linux-kernel - [tip:sched/locking] sched: Move wq_worker

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Message-ID: <tip-c2f7115e2e52a6c187b8c1f54f0e4970bb677be0@git.kernel.org>
Date:	Thu, 14 Apr 2011 08:32:28 GMT
From:	tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, tj@...nel.org, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:sched/locking] sched: Move wq_worker_waking to the correct site

Commit-ID:  c2f7115e2e52a6c187b8c1f54f0e4970bb677be0
Gitweb:     http://git.kernel.org/tip/c2f7115e2e52a6c187b8c1f54f0e4970bb677be0
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Wed, 13 Apr 2011 13:28:56 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 14 Apr 2011 08:52:33 +0200

sched: Move wq_worker_waking to the correct site

wq_worker_waking_up() needs to match wq_worker_sleeping(), since the
latter is only called on deactivate, move the former near activate.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Tejun Heo <tj@...nel.org>
Link: http://lkml.kernel.org/n/top-t3m7n70n9frmv4pv2n5fwmov@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/sched.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 55cc503..81ab58e 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2421,6 +2421,10 @@ static inline void ttwu_activate(struct task_struct *p, struct rq *rq,
 		schedstat_inc(p, se.statistics.nr_wakeups_remote);
 
 	activate_task(rq, p, en_flags);
+
+	/* if a worker is waking up, notify workqueue */
+	if (p->flags & PF_WQ_WORKER)
+		wq_worker_waking_up(p, cpu_of(rq));
 }
 
 static inline void ttwu_post_activation(struct task_struct *p, struct rq *rq,
@@ -2445,9 +2449,6 @@ static inline void ttwu_post_activation(struct task_struct *p, struct rq *rq,
 		rq->idle_stamp = 0;
 	}
 #endif
-	/* if a worker is waking up, notify workqueue */
-	if ((p->flags & PF_WQ_WORKER) && success)
-		wq_worker_waking_up(p, cpu_of(rq));
 }
 
 /**
--
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