On 16/01/20 17:19, Sean Christopherson wrote: > Why not just do this in Qemu? IMO that's not a major ask, e.g. Qemu is > doing a decent amount of manual adjustment anyways. And Qemu isn't even > using the result of KVM_GET_MSRS so I don't think it's fair to say this is > solely KVM's fault. IMHO the features should stay available in case the guest chooses not to use eVMCS. A guest that uses eVMCS should know which features it cannot use and not enable them. Paolo
