diff --git a/[refs] b/[refs]
index 766e20b9cad7..17f94ebdc157 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 42c46e6ba5461fcab289bf4a1b7160f94c10aa28
+refs/heads/master: ead1d01425bbd28c4354b539caa4075bde00ed72
diff --git a/trunk/drivers/xen/sys-hypervisor.c b/trunk/drivers/xen/sys-hypervisor.c
index 1e0fe01eb670..fdb6d229c9bb 100644
--- a/trunk/drivers/xen/sys-hypervisor.c
+++ b/trunk/drivers/xen/sys-hypervisor.c
@@ -97,7 +97,7 @@ static struct attribute *version_attrs[] = {
 	NULL
 };
 
-static struct attribute_group version_group = {
+static const struct attribute_group version_group = {
 	.name = "version",
 	.attrs = version_attrs,
 };
@@ -210,7 +210,7 @@ static struct attribute *xen_compile_attrs[] = {
 	NULL
 };
 
-static struct attribute_group xen_compilation_group = {
+static const struct attribute_group xen_compilation_group = {
 	.name = "compilation",
 	.attrs = xen_compile_attrs,
 };
@@ -340,7 +340,7 @@ static struct attribute *xen_properties_attrs[] = {
 	NULL
 };
 
-static struct attribute_group xen_properties_group = {
+static const struct attribute_group xen_properties_group = {
 	.name = "properties",
 	.attrs = xen_properties_attrs,
 };
diff --git a/trunk/drivers/xen/xen-balloon.c b/trunk/drivers/xen/xen-balloon.c
index 3832e303c33a..3f7922ec13e3 100644
--- a/trunk/drivers/xen/xen-balloon.c
+++ b/trunk/drivers/xen/xen-balloon.c
@@ -207,7 +207,7 @@ static struct attribute *balloon_info_attrs[] = {
 	NULL
 };
 
-static struct attribute_group balloon_info_group = {
+static const struct attribute_group balloon_info_group = {
 	.name = "info",
 	.attrs = balloon_info_attrs
 };
diff --git a/trunk/drivers/xen/xen-selfballoon.c b/trunk/drivers/xen/xen-selfballoon.c
index 767ff656d5a7..146c94897016 100644
--- a/trunk/drivers/xen/xen-selfballoon.c
+++ b/trunk/drivers/xen/xen-selfballoon.c
@@ -488,7 +488,7 @@ static struct attribute *selfballoon_attrs[] = {
 	NULL
 };
 
-static struct attribute_group selfballoon_group = {
+static const struct attribute_group selfballoon_group = {
 	.name = "selfballoon",
 	.attrs = selfballoon_attrs
 };