diff options
Diffstat (limited to 'kernel/time/hrtimer.c')
| -rw-r--r-- | kernel/time/hrtimer.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 33b00e213e07..0ea8702eb516 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -652,24 +652,10 @@ static inline int hrtimer_hres_active(void) return __hrtimer_hres_active(this_cpu_ptr(&hrtimer_bases)); } -static void -__hrtimer_reprogram(struct hrtimer_cpu_base *cpu_base, int skip_equal, - struct hrtimer *next_timer, ktime_t expires_next) +static void __hrtimer_reprogram(struct hrtimer_cpu_base *cpu_base, + struct hrtimer *next_timer, + ktime_t expires_next) { - /* - * If the hrtimer interrupt is running, then it will reevaluate the - * clock bases and reprogram the clock event device. - */ - if (cpu_base->in_hrtirq) - return; - - if (expires_next > cpu_base->expires_next) - return; - - if (skip_equal && expires_next == cpu_base->expires_next) - return; - - cpu_base->next_timer = next_timer; cpu_base->expires_next = expires_next; /* @@ -707,8 +693,10 @@ hrtimer_force_reprogram(struct hrtimer_cpu_base *cpu_base, int skip_equal) expires_next = hrtimer_update_next_event(cpu_base); - __hrtimer_reprogram(cpu_base, skip_equal, cpu_base->next_timer, - expires_next); + if (skip_equal && expires_next == cpu_base->expires_next) + return; + + __hrtimer_reprogram(cpu_base, cpu_base->next_timer, expires_next); } /* High resolution timer related functions */ @@ -863,7 +851,19 @@ static void hrtimer_reprogram(struct hrtimer *timer, bool reprogram) if (base->cpu_base != cpu_base) return; - __hrtimer_reprogram(cpu_base, true, timer, expires); + if (expires >= cpu_base->expires_next) + return; + + /* + * If the hrtimer interrupt is running, then it will reevaluate the + * clock bases and reprogram the clock event device. + */ + if (cpu_base->in_hrtirq) + return; + + cpu_base->next_timer = timer; + + __hrtimer_reprogram(cpu_base, timer, expires); } static bool update_needs_ipi(struct hrtimer_cpu_base *cpu_base, |