diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2018-04-09 10:50:17 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2018-04-09 10:50:17 -0700 |
| commit | e13e75b86ef2f88e3a47d672dd4c52a293efb95b (patch) | |
| tree | 2617aebd952d1aec09d323f6b2484b93f659e753 /kernel/time/tick-sched.c | |
| parent | 1ed41b5696ccc3ff40a1dee39fe14eff273faf82 (diff) | |
| parent | 976431b02c2ef92ae3f8b6a7d699fc554025e118 (diff) | |
| download | linux-e13e75b86ef2f88e3a47d672dd4c52a293efb95b.tar.bz2 | |
Merge branch 'for-4.17/dax' into libnvdimm-for-next
Diffstat (limited to 'kernel/time/tick-sched.c')
| -rw-r--r-- | kernel/time/tick-sched.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 29a5733eff83..f2fa2e940fe5 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -481,11 +481,18 @@ 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 * @@ -741,12 +748,6 @@ 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; |