On 03/04/2017 13:27, David Hildenbrand wrote: >> The PML feature is not exposed to guests so we should not be forwarding >> the vmexit either. > > I wonder if a whitelist of vmexits would make more sense, compared to > defaulting to passing them through. But I don't know the history of this I checked the other day and it's really 50-50 between "return true" and "return false" vmexits. Adding a WARNing would probably make even more sense. :) Thanks, Paolo