On Sat, Dec 3, 2011 at 1:09 AM, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote: > Have you measured the impact of using normal barriers (non-SMP ones) > like we use on normal HW drivers unconditionally ? > > IE. If the difference is small enough I'd say just go for it and avoid > the bloat. I agree. MST wanted to give this a try this week. If all goes well and there's no unreasonable regression, we'd just switch to mandatory barriers. Ohad. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html