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    SubjectRe: [PATCH UPDATED#2 04/16] x86: Use local variable to cache smp_processor_id() in setup_local_APIC()
    On Tue, Nov 30, 2010 at 07:11:45PM +0100, Tejun Heo wrote:
    > This is a trivial clean up.
    > * Move initialization of @cpu inside preemption disabled region as
    > suggested by Cyrill Gorcunov.
    > Signed-off-by: Tejun Heo <>
    > Cc: Yinghai Lu <>
    > Cc: Cyrill Gorcunov <>
    > ---
    > Alright, updated yet again, but I frankly don't see the point in these

    code structure, if we would be referring variable taken inside preempt
    off this always look suspicious, i think you agree with me :)

    > changes. If setup_local_APIC() is being run from a different CPU, we
    > have a much larger problem. We're already accessing cpu local
    > resources (tsc, lapic) outside of preemption disabled area. But,
    > anyways, I don't think it matters one way or the other.
    > Thanks.

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