diff options
| -rw-r--r-- | include/linux/hrtimer.h | 3 | ||||
| -rw-r--r-- | kernel/hrtimer.c | 5 |
2 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 98c5c1537b5..089bfb1fa01 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -122,8 +122,7 @@ static inline int hrtimer_active(const struct hrtimer *timer) } /* Forward a hrtimer so it expires after now: */ -extern unsigned long hrtimer_forward(struct hrtimer *timer, - const ktime_t interval); +extern unsigned long hrtimer_forward(struct hrtimer *timer, ktime_t interval); /* Precise sleep: */ extern long hrtimer_nanosleep(struct timespec *rqtp, diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 76d759ce623..04ccab099e8 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -275,7 +275,7 @@ void unlock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags) * The number of overruns is added to the overrun field. */ unsigned long -hrtimer_forward(struct hrtimer *timer, const ktime_t interval) +hrtimer_forward(struct hrtimer *timer, ktime_t interval) { unsigned long orun = 1; ktime_t delta, now; @@ -287,6 +287,9 @@ hrtimer_forward(struct hrtimer *timer, const ktime_t interval) if (delta.tv64 < 0) return 0; + if (interval.tv64 < timer->base->resolution.tv64) + interval.tv64 = timer->base->resolution.tv64; + if (unlikely(delta.tv64 >= interval.tv64)) { nsec_t incr = ktime_to_ns(interval); |