1 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h
index ae9841319094..7b78275e6d33 100644
--- a/include/asm-x86/mach-default/mach_apicdef.h
+++ b/include/asm-x86/mach-default/mach_apicdef.h
@@ -3,7 +3,12 @@
 
 #include <asm/apic.h>
 
+#ifdef CONFIG_X86_64
+#define APIC_ID_MASK            (0xFFu<<24)
+#define SET_APIC_ID(x)          (((x)<<24))
+#else
 #define         APIC_ID_MASK            (0xF<<24)
+#endif
 
 static inline unsigned get_apic_id(unsigned long x) 
 {