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Message-ID: <1327652503.2446.128.camel@twins>
Subject: Re: [BUG] TASK_DEAD task is able to be woken up in special condition
From: Peter Zijlstra <peterz@infradead.org>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>, Yasunori Goto <y-goto@jp.fujitsu.com>,
        Ingo Molnar <mingo@elte.hu>,
        Hiroyuki KAMEZAWA <kamezawa.hiroyu@jp.fujitsu.com>,
        Linux Kernel ML <linux-kernel@vger.kernel.org>
Date: Fri, 27 Jan 2012 09:21:43 +0100
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On Thu, 2012-01-26 at 16:21 -0500, KOSAKI Motohiro wrote:
> 
> Sorry for the delay. Yeah, I think this should work. (even though I
> don't understand __migrate_task() detail) 

__migrate_task() isn't a problem, its use of activate/deactivate is safe
but also superfluous so I removed it too.