Re: [PATCH v2 2/8] x86/mtrr: support setting MTRR state for software defined MTRRs

[Borislav Petkov]

On Mon, Feb 13, 2023 at 04:03:07PM +0100, Borislav Petkov wrote:
> > Wouldn't !cpu_feature_enabled(X86_FEATURE_HYPERVISOR) be enough?
> >
> > I'm not sure we won't need that for TDX guests, too.
>
> See, that's the problem. I wanna have it simple too. Lemme check with
> dhansen.

He says MTRRs are enabled in TDX guests: "X86_FEATURE_MTRR is fixed to
1 in TDX guests."

So we will have to do the more finer-grained check I guess.

-- 
Regards/Gruss,
    Boris.

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