[PATCH] zap_other_threads: don't optimize thread_group_empty() case

[Oleg Nesterov]

Nowadays thread_group_empty() and next_thread() are simple list operations,
this optimization doesn't make sense: we are doing exactly same check one
line below.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

--- t/kernel/signal.c~4_ZOT	2007-08-03 21:11:59.000000000 +0400
+++ t/kernel/signal.c	2007-08-05 19:28:13.000000000 +0400
@@ -987,9 +987,6 @@ void zap_other_threads(struct task_struc
 	p->signal->flags = SIGNAL_GROUP_EXIT;
 	p->signal->group_stop_count = 0;
 
-	if (thread_group_empty(p))
-		return;
-
 	for (t = next_thread(p); t != p; t = next_thread(t)) {
 		/*
 		 * Don't bother with already dead threads

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/