From: Yinghai Lu <Yinghai.Lu@Sun.COM>

In init/main.c boot_cpu_init() does that later

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Cc: Zachary Amsden <zach@vmware.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/kernel/head64.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff -puN arch/x86/kernel/head64.c~x86_64-do-not-set-boot-cpu-in-cpu_online_map-at-x86_64_start_kernel arch/x86/kernel/head64.c
--- a/arch/x86/kernel/head64.c~x86_64-do-not-set-boot-cpu-in-cpu_online_map-at-x86_64_start_kernel
+++ a/arch/x86/kernel/head64.c
@@ -69,8 +69,6 @@ void __init x86_64_start_kernel(char * r
 
 	pda_init(0);
 	copy_bootdata(__va(real_mode_data));
-#ifdef CONFIG_SMP
-	cpu_set(0, cpu_online_map);
-#endif
+
 	start_kernel();
 }
_