On Wed, Apr 3, 2019 at 3:27 PM Krish Sadhukhan <krish.sadhukhan@xxxxxxxxxx> wrote: > > According to section "Checks on Host Control Registers and MSRs" in Intel > SDM vol 3C, the following check is performed on vmentry: > > If the "load IA32_PAT" VM-exit control is 1, the value of the field > for the IA32_PAT MSR must be one that could be written by WRMSR > without fault at CPL 0. Specifically, each of the 8 bytes in the > field must have one of the values 0 (UC), 1 (WC), 4 (WT), 5 (WP), > 6 (WB), or 7 (UC-). > > Signed-off-by: Krish Sadhukhan <krish.sadhukhan@xxxxxxxxxx> > Reviewed-by: Karl Heubaum <karl.heubaum@xxxxxxxxxx> > Suggested-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> > Reviewed-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>
