Hi, Mike On Fri, 10 Aug 2012 10:14:44 +0200, Mike Galbraith wrote: > On Fri, 2012-08-10 at 16:25 +0900, Namhyung Kim wrote: >> From: Namhyung Kim <namhyung....@lge.com> >> >> When sync wakeup happens and there's the waker task running alone, >> select the target cpu as if it's already idle. > > Ouch. That defeats the purpose of select_idle_sibling(). Just because > we're doing a sync wakeup does not mean there's no convertible overlap, > nor that the waker is really really going to take a nap immediately. A > lot of the places that benefit up to and including hugely from looking > for an idle shared cache to wake to do sync wakeups.
Thanks for the explanation! I misunderstood the function ;) Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
