1 files changed, 2 insertions, 5 deletions

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index c7fe1ea0e8ab..ce33780d8f20 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -150,7 +150,6 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
 static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu)
 {
         struct task_struct *g, *p;
-        unsigned long flags;
 
         SEQ_printf(m,
         "\nrunnable tasks:\n"
@@ -159,14 +158,14 @@ static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu)
         "------------------------------------------------------"
         "----------------------------------------------------\n");
 
-        read_lock_irqsave(&tasklist_lock, flags);
+        rcu_read_lock();
         for_each_process_thread(g, p) {
                 if (task_cpu(p) != rq_cpu)
                         continue;
 
                 print_task(m, rq, p);
         }
-        read_unlock_irqrestore(&tasklist_lock, flags);
+        rcu_read_unlock();
 }
 
 void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
@@ -331,9 +330,7 @@ do {									\
         print_cfs_stats(m, cpu);
         print_rt_stats(m, cpu);
 
-        rcu_read_lock();
         print_rq(m, rq, cpu);
-        rcu_read_unlock();
         spin_unlock_irqrestore(&sched_debug_lock, flags);
         SEQ_printf(m, "\n");
 }