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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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