On Tue, 2011-09-13 at 17:28 +0200, Mike Galbraith wrote: > On Tue, 2011-09-13 at 17:08 +0200, Peter Zijlstra wrote: > > On Tue, 2011-09-13 at 15:36 +0200, Peter Zijlstra wrote: > > > Does the below cure things? It breaks !rt builds, but we can cure that > > > if it works.. > > > > n/m its broken like hell.. > > Since this seems to be a legitimate need for a non-preemptive wakeup, > how about we [re]create one to get rid of abuse? (otoh, that would add > a branch everywhere.. btdt a couple times, always ended up tossing it) Nah, we absolutely need to kill that preempt_disable/enable stuff in there, it covers an O(n^2) loop, its complete crap. Just need to wrap my head around that code.. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
