linux-kernel - Re: [PATCH RESEND v10] sched/deadline: support dl task migration during cpu hotplug

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Message-ID: <20150330091219.GQ23123@twins.programming.kicks-ass.net>
Date:	Mon, 30 Mar 2015 11:12:19 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Juri Lelli <juri.lelli@....com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Wanpeng Li <wanpeng.li@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"juri.lelli@...il.com" <juri.lelli@...il.com>
Subject: Re: [PATCH RESEND v10] sched/deadline: support dl task migration
 during cpu hotplug

On Tue, Mar 24, 2015 at 09:27:09AM +0000, Juri Lelli wrote:
> Right, it should not happen. It happens because hotplug operations are
> destructive w.r.t. cpusets. Peter, how about we move the check you put
> in sched_cpu_inactive() to cpuset_cpu_inactive()? This way, if we fail,
> we don't need to destroy/rebuild the domains.

Seems ok to my Monday brain, could you shoot a coherent Changelog this
way so that I can copy/paste it into the patch?
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