[PATCH v2 03/12] x86/sev: Add an x86 version of prot_guest_has()

Borislav Petkov bp at alien8.de
Tue Aug 17 11:39:43 PDT 2021


On Tue, Aug 17, 2021 at 10:22:52AM -0500, Tom Lendacky wrote:
> I can change it to be an AMD/HYGON check...  although, I'll have to check
> to see if any (very) early use of the function will work with that.

We can always change it later if really needed. It is just that I'm not
a fan of such "preemptive" changes.

> At a minimum, the check in arch/x86/kernel/head64.c will have to be
> changed or removed. I'll take a closer look.

Yeah, sme_me_mask, already discussed on IRC.

Thx.

-- 
Regards/Gruss,
    Boris.

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