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