From: Peter Zijlstra <peterz@infradead.org>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: akpm@linux-foundation.org, mm-commits@vger.kernel.org,
jens.axboe@oracle.com, mingo@elte.hu, nickpiggin@yahoo.com.au,
rusty@rustcorp.com.au, suresh.b.siddha@intel.com,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: + generic-ipi-fix-the-race-between-generic_smp_call_function_-and-hotplug_cfd.patch added to -mm tree
Date: Fri, 11 Sep 2009 09:50:45 +0200 [thread overview]
Message-ID: <1252655445.7126.4.camel@laptop> (raw)
In-Reply-To: <4AAA0001.2060703@cn.fujitsu.com>
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 ;-)
next prev parent reply other threads:[~2009-09-11 7:51 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-31 0:30 + generic-ipi-fix-the-race-between-generic_smp_call_function_-and-hotplug_cfd.patch added to -mm tree akpm
[not found] ` <1252616988.7205.102.camel@laptop>
2009-09-11 7:45 ` Xiao Guangrong
2009-09-11 7:50 ` Peter Zijlstra [this message]
2009-09-11 19:08 ` Suresh Siddha
2009-09-14 7:22 ` Xiao Guangrong
2009-09-15 0:16 ` Suresh Siddha
2009-09-15 2:03 ` Xiao Guangrong
2009-09-16 2:20 ` Suresh Siddha
2009-09-17 3:00 ` Xiao Guangrong
2009-09-17 7:45 ` Peter Zijlstra
2009-09-19 2:16 ` Suresh Siddha
2009-09-21 2:55 ` Xiao Guangrong
2009-09-21 3:11 ` Suresh Siddha
2009-09-21 4:04 ` Xiao Guangrong
2009-09-22 5:32 ` Suresh Siddha
2009-09-22 6:52 ` Xiao Guangrong
-- strict thread matches above, loose matches on Subject: below --
2009-07-29 23:31 akpm
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