1 files changed, 9 insertions, 1 deletions

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index c389f068aca2..297b90b5277e 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -522,7 +522,15 @@ void tick_check_oneshot_broadcast(int cpu)
         if (cpumask_test_cpu(cpu, tick_broadcast_oneshot_mask)) {
                 struct tick_device *td = &per_cpu(tick_cpu_device, cpu);
 
-                clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_ONESHOT);
+                /*
+                 * We might be in the middle of switching over from
+                 * periodic to oneshot. If the CPU has not yet
+                 * switched over, leave the device alone.
+                 */
+                if (td->mode == TICKDEV_MODE_ONESHOT) {
+                        clockevents_set_mode(td->evtdev,
+                                             CLOCK_EVT_MODE_ONESHOT);
+                }
         }
 }