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Oleg Nesterov ad86622b47 wait: swap EXIT_ZOMBIE and EXIT_DEAD to hide EXIT_TRACE from user-space 
get_task_state() uses the most significant bit to report the state to
user-space, this means that EXIT_ZOMBIE->EXIT_TRACE->EXIT_DEAD transition
can be noticed via /proc as Z -> X -> Z change.  Note that this was
possible even before EXIT_TRACE was introduced.

This is not really bad but imho it make sense to hide EXIT_TRACE from
user-space completely.  So the patch simply swaps EXIT_ZOMBIE and
EXIT_DEAD, this way EXIT_TRACE will be seen as EXIT_ZOMBIE by user-space.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Michal Schmidt <mschmidt@redhat.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Lennart Poettering <lpoetter@redhat.com>
Cc: Roland McGrath <roland@hack.frob.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-07 16:36:06 -07:00
..
9p
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
adfs
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
affs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
afs
mm + fs: store shadow entries in page cache
2014-04-03 16:21:01 -07:00
autofs4
…
befs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
bfs
mm + fs: store shadow entries in page cache
2014-04-03 16:21:01 -07:00
btrfs
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
cachefiles
Merge branch 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2014-04-04 14:03:05 -07:00
ceph
ceph: fix __dcache_readdir()
2014-02-17 12:37:13 -08:00
cifs
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
coda
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
configfs
…
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
dlm: use INFO for recovery messages
2014-02-14 11:54:44 -06:00
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
mm + fs: store shadow entries in page cache
2014-04-03 16:21:01 -07:00
exportfs
…
ext2
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
ext3
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
ext4
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
f2fs
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -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
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
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
mm, hugetlb: unify region structure handling
2014-04-03 16:20:59 -07:00
isofs
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
jbd
…
jbd2
jbd2: improve error messages for inconsistent journal heads
2014-03-12 16:38:03 -04:00
jffs2
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -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
Merge branch 'akpm' (incoming from Andrew)
2014-04-03 16:22:16 -07:00
lockd
lockd: send correct lock when granting a delayed lock.
2014-02-13 14:55:02 -05:00
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
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
nfs
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
nfs_common
…
nfsd
Merge branch 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2014-04-04 14:03:05 -07:00
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: move unrelated handling from copy_event_to_user()
2014-04-03 16:20:51 -07:00
ntfs
ntfs: logging clean-up
2014-04-07 16:35:49 -07:00
ocfs2
Nothing major: the stricter permissions checking for sysfs broke
2014-04-06 09:38:07 -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
wait: swap EXIT_ZOMBIE and EXIT_DEAD to hide EXIT_TRACE from user-space
2014-04-07 16:36:06 -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
quota: provide function to grab quota structure reference
2014-04-03 16:20:54 -07:00
ramfs
…
reiserfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -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
Revert "sysfs, driver-core: remove unused {sysfs|device}_schedule_callback_owner()"
2014-03-25 20:54:57 -07:00
sysv
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
ubifs
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
udf
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
ufs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
xfs
mm: implement ->map_pages for page cache
2014-04-07 16:35:53 -07:00
aio.c
…
anon_inodes.c
vfs: Allocate anon_inode_inode in anon_inode_init()
2014-03-27 09:52:54 -07:00
attr.c
…
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
Merge branch 'for-3.15/core' of git://git.kernel.dk/linux-block
2014-04-01 19:19:15 -07:00
bio.c
Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2014-04-03 13:05:42 -07:00
block_dev.c
mm + fs: store shadow entries in page cache
2014-04-03 16:21:01 -07:00
buffer.c
Merge branch 'master' into for-next
2014-02-20 14:54:28 +01:00
char_dev.c
…
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
Merge branch 'locks-3.15' of git://git.samba.org/jlayton/linux
2014-04-04 14:21:20 -07:00
coredump.c
…
dcache.c
vfs: add cross-rename
2014-04-01 17:08:43 +02:00
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
…
exec.c
exec: kill bprm->tcomm[], simplify the "basename" logic
2014-04-07 16:36:05 -07:00
fcntl.c
locks: add new fcntl cmd values for handling file private locks
2014-03-31 08:24:43 -04:00
fhandle.c
…
file_table.c
Merge branch 'locks-3.15' of git://git.samba.org/jlayton/linux
2014-04-04 14:21:20 -07:00
file.c
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-03-31 11:05:24 -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
…
locks.c
locks: make locks_mandatory_area check for file-private locks
2014-03-31 08:24:43 -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
switch mnt_hash to hlist
2014-03-30 19:18:51 -04:00
mpage.c
…
namei.c
Merge branch 'locks-3.15' of git://git.samba.org/jlayton/linux
2014-04-04 14:21:20 -07:00
namespace.c
switch mnt_hash to hlist
2014-03-30 19:18:51 -04:00
no-block.c
…
open.c
xfs: update for 3.15-rc1
2014-04-04 15:50:08 -07:00
pipe.c
…
pnode.c
switch mnt_hash to hlist
2014-03-30 19:18:51 -04:00
pnode.h
switch mnt_hash to hlist
2014-03-30 19:18:51 -04:00
posix_acl.c
One of the main highlights this time, is not the patches themselves
2014-04-04 14:49:16 -07:00
proc_namespace.c
fs/proc_namespace.c: simplify testing nsp and nsp->mnt_ns
2014-01-23 16:37:02 -08:00
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
…
seq_file.c
…
signalfd.c
…
splice.c
…
stack.c
…
stat.c
…
statfs.c
…
super.c
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
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
…