On 21/04/2015 22:51, Peter Zijlstra wrote: > > However, if you take into account that RDPMC can also be used > > to read an inactive counter, and that multiple guests "fight" for the > > same host counters, it's even harder to ensure that the guest counter > > indices match those on the host. > > That doesn't make sense, only a single vcpu task will ever run at any > one time. Right, but it puts more pressure on the scheduler which could end up going more often through the slow path. Paolo -- 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
