1 files changed, 1 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 2ffdc863bff3..e28a139c29d0 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -517,6 +517,7 @@ int __devinit start_secondary(void *unused)
 
         smp_store_cpu_info(cpu);
         set_dec(tb_ticks_per_jiffy);
+        preempt_disable();
         cpu_callin_map[cpu] = 1;
 
         smp_ops->setup_cpu(cpu);