linux-kernel - Re: [RFC][PATCH 3/4] sched: Change sched_class::set_cpus

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Message-ID: <5559B235.7030405@arm.com>
Date:	Mon, 18 May 2015 10:34:45 +0100
From:	Juri Lelli <juri.lelli@....com>
To:	Peter Zijlstra <peterz@...radead.org>,
	"pang.xunlei@....com.cn" <pang.xunlei@....com.cn>
CC:	"dedekind1@...il.com" <dedekind1@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-kernel-owner@...r.kernel.org" 
	<linux-kernel-owner@...r.kernel.org>,
	"mgorman@...e.de" <mgorman@...e.de>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"riel@...hat.com" <riel@...hat.com>,
	"rostedt@...dmis.org" <rostedt@...dmis.org>
Subject: Re: [RFC][PATCH 3/4] sched: Change sched_class::set_cpus_allowed
 calling context

Hi Peter,

On 05/18/2015 09:32 AM, Peter Zijlstra wrote:
> On Mon, May 18, 2015 at 03:37:43PM +0800, pang.xunlei@....com.cn wrote:
>> Hi Peter,
>>
>> With this modification, I think the pushing action in my previous patch 
>> "Check to push the task away after its affinity was changed" will not
>> be able to be implemented inside sched_class::set_cpus_allowed().
> 
> Ah, right, I knew there was a patch I needed to look at.
> 
> I'll try and not forget, but there's a few regression reports I need to
> look at first.
> 

Apart from this (and the fact that I still have to look at Xunlei's patches too)
the changes seem ok with DL. Didn't test them yet though. I'll do it soon.

Best,

- Juri

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