KVM: VMX: Improve error reporting during invalid guest state emulation



If instruction emulation fails, report it properly to userspace.

Signed-off-by: Avi Kivity <avi@redhat.com>

parent de87dcdd

arch/x86/kvm/vmx.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -4996,8 +4996,12 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
		goto out;
		}

		if (err != EMULATE_DONE)
		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 (signal_pending(current))
		goto out;