1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 4b5b088ec102..c4e59bbdc187 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -472,6 +472,7 @@ void __cpuinit start_secondary(void)
          * things done here to the most necessary things.
          */
         cpu_init();
+        preempt_disable();
         smp_callin();
 
         /* otherwise gcc will move up the smp_processor_id before the cpu_init */