Messages in this thread Patch in this message | | | Date | Tue, 12 Jul 2016 10:24:22 -0400 | From | Steven Rostedt <> | Subject | [PATCH RT 17/20] locallock: add local_lock_on() |
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4.1.27-rt31-rc1 stable review patch. If anyone has any objections, please let me know.
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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 339ba00adb9a..0edbf192f6d1 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
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