diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 76dd4f0da5ca..a6d64af5e73f 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -151,6 +151,7 @@ enum hrtimer_base_type { HRTIMER_BASE_REALTIME, HRTIMER_BASE_BOOTTIME, HRTIMER_BASE_TAI, + HRTIMER_BASE_MONOTONIC_RAW, HRTIMER_MAX_CLOCK_BASES, }; diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 435b8850dd80..a125f222fee2 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -90,12 +90,18 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) = .clockid = CLOCK_TAI, .get_time = &ktime_get_clocktai, }, + { + .index = HRTIMER_BASE_MONOTONIC_RAW, + .clockid = CLOCK_MONOTONIC_RAW, + .get_time = &ktime_get_raw, + }, } }; static const int hrtimer_clock_to_base_table[MAX_CLOCKS] = { [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME, [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC, + [CLOCK_MONOTONIC_RAW] = HRTIMER_BASE_MONOTONIC_RAW, [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME, [CLOCK_TAI] = HRTIMER_BASE_TAI, }; @@ -1268,7 +1274,10 @@ static void __hrtimer_run_queues(struct hrtimer_cpu_base *cpu_base, ktime_t now) if (!(active & 0x01)) continue; - basenow = ktime_add(now, base->offset); + if (unlikely(base->index == HRTIMER_BASE_MONOTONIC_RAW)) + basenow = ktime_get_raw(); + else + basenow = ktime_add(now, base->offset); while ((node = timerqueue_getnext(&base->active))) { struct hrtimer *timer;