diff --git a/kernel/tkernel/irqlatency/irqlatency.c b/kernel/tkernel/irqlatency/irqlatency.c
index dc7f89b7c6bd9a0dbbc81ab297a4145dfc896202..f4ea48a78536a9b72cfa2ab8c1278f2245cd8455 100644
--- a/kernel/tkernel/irqlatency/irqlatency.c
+++ b/kernel/tkernel/irqlatency/irqlatency.c
@@ -753,8 +753,10 @@ static void __exit trace_latency_exit(void)
 {
 	remove_proc_subtree("irq_latency", NULL);
 	mutex_lock(&control_lock);
+	cpus_read_lock();
 	WRITE_ONCE(check_enable, 0);
 	cpuhp_remove_state(irqlatency_hp_state);
+	cpus_read_unlock();
 	mutex_unlock(&control_lock);
 	free_percpu(detect_data);
 	pr_info("Unload irq latency check module!\n");