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-rw-r--r--arch/alpha/kernel/smp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 35ddc02bfa4..a41ad90a97a 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();
}