[patch] BFS 421-1: fix selecting CPU for migrating nohz timer

[Hillf Danton]

Bail out walking the hierarchy of schedule domain only if a busy CPU
is discovered.

SOB: Hillf Danton <dhillf@xxxxxxxxx>
---

--- a/kernel/sched/bfs.c	Thu Jul  5 20:12:06 2012
+++ b/kernel/sched/bfs.c	Thu Jul  5 20:12:50 2012
@@ -4937,9 +4937,10 @@ int get_nohz_timer_target(void)
 	rcu_read_lock();
 	for_each_domain(cpu, sd) {
 		for_each_cpu(i, sched_domain_span(sd)) {
-			if (!idle_cpu(i))
+			if (!idle_cpu(i)) {
 				cpu = i;
-			goto unlock;
+				goto unlock;
+			}
 		}
 	}
 unlock:
--
--
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/