1 files changed, 2 insertions, 3 deletions

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index f84e77226646..fd91568090f4 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -10,6 +10,7 @@
 #include <linux/pm.h>
 
 #include <asm/elf.h>
+#include <asm/vdso.h>
 #include <asm/e820.h>
 #include <asm/setup.h>
 #include <asm/xen/hypervisor.h>
@@ -61,10 +62,8 @@ static void xen_idle(void)
  */
 static void fiddle_vdso(void)
 {
-        extern u32 VDSO_NOTE_MASK; /* See ../kernel/vsyscall-note.S.  */
         extern char vsyscall_int80_start;
-        u32 *mask = (u32 *) ((unsigned long) &VDSO_NOTE_MASK - VDSO_PRELINK +
-                             &vsyscall_int80_start);
+        u32 *mask = VDSO32_SYMBOL(&vsyscall_int80_start, NOTE_MASK);
         *mask |= 1 << VDSO_NOTE_NONEGSEG_BIT;
 }