diff options
| author | Oleg Nesterov <oleg@tv-sign.ru> | 2007-10-17 08:26:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 17:42:51 +0200 |
| commit | 045f902de5a6eb5927c0f092c38be7a381f634f0 (patch) | |
| tree | ab85cec6415197016032f97146c8004e846cdd5c /kernel/signal.c | |
| parent | pi-futex: set PF_EXITING without taking ->pi_lock (diff) | |
| download | linux-045f902de5a6eb5927c0f092c38be7a381f634f0.tar.xz linux-045f902de5a6eb5927c0f092c38be7a381f634f0.zip | |
do_sigaction: remove now unneeded recalc_sigpending()
With the recent changes, do_sigaction()->recalc_sigpending_and_wake() can
never clear TIF_SIGPENDING. Instead, it can set this flag and wake up the
thread without any reason. Harmless, but unneeded and wastes CPU.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 792952381092..2f7736ff7418 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2335,7 +2335,6 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) rm_from_queue_full(&mask, &t->signal->shared_pending); do { rm_from_queue_full(&mask, &t->pending); - recalc_sigpending_and_wake(t); t = next_thread(t); } while (t != current); } |