diff options
Diffstat (limited to 'kernel/hrtimer.c')
| -rw-r--r-- | kernel/hrtimer.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 383319bae3f7..d55092ceee29 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -46,6 +46,7 @@ #include <linux/sched.h> #include <linux/sched/sysctl.h> #include <linux/sched/rt.h> +#include <linux/sched/deadline.h> #include <linux/timer.h> #include <linux/freezer.h> @@ -167,19 +168,6 @@ struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer, } } - -/* - * Get the preferred target CPU for NOHZ - */ -static int hrtimer_get_target(int this_cpu, int pinned) -{ -#ifdef CONFIG_NO_HZ_COMMON - if (!pinned && get_sysctl_timer_migration() && idle_cpu(this_cpu)) - return get_nohz_timer_target(); -#endif - return this_cpu; -} - /* * With HIGHRES=y we do not migrate the timer when it is expiring * before the next event on the target cpu because we cannot reprogram @@ -213,7 +201,7 @@ switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base, struct hrtimer_clock_base *new_base; struct hrtimer_cpu_base *new_cpu_base; int this_cpu = smp_processor_id(); - int cpu = hrtimer_get_target(this_cpu, pinned); + int cpu = get_nohz_timer_target(pinned); int basenum = base->index; again: @@ -1610,7 +1598,7 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp, unsigned long slack; slack = current->timer_slack_ns; - if (rt_task(current)) + if (dl_task(current) || rt_task(current)) slack = 0; hrtimer_init_on_stack(&t.timer, clockid, mode); |