Re: [PATCH 02/11] x86/sev: Add an x86 version of prot_guest_has()

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On Tue, Jul 27, 2021 at 05:26:05PM -0500, Tom Lendacky via iommu wrote:
> Introduce an x86 version of the prot_guest_has() function. This will be
> used in the more generic x86 code to replace vendor specific calls like
> sev_active(), etc.
> 
> While the name suggests this is intended mainly for guests, it will
> also be used for host memory encryption checks in place of sme_active().
> 
> The amd_prot_guest_has() function does not use EXPORT_SYMBOL_GPL for the
> same reasons previously stated when changing sme_active(), sev_active and

None of that applies here as none of the callers get pulled into
random macros.  The only case of that is sme_me_mask through
sme_mask, but that's not something this series replaces as far as I can
tell.



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