diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index 436c427b27dd8e8a6dd609964bfa6be8a916c18b..c4ea07e85798566086666c0e4058a875fec0155b 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -183,7 +183,6 @@ static int membarrier_private_expedited(int flags)
 		 */
 		if (cpu == raw_smp_processor_id())
 			continue;
-		rcu_read_lock();
 		p = task_rcu_dereference(&cpu_rq(cpu)->curr);
 		if (p && p->mm == mm)
 			__cpumask_set_cpu(cpu, tmpmask);