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Port filp_cache to struct kmem_cache_args.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Use _Generic() to create a compatibility layer that type switches on the
third argument to either call __kmem_cache_create() or
__kmem_cache_create_args(). If NULL is passed for the struct
kmem_cache_args argument use default args making porting for callers
that don't care about additional arguments easy.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Make KMEM_CACHE_USERCOPY() use struct kmem_cache_args.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Make KMEM_CACHE() use struct kmem_cache_args.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Pass down struct kmem_cache_args to calculate_sizes() so we can use
args->{use}_freeptr_offset directly. This allows us to remove
->rcu_freeptr_offset from struct kmem_cache.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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and initialize most things in do_kmem_cache_create(). In a follow-up
patch we'll remove rcu_freeptr_offset from struct kmem_cache.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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do_kmem_cache_create() is the only caller and we're going to pass down
struct kmem_cache_args in a follow-up patch.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Pass struct kmem_cache_args to create_cache() so that we can later
simplify further helpers.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Port kmem_cache_create_usercopy() to struct kmem_cache_args and remove
the now unused do_kmem_cache_create_usercopy() helper.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Port kmem_cache_create_rcu() to struct kmem_cache_args.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Port kmem_cache_create() to struct kmem_cache_args.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Currently we have multiple kmem_cache_create*() variants that take up to
seven separate parameters with one of the functions having to grow an
eigth parameter in the future to handle both usercopy and a custom
freelist pointer.
Add a struct kmem_cache_args structure and move less common parameters
into it. Core parameters such as name, object size, and flags continue
to be passed separately.
Add a new function __kmem_cache_create_args() that takes a struct
kmem_cache_args pointer and port do_kmem_cache_create_usercopy() over to
it.
In follow-up patches we will port the other kmem_cache_create*()
variants over to it as well.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Free up reusing the double-underscore variant for follow-up patches.
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs into slab/for-6.12/kmem_cache_args
Merge prerequisities from the vfs git tree for the following series that
introduces kmem_cache_args. The vfs.file branch includes the addition of
kmem_cache_create_rcu() which was needed in vfs for the filp cache
optimization. The following series refactors this code.
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Removed @freeptr_offset to fix below doc warning.
./mm/slab_common.c:385: warning: Excess function parameter 'freeptr_offset' description in 'kmem_cache_create_usercopy'
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202408292249.5oUpnCbS-lkp@intel.com/
Signed-off-by: R Sundar <prosunofficial@gmail.com>
Link: https://lore.kernel.org/r/20240902020555.11506-1-prosunofficial@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner <brauner@kernel.org> says:
When a kmem cache is created with SLAB_TYPESAFE_BY_RCU the free pointer
must be located outside of the object because we don't know what part of
the memory can safely be overwritten as it may be needed to prevent
object recycling.
That has the consequence that SLAB_TYPESAFE_BY_RCU may end up adding a
new cacheline. This is the case for e.g., struct file. After having it
shrunk down by 40 bytes and having it fit in three cachelines we still
have SLAB_TYPESAFE_BY_RCU adding a fourth cacheline because it needs to
accommodate the free pointer.
Add a new kmem_cache_create_rcu() function that allows the caller to
specify an offset where the free pointer is supposed to be placed.
Before this series cat /proc/slabinfo:
filp 1198 1248 256 32 2 : tunables 0 0 0 : slabdata 39 39 0
^^^
After this series cat /proc/slabinfo:
filp 1323 1323 192 21 1 : tunables 0 0 0 : slabdata 63 63 0
^^^
* patches from https://lore.kernel.org/r/20240828-work-kmem_cache-rcu-v3-0-5460bc1f09f6@kernel.org:
fs: use kmem_cache_create_rcu()
mm: add kmem_cache_create_rcu()
mm: remove unused root_cache argument
Link: https://lore.kernel.org/r/20240828-work-kmem_cache-rcu-v3-0-5460bc1f09f6@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Switch to the new kmem_cache_create_rcu() helper which allows us to use
a custom free pointer offset avoiding the need to have an external free
pointer which would grow struct file behind our backs.
Link: https://lore.kernel.org/r/20240828-work-kmem_cache-rcu-v3-3-5460bc1f09f6@kernel.org
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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When a kmem cache is created with SLAB_TYPESAFE_BY_RCU the free pointer
must be located outside of the object because we don't know what part of
the memory can safely be overwritten as it may be needed to prevent
object recycling.
That has the consequence that SLAB_TYPESAFE_BY_RCU may end up adding a
new cacheline. This is the case for e.g., struct file. After having it
shrunk down by 40 bytes and having it fit in three cachelines we still
have SLAB_TYPESAFE_BY_RCU adding a fourth cacheline because it needs to
accommodate the free pointer.
Add a new kmem_cache_create_rcu() function that allows the caller to
specify an offset where the free pointer is supposed to be placed.
Link: https://lore.kernel.org/r/20240828-work-kmem_cache-rcu-v3-2-5460bc1f09f6@kernel.org
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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That root_cache argument is unused so remove it.
Link: https://lore.kernel.org/r/20240828-work-kmem_cache-rcu-v3-1-5460bc1f09f6@kernel.org
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Now that we shrunk struct file to 192 bytes aka 3 cachelines reorder
struct file to not leave any holes or have members cross cachelines.
Add a short comment to each of the fields and mark the cachelines.
It's possible that we may have to tweak this based on profiling in the
future. So far I had Jens test this comparing io_uring with non-fixed
and fixed files and it improved performance. The layout is a combination
of Jens' and my changes.
Link: https: //lore.kernel.org/r/20240824-peinigen-hocken-7384b977c643@brauner
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Now that we shrank struct file by 24 bytes we still have a 4 byte hole.
If we move struct file_ra_state into the union and f_iocb_flags out of
the union we close that whole and bring down struct file to 192 bytes.
Which means struct file is 3 cachelines and we managed to shrink it by
40 bytes this cycle.
I've tried to audit all codepaths that use f_ra and none of them seem to
rely on it in file->f_op->release() and never have since commit
1da177e4c3f4 ("Linux-2.6.12-rc2").
Link: https://lore.kernel.org/r/20240823-luftdicht-berappen-d69a2166a0db@brauner
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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We do embedd struct fown_struct into struct file letting it take up 32
bytes in total. We could tweak struct fown_struct to be more compact but
really it shouldn't even be embedded in struct file in the first place.
Instead, actual users of struct fown_struct should allocate the struct
on demand. This frees up 24 bytes in struct file.
That will have some potentially user-visible changes for the ownership
fcntl()s. Some of them can now fail due to allocation failures.
Practically, that probably will almost never happen as the allocations
are small and they only happen once per file.
The fown_struct is used during kill_fasync() which is used by e.g.,
pipes to generate a SIGIO signal. Sending of such signals is conditional
on userspace having set an owner for the file using one of the F_OWNER
fcntl()s. Such users will be unaffected if struct fown_struct is
allocated during the fcntl() call.
There are a few subsystems that call __f_setown() expecting
file->f_owner to be allocated:
(1) tun devices
file->f_op->fasync::tun_chr_fasync()
-> __f_setown()
There are no callers of tun_chr_fasync().
(2) tty devices
file->f_op->fasync::tty_fasync()
-> __tty_fasync()
-> __f_setown()
tty_fasync() has no additional callers but __tty_fasync() has. Note
that __tty_fasync() only calls __f_setown() if the @on argument is
true. It's called from:
file->f_op->release::tty_release()
-> tty_release()
-> __tty_fasync()
-> __f_setown()
tty_release() calls __tty_fasync() with @on false
=> __f_setown() is never called from tty_release().
=> All callers of tty_release() are safe as well.
file->f_op->release::tty_open()
-> tty_release()
-> __tty_fasync()
-> __f_setown()
__tty_hangup() calls __tty_fasync() with @on false
=> __f_setown() is never called from tty_release().
=> All callers of __tty_hangup() are safe as well.
From the callchains it's obvious that (1) and (2) end up getting called
via file->f_op->fasync(). That can happen either through the F_SETFL
fcntl() with the FASYNC flag raised or via the FIOASYNC ioctl(). If
FASYNC is requested and the file isn't already FASYNC then
file->f_op->fasync() is called with @on true which ends up causing both
(1) and (2) to call __f_setown().
(1) and (2) are the only subsystems that call __f_setown() from the
file->f_op->fasync() handler. So both (1) and (2) have been updated to
allocate a struct fown_struct prior to calling fasync_helper() to
register with the fasync infrastructure. That's safe as they both call
fasync_helper() which also does allocations if @on is true.
The other interesting case are file leases:
(3) file leases
lease_manager_ops->lm_setup::lease_setup()
-> __f_setown()
Which in turn is called from:
generic_add_lease()
-> lease_manager_ops->lm_setup::lease_setup()
-> __f_setown()
So here again we can simply make generic_add_lease() allocate struct
fown_struct prior to the lease_manager_ops->lm_setup::lease_setup()
which happens under a spinlock.
With that the two remaining subsystems that call __f_setown() are:
(4) dnotify
(5) sockets
Both have their own custom ioctls to set struct fown_struct and both
have been converted to allocate a struct fown_struct on demand from
their respective ioctls.
Interactions with O_PATH are fine as well e.g., when opening a /dev/tty
as O_PATH then no file->f_op->open() happens thus no file->f_owner is
allocated. That's fine as no file operation will be set for those and
the device has never been opened. fcntl()s called on such things will
just allocate a ->f_owner on demand. Although I have zero idea why'd you
care about f_owner on an O_PATH fd.
Link: https://lore.kernel.org/r/20240813-work-f_owner-v2-1-4e9343a79f9f@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Pull bcachefs fixes from Kent Overstreet:
- assorted syzbot fixes
- some upgrade fixes for old (pre 1.0) filesystems
- fix for moving data off a device that was switched to durability=0
after data had been written to it.
- nocow deadlock fix
- fix for new rebalance_work accounting
* tag 'bcachefs-2024-08-24' of git://evilpiepirate.org/bcachefs: (28 commits)
bcachefs: Fix rebalance_work accounting
bcachefs: Fix failure to flush moves before sleeping in copygc
bcachefs: don't use rht_bucket() in btree_key_cache_scan()
bcachefs: add missing inode_walker_exit()
bcachefs: clear path->should_be_locked in bch2_btree_key_cache_drop()
bcachefs: Fix double assignment in check_dirent_to_subvol()
bcachefs: Fix refcounting in discard path
bcachefs: Fix compat issue with old alloc_v4 keys
bcachefs: Fix warning in bch2_fs_journal_stop()
fs/super.c: improve get_tree() error message
bcachefs: Fix missing validation in bch2_sb_journal_v2_validate()
bcachefs: Fix replay_now_at() assert
bcachefs: Fix locking in bch2_ioc_setlabel()
bcachefs: fix failure to relock in btree_node_fill()
bcachefs: fix failure to relock in bch2_btree_node_mem_alloc()
bcachefs: unlock_long() before resort in journal replay
bcachefs: fix missing bch2_err_str()
bcachefs: fix time_stats_to_text()
bcachefs: Fix bch2_bucket_gens_init()
bcachefs: Fix bch2_trigger_alloc assert
...
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Pull smb server fixes from Steve French:
- query directory flex array fix
- fix potential null ptr reference in open
- fix error message in some open cases
- two minor cleanups
* tag '6.11-rc5-server-fixes' of git://git.samba.org/ksmbd:
smb/server: update misguided comment of smb2_allocate_rsp_buf()
smb/server: remove useless assignment of 'file_present' in smb2_open()
smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()
smb/server: fix return value of smb2_open()
ksmbd: the buffer of smb2 query dir response has at least 1 byte
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix KASLR base offset to account for symbol offsets in the vmlinux
ELF file, preventing tool breakages like the drgn debugger
- Fix potential memory corruption of physmem_info during kernel
physical address randomization
- Fix potential memory corruption due to overlap between the relocated
lowcore and identity mapping by correctly reserving lowcore memory
- Fix performance regression and avoid randomizing identity mapping
base by default
- Fix unnecessary delay of AP bus binding complete uevent to prevent
startup lag in KVM guests using AP
* tag 's390-6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/boot: Fix KASLR base offset off by __START_KERNEL bytes
s390/boot: Avoid possible physmem_info segment corruption
s390/ap: Refine AP bus bindings complete processing
s390/mm: Pin identity mapping base to zero
s390/mm: Prevent lowcore vs identity mapping overlap
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"The important core fix is another tweak to our discard discovery
issues. The off by 512 in logical block count seems bad, but in fact
the inline was only ever used in debug prints, which is why no-one
noticed"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd: Do not attempt to configure discard unless LBPME is set
scsi: MAINTAINERS: Add header files to SCSI SUBSYSTEM
scsi: ufs: qcom: Add UFSHCD_QUIRK_BROKEN_LSDBS_CAP for SM8550 SoC
scsi: ufs: core: Add a quirk for handling broken LSDBS field in controller capabilities register
scsi: core: Fix the return value of scsi_logical_block_count()
scsi: MAINTAINERS: Update HiSilicon SAS controller driver maintainer
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rebalance_work was keying off of the presence of rebelance_opts in the
extent - but that was incorrect, we keep those around after rebalance
for indirect extents since the inode's options are not directly
available
Fixes: 20ac515a9cc7 ("bcachefs: bch_acct_rebalance_work")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This fixes an apparent deadlock - rebalance would get stuck trying to
take nocow locks because they weren't being released by copygc.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"Three patches addressing cpuset corner cases"
* tag 'cgroup-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup/cpuset: Eliminate unncessary sched domains rebuilds in hotplug
cgroup/cpuset: Clear effective_xcpus on cpus_allowed clearing only if cpus.exclusive not set
cgroup/cpuset: fix panic caused by partcmd_update
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fixes from Tejun Heo:
"Nothing too interesting. One patch to remove spurious warning and
others to address static checker warnings"
* tag 'wq-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Correct declaration of cpu_pwq in struct workqueue_struct
workqueue: Fix spruious data race in __flush_work()
workqueue: Remove incorrect "WARN_ON_ONCE(!list_empty(&worker->entry));" from dying worker
workqueue: Fix UBSAN 'subtraction overflow' error in shift_and_mask()
workqueue: doc: Fix function name, remove markers
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- Set correct timer mode on Loongson64
- Only request r4k clockevent interrupt on one CPU
* tag 'mips-fixes_6.11_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: cevt-r4k: Don't call get_c0_compare_int if timer irq is installed
MIPS: Loongson64: Set timer mode in cpu-probe
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 kvm fixes from Catalin Marinas:
- Don't drop references on LPIs that weren't visited by the vgic-debug
iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3
KVM: arm64: Ensure canonical IPA is hugepage-aligned when handling fault
KVM: arm64: vgic: Don't hold config_lock while unregistering redistributors
KVM: arm64: vgic-debug: Don't put unmarked LPIs
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Pull NFS client fixes from Anna Schumaker:
- Fix rpcrdma refcounting in xa_alloc
- Fix rpcrdma usage of XA_FLAGS_ALLOC
- Fix requesting FATTR4_WORD2_OPEN_ARGUMENTS
- Fix attribute bitmap decoder to handle a 3rd word
- Add reschedule points when returning delegations to avoid soft lockups
- Fix clearing layout segments in layoutreturn
- Avoid unnecessary rescanning of the per-server delegation list
* tag 'nfs-for-6.11-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Avoid unnecessary rescanning of the per-server delegation list
NFSv4: Fix clearing of layout segments in layoutreturn
NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations
nfs: fix bitmap decoder to handle a 3rd word
nfs: fix the fetch of FATTR4_OPEN_ARGUMENTS
rpcrdma: Trace connection registration and unregistration
rpcrdma: Use XA_FLAGS_ALLOC instead of XA_FLAGS_ALLOC1
rpcrdma: Device kref is over-incremented on error from xa_alloc
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Pull smb client fixes from Steve French:
- fix refcount leak (can cause rmmod fail)
- fix byte range locking problem with cached reads
- fix for mount failure if reparse point unrecognized
- minor typo
* tag 'v6.11-rc4-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb/client: fix typo: GlobalMid_Sem -> GlobalMid_Lock
smb: client: ignore unhandled reparse tags
smb3: fix problem unloading module due to leaked refcount on shutdown
smb3: fix broken cached reads when posix locks
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a tweak to uinput interface to reject requests with abnormally large
number of slots. 100 slots/contacts should be enough for real devices
- support for FocalTech FT8201 added to the edt-ft5x06 driver
- tweaks to i8042 to handle more devices that have issue with its
emulation
- Synaptics touchpad switched to native SMbus/RMI mode on HP Elitebook
840 G2
- other minor fixes
* tag 'input-for-v6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: himax_hx83112b - fix incorrect size when reading product ID
Input: i8042 - use new forcenorestore quirk to replace old buggy quirk combination
Input: i8042 - add forcenorestore quirk to leave controller untouched even on s3
Input: i8042 - add Fujitsu Lifebook E756 to i8042 quirk table
Input: uinput - reject requests with unreasonable number of slots
Input: edt-ft5x06 - add support for FocalTech FT8201
dt-bindings: input: touchscreen: edt-ft5x06: Document FT8201 support
Input: adc-joystick - fix optional value handling
Input: synaptics - enable SMBus for HP Elitebook 840 G2
Input: ads7846 - ratelimit the spi_sync error message
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Pull drm fixes from Dave Airlie:
"Weekly fixes. xe and msm are the major groups, with
amdgpu/i915/nouveau having smaller bits. xe has a bunch of hw
workaround fixes that were found to be missing, so that is why there
are a bunch of scattered fixes, and one larger one. But overall size
doesn't look too out of the ordinary.
msm:
- virtual plane fixes:
- drop yuv on hw where not supported
- csc vs yuv format fix
- rotation fix
- fix fb cleanup on close
- reset phy before link training
- fix visual corruption at 4K
- fix NULL ptr crash on hotplug
- simplify debug macros
- sc7180 fix
- adreno firmware name error path fix
amdgpu:
- GFX10 firmware loading fix
- SDMA 5.2 fix
- Debugfs parameter validation fix
- eGPU hotplug fix
i915:
- fix HDCP timeouts
nouveau:
- fix SG_DEBUG crash
xe:
- Fix OA format masks which were breaking build with gcc-5
- Fix opregion leak (Lucas)
- Fix OA sysfs entry (Ashutosh)
- Fix VM dma-resv lock (Brost)
- Fix tile fini sequence (Brost)
- Prevent UAF around preempt fence (Auld)
- Fix DGFX display suspend/resume (Maarten)
- Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
- Fix devm/drmm issues (Daniele)
- Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
- Drop HW fence pointer to HW fence ctx (Brost)
- Free job before xe_exec_queue_put (Brost)"
* tag 'drm-fixes-2024-08-24' of https://gitlab.freedesktop.org/drm/kernel: (35 commits)
drm/xe: Free job before xe_exec_queue_put
drm/xe: Drop HW fence pointer to HW fence ctx
drm/xe: Fix missing workqueue destroy in xe_gt_pagefault
drm/amdgpu: fix eGPU hotplug regression
drm/amdgpu: Validate TA binary size
drm/amdgpu/sdma5.2: limit wptr workaround to sdma 5.2.1
drm/amdgpu: fixing rlc firmware loading failure issue
drm/xe/uc: Use devm to register cleanup that includes exec_queues
drm/xe: use devm instead of drmm for managed bo
drm/xe/xe2hpg: Add Wa_14021821874
drm/xe: fix WA 14018094691
drm/xe/xe2: Add Wa_15015404425
drm/xe/xe2: Make subsequent L2 flush sequential
drm/xe/xe2lpg: Extend workaround 14021402888
drm/xe/xe2lpm: Extend Wa_16021639441
drm/xe/bmg: implement Wa_16023588340
drm/xe/oa/uapi: Make bit masks unsigned
drm/xe/display: Make display suspend/resume work on discrete
drm/xe: prevent UAF around preempt fence
drm/xe: Fix tile fini sequence
...
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Pull block fixes from Jens Axboe:
- NVMe pull request via Keith
- Remove unused struct field (Nilay)
- Fix fabrics keep-alive teardown order (Ming)
- Write zeroes fixes (John)
* tag 'block-6.11-20240823' of git://git.kernel.dk/linux:
nvme: Remove unused field
nvme: move stopping keep-alive into nvme_uninit_ctrl()
block: Drop NULL check in bdev_write_zeroes_sectors()
block: Read max write zeroes once for __blkdev_issue_write_zeroes()
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Pull io_uring fix from Jens Axboe:
"Just a single fix for provided buffer validation"
* tag 'io_uring-6.11-20240823' of git://git.kernel.dk/linux:
io_uring/kbuf: sanitize peek buffer setup
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix backlight control on a Dell All In One system where a backlight
controller board is attached to a UART port and the dell-uart
backlight driver binds to it, but the backlight is actually controlled
by other means (Hans de Goede)"
* tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: video: Add backlight=native quirk for Dell OptiPlex 7760 AIO
platform/x86: dell-uart-backlight: Use acpi_video_get_backlight_type()
ACPI: video: Add Dell UART backlight controller detection
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix error handling in the thermal debug code and OF node
reference leaks in the thermal OF driver.
Specifics:
- Use IS_ERR() in checks of debugfs_create_dir() return value instead
of checking it against NULL in the thermal debug code (Yang Ruibin)
- Fix three OF node reference leaks in thermal_of (Krzysztof
Kozlowski)"
* tag 'thermal-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: of: Fix OF node leak in of_thermal_zone_find() error paths
thermal: of: Fix OF node leak in thermal_of_zone_register()
thermal: of: Fix OF node leak in thermal_of_trips_init() error path
thermal/debugfs: Fix the NULL vs IS_ERR() confusion in debugfs_create_dir()
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull mmc fixes from Ulf Hansson:
"MMC core:
- Fix NULL dereference for mmc_test on allocation failure
MMC host:
- dw_mmc: Fix support for deferred probe for biu/ciu clocks
- mtk-sd: Fix CMD8 support when fragile tuning settings"
* tag 'mmc-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: mmc_test: Fix NULL dereference on allocation failure
mmc: dw_mmc: allow biu and ciu clocks to defer
mmc: mtk-sd: receive cmd8 data when hs400 tuning fail
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of fixes here, all driver specific and none of them
too serious. For whatever reason runtime PM seems to have been causing
a bunch of issues recently"
* tag 'spi-fix-v6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: pxa2xx: Move PM runtime handling to the glue drivers
spi: pxa2xx: Do not override dev->platform_data on probe
spi: spi-fsl-lpspi: limit PRESCALE bit in TCR register
spi: spi-cadence-quadspi: Fix OSPI NOR failures during system resume
spi: zynqmp-gqspi: Scale timeout by data size
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing fix from Bartosz Golaszewski:
- request the wlan-enable GPIO "as-is" to fix an issue with the wifi
module being already powered up before linux boots
* tag 'pwrseq-fixes-for-v6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
power: sequencing: request the WLAN enable GPIO as-is
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson:
- imx: Remove duplicated clocks for scu power domain
- imx: Wait for SSAR to complete power-on for i.MX93 power domain
* tag 'pmdomain-v6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
pmdomain: imx: wait SSAR when i.MX93 power domain on
pmdomain: imx: scu-pd: Remove duplicated clocks
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into for-next/fixes
KVM/arm64 fixes for 6.11, round #2
- Don't drop references on LPIs that weren't visited by the
vgic-debug iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
* tag 'kvmarm-fixes-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm:
KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3
KVM: arm64: Ensure canonical IPA is hugepage-aligned when handling fault
KVM: arm64: vgic: Don't hold config_lock while unregistering redistributors
KVM: arm64: vgic-debug: Don't put unmarked LPIs
KVM: arm64: vgic: Hold config_lock while tearing down a CPU interface
KVM: selftests: arm64: Correct feature test for S1PIE in get-reg-list
KVM: arm64: Tidying up PAuth code in KVM
KVM: arm64: vgic-debug: Exit the iterator properly w/o LPI
KVM: arm64: Enforce dependency on an ARMv8.4-aware toolchain
docs: KVM: Fix register ID of SPSR_FIQ
KVM: arm64: vgic: fix unexpected unlock sparse warnings
KVM: arm64: fix kdoc warnings in W=1 builds
KVM: arm64: fix override-init warnings in W=1 builds
KVM: arm64: free kvm->arch.nested_mmus with kvfree()
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Fix the max segment size and max number of segments supported by the
pata_macio driver to fix issues with BIO splitting leading to an
overflow of the adapter DMA table (from Michael)
- Related to the previous fix, change BUG_ON() calls for incorrect
command buffer segmentation into WARN_ON() and an error return (from
Michael)
* tag 'ata-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: pata_macio: Use WARN instead of BUG
ata: pata_macio: Fix DMA table overflow
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth and netfilter.
Current release - regressions:
- virtio_net: avoid crash on resume - move netdev_tx_reset_queue()
call before RX napi enable
Current release - new code bugs:
- net/mlx5e: fix page leak and incorrect header release w/ HW GRO
Previous releases - regressions:
- udp: fix receiving fraglist GSO packets
- tcp: prevent refcount underflow due to concurrent execution of
tcp_sk_exit_batch()
Previous releases - always broken:
- ipv6: fix possible UAF when incrementing error counters on output
- ip6: tunnel: prevent merging of packets with different L2
- mptcp: pm: fix IDs not being reusable
- bonding: fix potential crashes in IPsec offload handling
- Bluetooth: HCI:
- MGMT: add error handling to pair_device() to avoid a crash
- invert LE State quirk to be opt-out rather then opt-in
- fix LE quote calculation
- drv: dsa: VLAN fixes for Ocelot driver
- drv: igb: cope with large MAX_SKB_FRAGS Kconfig settings
- drv: ice: fi Rx data path on architectures with PAGE_SIZE >= 8192
Misc:
- netpoll: do not export netpoll_poll_[disable|enable]()
- MAINTAINERS: update the list of networking headers"
* tag 'net-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (82 commits)
s390/iucv: Fix vargs handling in iucv_alloc_device()
net: ovs: fix ovs_drop_reasons error
net: xilinx: axienet: Fix dangling multicast addresses
net: xilinx: axienet: Always disable promiscuous mode
MAINTAINERS: Mark JME Network Driver as Odd Fixes
MAINTAINERS: Add header files to NETWORKING sections
MAINTAINERS: Add limited globs for Networking headers
MAINTAINERS: Add net_tstamp.h to SOCKET TIMESTAMPING section
MAINTAINERS: Add sonet.h to ATM section of MAINTAINERS
octeontx2-af: Fix CPT AF register offset calculation
net: phy: realtek: Fix setting of PHY LEDs Mode B bit on RTL8211F
net: ngbe: Fix phy mode set to external phy
netfilter: flowtable: validate vlan header
bnxt_en: Fix double DMA unmapping for XDP_REDIRECT
ipv6: prevent possible UAF in ip6_xmit()
ipv6: fix possible UAF in ip6_finish_output2()
ipv6: prevent UAF in ip6_send_skb()
netpoll: do not export netpoll_poll_[disable|enable]()
selftests: mlxsw: ethtool_lanes: Source ethtool lib from correct path
udp: fix receiving fraglist GSO packets
...
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Eliminate the fdtoverlay command duplication in scripts/Makefile.lib
- Fix 'make compile_commands.json' for external modules
- Ensure scripts/kconfig/merge_config.sh handles missing newlines
- Fix some build errors on macOS
* tag 'kbuild-fixes-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: fix typos "prequisites" to "prerequisites"
Documentation/llvm: turn make command for ccache into code block
kbuild: avoid scripts/kallsyms parsing /dev/null
treewide: remove unnecessary <linux/version.h> inclusion
scripts: kconfig: merge_config: config files: add a trailing newline
Makefile: add $(srctree) to dependency of compile_commands.json target
kbuild: clean up code duplication in cmd_fdtoverlay
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
UAPI Changes:
- Fix OA format masks which were breaking build with gcc-5 (Geert)
Driver Changes:
- Fix opregion leak (Lucas)
- Fix OA sysfs entry (Ashutosh)
- Fix VM dma-resv lock (Brost)
- Fix tile fini sequence (Brost)
- Prevent UAF around preempt fence (Auld)
- Fix DGFX display suspend/resume (Maarten)
- Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
- Fix devm/drmm issues (Daniele)
- Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
- Drop HW fence pointer to HW fence ctx (Brost)
- Free job before xe_exec_queue_put (Brost)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZsdVe0XI2Pq8C-ON@intel.com
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