Commit 045f902d authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds

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: default avatarOleg Nesterov <oleg@tv-sign.ru>
Acked-by: default avatarRoland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d2ee7198
...@@ -2335,7 +2335,6 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) ...@@ -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); rm_from_queue_full(&mask, &t->signal->shared_pending);
do { do {
rm_from_queue_full(&mask, &t->pending); rm_from_queue_full(&mask, &t->pending);
recalc_sigpending_and_wake(t);
t = next_thread(t); t = next_thread(t);
} while (t != current); } while (t != current);
} }
......
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