[PATCH v14 29/22] [SQUASH] KVM: SEV: Support SEV-SNP AP Creation NAE event
From: Michael Roth
Date: Tue Apr 23 2024 - 12:29:03 EST
Return an error if non-SNP guest issues AP Creation request.
Signed-off-by: Michael Roth <michael.roth@xxxxxxx>
---
arch/x86/kvm/svm/sev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index ff64ed8df301..1137a7f4136b 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -3280,6 +3280,8 @@ static int sev_es_validate_vmgexit(struct vcpu_svm *svm)
goto vmgexit_err;
break;
case SVM_VMGEXIT_AP_CREATION:
+ if (!sev_snp_guest(vcpu->kvm))
+ goto vmgexit_err;
if (lower_32_bits(control->exit_info_1) != SVM_VMGEXIT_AP_DESTROY)
if (!kvm_ghcb_rax_is_valid(svm))
goto vmgexit_err;
--
2.25.1