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    SubjectRe: [PATCH RFC 0/4] Scheduler idle notifiers and users
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    On Thu, 2012-02-16 at 14:31 +1100, Benjamin Herrenschmidt wrote:
    > On Wed, 2012-02-15 at 16:01 +0100, Peter Zijlstra wrote:
    > >
    > > Thing is, the scheduler doesn't care about completion, all it needs is
    > > to be able to kick-start the thing atomically. So you really have to
    > > wait for it or can you do an interrupt driven state machine?
    >
    > Or the scheduler callback could schedule a wq to do the job ?

    That'll end up being very ugly due to lock inversion etc. If we can get
    out of this using self-IPIs I'd much prefer that.


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