On 09/10/19 23:58, Jim Mattson wrote: > I was just confused by your wording; > it sounded like you were saying that KVM supported bit 8. > > How about: > > /* > * We do support PT if kvm_x86_ops->pt_supported(), but we do not > * support IA32_XSS[bit 8]. Guests will have to use WRMSR rather than > * XSAVES/XRSTORS to save/restore PT MSRs. > */ Good! Paolo
