diff mbox series

[v14,29/22,SQUASH] KVM: SEV: Support SEV-SNP AP Creation NAE event

Message ID 20240423162144.1780159-7-michael.roth@amd.com (mailing list archive)
State Not Applicable
Delegated to: Herbert Xu
Headers show
Series Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support | expand

Commit Message

Michael Roth April 23, 2024, 4:21 p.m. UTC 
Return an error if non-SNP guest issues AP Creation request.

Signed-off-by: Michael Roth <michael.roth@amd.com>
---
 arch/x86/kvm/svm/sev.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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;