On Wed, Mar 23 2022 at 15:24, Paolo Bonzini wrote: > On 3/23/22 13:55, Thomas Gleixner wrote: >> --- a/arch/x86/kernel/fpu/xstate.c >> +++ b/arch/x86/kernel/fpu/xstate.c >> @@ -1625,6 +1625,8 @@ static int __xstate_request_perm(u64 per >> >> /* Calculate the resulting kernel state size */ >> mask = permitted | requested; >> + /* Take supervisor states into account */ >> + mask |= xfeatures_mask_supervisor(); >> ksize = xstate_calculate_size(mask, compacted); >> > > This should be only added in for the !guest case. Yes, I figured that out already :)
