From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
To: Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH 3/3] sched/rt: Remove redundant check before push_rt_task()
Date: Fri, 25 May 2012 15:43:41 +0900 [thread overview]
Message-ID: <4FBF2A1D.2090302@ct.jp.nec.com> (raw)
In-Reply-To: <4FBF29B2.9030904@ct.jp.nec.com>
From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Currently rq->rt.overloaded is checked twice in switched_to_rt().
Remove the first one which out of push_rt_task().
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
---
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 c5565c3..a601a70 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1907,7 +1907,7 @@ static void switched_to_rt(struct rq *rq, struct task_struct *p)
*/
if (p->on_rq && rq->curr != p) {
#ifdef CONFIG_SMP
- if (rq->rt.overloaded && push_rt_task(rq) &&
+ if (push_rt_task(rq) &&
/* Don't resched if we changed runqueues */
rq != task_rq(p))
check_resched = 0;
--
1.7.7.6
next prev parent reply other threads:[~2012-05-25 6:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-25 6:41 [PATCH 1/3] sched: Make sched_feat_names const Hiroshi Shimamoto
2012-05-25 6:42 ` [PATCH 2/3] sched: Remove the last NULL entry from sched_feat_names Hiroshi Shimamoto
2012-05-30 13:42 ` [tip:sched/urgent] " tip-bot for Hiroshi Shimamoto
2012-05-25 6:43 ` Hiroshi Shimamoto [this message]
2012-05-25 9:39 ` [PATCH 3/3] sched/rt: Remove redundant check before push_rt_task() Peter Zijlstra
2012-05-25 13:08 ` Steven Rostedt
2012-05-30 13:41 ` [tip:sched/urgent] sched: Make sched_feat_names const tip-bot for Hiroshi Shimamoto
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