diff options
Diffstat (limited to 'kernel/time/sched_clock.c')
| -rw-r--r-- | kernel/time/sched_clock.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c index a26036d37a38..0637823aa5a6 100644 --- a/kernel/time/sched_clock.c +++ b/kernel/time/sched_clock.c @@ -70,6 +70,7 @@ struct clock_data { static struct hrtimer sched_clock_timer; static int irqtime = -1; +static int initialized; core_param(irqtime, irqtime, int, 0400); @@ -231,6 +232,11 @@ sched_clock_register(u64 (*read)(void), int bits, unsigned long rate) pr_debug("Registered %pF as sched_clock source\n", read); } +int sched_clock_initialized(void) +{ + return initialized; +} + void __init sched_clock_postinit(void) { /* @@ -249,6 +255,8 @@ void __init sched_clock_postinit(void) hrtimer_init(&sched_clock_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); sched_clock_timer.function = sched_clock_poll; hrtimer_start(&sched_clock_timer, cd.wrap_kt, HRTIMER_MODE_REL); + + initialized = 1; } /* |