diff --git a/kvm-all.c b/kvm-all.c
index 6e2164bec2..6278d615b1 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1181,6 +1181,11 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign)
 {
     abort();
 }
+
+int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg)
+{
+    return -ENOSYS;
+}
 #endif /* !KVM_CAP_IRQ_ROUTING */
 
 int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)