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Subject: Re: [.32-rc3] scheduler: iwlagn consistently high in "waiting for
	CPU"
From: Mike Galbraith <efault@gmx.de>
To: Frans Pop <elendil@planet.nl>
Cc: Arjan van de Ven <arjan@infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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Date: Thu, 08 Oct 2009 20:23:37 +0200
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difference whatsoever for you.  Here, it definitely does. (shouldn't)

Index: linux-2.6/kernel/sched_fair.c
===================================================================
--- linux-2.6.orig/kernel/sched_fair.c
+++ linux-2.6/kernel/sched_fair.c
@@ -495,8 +495,10 @@ static void update_curr(struct cfs_rq *c
 	u64 now = rq_of(cfs_rq)->clock;
 	unsigned long delta_exec;
 
-	if (unlikely(!curr))
+	if (unlikely(!curr)) {
+		update_rq_clock(rq_of(cfs_rq));
 		return;
+	}
 
 	/*
 	 * Get the amount of time the current task was running