diff options
| author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-01-08 01:03:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:13:57 -0800 |
| commit | 86174cdcb44c095ffd2e3ca69caa56244cf701d5 (patch) | |
| tree | 37d6cd5e6145fb659f436399268be1e7be950e61 /kernel | |
| parent | 08efd10edff199f0c992f04052e897a3f2048508 (diff) | |
| download | lwn-86174cdcb44c095ffd2e3ca69caa56244cf701d5.tar.gz lwn-86174cdcb44c095ffd2e3ca69caa56244cf701d5.zip | |
[PATCH] remove unneeded sig->curr_target recalculation
This patch removes unneeded sig->curr_target recalculation under 'if
(atomic_dec_and_test(&sig->count))' in __exit_signal().
When sig->count == 0 the signal can't be sent to this task and
next_thread(tsk) == tsk anyway.
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')
| -rw-r--r-- | kernel/signal.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 114cf9209bcd..08aa5b263f36 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -364,8 +364,6 @@ void __exit_signal(struct task_struct *tsk) posix_cpu_timers_exit(tsk); if (atomic_dec_and_test(&sig->count)) { posix_cpu_timers_exit_group(tsk); - if (tsk == sig->curr_target) - sig->curr_target = next_thread(tsk); tsk->signal = NULL; __exit_sighand(tsk); spin_unlock(&sighand->siglock); |