linux-kernel - Re: Very high CPU load when idle with 3.0-rc1

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Message-ID: <1306774036.23844.3.camel@twins>
Date:	Mon, 30 May 2011 18:47:16 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Damien Wyart <damien.wyart@...e.fr>, Ingo Molnar <mingo@...e.hu>,
	Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org
Subject: Re: Very high CPU load when idle with 3.0-rc1

On Mon, 2011-05-30 at 09:41 -0700, Paul E. McKenney wrote:
> > > +static void __cpuinit rcu_wake_one_boost_kthread(struct rcu_node *rnp)
> > > +{
> > > +   if (rnp->boost_kthread_task)
> > > +           wake_up_process(rnp->boost_thread_task);
> 
> And this needs to be:
> 
>         wake_up_process(rnp->boost_kthread_task);
> 
> I fixed this in my tree, continuing testing. 

d'oh yes.
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