retries (Amit)
- secure concatenation response fixup (Martin)
- tls partial record fixup (Wilfred)
- Fix for a lockdep reported issue with the elevator lock and
blk group frozen operations
- Fix for a regression in this merge window, where updating
'nr_requests' would not do the right thing for queues with
shared tags
* tag 'block-6.18-20251016' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
nvme/tcp: handle tls partially sent records in write_space()
block: Remove elevator_lock usage from blkg_conf frozen operations
blk-mq: fix stale tag depth for shared sched tags in blk_mq_update_nr_requests()
nvme-auth: update sc_c in host response
nvme-multipath: Skip nr_active increments in RETRY disposition
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|
Linus Torvalds
|
cf1ea8854e |
MMC core:
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||
|
Linus Torvalds
|
1422424187 |
sound fixes for 6.18-rc2
A collection of small fixes. All changes are rather boring
device-specific fixes and quirks.
- A few fixes for missing NULL checks
- ASoC NAU8821 fixes for jack and irq handling
- Various fixes for ASoC TAS2781, IDT821034, sc8280xp, max9809x,
wcd938x, and SoundWire
- Usual HD-audio and USB-audio quirks
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Merge tag 'sound-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes. All changes are rather boring
device-specific fixes and quirks:
- A few fixes for missing NULL checks
- ASoC NAU8821 fixes for jack and irq handling
- Various fixes for ASoC TAS2781, IDT821034, sc8280xp, max9809x,
wcd938x, and SoundWire
- Usual HD-audio and USB-audio quirks"
* tag 'sound-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (27 commits)
ALSA: hda/realtek: Fix mute led for HP Omen 17-cb0xxx
ALSA: usb-audio: fix vendor quirk for Logitech H390
ALSA: usb-audio: add volume quirks for MS LifeChat LX-3000
ASoC: amd/sdw_utils: avoid NULL deref when devm_kasprintf() fails
ASoC: max98090/91: fixed max98091 ALSA widget powering up/down
ASoC: dt-bindings: Add compatible string fsl,imx-audio-tlv320
ASoC: codecs: wcd938x-sdw: remove redundant runtime pm calls
ASoC: sdw_utils: add rt1321 part id to codec_info_list
ALSA: usb-audio: Fix NULL pointer deference in try_to_register_card
ALSA: firewire: amdtp-stream: fix enum kernel-doc warnings
ALSA: usb-audio: add mixer_playback_min_mute quirk for Logitech H390
ASoC: nau8821: Avoid unnecessary blocking in IRQ handler
ASoC: nau8821: Add DMI quirk to bypass jack debounce circuit
ASoC: nau8821: Consistently clear interrupts before unmasking
ASoC: nau8821: Generalize helper to clear IRQ status
ASoC: nau8821: Cancel jdet_work before handling jack ejection
ASoC: codecs: Fix gain setting ranges for Renesas IDT821034 codec
ASoC: tas2781: Update ti,tas2781.yaml for adding tas58xx
ASoC: tas2781: Support more newly-released amplifiers tas58xx in the driver
ASoC: qcom: sc8280xp: Add support for QCS615
...
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