Re: [PATCH v5 05/32] x86/CPU/AMD: Handle SME reduction in physical address size

From: Borislav Petkov
Date: Thu Apr 20 2017 - 15:00:28 EST


On Thu, Apr 20, 2017 at 12:29:20PM -0500, Tom Lendacky wrote:
> Hmmm... and actually if cpu_has(X86_FEATURE_SME) is true then it's a
> given that extended_cpuid_level >= 0x8000001f. So this can be
> simplified to just:
>
> if (cpu_has(c, X86_FEATURE_SME)) {
> ... the rest of your suggestion (minus cpu_has()) ...

Cool, even better! :)

--
Regards/Gruss,
Boris.

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