diff --git a/[refs] b/[refs]
index d13d89c858c2..5d3666c31f7c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fbe752188d5589e7fcbb8e79824e560f77dccc92
+refs/heads/master: 0ee23fda59740767324b4340247ca41a2f498ca6
diff --git a/trunk/arch/score/kernel/process.c b/trunk/arch/score/kernel/process.c
index 2707023c7563..637970cfd3f4 100644
--- a/trunk/arch/score/kernel/process.c
+++ b/trunk/arch/score/kernel/process.c
@@ -27,6 +27,7 @@
 #include <linux/reboot.h>
 #include <linux/elfcore.h>
 #include <linux/pm.h>
+#include <linux/rcupdate.h>
 
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
@@ -50,9 +51,10 @@ void __noreturn cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
 	while (1) {
+		rcu_idle_enter();
 		while (!need_resched())
 			barrier();
-
+		rcu_idle_exit();
 		schedule_preempt_disabled();
 	}
 }