1 files changed, 22 insertions, 23 deletions

diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index bbe6b31c3c56..48ecc51e7701 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -144,7 +144,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
         last = __pick_last_entity(cfs_rq);
         if (last)
                 max_vruntime = last->vruntime;
-        min_vruntime = rq->cfs.min_vruntime;
+        min_vruntime = cfs_rq->min_vruntime;
         rq0_min_vruntime = per_cpu(runqueues, 0).cfs.min_vruntime;
         spin_unlock_irqrestore(&rq->lock, flags);
         SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "MIN_vruntime",
@@ -161,26 +161,8 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
                         SPLIT_NS(spread0));
         SEQ_printf(m, "  .%-30s: %ld\n", "nr_running", cfs_rq->nr_running);
         SEQ_printf(m, "  .%-30s: %ld\n", "load", cfs_rq->load.weight);
-#ifdef CONFIG_SCHEDSTATS
-#define P(n) SEQ_printf(m, "  .%-30s: %d\n", #n, rq->n);
-
-        P(yld_exp_empty);
-        P(yld_act_empty);
-        P(yld_both_empty);
-        P(yld_count);
 
-        P(sched_switch);
-        P(sched_count);
-        P(sched_goidle);
-
-        P(ttwu_count);
-        P(ttwu_local);
-
-        P(bkl_count);
-
-#undef P
-#endif
-        SEQ_printf(m, "  .%-30s: %ld\n", "nr_spread_over",
+        SEQ_printf(m, "  .%-30s: %d\n", "nr_spread_over",
                         cfs_rq->nr_spread_over);
 #ifdef CONFIG_FAIR_GROUP_SCHED
 #ifdef CONFIG_SMP
@@ -260,6 +242,25 @@ static void print_cpu(struct seq_file *m, int cpu)
 #undef P
 #undef PN
 
+#ifdef CONFIG_SCHEDSTATS
+#define P(n) SEQ_printf(m, "  .%-30s: %d\n", #n, rq->n);
+
+        P(yld_exp_empty);
+        P(yld_act_empty);
+        P(yld_both_empty);
+        P(yld_count);
+
+        P(sched_switch);
+        P(sched_count);
+        P(sched_goidle);
+
+        P(ttwu_count);
+        P(ttwu_local);
+
+        P(bkl_count);
+
+#undef P
+#endif
         print_cfs_stats(m, cpu);
         print_rt_stats(m, cpu);
 
@@ -319,7 +320,7 @@ static int __init init_sched_debug_procfs(void)
 {
         struct proc_dir_entry *pe;
 
-        pe = proc_create("sched_debug", 0644, NULL, &sched_debug_fops);
+        pe = proc_create("sched_debug", 0444, NULL, &sched_debug_fops);
         if (!pe)
                 return -ENOMEM;
         return 0;
@@ -333,12 +334,10 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
         unsigned long flags;
         int num_threads = 1;
 
-        rcu_read_lock();
         if (lock_task_sighand(p, &flags)) {
                 num_threads = atomic_read(&p->signal->count);
                 unlock_task_sighand(p, &flags);
         }
-        rcu_read_unlock();
 
         SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid, num_threads);
         SEQ_printf(m,