From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 27 May 2016 15:11:51 +0200
Subject: [PATCH] locallock: add local_lock_on()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.6/older/patches-4.6.2-rt5.tar.xz

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 include/linux/locallock.h |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/include/linux/locallock.h
+++ b/include/linux/locallock.h
@@ -60,6 +60,9 @@ static inline void __local_lock(struct l
 #define local_lock(lvar)					\
 	do { __local_lock(&get_local_var(lvar)); } while (0)
 
+#define local_lock_on(lvar, cpu)				\
+	do { __local_lock(&per_cpu(lvar, cpu)); } while (0)
+
 static inline int __local_trylock(struct local_irq_lock *lv)
 {
 	if (lv->owner != current && spin_trylock_local(&lv->lock)) {
@@ -98,6 +101,9 @@ static inline void __local_unlock(struct
 		put_local_var(lvar);				\
 	} while (0)
 
+#define local_unlock_on(lvar, cpu)                       \
+	do { __local_unlock(&per_cpu(lvar, cpu)); } while (0)
+
 static inline void __local_lock_irq(struct local_irq_lock *lv)
 {
 	spin_lock_irqsave(&lv->lock, lv->flags);
