X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Ftimer.c;h=1a69705c2fb95536dc67c82479fcff315c0e0e1e;hb=fe0e3153acfef4864b69932cf116eb5f38f7500c;hp=a6c580ac084b9b507ca994bf9f0fdddc679fb40d;hpb=a9deecba19b8f384d97f82c75379da48bccb2588;p=linux-2.6 diff --git a/kernel/timer.c b/kernel/timer.c index a6c580ac08..1a69705c2f 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -666,7 +666,7 @@ static inline void __run_timers(tvec_base_t *base) static unsigned long __next_timer_interrupt(tvec_base_t *base) { unsigned long timer_jiffies = base->timer_jiffies; - unsigned long expires = timer_jiffies + (LONG_MAX >> 1); + unsigned long expires = timer_jiffies + NEXT_TIMER_MAX_DELTA; int index, slot, array, found = 0; struct timer_list *nte; tvec_t *varray[4]; @@ -752,6 +752,14 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now, tsdelta = ktime_to_timespec(hr_delta); delta = timespec_to_jiffies(&tsdelta); + + /* + * Limit the delta to the max value, which is checked in + * tick_nohz_stop_sched_tick(): + */ + if (delta > NEXT_TIMER_MAX_DELTA) + delta = NEXT_TIMER_MAX_DELTA; + /* * Take rounding errors in to account and make sure, that it * expires in the next tick. Otherwise we go into an endless @@ -1499,8 +1507,6 @@ unregister_time_interpolator(struct time_interpolator *ti) prev = &curr->next; } - clocksource_resume(); - write_seqlock_irqsave(&xtime_lock, flags); if (ti == time_interpolator) { /* we lost the best time-interpolator: */