On Fri, 2010-02-26 at 15:30 +0200, Avi Kivity wrote: > > Even if there were no security considerations, if the guest can observe > host data in the pmu, it means the pmu is inaccurate. We should expose > guest data only in the guest pmu. That's not difficult to do, you stop > the pmu on exit and swap the counters on context switches. That's not enough, memory node wide counters are impossible to isolate like that, the same for core wide (ANY flag) counters. -- 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