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

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Message-ID: <20110531014557.GV2668@linux.vnet.ibm.com>
Date:	Mon, 30 May 2011 18:45:57 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
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, May 30, 2011 at 11:35:28PM +0200, Peter Zijlstra wrote:
> On Mon, 2011-05-30 at 14:29 -0700, Paul E. McKenney wrote:
> > But I should be able to move them back in under "if (cpu_online(cpu))",
> > right? 
> 
> Yeah, you should be able to put the wakeup in the spawn function when
> made conditional on cpu_online(), although I'm not quite sure how to do
> that for the rnp case, but I guess you'll have a better grasp on that.

OK, will give it a go.

							Thanx, Paul
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