Displaying 1 result from an estimated 1 matches for "sched_clock_running".
2018 Nov 06
0
[PATCH v15 23/26] sched: early boot clock
...3f8f17 100644
> --- a/kernel/sched/clock.c
> +++ b/kernel/sched/clock.c
> @@ -202,7 +202,25 @@ static void __sched_clock_gtod_offset(void)
>
> void __init sched_clock_init(void)
> {
> + unsigned long flags;
> +
> + /*
> + * Set __gtod_offset such that once we mark sched_clock_running,
> + * sched_clock_tick() continues where sched_clock() left off.
> + *
> + * Even if TSC is buggered, we're still UP at this point so it
> + * can't really be out of sync.
> + */
> + local_irq_save(flags);
> + __sched_clock_gtod_offset();
> + local_irq_restore(...