linux-kernel - [tip:sched/urgent] sched: Make warning less noisy

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Message-ID: <tip-416eb39556a03d1c7e52b0791e9052ccd71db241@git.kernel.org>
Date:	Thu, 17 Dec 2009 05:09:36 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, efault@....de, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:sched/urgent] sched: Make warning less noisy

Commit-ID:  416eb39556a03d1c7e52b0791e9052ccd71db241
Gitweb:     http://git.kernel.org/tip/416eb39556a03d1c7e52b0791e9052ccd71db241
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Thu, 17 Dec 2009 06:05:49 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 17 Dec 2009 06:05:49 +0100

sched: Make warning less noisy

Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
LKML-Reference: <20091216170517.807938893@...llo.nl>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/sched.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 8a2bfd3..af7dfa7 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2041,7 +2041,7 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
 	 * We should never call set_task_cpu() on a blocked task,
 	 * ttwu() will sort out the placement.
 	 */
-	WARN_ON(p->state != TASK_RUNNING && p->state != TASK_WAKING);
+	WARN_ON_ONCE(p->state != TASK_RUNNING && p->state != TASK_WAKING);
 #endif
 
 	trace_sched_migrate_task(p, new_cpu);
--
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