| commit | d2ee7198cc2414aade234a3cebc69e6cbff35d9b | |
| author | Oleg Nesterov <oleg@tv-sign.ru> | |
| Wed, 17 Oct 2007 06:26:47 +0000 (16 23:26 -0700) | ||
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | |
| Wed, 17 Oct 2007 15:42:51 +0000 (17 08:42 -0700) | ||
| tree | e89d52b8b64f6eb675add025ba8507863e4bc0f8 | treesnapshot (tar.gz zip) |
| parent | 7917ff9a4cefd0500aa4a1b1942da96dbce6999f | commitdiff |
pi-futex: set PF_EXITING without taking ->pi_lock
It is a bit annoying that do_exit() takes ->pi_lock to set PF_EXITING. All
we need is to synchronize with lookup_pi_state() which saw this task
without PF_EXITING under ->pi_lock.
Change do_exit() to use spin_unlock_wait().
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It is a bit annoying that do_exit() takes ->pi_lock to set PF_EXITING. All
we need is to synchronize with lookup_pi_state() which saw this task
without PF_EXITING under ->pi_lock.
Change do_exit() to use spin_unlock_wait().
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| kernel/exit.c | diffblobblamehistory |