xen pvhvm: do not remap pirqs onto evtchns if !xen_have_vector_callback

CC: stable@kernel.org raspberrypi#2.6.37 and onwards Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
richo · Feb 3, 2012 · 207d543 · 207d543
1 parent 41bd956
commit 207d543
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/pci/xen.c b/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