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Peter Zijlstra e041e328c4 perf: Fix perf_event_comm() vs. exec() assumption 
perf_event_comm() assumes that set_task_comm() is only called on
exec(), and in particular that its only called on current.

Neither are true, as Dave reported a WARN triggered by set_task_comm()
being called on !current.

Separate the exec() hook from the comm hook.

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/20140521153219.GH5226@laptop.programming.kicks-ass.net
[ Build fix. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-06-06 07:54:02 +02:00
..
9p
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
adfs
fs/adfs/super.c: add __init to init_inodecache()
2014-04-07 16:36:08 -07:00
affs
fs/affs/super.c: bugfix / double free
2014-05-06 13:05:00 -07:00
afs
AFS: Pass an afs_call* to call->async_workfn() instead of a work_struct*
2014-05-23 13:05:22 +01:00
autofs4
autofs: fix lockref lookup
2014-05-06 13:04:59 -07:00
befs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
bfs
fs/bfs/inode.c: add __init to init_inodecache()
2014-04-07 16:36:08 -07:00
btrfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2014-05-22 05:40:13 +09:00
cachefiles
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
ceph
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2014-05-05 15:17:02 -07:00
cifs
cifs: fix actimeo=0 corner case when cifs_i->time == jiffies
2014-04-24 22:37:03 -05:00
coda
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
configfs
configfs: fix race between dentry put and lookup
2013-11-21 16:42:27 -08:00
cramfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
debugfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
devpts
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
dlm
net: Fix use after free by removing length arg from sk_data_ready callbacks.
2014-04-11 16:15:36 -04:00
ecryptfs
Merge branch 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2014-04-04 14:03:05 -07:00
efivarfs
efivarfs: 'efivarfs_file_write' function reorganization
2014-03-04 16:16:16 +00:00
efs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
exofs
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
2014-04-10 14:33:02 -07:00
exportfs
…
ext2
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2014-04-07 17:59:17 -07:00
ext3
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2014-04-07 17:59:17 -07:00
ext4
These are regression and bug fixes for ext4.
2014-04-20 20:43:47 -07:00
f2fs
Merge branch 'akpm' (incoming from Andrew)
2014-04-07 16:38:06 -07:00
fat
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
freevxfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
fscache
FS-Cache: Handle removal of unadded object to the fscache_object_list rb tree
2014-02-17 13:47:35 -08:00
fuse
fuse: add renameat2 support
2014-04-28 16:43:44 +02:00
gfs2
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
hfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
hfsplus
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
hostfs
mm + fs: store shadow entries in page cache
2014-04-03 16:21:01 -07:00
hpfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
hppfs
…
hugetlbfs
hugetlb: ensure hugepage access is denied if hugepages are not supported
2014-05-06 13:04:58 -07:00
isofs
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2014-04-07 17:59:17 -07:00
jbd
jbd: Revise KERN_EMERG error messages
2013-12-04 12:27:46 +01:00
jbd2
jbd2: improve error messages for inconsistent journal heads
2014-03-12 16:38:03 -04:00
jffs2
MTD updates for 3.15:
2014-04-07 10:17:30 -07:00
jfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
kernfs
kernfs, sysfs, cgroup: restrict extra perm check on open to sysfs
2014-05-13 13:21:40 +02:00
lockd
lockd: ensure we tear down any live sockets when socket creation fails during lockd_up
2014-03-28 10:43:08 -04:00
logfs
mm + fs: store shadow entries in page cache
2014-04-03 16:21:01 -07:00
minix
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
ncpfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2014-04-12 17:31:22 -07:00
nfs
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
nfs_common
…
nfsd
nfsd4: warn on finding lockowner without stateid's
2014-05-21 11:11:21 -04:00
nilfs2
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
nls
nls: have register_nls() set ->owner
2014-01-25 03:14:05 -05:00
notify
fanotify: fix -EOVERFLOW with large files on 64-bit
2014-05-06 13:04:59 -07:00
ntfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
ocfs2
ocfs2: fix double kmem_cache_destroy in dlm_init
2014-05-23 09:37:30 -07:00
omfs
mm + fs: store shadow entries in page cache
2014-04-03 16:21:01 -07:00
openpromfs
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
proc
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
pstore
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
qnx4
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
qnx6
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
quota
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2014-04-07 17:59:17 -07:00
ramfs
fs/ramfs: move ramfs_aops to inode.c
2014-01-23 16:36:58 -08:00
reiserfs
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2014-04-07 17:59:17 -07:00
romfs
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
squashfs
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
sysfs
sysfs: make sure read buffer is zeroed
2014-05-20 10:15:53 +09:00
sysv
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
ubifs
UBIFS: fix remount error path
2014-05-05 09:31:33 +03:00
udf
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
ufs
fs/ufs: remove unused ufs_super_block_third pointer
2014-04-07 16:36:16 -07:00
xfs
xfs: list_lru_init returns a negative error
2014-05-15 09:23:24 +10:00
aio.c
aio: fix potential leak in aio_run_iocb().
2014-05-01 08:37:43 -04:00
anon_inodes.c
vfs: Allocate anon_inode_inode in anon_inode_init()
2014-03-27 09:52:54 -07:00
attr.c
fs: fix iversion handling
2013-12-05 16:36:21 -06:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
exec: kill the unnecessary mm->def_flags setting in load_elf_binary()
2014-04-07 16:35:52 -07:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: add missing 'break' statement
2014-04-03 16:21:16 -07:00
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
block: Ensure we only enable integrity metadata for reads and writes
2014-04-09 08:00:06 -06:00
bio.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
block_dev.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
buffer.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
char_dev.c
Merge branch 'for-3.13/core' of git://git.kernel.dk/linux-block
2013-11-14 12:08:14 +09:00
compat_binfmt_elf.c
binfmt_elf: add ELF_HWCAP2 to compat auxv entries
2014-03-04 08:05:21 +00:00
compat_ioctl.c
fs/compat: convert to COMPAT_SYSCALL_DEFINE with changing parameter types
2014-03-06 16:30:44 +01:00
compat.c
locks: rename file-private locks to "open file description locks"
2014-04-22 08:23:58 -04:00
coredump.c
coredump: fix va_list corruption
2014-04-19 13:23:31 -07:00
dcache.c
dcache: add missing lockdep annotation
2014-05-31 09:13:21 -07:00
dcookies.c
fs/compat: fix lookup_dcookie() parameter handling
2014-01-29 16:22:40 -08:00
direct-io.c
xfs: update for 3.15-rc1
2014-04-04 15:50:08 -07:00
drop_caches.c
drop_caches: add some documentation and info message
2014-04-03 16:21:04 -07:00
eventfd.c
eventfd_ctx_fdget(): use fdget() instead of fget()
2014-01-25 03:13:04 -05:00
eventpoll.c
epoll: do not take the nested ep->mtx on EPOLL_CTL_DEL
2014-01-02 14:40:30 -08:00
exec.c
perf: Fix perf_event_comm() vs. exec() assumption
2014-06-06 07:54:02 +02:00
fcntl.c
locks: rename file-private locks to "open file description locks"
2014-04-22 08:23:58 -04:00
fhandle.c
…
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
file.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
filesystems.c
sys_sysfs: Add CONFIG_SYSFS_SYSCALL
2014-04-03 16:21:05 -07:00
fs_struct.c
…
fs-writeback.c
One of the main highlights this time, is not the patches themselves
2014-04-04 14:49:16 -07:00
inode.c
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
internal.h
…
ioctl.c
…
ioprio.c
…
Kconfig
kernfs: add CONFIG_KERNFS
2014-02-07 16:08:57 -08:00
Kconfig.binfmt
…
libfs.c
consolidate simple ->d_delete() instances
2013-11-15 22:04:17 -05:00
locks.c
locks: only validate the lock vs. f_mode in F_SETLK codepaths
2014-05-09 11:41:54 -04:00
Makefile
kernfs: add CONFIG_KERNFS
2014-02-07 16:08:57 -08:00
mbcache.c
ext4: each filesystem creates and uses its own mb_cache
2014-03-18 19:24:49 -04:00
mount.h
reduce m_start() cost...
2014-04-01 23:19:09 -04:00
mpage.c
block: Abstract out bvec iterator
2013-11-23 22:33:47 -08:00
namei.c
fix races between __d_instantiate() and checks of dentry flags
2014-04-19 12:30:58 -04:00
namespace.c
VFS: Make delayed_free() call free_vfsmnt()
2014-04-01 23:19:18 -04:00
no-block.c
…
open.c
These are regression and bug fixes for ext4.
2014-04-20 20:43:47 -07:00
pipe.c
switch pipe_read() to copy_page_to_iter()
2014-04-01 23:19:22 -04:00
pnode.c
smarter propagate_mnt()
2014-04-01 23:19:08 -04:00
pnode.h
smarter propagate_mnt()
2014-04-01 23:19:08 -04:00
posix_acl.c
posix_acl: handle NULL ACL in posix_acl_equiv_mode
2014-05-06 13:58:42 -04:00
proc_namespace.c
reduce m_start() cost...
2014-04-01 23:19:09 -04:00
read_write.c
Merge branch 'compat' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2014-03-31 14:32:17 -07:00
readdir.c
…
select.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
seq_file.c
seq_file: always clear m->count when we free m->buf
2013-11-18 19:07:53 -08:00
signalfd.c
…
splice.c
vfs: fix vmplice_to_user()
2014-05-28 01:54:52 -04:00
stack.c
…
stat.c
…
statfs.c
…
super.c
fs: Don't return 0 from get_anon_bdev
2014-04-16 11:53:08 -07:00
sync.c
Revert "writeback: do not sync data dirtied after sync start"
2014-02-22 02:02:28 +01:00
timerfd.c
timerfd: support CLOCK_BOOTTIME clock
2014-01-23 16:57:40 -08:00
utimes.c
…
xattr.c
…