1 files changed, 4 insertions, 5 deletions

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index f84e77226646..3bad4773a2f3 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>
@@ -59,12 +60,10 @@ static void xen_idle(void)
 /*
  * Set the bit indicating "nosegneg" library variants should be used.
  */
-static void fiddle_vdso(void)
+static void __init 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);
+        extern const char vdso32_default_start;
+        u32 *mask = VDSO32_SYMBOL(&vdso32_default_start, NOTE_MASK);
         *mask |= 1 << VDSO_NOTE_NONEGSEG_BIT;
 }