diff --git a/[refs] b/[refs]
index d059dc912c1f..2f4ccb143bf2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1304afb225288a2e250d6a7495462c28e5509cbb
+refs/heads/master: 3acd9eb31c5f7eb97cb2009fa41472710fb4a10f
diff --git a/trunk/kernel/rcutree.c b/trunk/kernel/rcutree.c
index 65a807b4f58c..b07be37d2aa3 100644
--- a/trunk/kernel/rcutree.c
+++ b/trunk/kernel/rcutree.c
@@ -476,7 +476,9 @@ static void print_other_cpu_stall(struct rcu_state *rsp)
 
 	printk(KERN_ERR "INFO: RCU detected CPU stalls:");
 	rcu_for_each_leaf_node(rsp, rnp) {
+		raw_spin_lock_irqsave(&rnp->lock, flags);
 		rcu_print_task_stall(rnp);
+		raw_spin_unlock_irqrestore(&rnp->lock, flags);
 		if (rnp->qsmask == 0)
 			continue;
 		for (cpu = 0; cpu <= rnp->grphi - rnp->grplo; cpu++)
diff --git a/trunk/kernel/rcutree_plugin.h b/trunk/kernel/rcutree_plugin.h
index a8b2e834fd3a..aecfe37e0117 100644
--- a/trunk/kernel/rcutree_plugin.h
+++ b/trunk/kernel/rcutree_plugin.h
@@ -318,18 +318,15 @@ EXPORT_SYMBOL_GPL(__rcu_read_unlock);
  */
 static void rcu_print_task_stall(struct rcu_node *rnp)
 {
-	unsigned long flags;
 	struct list_head *lp;
 	int phase;
 	struct task_struct *t;
 
 	if (rcu_preempted_readers(rnp)) {
-		raw_spin_lock_irqsave(&rnp->lock, flags);
 		phase = rnp->gpnum & 0x1;
 		lp = &rnp->blocked_tasks[phase];
 		list_for_each_entry(t, lp, rcu_node_entry)
 			printk(" P%d", t->pid);
-		raw_spin_unlock_irqrestore(&rnp->lock, flags);
 	}
 }