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SubjectRe: [PATCH 06/11] x86/sev: Replace occurrences of sev_es_active() with prot_guest_has()
On Tue, Jul 27, 2021 at 05:26:09PM -0500, Tom Lendacky wrote:
> @@ -48,7 +47,7 @@ static void sme_sev_setup_real_mode(struct trampoline_header *th)
> if (prot_guest_has(PATTR_HOST_MEM_ENCRYPT))
> th->flags |= TH_FLAGS_SME_ACTIVE;
>
> - if (sev_es_active()) {
> + if (prot_guest_has(PATTR_GUEST_PROT_STATE)) {
> /*
> * Skip the call to verify_cpu() in secondary_startup_64 as it
> * will cause #VC exceptions when the AP can't handle them yet.

Not sure how TDX will handle AP booting, are you sure it needs this
special setup as well? Otherwise a check for SEV-ES would be better
instead of the generic PATTR_GUEST_PROT_STATE.

Regards,

Joerg

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