diff options
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/tick-sched.c | 12 | ||||
| -rw-r--r-- | kernel/time/tick-sched.h | 12 |
2 files changed, 15 insertions, 9 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index edb9d49b4996..a9d5cc7406d3 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -465,7 +465,9 @@ __setup("nohz=", setup_tick_nohz); bool tick_nohz_tick_stopped(void) { - return __this_cpu_read(tick_cpu_sched.tick_stopped); + struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched); + + return ts->tick_stopped; } bool tick_nohz_tick_stopped_cpu(int cpu) @@ -1014,8 +1016,8 @@ bool tick_nohz_idle_got_tick(void) { struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched); - if (ts->inidle > 1) { - ts->inidle = 1; + if (ts->got_idle_tick) { + ts->got_idle_tick = 0; return true; } return false; @@ -1161,7 +1163,7 @@ static void tick_nohz_handler(struct clock_event_device *dev) ktime_t now = ktime_get(); if (ts->inidle) - ts->inidle = 2; + ts->got_idle_tick = 1; dev->next_event = KTIME_MAX; @@ -1261,7 +1263,7 @@ static enum hrtimer_restart tick_sched_timer(struct hrtimer *timer) ktime_t now = ktime_get(); if (ts->inidle) - ts->inidle = 2; + ts->got_idle_tick = 1; tick_sched_do_timer(now); diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h index 2b845f2c44b1..6de959a854b2 100644 --- a/kernel/time/tick-sched.h +++ b/kernel/time/tick-sched.h @@ -41,19 +41,24 @@ enum tick_nohz_mode { * @timer_expires: Anticipated timer expiration time (in case sched tick is stopped) * @timer_expires_base: Base time clock monotonic for @timer_expires * @do_timer_lst: CPU was the last one doing do_timer before going idle + * @got_idle_tick: Tick timer function has run with @inidle set */ struct tick_sched { struct hrtimer sched_timer; unsigned long check_clocks; enum tick_nohz_mode nohz_mode; + + unsigned int inidle : 1; + unsigned int tick_stopped : 1; + unsigned int idle_active : 1; + unsigned int do_timer_last : 1; + unsigned int got_idle_tick : 1; + ktime_t last_tick; ktime_t next_tick; - int inidle; - int tick_stopped; unsigned long idle_jiffies; unsigned long idle_calls; unsigned long idle_sleeps; - int idle_active; ktime_t idle_entrytime; ktime_t idle_waketime; ktime_t idle_exittime; @@ -64,7 +69,6 @@ struct tick_sched { u64 timer_expires_base; u64 next_timer; ktime_t idle_expires; - int do_timer_last; atomic_t tick_dep_mask; }; |