V4L/DVB: cx231xx: improve error handling
[safe/jmp/linux-2.6] / kernel / sched_debug.c
index 5ae24fc..19be00b 100644 (file)
@@ -114,7 +114,9 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
        {
                char path[64];
 
+               rcu_read_lock();
                cgroup_path(task_group(p)->css.cgroup, path, sizeof(path));
+               rcu_read_unlock();
                SEQ_printf(m, " %s", path);
        }
 #endif
@@ -184,7 +186,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
        SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "exec_clock",
                        SPLIT_NS(cfs_rq->exec_clock));
 
-       spin_lock_irqsave(&rq->lock, flags);
+       raw_spin_lock_irqsave(&rq->lock, flags);
        if (cfs_rq->rb_leftmost)
                MIN_vruntime = (__pick_next_entity(cfs_rq))->vruntime;
        last = __pick_last_entity(cfs_rq);
@@ -192,7 +194,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
                max_vruntime = last->vruntime;
        min_vruntime = cfs_rq->min_vruntime;
        rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime;
-       spin_unlock_irqrestore(&rq->lock, flags);
+       raw_spin_unlock_irqrestore(&rq->lock, flags);
        SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "MIN_vruntime",
                        SPLIT_NS(MIN_vruntime));
        SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "min_vruntime",
@@ -518,8 +520,4 @@ void proc_sched_set_task(struct task_struct *p)
        p->se.nr_wakeups_idle                   = 0;
        p->sched_info.bkl_count                 = 0;
 #endif
-       p->se.sum_exec_runtime                  = 0;
-       p->se.prev_sum_exec_runtime             = 0;
-       p->nvcsw                                = 0;
-       p->nivcsw                               = 0;
 }