# HG changeset patch
# User gingold@virtu10
# Node ID 2976b6fb824f4861004d9abdaa78fb3d86d1e608
# Parent  4acc6d51f3893d2b0c33c021f459ac12482858d9
Transparent virtualization for pcifront and pciback.

Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>

diff -r 4acc6d51f389 -r 2976b6fb824f linux-2.6-xen-sparse/drivers/xen/pciback/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/pciback/xenbus.c	Tue Aug 01 14:58:20 2006 -0600
+++ b/linux-2.6-xen-sparse/drivers/xen/pciback/xenbus.c	Wed Aug 02 12:40:51 2006 +0200
@@ -445,6 +445,9 @@ static struct xenbus_driver xenbus_pciba
 
 int __init pciback_xenbus_register(void)
 {
+	if (!is_running_on_xen())
+		return -ENODEV;
+
 	return xenbus_register_backend(&xenbus_pciback_driver);
 }
 
diff -r 4acc6d51f389 -r 2976b6fb824f linux-2.6-xen-sparse/drivers/xen/pcifront/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/pcifront/xenbus.c	Tue Aug 01 14:58:20 2006 -0600
+++ b/linux-2.6-xen-sparse/drivers/xen/pcifront/xenbus.c	Wed Aug 02 12:40:51 2006 +0200
@@ -284,11 +284,10 @@ static struct xenbus_driver xenbus_pcifr
 
 static int __init pcifront_init(void)
 {
-	int err = 0;
-
-	err = xenbus_register_frontend(&xenbus_pcifront_driver);
-
-	return err;
+	if (!is_running_on_xen())
+		return -ENODEV;
+
+	return xenbus_register_frontend(&xenbus_pcifront_driver);
 }
 
 /* Initialize after the Xen PCI Frontend Stub is initialized */