diff options
Diffstat (limited to 'kernel/time/tick-sched.c')
| -rw-r--r-- | kernel/time/tick-sched.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index ccd3782da0bf..5d4a0342f934 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -463,11 +463,18 @@ static int __init setup_tick_nohz(char *str) __setup("nohz=", setup_tick_nohz); -int tick_nohz_tick_stopped(void) +bool tick_nohz_tick_stopped(void) { return __this_cpu_read(tick_cpu_sched.tick_stopped); } +bool tick_nohz_tick_stopped_cpu(int cpu) +{ + struct tick_sched *ts = per_cpu_ptr(&tick_cpu_sched, cpu); + + return ts->tick_stopped; +} + /** * tick_nohz_update_jiffies - update jiffies when idle was interrupted * @@ -723,12 +730,6 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts, delta = KTIME_MAX; } -#ifdef CONFIG_NO_HZ_FULL - /* Limit the tick delta to the maximum scheduler deferment */ - if (!ts->inidle) - delta = min(delta, scheduler_tick_max_deferment()); -#endif - /* Calculate the next expiry time */ if (delta < (KTIME_MAX - basemono)) expires = basemono + delta; @@ -935,13 +936,6 @@ void tick_nohz_idle_enter(void) struct tick_sched *ts; lockdep_assert_irqs_enabled(); - /* - * Update the idle state in the scheduler domain hierarchy - * when tick_nohz_stop_sched_tick() is called from the idle loop. - * State will be updated to busy during the first busy tick after - * exiting idle. - */ - set_cpu_sd_state_idle(); local_irq_disable(); |