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Diffstat (limited to 'kernel/sched/rt.c')
-rw-r--r--kernel/sched/rt.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 4b8e33c615b1..fa03ec3ed56a 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -127,9 +127,8 @@ void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime)
raw_spin_lock_init(&rt_b->rt_runtime_lock);
- hrtimer_init(&rt_b->rt_period_timer, CLOCK_MONOTONIC,
- HRTIMER_MODE_REL_HARD);
- rt_b->rt_period_timer.function = sched_rt_period_timer;
+ hrtimer_setup(&rt_b->rt_period_timer, sched_rt_period_timer, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL_HARD);
}
static inline void do_start_rt_bandwidth(struct rt_bandwidth *rt_b)
@@ -169,9 +168,8 @@ static void destroy_rt_bandwidth(struct rt_bandwidth *rt_b)
static inline struct task_struct *rt_task_of(struct sched_rt_entity *rt_se)
{
-#ifdef CONFIG_SCHED_DEBUG
WARN_ON_ONCE(!rt_entity_is_task(rt_se));
-#endif
+
return container_of(rt_se, struct task_struct, rt);
}
@@ -1713,7 +1711,7 @@ static struct sched_rt_entity *pick_next_rt_entity(struct rt_rq *rt_rq)
BUG_ON(idx >= MAX_RT_PRIO);
queue = array->queue + idx;
- if (SCHED_WARN_ON(list_empty(queue)))
+ if (WARN_ON_ONCE(list_empty(queue)))
return NULL;
next = list_entry(queue->next, struct sched_rt_entity, run_list);
@@ -2910,6 +2908,7 @@ static int sched_rt_handler(const struct ctl_table *table, int write, void *buff
int ret;
mutex_lock(&mutex);
+ sched_domains_mutex_lock();
old_period = sysctl_sched_rt_period;
old_runtime = sysctl_sched_rt_runtime;
@@ -2936,6 +2935,7 @@ undo:
sysctl_sched_rt_period = old_period;
sysctl_sched_rt_runtime = old_runtime;
}
+ sched_domains_mutex_unlock();
mutex_unlock(&mutex);
return ret;
@@ -2967,7 +2967,6 @@ static int sched_rr_handler(const struct ctl_table *table, int write, void *buff
}
#endif /* CONFIG_SYSCTL */
-#ifdef CONFIG_SCHED_DEBUG
void print_rt_stats(struct seq_file *m, int cpu)
{
rt_rq_iter_t iter;
@@ -2978,4 +2977,3 @@ void print_rt_stats(struct seq_file *m, int cpu)
print_rt_rq(m, cpu, rt_rq);
rcu_read_unlock();
}
-#endif /* CONFIG_SCHED_DEBUG */