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

[Borislav Petkov]

On Mon, Feb 13, 2023 at 04:44:09PM +0100, Juergen Gross wrote:
> Okay, and it has MTRRs enabled (as Hyper-V SEV-SNP guests), so I shouldn't
> test that, I guess (or we should disable the feature before calling the
> overwrite function).

I think we should handle TDX the same way - as if the MTRRs are
read-only there. So you can check X86_FEATURE_TDX_GUEST in addition.

Thx.

-- 
Regards/Gruss,
    Boris.

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