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    SubjectRe: [PATCH 1/3] [kidled]: introduce kidled.
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    On Wed, 2010-04-14 at 08:41 -0700, Salman Qazi wrote:
    >
    > To capture all the quantities for a CPU atomically, they must be read
    > on the CPU. Basically, reading them on that CPU prevents them from
    > changing as we read them.
    >
    > Also, if the CPU is idle (injected or otherwise), the quantities won't
    > get updated.

    Who cares? by the time they reach userspace they've changed anyway.



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