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authorOleg Nesterov <oleg@tv-sign.ru>2007-10-17 02:26:47 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 11:42:51 -0400
commit045f902de5a6eb5927c0f092c38be7a381f634f0 (patch)
treeab85cec6415197016032f97146c8004e846cdd5c /kernel
parentd2ee7198cc2414aade234a3cebc69e6cbff35d9b (diff)
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')
-rw-r--r--kernel/signal.c1
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)
2335 rm_from_queue_full(&mask, &t->signal->shared_pending); 2335 rm_from_queue_full(&mask, &t->signal->shared_pending);
2336 do { 2336 do {
2337 rm_from_queue_full(&mask, &t->pending); 2337 rm_from_queue_full(&mask, &t->pending);
2338 recalc_sigpending_and_wake(t);
2339 t = next_thread(t); 2338 t = next_thread(t);
2340 } while (t != current); 2339 } while (t != current);
2341 } 2340 }