Andrea Arcangeli 2c5b7e1be7 userfaultfd: avoid missing wakeups during refile in userfaultfd_read ... During the refile in userfaultfd_read both waitqueues could look empty to the lockless wake_userfault(). Use a seqcount to prevent this false negative that could leave an userfault blocked. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2015-09-04 16:54:41 -07:00
..
9p	9p: don't leave a half-initialized inode sitting around	2015-07-12 11:22:05 -04:00
adfs
affs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
afs
autofs4
befs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
bfs
btrfs	Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block	2015-09-02 13:10:25 -07:00
cachefiles
ceph	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
cifs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
coda
configfs	configfs: fix kernel infoleak through user-controlled format string	2015-07-17 16:39:53 -07:00
cramfs
debugfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
devpts
dlm	dlm for 4.3	2015-09-03 12:57:48 -07:00
ecryptfs	treewide: Fix typo in printk	2015-08-07 13:58:05 +02:00
efivarfs
efs
exofs
exportfs
ext2	ext2: Handle error from dquot_initalize()	2015-07-23 20:59:37 +02:00
ext4	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
f2fs	Merge tag 'for-f2fs-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs	2015-09-03 13:10:22 -07:00
fat
freevxfs	freevxfs: Grammar s/an negative/a negative/	2015-08-07 13:59:24 +02:00
fscache
fuse	fs/fuse: fix ioctl type confusion	2015-08-16 12:35:44 -07:00
gfs2	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hfsplus	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hostfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hpfs	hpfs: update ctime and mtime on directory modification	2015-09-03 11:55:30 -07:00
hugetlbfs	ipc: use private shmem or hugetlbfs inodes for shm segments.	2015-08-07 04:39:41 +03:00
isofs
jbd2	jbd2: limit number of reserved credits	2015-08-04 11:21:52 -04:00
jffs2	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
jfs	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs	2015-09-03 12:28:30 -07:00
kernfs
lockd
logfs	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
minix	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
ncpfs
nfs	Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block	2015-09-02 13:10:25 -07:00
nfs_common
nfsd	nfsd: do nfs4_check_fh in nfs4_check_file instead of nfs4_check_olstateid	2015-07-31 16:30:26 -04:00
nilfs2	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
nls
notify	fsnotify: get rid of fsnotify_destroy_mark_locked()	2015-09-04 16:54:41 -07:00
ntfs	ntfs: delete unnecessary checks before calling iput()	2015-09-04 16:54:41 -07:00
ocfs2	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
omfs
openpromfs
overlayfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
proc	userfaultfd: add VM_UFFD_MISSING and VM_UFFD_WP	2015-09-04 16:54:41 -07:00
pstore
qnx4
qnx6
quota	quota: remove an unneeded condition	2015-08-11 10:01:24 +02:00
ramfs
reiserfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
romfs
squashfs
sysfs	vfs: Commit to never having exectuables on proc and sysfs.	2015-07-10 10:39:25 -05:00
sysv
tracefs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
ubifs
udf	udf: Don't modify filesystem for read-only mounts	2015-08-20 14:58:35 +02:00
ufs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
xfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
aio.c
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
block_dev.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
buffer.c	fs: use helper bio_add_page() instead of open coding on bi_io_vec	2015-08-13 12:32:00 -06:00
char_dev.c	fs/char_dev.c: fix incorrect documentation for unregister_chrdev_region	2015-08-05 13:49:35 -07:00
compat_binfmt_elf.c
compat_ioctl.c	ioctl_compat: handle FITRIM	2015-07-09 11:42:21 -07:00
compat.c
coredump.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
dax.c	xfs: call dax_fault on read page faults for DAX	2015-07-29 11:48:00 +10:00
dcache.c	fs, file table: reinit files_stat.max_files after deferred memory initialisation	2015-08-07 04:39:40 +03:00
dcookies.c
direct-io.c	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
drop_caches.c
eventfd.c
eventpoll.c
exec.c	vfs: Commit to never having exectuables on proc and sysfs.	2015-07-10 10:39:25 -05:00
fcntl.c
fhandle.c
file_table.c	fs, file table: reinit files_stat.max_files after deferred memory initialisation	2015-08-07 04:39:40 +03:00
file.c
filesystems.c
fs_pin.c
fs_struct.c
fs-writeback.c	writeback: sync_inodes_sb() must write out I_DIRTY_TIME inodes and always call wait_sb_inodes()	2015-08-25 14:35:09 -06:00
inode.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
internal.h
ioctl.c
Kconfig	fs: Remove ext3 filesystem driver	2015-07-23 20:59:40 +02:00
Kconfig.binfmt
libfs.c	fs: Set the size of empty dirs to 0.	2015-08-12 15:28:45 -05:00
locks.c	locks: inline posix_lock_file_wait and flock_lock_file_wait	2015-07-13 06:29:11 -04:00
Makefile	userfaultfd: buildsystem activation	2015-09-04 16:54:41 -07:00
mbcache.c
mount.h
mpage.c	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
namei.c	may_follow_link() should use nd->inode	2015-08-04 23:23:50 -04:00
namespace.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2015-09-01 16:13:25 -07:00
no-block.c
nsfs.c	nsfs: Add a show_path method to fix mountinfo	2015-07-11 11:09:00 -05:00
open.c	vfs: Commit to never having exectuables on proc and sysfs.	2015-07-10 10:39:25 -05:00
pipe.c
pnode.c
pnode.h	mnt: Clarify and correct the disconnect logic in umount_tree	2015-07-22 20:33:27 -05:00
posix_acl.c
proc_namespace.c
read_write.c
readdir.c
select.c
seq_file.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
signalfd.c	signalfd: fix information leak in signalfd_copyinfo	2015-08-07 04:39:40 +03:00
splice.c
stack.c
stat.c
statfs.c
super.c
sync.c
timerfd.c
userfaultfd.c	userfaultfd: avoid missing wakeups during refile in userfaultfd_read	2015-09-04 16:54:41 -07:00
utimes.c
xattr.c