diff options
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 5d321506b24b..b2f8a700aeef 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2797,6 +2797,8 @@ static void vmx_queue_exception(struct kvm_vcpu *vcpu) return; } + WARN_ON_ONCE(vmx->emulation_required); + if (kvm_exception_is_soft(nr)) { vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, vmx->vcpu.arch.event_exit_inst_len); @@ -7162,12 +7164,12 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu) goto out; } - if (err != EMULATE_DONE) { - vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; - vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; - vcpu->run->internal.ndata = 0; - return 0; - } + if (err != EMULATE_DONE) + goto emulation_error; + + if (vmx->emulation_required && !vmx->rmode.vm86_active && + vcpu->arch.exception.pending) + goto emulation_error; if (vcpu->arch.halt_request) { vcpu->arch.halt_request = 0; @@ -7183,6 +7185,12 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu) out: return ret; + +emulation_error: + vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; + vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; + vcpu->run->internal.ndata = 0; + return 0; } static void grow_ple_window(struct kvm_vcpu *vcpu) |