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Jens Axboe 0b8cfa974d io_uring: don't use {test,clear}_tsk_thread_flag() for current 
Linus correctly points out that this is both unnecessary and generates
much worse code on some archs as going from current to thread_info is
actually backwards - and obviously just wasteful, since the thread_info
is what we care about.

Since io_uring only operates on current for these operations, just use
test_thread_flag() instead. For io-wq, we can further simplify and use
tracehook_notify_signal() to handle the TIF_NOTIFY_SIGNAL work and clear
the flag. The latter isn't an actual bug right now, but it may very well
be in the future if we place other work items under TIF_NOTIFY_SIGNAL.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/io-uring/CAHk-=wgYhNck33YHKZ14mFB5MzTTk8gqXHcfj=RWTAXKwgQJgg@mail.gmail.com/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-21 14:16:08 -06:00
..
9p
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
adfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
affs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
afs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
autofs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
befs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
bfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
btrfs
for-5.12-rc1-tag
2021-03-05 12:21:14 -08:00
cachefiles
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
ceph
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
cifs
cifs/smb3 fixes including improvements to mode bit conversion when using cifsacl mount option, new mount options for controlling attribute caching, improvements to crediting and reconnect, improved debugging
2021-02-26 14:09:41 -08:00
coda
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
configfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
cramfs
cramfs: use %pD instead of messing with file_dentry()->d_name
2021-01-05 23:02:47 -05:00
crypto
inode: make init and permission helpers idmapped mount aware
2021-01-24 14:27:16 +01:00
debugfs
Driver core / debugfs update for 5.12-rc1
2021-02-24 10:13:55 -08:00
devpts
…
dlm
fs: dlm: check on existing node address
2020-11-10 12:14:20 -06:00
ecryptfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
efivarfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
efs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
erofs
block-5.12-2021-02-27
2021-02-28 11:23:38 -08:00
exfat
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
exportfs
exportfs: Add a function to return the raw output from fh_to_dentry()
2020-12-09 09:39:38 -05:00
ext2
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
ext4
block-5.12-2021-02-27
2021-02-28 11:23:38 -08:00
f2fs
block-5.12-2021-02-27
2021-02-28 11:23:38 -08:00
fat
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
freevxfs
…
fscache
…
fuse
mm/filemap: remove unused parameter and change to void type for replace_page_cache_page()
2021-02-24 13:38:27 -08:00
gfs2
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
hfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
hfsplus
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
hostfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
hpfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
hugetlbfs
hugetlbfs: remove unneeded return value of hugetlb_vmtruncate()
2021-02-24 13:38:35 -08:00
iomap
More new code for 5.12:
2021-02-28 11:45:25 -08:00
isofs
isofs: handle large user and group ID
2021-02-03 19:05:52 +01:00
jbd2
block: use an on-stack bio in blkdev_issue_flush
2021-01-27 09:51:48 -07:00
jffs2
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
jfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
kernfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
lockd
SUNRPC: Make trace_svc_process() display the RPC procedure symbolically
2021-01-25 09:36:23 -05:00
minix
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
nfs
block-5.12-2021-02-27
2021-02-28 11:23:38 -08:00
nfs_common
NFSv4_2: SSC helper should use its own config.
2021-01-28 10:55:37 -05:00
nfsd
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
nilfs2
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
nls
…
notify
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
ntfs
ntfs: check for valid standard information attribute
2021-02-24 13:38:26 -08:00
ocfs2
ocfs2: simplify the calculation of variables
2021-02-24 13:38:26 -08:00
omfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
openpromfs
…
orangefs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
overlayfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
proc
io_uring-worker.v3-2021-02-25
2021-02-27 08:29:02 -08:00
pstore
pstore fixes for v5.12-rc2
2021-03-05 17:21:25 -08:00
qnx4
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
qnx6
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
quota
quota: Fix memory leak when handling corrupted quota file
2021-01-05 14:42:18 +01:00
ramfs
ramfs: support O_TMPFILE
2021-02-24 13:38:26 -08:00
reiserfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
romfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-24 12:26:05 -07:00
squashfs
squashfs: add more sanity checks in xattr id lookup
2021-02-09 17:26:44 -08:00
sysfs
sysfs: Support zapping of binary attr mmaps
2021-01-12 14:26:31 +01:00
sysv
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
tracefs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
ubifs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
udf
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
ufs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
unicode
unicode: Add utf8_casefold_hash
2020-09-10 14:03:31 -07:00
vboxsf
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
verity
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
xfs
More new code for 5.12:
2021-02-28 11:45:25 -08:00
zonefs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
aio.c
Merge branch 'akpm' (patches from Andrew)
2020-12-15 12:53:37 -08:00
anon_inodes.c
fs: anon_inodes: rephrase to appropriate kernel-doc
2021-01-15 12:17:25 -05:00
attr.c
ima: handle idmapped mounts
2021-01-24 14:27:20 +01:00
bad_inode.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
Merge branch 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2021-02-21 13:20:41 -08:00
binfmt_elf.c
Merge branch 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2021-02-21 13:20:41 -08:00
binfmt_em86.c
…
binfmt_flat.c
binfmt_flat: revert "binfmt_flat: don't offset the data start"
2020-08-24 08:49:13 +10:00
binfmt_misc.c
binfmt_misc: pass binfmt_misc flags to the interpreter
2021-02-15 18:28:30 +01:00
binfmt_script.c
…
block_dev.c
block-5.12-2021-02-27
2021-02-28 11:23:38 -08:00
buffer.c
fs: buffer: use raw page_memcg() on locked page
2021-02-24 13:38:30 -08:00
char_dev.c
…
compat_binfmt_elf.c
get rid of COMPAT_ELF_EXEC_PAGESIZE
2021-01-06 08:42:51 -05:00
coredump.c
fs/coredump: use kmap_local_page()
2021-02-26 09:41:05 -08:00
d_path.c
fs: fix NULL dereference due to data race in prepend_path()
2020-10-14 14:54:45 -07:00
dax.c
mm: provide a saner PTE walking API for modules
2021-02-09 07:05:44 -05:00
dcache.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
direct-io.c
block-5.12-2021-02-27
2021-02-28 11:23:38 -08:00
drop_caches.c
…
eventfd.c
eventfd: Export eventfd_ctx_do_read()
2020-11-15 09:49:10 -05:00
eventpoll.c
kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE
2021-02-16 09:59:41 +01:00
exec.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
fcntl.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
fhandle.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
file_table.c
epoll: take epitem list out of struct file
2020-10-25 20:02:08 -04:00
file.c
fs: provide locked helper variant of close_fd_get_file()
2021-02-01 10:02:42 -07:00
filesystems.c
…
fs_context.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
fs_parser.c
fs_parse: mark fs_param_bad_value() as static
2020-10-13 18:38:27 -07:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs: improve comments for writeback_single_inode()
2021-01-13 17:26:50 +01:00
fsopen.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
init.c
init: handle idmapped mounts
2021-01-24 14:27:19 +01:00
inode.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
internal.h
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
io_uring.c
io_uring: don't use {test,clear}_tsk_thread_flag() for current
2021-03-21 14:16:08 -06:00
io-wq.c
io_uring: don't use {test,clear}_tsk_thread_flag() for current
2021-03-21 14:16:08 -06:00
io-wq.h
io_uring: remove structures from include/linux/io_uring.h
2021-03-18 09:44:35 -06:00
ioctl.c
…
Kconfig
Highlights:
2021-02-21 10:22:20 -08:00
Kconfig.binfmt
Merge branch 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-21 09:29:23 -08:00
kernel_read_file.c
fs/kernel_file_read: Add "offset" arg for partial reads
2020-10-05 13:37:04 +02:00
libfs.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
locks.c
Merge branch 'exec-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-12-15 19:29:43 -08:00
Makefile
fs: Remove dcookies support
2021-01-29 10:06:46 +05:30
mbcache.c
…
mount.h
mount: make {lock,unlock}_mount_hash() static
2021-01-24 14:29:34 +01:00
mpage.c
block: Add bio_max_segs
2021-02-26 15:49:51 -07:00
namei.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
namespace.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
no-block.c
…
nsfs.c
…
open.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
pipe.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
pnode.c
…
pnode.h
fs/namespace.c: WARN if mnt_count has become negative
2020-12-10 17:33:17 -05:00
posix_acl.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
proc_namespace.c
fs: introduce MOUNT_ATTR_IDMAP
2021-01-24 14:43:45 +01:00
read_write.c
teach sendfile(2) to handle send-to-pipe directly
2021-01-25 23:29:36 -05:00
readdir.c
…
remap_range.c
ioctl: handle idmapped mounts
2021-01-24 14:27:19 +01:00
select.c
poll: fix performance regression due to out-of-line __put_user()
2021-01-08 11:06:29 -08:00
seq_file.c
fs: fix kernel-doc markups
2021-01-21 14:06:00 -07:00
signalfd.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
splice.c
for-5.12/block-2021-02-17
2021-02-21 11:02:48 -08:00
stack.c
…
stat.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
statfs.c
s390,alpha: switch to 64-bit ino_t
2021-02-13 17:17:53 +01:00
super.c
It has been a relatively quiet cycle in docsland.
2021-02-22 10:57:46 -08:00
sync.c
…
timerfd.c
…
userfaultfd.c
userfaultfd: use secure anon inodes for userfaultfd
2021-01-14 17:40:57 -05:00
utimes.c
utimes: handle idmapped mounts
2021-01-24 14:27:18 +01:00
xattr.c
namei: handle idmapped mounts in may_*() helpers
2021-01-24 14:27:17 +01:00