[PATCH] x86_64: fix SMP boot lockup on some machines

Fixes boot up lockups on some machines where CPU apic ids don't start with
0

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index b969ee128728..e66edfa1f3b9 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -229,7 +229,7 @@ static __cpuinit void sync_master(void *arg)
 {
         unsigned long flags, i;
 
-        if (smp_processor_id() != boot_cpu_id)
+        if (smp_processor_id() != 0)
                 return;
 
         go[MASTER] = 0;