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    SubjectRe: [PATCH 0/3] resend, cpuset/hotplug fixes
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    On Fri, 2009-09-11 at 15:15 +0800, Lai Jiangshan wrote:
    >
    > I have different concept. cpuset_cpus_allowed() is not called at atomic
    > context nor non-preemptable context nor other critical context.
    > So it should be allowed to use mutexs. That's what I think.

    It hardly does any work at all, so why bother with a mutex?



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