1 files changed, 1 insertions, 0 deletions

diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 35ddc02bfa4a..a41ad90a97a6 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -166,6 +166,7 @@ smp_callin(void)
         DBGS(("smp_callin: commencing CPU %d current %p active_mm %p\n",
               cpuid, current, current->active_mm));
 
+        preempt_disable();
         /* Do nothing.  */
         cpu_idle();
 }