1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index e190d1ef3a23..69eb76daed34 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -81,6 +81,7 @@ static bool cpu_stop_queue_work(unsigned int cpu, struct cpu_stop_work *work)
         unsigned long flags;
         bool enabled;
 
+        preempt_disable();
         raw_spin_lock_irqsave(&stopper->lock, flags);
         enabled = stopper->enabled;
         if (enabled)
@@ -90,6 +91,7 @@ static bool cpu_stop_queue_work(unsigned int cpu, struct cpu_stop_work *work)
         raw_spin_unlock_irqrestore(&stopper->lock, flags);
 
         wake_up_q(&wakeq);
+        preempt_enable();
 
         return enabled;
 }