Re: [RFC][PATCH 5/5] sched: Reduce ttwu rq->lock contention

[Oleg Nesterov]

On 12/17, Peter Zijlstra wrote:
>
> Hrmph, so is it only about serializing concurrent wakeups?

I __think__ that it is possible to solve other problems, but
of course I am not sure ;)

> If so, we
> could possibly hold p->pi_lock over the wakeup.

Hmm, yes, this looks right.

Oleg.

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