On Fri, Nov 24, 2023 at 12:53:07AM -0500, Yang Weijiang wrote: > Note, in KVM case, guest CET supervisor state i.e., IA32_PL{0,1,2}_MSRs, > are preserved after VM-Exit until host/guest fpstates are swapped, but > since host supervisor shadow stack is disabled, the preserved MSRs won't > hurt host. Just to be clear, with FRED all this changes, right? Then we get more VMCS fields for SSS state.