From: Sebastian Andrzej Siewior 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) Reviewed-by: Thomas Gleixner Signed-off-by: Sebastian Andrzej Siewior --- 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