diff options
Diffstat (limited to 'kernel/time/hrtimer.c')
| -rw-r--r-- | kernel/time/hrtimer.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index e6a78ae103ca..1c68bf21f603 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -685,21 +685,24 @@ static void hrtimer_reprogram(struct hrtimer *timer, /* Update the pointer to the next expiring timer */ cpu_base->next_timer = timer; + cpu_base->expires_next = expires; /* + * If hres is not active, hardware does not have to be + * programmed yet. + * * If a hang was detected in the last timer interrupt then we * do not schedule a timer which is earlier than the expiry * which we enforced in the hang detection. We want the system * to make progress. */ - if (cpu_base->hang_detected) + if (!__hrtimer_hres_active(cpu_base) || cpu_base->hang_detected) return; /* * Program the timer hardware. We enforce the expiry for * events which are already in the past. */ - cpu_base->expires_next = expires; tick_program_event(expires, 1); } @@ -936,16 +939,7 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, if (!leftmost) goto unlock; - if (!hrtimer_is_hres_active(timer)) { - /* - * Kick to reschedule the next tick to handle the new timer - * on dynticks target. - */ - if (is_timers_nohz_active()) - wake_up_nohz_cpu(new_base->cpu_base->cpu); - } else { - hrtimer_reprogram(timer, new_base); - } + hrtimer_reprogram(timer, new_base); unlock: unlock_hrtimer_base(timer, &flags); } |