diff options
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3026678113e7..d8a6196465d5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -92,10 +92,13 @@ void start_bandwidth_timer(struct hrtimer *period_timer, ktime_t period) { - if (hrtimer_active(period_timer)) - return; + /* + * Do not forward the expiration time of active timers; + * we do not want to loose an overrun. + */ + if (!hrtimer_active(period_timer)) + hrtimer_forward_now(period_timer, period); - hrtimer_forward_now(period_timer, period); hrtimer_start_expires(period_timer, HRTIMER_MODE_ABS_PINNED); } @@ -8113,10 +8116,8 @@ static int tg_set_cfs_bandwidth(struct task_group *tg, u64 period, u64 quota) __refill_cfs_bandwidth_runtime(cfs_b); /* restart the period timer (if active) to handle new period expiry */ - if (runtime_enabled && cfs_b->timer_active) { - /* force a reprogram */ - __start_cfs_bandwidth(cfs_b, true); - } + if (runtime_enabled) + start_cfs_bandwidth(cfs_b); raw_spin_unlock_irq(&cfs_b->lock); for_each_online_cpu(i) { |