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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 23 Oct 2023 16:14:09 +0200
Subject: [PATCH 01/15] locking/local_lock: Introduce guard definition for
local_lock.
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.10/older/patches-6.10.2-rt14.tar.xz
Introduce lock guard definition for local_lock_t. There are no users
yet.
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/local_lock.h | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/include/linux/local_lock.h
+++ b/include/linux/local_lock.h
@@ -51,4 +51,15 @@
#define local_unlock_irqrestore(lock, flags) \
__local_unlock_irqrestore(lock, flags)
+DEFINE_GUARD(local_lock, local_lock_t __percpu*,
+ local_lock(_T),
+ local_unlock(_T))
+DEFINE_GUARD(local_lock_irq, local_lock_t __percpu*,
+ local_lock_irq(_T),
+ local_unlock_irq(_T))
+DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t __percpu,
+ local_lock_irqsave(_T->lock, _T->flags),
+ local_unlock_irqrestore(_T->lock, _T->flags),
+ unsigned long flags)
+
#endif
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