Messages in this thread | | | Subject | Re: [PATCH RFC 0/4] Scheduler idle notifiers and users | From | Peter Zijlstra <> | Date | Thu, 16 Feb 2012 11:14:25 +0100 |
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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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