linux-kernel - Re: [PATCH] sched: wake up task on prev_cpu if not in SD_WAKE

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Message-ID: <1399658123.5187.2.camel@marge.simpson.net>
Date:	Fri, 09 May 2014 19:55:23 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Rik van Riel <riel@...hat.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, morten.rasmussen@....com,
	mingo@...nel.org, george.mccollister@...il.com,
	ktkhai@...allels.com
Subject: Re: [PATCH] sched: wake up task on prev_cpu if not in
 SD_WAKE_AFFINE domain with cpu

On Fri, 2014-05-09 at 11:24 -0400, Rik van Riel wrote: 
> On 05/09/2014 11:24 AM, Mike Galbraith wrote:

> > If no ->flags & SD_BALANCE_WAKE is encountered during traversal, sd
> > remains NULL, we fall through to return prev_cpu.
    ^^^^^^^^^^^^ 

> We do fall through, but into this loop:

>          while (sd) {



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