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-rw-r--r--arch/xtensa/kernel/process.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 2c8d6a3..bc44311 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();
}
}