diff options
Diffstat (limited to 'kernel/sched_rt.c')
| -rw-r--r-- | kernel/sched_rt.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index d9ba9d5f99d..51d2af3e619 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -77,7 +77,7 @@ static inline u64 sched_rt_period(struct rt_rq *rt_rq) } #define for_each_leaf_rt_rq(rt_rq, rq) \ - list_for_each_entry(rt_rq, &rq->leaf_rt_rq_list, leaf_rt_rq_list) + list_for_each_entry_rcu(rt_rq, &rq->leaf_rt_rq_list, leaf_rt_rq_list) static inline struct rq *rq_of_rt_rq(struct rt_rq *rt_rq) { @@ -537,13 +537,13 @@ static void update_curr_rt(struct rq *rq) for_each_sched_rt_entity(rt_se) { rt_rq = rt_rq_of_se(rt_se); - spin_lock(&rt_rq->rt_runtime_lock); if (sched_rt_runtime(rt_rq) != RUNTIME_INF) { + spin_lock(&rt_rq->rt_runtime_lock); rt_rq->rt_time += delta_exec; if (sched_rt_runtime_exceeded(rt_rq)) resched_task(curr); + spin_unlock(&rt_rq->rt_runtime_lock); } - spin_unlock(&rt_rq->rt_runtime_lock); } } @@ -909,9 +909,6 @@ static void put_prev_task_rt(struct rq *rq, struct task_struct *p) /* Only try algorithms three times */ #define RT_MAX_TRIES 3 -static int double_lock_balance(struct rq *this_rq, struct rq *busiest); -static void double_unlock_balance(struct rq *this_rq, struct rq *busiest); - static void deactivate_task(struct rq *rq, struct task_struct *p, int sleep); static int pick_rt_task(struct rq *rq, struct task_struct *p, int cpu) |