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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-03-28 16:11:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-28 18:36:43 -0800 |
| commit | aacc90944d4b1f2fcec73a8127eb60a3a701ce1c (patch) | |
| tree | 34b8977a00913e46858d918fd437143882c66ee3 /kernel/exit.c | |
| parent | a122b341b74c08020f6521b615acca6a692aac79 (diff) | |
| download | lwn-aacc90944d4b1f2fcec73a8127eb60a3a701ce1c.tar.gz lwn-aacc90944d4b1f2fcec73a8127eb60a3a701ce1c.zip | |
[PATCH] do_group_exit: don't take tasklist_lock
do_group_exit() takes tasklist_lock for zap_other_threads(), this is unneeded
now.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 44d6c6e3896d..aea23e713cf4 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -985,7 +985,6 @@ do_group_exit(int exit_code) else if (!thread_group_empty(current)) { struct signal_struct *const sig = current->signal; struct sighand_struct *const sighand = current->sighand; - read_lock(&tasklist_lock); spin_lock_irq(&sighand->siglock); if (sig->flags & SIGNAL_GROUP_EXIT) /* Another thread got here before we took the lock. */ @@ -995,7 +994,6 @@ do_group_exit(int exit_code) zap_other_threads(current); } spin_unlock_irq(&sighand->siglock); - read_unlock(&tasklist_lock); } do_exit(exit_code); |