1 files changed, 3 insertions, 0 deletions

diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 2c8d6a3d250a..bc44311aa18c 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -31,6 +31,7 @@
 #include <linux/mqueue.h>
 #include <linux/fs.h>
 #include <linux/slab.h>
+#include <linux/rcupdate.h>
 
 #include <asm/pgtable.h>
 #include <asm/uaccess.h>
@@ -110,8 +111,10 @@ void cpu_idle(void)
 
         /* endless idle loop with no priority at all */
         while (1) {
+                rcu_idle_enter();
                 while (!need_resched())
                         platform_idle();
+                rcu_idle_exit();
                 schedule_preempt_disabled();
         }
 }