diff --git a/[refs] b/[refs]
index ecb562c454da..003a5fb3ba25 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8135591e90c81462a6902f6ffa1f1ca021db077a
+refs/heads/master: 2e55288f63343f0810f4f0a3004f78037cfb93d3
diff --git a/trunk/drivers/xen/events.c b/trunk/drivers/xen/events.c
index b54285e27b3b..721b393fd8aa 100644
--- a/trunk/drivers/xen/events.c
+++ b/trunk/drivers/xen/events.c
@@ -730,6 +730,7 @@ int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type)
 		goto out;
 
 	irq_info[irq] = mk_pirq_info(0, map_irq.pirq, 0, map_irq.index);
+	pirq_to_irq[map_irq.pirq] = irq;
 
 	set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
 			handle_level_irq,