From: Kirill Tkhai <tkhai@yandex.ru>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH]sched/rt.c: leaf_rt_rq_list contains empty queues. Fix it
Date: Fri, 21 Sep 2012 17:35:55 +0400 [thread overview]
Message-ID: <668281348234555@web30d.yandex.ru> (raw)
Function __enqueue_rt_entity() adds an empty queue to leaf_rt_rq_list.
So, pick_next_highest_task_rt() picks empty queues. Fix it.
Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
---
kernel/sched/rt.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 944cb68..b07edb9 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1103,7 +1103,7 @@ static void __enqueue_rt_entity(struct sched_rt_entity *rt_se, bool head)
if (group_rq && (rt_rq_throttled(group_rq) || !group_rq->rt_nr_running))
return;
- if (!rt_rq->rt_nr_running)
+ if (rt_rq->rt_nr_running)
list_add_leaf_rt_rq(rt_rq);
if (head)
next reply other threads:[~2012-09-21 13:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-21 13:35 Kirill Tkhai [this message]
2012-09-21 14:21 ` Kirill Tkhai
2012-09-21 14:32 ` Steven Rostedt
2012-09-21 14:39 ` Kirill Tkhai
2012-09-21 14:31 ` Steven Rostedt
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