Re: +generic-ipi-fix-the-race-between-generic_smp_call_function_-and-hotplug_cfd.patchadded to -mm tree

[Peter Zijlstra]

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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