ethtool: Reformat struct ethtool_coalesce comments into kernel-doc format

[pandora-kernel.git] / kernel / sched_rt.c

diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 10d0182..97540f0 100644 (file)
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -185,11 +185,23 @@ static inline u64 sched_rt_period(struct rt_rq *rt_rq)
 
 typedef struct task_group *rt_rq_iter_t;
 
-#define for_each_rt_rq(rt_rq, iter, rq) \
-       for (iter = list_entry_rcu(task_groups.next, typeof(*iter), list); \
-            (&iter->list != &task_groups) && \
-            (rt_rq = iter->rt_rq[cpu_of(rq)]); \
-            iter = list_entry_rcu(iter->list.next, typeof(*iter), list))
+static inline struct task_group *next_task_group(struct task_group *tg)
+{
+       do {
+               tg = list_entry_rcu(tg->list.next,
+                       typeof(struct task_group), list);
+       } while (&tg->list != &task_groups && task_group_is_autogroup(tg));
+
+       if (&tg->list == &task_groups)
+               tg = NULL;
+
+       return tg;
+}
+
+#define for_each_rt_rq(rt_rq, iter, rq)                                        \
+       for (iter = container_of(&task_groups, typeof(*iter), list);    \
+               (iter = next_task_group(iter)) &&                       \
+               (rt_rq = iter->rt_rq[cpu_of(rq)]);)
 
 static inline void list_add_leaf_rt_rq(struct rt_rq *rt_rq)
 {
@@ -1126,7 +1138,7 @@ static struct task_struct *_pick_next_task_rt(struct rq *rq)
 
        rt_rq = &rq->rt;
 
-       if (unlikely(!rt_rq->rt_nr_running))
+       if (!rt_rq->rt_nr_running)
                return NULL;
 
        if (rt_rq_throttled(rt_rq))
@@ -1548,7 +1560,7 @@ skip:
 static void pre_schedule_rt(struct rq *rq, struct task_struct *prev)
 {
        /* Try to pull RT tasks here if we lower this rq's prio */
-       if (unlikely(rt_task(prev)) && rq->rt.highest_prio.curr > prev->prio)
+       if (rq->rt.highest_prio.curr > prev->prio)
                pull_rt_task(rq);
 }