linux-kernel - Re: [patch v2 1/2] sched: Use resched IPI to kick off the nohz idle balance

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Message-ID: <20111006172731.GA31781@redhat.com>
Date:	Thu, 6 Oct 2011 13:27:31 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Venki Pallipadi <venki@...gle.com>,
	Ingo Molnar <mingo@...e.hu>,
	Prarit Bhargava <prarit@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>, stable@...nel.org
Subject: Re: [patch v2 1/2] sched: Use resched IPI to kick off the nohz idle
 balance

On Mon, Oct 03, 2011 at 03:09:00PM -0700, Suresh Siddha wrote:
[..]
> 
>    [ This issue is present from 2.6.35+ kernels, but marking it -stable
>      only from v3.0+ as the proposed fix depends on the scheduler_ipi()
>      that is introduced recently. ]
> 

Hi Suresh,

Are you planning to fix this issue for older kernels too? I am wondering
how to go about fixing it there.

Thanks
Vivek
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