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SubjectRe: [PATCH 3/3] workqueue: Schedule work on non-idle cpu instead of current one
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On Tue, 2012-09-25 at 13:40 +0200, Peter Zijlstra wrote:
> On Tue, 2012-09-25 at 17:00 +0530, Viresh Kumar wrote:
> > But this is what the initial idea during LPC we had.
>
> Yeah.. that's true.
>
> > Any improvements here you can suggest?
>
> We could uhm... /me tries thinking ... reuse some of the NOHZ magic?
> Would that be sufficient, not waking a NOHZ cpu, or do you really want
> not waking any idle cpu?

Depending on the trade-off we could have the NOHZ stuff track a
non-NOHZ-idle cpu and avoid having to compute one every time we need it.






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