diff --git a/[refs] b/[refs]
index 318e920a012d..20ac19f11917 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2ee93ab67a73955018dff6ad76916e20a2ba10f7
+refs/heads/master: 323f90a60864f30fd6b7c99806584bb90ada1a29
diff --git a/trunk/drivers/xen/xen-acpi-processor.c b/trunk/drivers/xen/xen-acpi-processor.c
index 0b48579a9cd6..7ff2569e17ae 100644
--- a/trunk/drivers/xen/xen-acpi-processor.c
+++ b/trunk/drivers/xen/xen-acpi-processor.c
@@ -29,6 +29,7 @@
 #include <acpi/acpi_drivers.h>
 #include <acpi/processor.h>
 
+#include <xen/xen.h>
 #include <xen/interface/platform.h>
 #include <asm/xen/hypercall.h>