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

diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index cdf5740..51d2af3 100644 (file)
--- 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)
 {
@@ -526,6 +526,8 @@ static void update_curr_rt(struct rq *rq)
        schedstat_set(curr->se.exec_max, max(curr->se.exec_max, delta_exec));
 
        curr->se.sum_exec_runtime += delta_exec;
+       account_group_exec_runtime(curr, delta_exec);
+
        curr->se.exec_start = rq->clock;
        cpuacct_charge(curr, delta_exec);
 
@@ -535,13 +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);
        }
 }
 
@@ -907,9 +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)
@@ -1458,7 +1457,7 @@ static void watchdog(struct rq *rq, struct task_struct *p)
                p->rt.timeout++;
                next = DIV_ROUND_UP(min(soft, hard), USEC_PER_SEC/HZ);
                if (p->rt.timeout > next)
-                       p->it_sched_expires = p->se.sum_exec_runtime;
+                       p->cputime_expires.sched_exp = p->se.sum_exec_runtime;
        }
 }
 
@@ -1502,9 +1501,6 @@ static const struct sched_class rt_sched_class = {
        .enqueue_task           = enqueue_task_rt,
        .dequeue_task           = dequeue_task_rt,
        .yield_task             = yield_task_rt,
-#ifdef CONFIG_SMP
-       .select_task_rq         = select_task_rq_rt,
-#endif /* CONFIG_SMP */
 
        .check_preempt_curr     = check_preempt_curr_rt,
 
@@ -1512,6 +1508,8 @@ static const struct sched_class rt_sched_class = {
        .put_prev_task          = put_prev_task_rt,
 
 #ifdef CONFIG_SMP
+       .select_task_rq         = select_task_rq_rt,
+
        .load_balance           = load_balance_rt,
        .move_one_task          = move_one_task_rt,
        .set_cpus_allowed       = set_cpus_allowed_rt,