Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
[pandora-kernel.git] / kernel / sched_rt.c
index d9ba9d5..51d2af3 100644 (file)
@@ -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)