On Tue, Jul 27, 2021 at 05:26:05PM -0500, Tom Lendacky 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
> sme_me_mask to EXPORT_SYBMOL:
> commit 87df26175e67 ("x86/mm: Unbreak modules that rely on external
> PAGE_KERNEL availability")
> commit 9d5f38ba6c82 ("x86/mm: Unbreak modules that use the DMA API")
>
> Cc: Thomas Gleixner <[email protected]>
> Cc: Ingo Molnar <[email protected]>
> Cc: Borislav Petkov <[email protected]>
> Cc: Dave Hansen <[email protected]>
> Cc: Andy Lutomirski <[email protected]>
> Cc: Peter Zijlstra <[email protected]>
> Co-developed-by: Andi Kleen <[email protected]>
> Signed-off-by: Andi Kleen <[email protected]>
> Co-developed-by: Kuppuswamy Sathyanarayanan
> <[email protected]>
> Signed-off-by: Kuppuswamy Sathyanarayanan
> <[email protected]>
> Signed-off-by: Tom Lendacky <[email protected]>
Reviewed-by: Joerg Roedel <[email protected]>
