diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index a7bfe9d..dcef724 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -961,6 +961,9 @@
 			const struct kvm_irq_routing_entry *entries,
 			unsigned nr,
 			unsigned flags);
+int kvm_set_routing_entry(struct kvm_irq_routing_table *rt,
+			  struct kvm_kernel_irq_routing_entry *e,
+			  const struct kvm_irq_routing_entry *ue);
 void kvm_free_irq_routing(struct kvm *kvm);
 
 int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi);