diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index b8578bb..05a31e5 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -42,6 +42,7 @@
 #include <linux/module.h>
 #include <linux/scatterlist.h>
 
+#include <xen/xen.h>
 #include <xen/xenbus.h>
 #include <xen/grant_table.h>
 #include <xen/events.h>
diff --git a/drivers/char/hvc_xen.c b/drivers/char/hvc_xen.c
index eba999f..93d33816 100644
--- a/drivers/char/hvc_xen.c
+++ b/drivers/char/hvc_xen.c
@@ -25,6 +25,8 @@
 #include <linux/types.h>
 
 #include <asm/xen/hypervisor.h>
+
+#include <xen/xen.h>
 #include <xen/page.h>
 #include <xen/events.h>
 #include <xen/interface/io/console.h>
diff --git a/drivers/input/xen-kbdfront.c b/drivers/input/xen-kbdfront.c
index b115726..c721c0a 100644
--- a/drivers/input/xen-kbdfront.c
+++ b/drivers/input/xen-kbdfront.c
@@ -21,7 +21,10 @@
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/input.h>
+
 #include <asm/xen/hypervisor.h>
+
+#include <xen/xen.h>
 #include <xen/events.h>
 #include <xen/page.h>
 #include <xen/interface/io/fbif.h>
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index baa051d..a869b45 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -42,6 +42,7 @@
 #include <linux/mm.h>
 #include <net/ip.h>
 
+#include <xen/xen.h>
 #include <xen/xenbus.h>
 #include <xen/events.h>
 #include <xen/page.h>
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 54cd916..966b226 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -25,7 +25,10 @@
 #include <linux/module.h>
 #include <linux/vmalloc.h>
 #include <linux/mm.h>
+
 #include <asm/xen/hypervisor.h>
+
+#include <xen/xen.h>
 #include <xen/events.h>
 #include <xen/page.h>
 #include <xen/interface/io/fbif.h>
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index d31505b..826dda4 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -52,6 +52,8 @@
 
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
+
+#include <xen/xen.h>
 #include <xen/interface/xen.h>
 #include <xen/interface/memory.h>
 #include <xen/xenbus.h>
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index bdfd584..6625ffe 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -1,5 +1,6 @@
 #include <linux/notifier.h>
 
+#include <xen/xen.h>
 #include <xen/xenbus.h>
 
 #include <asm/xen/hypervisor.h>
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index 79bedba..f70a4f4 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -48,6 +48,8 @@
 #include <linux/gfp.h>
 #include <linux/mutex.h>
 #include <linux/cpu.h>
+
+#include <xen/xen.h>
 #include <xen/events.h>
 #include <xen/evtchn.h>
 #include <asm/xen/hypervisor.h>
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 7d8f531..4c6c0bd 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -37,6 +37,7 @@
 #include <linux/vmalloc.h>
 #include <linux/uaccess.h>
 
+#include <xen/xen.h>
 #include <xen/interface/xen.h>
 #include <xen/page.h>
 #include <xen/grant_table.h>
diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
index 88a60e0..ae5cb05 100644
--- a/drivers/xen/sys-hypervisor.c
+++ b/drivers/xen/sys-hypervisor.c
@@ -14,6 +14,7 @@
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
 
+#include <xen/xen.h>
 #include <xen/xenbus.h>
 #include <xen/interface/xen.h>
 #include <xen/interface/version.h>
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index d42e25d..08638ad 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -49,6 +49,8 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/xen/hypervisor.h>
+
+#include <xen/xen.h>
 #include <xen/xenbus.h>
 #include <xen/events.h>
 #include <xen/page.h>
diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c
index 6559e0c..8924d93 100644
--- a/drivers/xen/xenfs/super.c
+++ b/drivers/xen/xenfs/super.c
@@ -13,6 +13,8 @@
 #include <linux/fs.h>
 #include <linux/magic.h>
 
+#include <xen/xen.h>
+
 #include "xenfs.h"
 
 #include <asm/xen/hypervisor.h>