Contributors: 11
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Ingo Molnar |
164 |
76.28% |
8 |
36.36% |
Thomas Gleixner |
17 |
7.91% |
2 |
9.09% |
Zhang Qiang |
10 |
4.65% |
1 |
4.55% |
Andrew Morton |
5 |
2.33% |
2 |
9.09% |
Nicolai Hähnle |
4 |
1.86% |
1 |
4.55% |
Linus Torvalds |
4 |
1.86% |
1 |
4.55% |
Pavel Machek |
4 |
1.86% |
1 |
4.55% |
Peter Zijlstra |
3 |
1.40% |
3 |
13.64% |
Waiman Long |
2 |
0.93% |
1 |
4.55% |
Greg Kroah-Hartman |
1 |
0.47% |
1 |
4.55% |
David S. Miller |
1 |
0.47% |
1 |
4.55% |
Total |
215 |
|
22 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Mutexes: blocking mutual exclusion locks
*
* started by Ingo Molnar:
*
* Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
*/
/*
* This is the control structure for tasks blocked on mutex, which resides
* on the blocked task's kernel stack:
*/
struct mutex_waiter {
struct list_head list;
struct task_struct *task;
struct ww_acquire_ctx *ww_ctx;
#ifdef CONFIG_DEBUG_MUTEXES
void *magic;
#endif
};
#ifdef CONFIG_DEBUG_MUTEXES
extern void debug_mutex_lock_common(struct mutex *lock,
struct mutex_waiter *waiter);
extern void debug_mutex_wake_waiter(struct mutex *lock,
struct mutex_waiter *waiter);
extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
extern void debug_mutex_add_waiter(struct mutex *lock,
struct mutex_waiter *waiter,
struct task_struct *task);
extern void debug_mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
struct task_struct *task);
extern void debug_mutex_unlock(struct mutex *lock);
extern void debug_mutex_init(struct mutex *lock, const char *name,
struct lock_class_key *key);
#else /* CONFIG_DEBUG_MUTEXES */
# define debug_mutex_lock_common(lock, waiter) do { } while (0)
# define debug_mutex_wake_waiter(lock, waiter) do { } while (0)
# define debug_mutex_free_waiter(waiter) do { } while (0)
# define debug_mutex_add_waiter(lock, waiter, ti) do { } while (0)
# define debug_mutex_remove_waiter(lock, waiter, ti) do { } while (0)
# define debug_mutex_unlock(lock) do { } while (0)
# define debug_mutex_init(lock, name, key) do { } while (0)
#endif /* !CONFIG_DEBUG_MUTEXES */