linux-kernel - Re: rcu_preempt running flat out on idle desktop.

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Date:	Sun, 23 Jun 2013 12:58:39 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Dave Jones <davej@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	paulmck@...ux.vnet.ibm.com,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: rcu_preempt running flat out on idle desktop.


* Dave Jones <davej@...hat.com> wrote:

> On Wed, Jun 12, 2013 at 11:34:07AM -0400, Dave Jones wrote:
>  > On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote:
>  > 
>  >  > > Every process 200% or 0%.
>  >  > 
>  >  > I see, would you mind testing this branch?
>  >  > 
>  >  > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
>  >  > 	timers/urgent
>  >  > 
>  >  > It might help, I specially think about 45eacc692771bd2b1ea3d384e6345cab3da10861
>  >  > ("vtime: Use consistent clocks among nohz accounting") which fixes an issue
>  >  > with cputime accounting that resulted in similar symptoms.
>  > 
>  > So that patch has been in 'urgent' for a month. Can someone move it
>  > to really-urgent or whatever is necessary to get it into Linus' tree ?
> 
> Another week passes...

It was sent to Linus two days before your mail and Linus merged it at 
around the time you wrote your mail.

So it should be all in -rc7, unless I'm missing something?

Thanks,

	Ingo
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