1 files changed, 3 insertions, 0 deletions

diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index ff95f50efea5..2eb7fa5bf9d8 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -25,6 +25,7 @@
 #include <linux/reboot.h>
 #include <linux/interrupt.h>
 #include <linux/pagemap.h>
+#include <linux/rcupdate.h>
 
 #include <asm/asm-offsets.h>
 #include <asm/uaccess.h>
@@ -69,12 +70,14 @@ void cpu_idle(void)
 {
         /* endless idle loop with no priority at all */
         while (1) {
+                rcu_idle_enter();
                 while (!need_resched()) {
                         check_pgt_cache();
 
                         if (!frv_dma_inprogress && idle)
                                 idle();
                 }
+                rcu_idle_exit();
 
                 schedule_preempt_disabled();
         }