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 <[EMAIL PROTECTED]>
--- t/kernel/signal.c~ 2007-08-03 02:26:30.000000000 +0400
+++ t/kernel/signal.c 2007-08-03 02:28:50.000000000 +0400
@@ -2342,7 +2342,6 @@ int do_sigaction(int sig, struct k_sigac
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);
}
-
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