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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2016-05-27 15:11:51 +0200
committerSteven Rostedt <rostedt@goodmis.org>2016-07-12 17:00:28 -0400
commitd90a745aa361ecba9051870de4d6fae88069677f (patch)
tree7cddb767ee6cdae986949d149b5de01851712b50
parent31a1d2c85694e09d6f74d1ed2f2d1fd9e45f0f63 (diff)
downloadlinux-rt-d90a745aa361ecba9051870de4d6fae88069677f.tar.gz
locallock: add local_lock_on()
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-rw-r--r--include/linux/locallock.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/locallock.h b/include/linux/locallock.h
index 21653e9bfa20..015271ff8ec8 100644
--- a/include/linux/locallock.h
+++ b/include/linux/locallock.h
@@ -66,6 +66,9 @@ static inline void __local_lock(struct local_irq_lock *lv)
#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)) {
@@ -104,6 +107,9 @@ static inline void __local_unlock(struct local_irq_lock *lv)
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);