linux-kernel - Re: [RFC][PATCH 17/17] sched: Sort hotplug vs ttwu queueing

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Date:	Mon, 03 Jan 2011 12:21:36 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Yong Zhang <yong.zhang0@...il.com>
Cc:	Chris Mason <chris.mason@...cle.com>,
	Frank Rowand <frank.rowand@...sony.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mike Galbraith <efault@....de>,
	Oleg Nesterov <oleg@...hat.com>, Paul Turner <pjt@...gle.com>,
	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH 17/17] sched: Sort hotplug vs ttwu queueing

On Wed, 2010-12-29 at 22:51 +0800, Yong Zhang wrote:
> > +     rq = this_rq(); /* always enqueue locally */
> 
> But it's possible that p is not allowed to run on this cpu,
> right?
> 
> 
Very good point, yes I totally forgot about that.. stupid
->cpus_allowed.

OK, I guess we need a new select_task_rq() call in the offline case..
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