linux-kernel - Re: [BUG] TASK_DEAD task is able to be woken up in special condition

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Date:	Fri, 27 Jan 2012 09:21:43 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Yasunori Goto <y-goto@...fujitsu.com>,
	Ingo Molnar <mingo@...e.hu>,
	Hiroyuki KAMEZAWA <kamezawa.hiroyu@...fujitsu.com>,
	Linux Kernel ML <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] TASK_DEAD task is able to be woken up in special condition

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.
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