Re: [RFC] Extend mwait idle to optimize away IPIs when possible

[Peter Zijlstra]

On Mon, 2012-02-13 at 13:34 +0800, Yong Zhang wrote:
> Yeah, most of the things could be shared. Such as the added logic when
> return from idle and the hooks into ttwu_queue_remote() and
> generic_exec_single().
> 

The thing is, those last two should not have hooks. Nor am I convinced
anything outside of the arch idle loop should have any.


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