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    SubjectRe: [PATCH] [CPU-HOTPLUG] convert cpucontrol to be a rwsem
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    On Mon, 2004-11-01 at 07:00 -0700, Zwane Mwaikambo wrote:
    > Agreed it makes a lot more sense, i think there could be some places where
    > we use preempt_disable to protect against cpu offline which could
    > converted, but that can come later.
    >

    You know I picked up Robert Love's book the other day and was surprised
    to read we are not supposed to be using preempt_disable, there is a
    per_cpu interface for exactly this kind of thing. Which is currently
    recommended?

    Lee

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