summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kvm/svm/svm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 07911ddf1efe..8fc2f4a97495 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -4789,9 +4789,15 @@ static void svm_enable_smi_window(struct kvm_vcpu *vcpu)
static int svm_check_emulate_instruction(struct kvm_vcpu *vcpu, int emul_type,
void *insn, int insn_len)
{
+ struct vcpu_svm *svm = to_svm(vcpu);
bool smep, smap, is_user;
u64 error_code;
+ /* Check that emulation is possible during event vectoring */
+ if ((svm->vmcb->control.exit_int_info & SVM_EXITINTINFO_TYPE_MASK) &&
+ !kvm_can_emulate_event_vectoring(emul_type))
+ return X86EMUL_UNHANDLEABLE_VECTORING;
+
/* Emulation is always possible when KVM has access to all guest state. */
if (!sev_guest(vcpu->kvm))
return X86EMUL_CONTINUE;
@@ -4888,7 +4894,7 @@ static int svm_check_emulate_instruction(struct kvm_vcpu *vcpu, int emul_type,
* In addition, don't apply the erratum workaround if the #NPF occurred
* while translating guest page tables (see below).
*/
- error_code = to_svm(vcpu)->vmcb->control.exit_info_1;
+ error_code = svm->vmcb->control.exit_info_1;
if (error_code & (PFERR_GUEST_PAGE_MASK | PFERR_FETCH_MASK))
goto resume_guest;