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-rw-r--r--kernel/time/tick-sched.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index f4fc867f467..3483e6cb954 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -217,6 +217,14 @@ void tick_nohz_stop_sched_tick(void)
* the scheduler tick in nohz_restart_sched_tick.
*/
if (!ts->tick_stopped) {
+ if (select_nohz_load_balancer(1)) {
+ /*
+ * sched tick not stopped!
+ */
+ cpu_clear(cpu, nohz_cpu_mask);
+ goto out;
+ }
+
ts->idle_tick = ts->sched_timer.expires;
ts->tick_stopped = 1;
ts->idle_jiffies = last_jiffies;
@@ -285,6 +293,7 @@ void tick_nohz_restart_sched_tick(void)
now = ktime_get();
local_irq_disable();
+ select_nohz_load_balancer(0);
tick_do_update_jiffies64(now);
cpu_clear(cpu, nohz_cpu_mask);