linux-kernel - Re: [PATCH] Make sure timers have migrated before killing migration

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Date:	Mon, 24 May 2010 15:28:45 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>
Cc:	tj@...nel.org, Ingo Molnar <mingo@...e.hu>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Gautham R Shenoy <ego@...ibm.com>,
	Darren Hart <dvhltc@...ibm.com>,
	Brian King <brking@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Make sure timers have migrated before killing
 migration_thread

On Mon, 2010-05-24 at 15:29 +0530, Amit K. Arora wrote:
> since _cpu_up() and _cpu_down() can never run in
> parallel, because of cpu_add_remove_lock. 

Ah indeed. I guess your initial patch works then. 


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