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-rw-r--r--kernel/time/tick-sched.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 678349aec483..f5d37788ea85 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -960,12 +960,10 @@ void tick_nohz_irq_exit(void)
{
struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
- if (ts->inidle) {
+ if (ts->inidle)
tick_nohz_start_idle(ts);
- __tick_nohz_idle_stop_tick(ts);
- } else {
+ else
tick_nohz_full_update_tick(ts);
- }
}
/**
@@ -1026,6 +1024,20 @@ static void tick_nohz_account_idle_ticks(struct tick_sched *ts)
#endif
}
+static void __tick_nohz_idle_restart_tick(struct tick_sched *ts, ktime_t now)
+{
+ tick_nohz_restart_sched_tick(ts, now);
+ tick_nohz_account_idle_ticks(ts);
+}
+
+void tick_nohz_idle_restart_tick(void)
+{
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
+
+ if (ts->tick_stopped)
+ __tick_nohz_idle_restart_tick(ts, ktime_get());
+}
+
/**
* tick_nohz_idle_exit - restart the idle tick from the idle task
*
@@ -1050,10 +1062,8 @@ void tick_nohz_idle_exit(void)
if (ts->idle_active)
tick_nohz_stop_idle(ts, now);
- if (ts->tick_stopped) {
- tick_nohz_restart_sched_tick(ts, now);
- tick_nohz_account_idle_ticks(ts);
- }
+ if (ts->tick_stopped)
+ __tick_nohz_idle_restart_tick(ts, now);
local_irq_enable();
}