33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Fri, 27 May 2016 15:11:51 +0200
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Subject: [PATCH] locallock: add local_lock_on()
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.9/older/patches-4.9-rt1.tar.xz
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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---
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include/linux/locallock.h | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/include/linux/locallock.h
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+++ b/include/linux/locallock.h
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@@ -60,6 +60,9 @@ static inline void __local_lock(struct l
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#define local_lock(lvar) \
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do { __local_lock(&get_local_var(lvar)); } while (0)
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+#define local_lock_on(lvar, cpu) \
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+ do { __local_lock(&per_cpu(lvar, cpu)); } while (0)
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+
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static inline int __local_trylock(struct local_irq_lock *lv)
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{
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if (lv->owner != current && spin_trylock_local(&lv->lock)) {
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@@ -98,6 +101,9 @@ static inline void __local_unlock(struct
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put_local_var(lvar); \
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} while (0)
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+#define local_unlock_on(lvar, cpu) \
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+ do { __local_unlock(&per_cpu(lvar, cpu)); } while (0)
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+
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static inline void __local_lock_irq(struct local_irq_lock *lv)
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{
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spin_lock_irqsave(&lv->lock, lv->flags);
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