>>> On 04.12.15 at 15:07, <boris.ostrov...@oracle.com> wrote: > We need to have at least version 2 since it's the first version to > support various control and status registers (such as > MSR_CORE_PERF_GLOBAL_CTRL) that VPMU relies on always having. > > We don't fully emulate version 4 but since it's back compatible with > earlier versions we can fall back to v3. At this point there is no > compatibility statement for v5 so anything above 4 is not supported. > > For guests querying PMU version via CPUID leaf 0xa clip it at v3. > > With explicit testing for PMU version we can now remove CPUID model > check. > > Signed-off-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
