diff --git a/[refs] b/[refs]
index b447a2d5d519..9040779863e9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 41bd956de3dfdc3a43708fe2e0c8096c69064a1e
+refs/heads/master: 207d543f472c1ac9552df79838dc807cbcaa9740
diff --git a/trunk/arch/x86/pci/xen.c b/trunk/arch/x86/pci/xen.c
index 492ade8c978e..d99346ea8fdb 100644
--- a/trunk/arch/x86/pci/xen.c
+++ b/trunk/arch/x86/pci/xen.c
@@ -374,7 +374,7 @@ int __init pci_xen_init(void)
 
 int __init pci_xen_hvm_init(void)
 {
-	if (!xen_feature(XENFEAT_hvm_pirqs))
+	if (!xen_have_vector_callback || !xen_feature(XENFEAT_hvm_pirqs))
 		return 0;
 
 #ifdef CONFIG_ACPI