Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_LOCAL_LOCK_H
3#define _LINUX_LOCAL_LOCK_H
4
5#include <linux/local_lock_internal.h>
6
7/**
8 * local_lock_init - Runtime initialize a lock instance
9 */
10#define local_lock_init(lock) __local_lock_init(lock)
11
12/**
13 * local_lock - Acquire a per CPU local lock
14 * @lock: The lock variable
15 */
16#define local_lock(lock) __local_lock(lock)
17
18/**
19 * local_lock_irq - Acquire a per CPU local lock and disable interrupts
20 * @lock: The lock variable
21 */
22#define local_lock_irq(lock) __local_lock_irq(lock)
23
24/**
25 * local_lock_irqsave - Acquire a per CPU local lock, save and disable
26 * interrupts
27 * @lock: The lock variable
28 * @flags: Storage for interrupt flags
29 */
30#define local_lock_irqsave(lock, flags) \
31 __local_lock_irqsave(lock, flags)
32
33/**
34 * local_unlock - Release a per CPU local lock
35 * @lock: The lock variable
36 */
37#define local_unlock(lock) __local_unlock(lock)
38
39/**
40 * local_unlock_irq - Release a per CPU local lock and enable interrupts
41 * @lock: The lock variable
42 */
43#define local_unlock_irq(lock) __local_unlock_irq(lock)
44
45/**
46 * local_unlock_irqrestore - Release a per CPU local lock and restore
47 * interrupt flags
48 * @lock: The lock variable
49 * @flags: Interrupt flags to restore
50 */
51#define local_unlock_irqrestore(lock, flags) \
52 __local_unlock_irqrestore(lock, flags)
53
54DEFINE_GUARD(local_lock, local_lock_t __percpu*,
55 local_lock(_T),
56 local_unlock(_T))
57DEFINE_GUARD(local_lock_irq, local_lock_t __percpu*,
58 local_lock_irq(_T),
59 local_unlock_irq(_T))
60DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t __percpu,
61 local_lock_irqsave(_T->lock, _T->flags),
62 local_unlock_irqrestore(_T->lock, _T->flags),
63 unsigned long flags)
64
65#define local_lock_nested_bh(_lock) \
66 __local_lock_nested_bh(_lock)
67
68#define local_unlock_nested_bh(_lock) \
69 __local_unlock_nested_bh(_lock)
70
71DEFINE_GUARD(local_lock_nested_bh, local_lock_t __percpu*,
72 local_lock_nested_bh(_T),
73 local_unlock_nested_bh(_T))
74
75#endif