Messages in this thread | | | Date | Wed, 23 Mar 2022 15:24:16 +0100 | Subject | Re: ping Re: [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test | From | Paolo Bonzini <> |
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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.
Paolo
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