On 12/14/20 9:41 AM, Paolo Bonzini wrote: > On 10/12/20 18:09, Tom Lendacky wrote: >> Additionally, an SEV-ES guest must only and always intercept DR7 reads and >> writes. Update set_dr_intercepts() and clr_dr_intercepts() to account for >> this. > > I cannot see it, where is this documented? That is documented in the GHCB specification, section 4.5 Debug Register Support: https://developer.amd.com/wp-content/resources/56421.pdf Thanks, Tom > > Paolo >