[PATCH RT 1/5] locallock: add local_lock_on()
flat view
STALE3759d
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2016-07-12 14:22:53
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
4.4.12-rt20-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- include/linux/locallock.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/locallock.h b/include/linux/locallock.h
index 6fe5928fc2ab..e572a3971631 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);
--
2.8.1