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SubjectRe: + generic-ipi-fix-the-race-between-generic_smp_call_function_-and-hotplug_cfd.patch added to -mm tree
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On Thu, 2009-09-17 at 11:00 +0800, Xiao Guangrong wrote:
> Waiting all cpu handle its IPI interruption in stop_machine() path will make
> it slower, I'm not sure it's OK.

It is, its an absolute slow path.



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