linux-kernel - Re: [RFC PATCH 0/2] sched: simplify the select_task_rq

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Message-ID: <1358917340.5752.57.camel@marge.simpson.net>
Date:	Wed, 23 Jan 2013 06:02:20 +0100
From:	Mike Galbraith <bitbucket@...ine.de>
To:	Michael Wang <wangyun@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...hat.com,
	peterz@...radead.org, mingo@...nel.org, a.p.zijlstra@...llo.nl
Subject: Re: [RFC PATCH 0/2] sched: simplify the select_task_rq_fair()

On Wed, 2013-01-23 at 11:01 +0800, Michael Wang wrote: 
> On 01/22/2013 07:34 PM, Mike Galbraith wrote:
>  I suppose it's A, so my logical is:
> >> 1. find idle cpu in prev domain.
> >> 2. if failed and affine, find idle cpu in current domain.
> > 
> > Hm.  If cpu and prev_cpu are cache affine, you already searched both.
> > 
> 
> Well, it's true if affine cpus means their sd topology are always same,
> but do we have a promise on it?

Ignore that, I think apple/orange communication happened.

-Mike



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