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Message-Id: <1252655445.7126.4.camel@laptop>
Date: Fri, 11 Sep 2009 09:50:45 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Xiao Guangrong <xiaoguangrong@...fujitsu.com>
Cc: akpm@...ux-foundation.org, mm-commits@...r.kernel.org,
jens.axboe@...cle.com, mingo@...e.hu, nickpiggin@...oo.com.au,
rusty@...tcorp.com.au, suresh.b.siddha@...el.com,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: +
generic-ipi-fix-the-race-between-generic_smp_call_function_-and-hotplug_cfd.patch
added to -mm tree
On Fri, 2009-09-11 at 15:45 +0800, Xiao Guangrong wrote:
> CPU A call smp_call_function_many(wait=0) that want CPU B to call
Ah, right, the .wait=0 is the clue, that makes all this
get/put_onlines_cpus() useless..
You're right, carry on ;-)
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