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Oleg Nesterov b3f68f16db task_work: Revert "hold task_lock around checks in keyctl" 
This reverts commit d35abdb288.

task_lock() was added to ensure exit_mm() and thus exit_task_work() is
not possible before task_work_add().

This is wrong, task_lock() must not be nested with write_lock(tasklist).
And this is no longer needed, task_work_add() now fails if it is called
after exit_task_work().

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20120826191214.GA4231@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 		2012-09-13 16:47:36 +02:00
..
apparmor split ->file_mmap() into ->mmap_addr()/->mmap_file() 2012-05-31 13:11:54 -04:00
integrity ima: audit is compiled only when enabled 2012-07-05 16:43:59 -04:00
keys task_work: Revert "hold task_lock around checks in keyctl" 2012-09-13 16:47:36 +02:00
selinux selinux: tag avc cache alloc as non-critical 2012-07-31 18:42:47 -07:00
smack smack: off by one error 2012-07-30 15:04:17 +10:00
tomoyo Merge branch 'master' of git://git.infradead.org/users/eparis/selinux into next 2012-05-22 11:21:06 +10:00
yama Yama: access task_struct->comm directly 2012-08-17 20:40:38 +10:00
Kconfig KEYS: Move the key config into security/keys/Kconfig 2012-05-11 10:56:56 +01:00
Makefile security: Yama LSM 2012-02-10 09:18:52 +11:00
capability.c split ->file_mmap() into ->mmap_addr()/->mmap_file() 2012-05-31 13:11:54 -04:00
commoncap.c split ->file_mmap() into ->mmap_addr()/->mmap_file() 2012-05-31 13:11:54 -04:00
device_cgroup.c cgroup: convert all non-memcg controllers to the new cftype interface 2012-04-01 12:09:55 -07:00
inode.c
…
lsm_audit.c LSM: BUILD_BUG_ON if the common_audit_data union ever grows 2012-04-09 12:23:03 -04:00
min_addr.c
…
security.c security: Fix nommu build. 2012-07-03 21:41:03 +10:00