LXR linux/kernel/locking/mutex.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Mutexes: blocking mutual exclusion locks
   4 *
   5 * started by Ingo Molnar:
   6 *
   7 *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
   8 *
   9 * This file contains mutex debugging related internal prototypes, for the
  10 * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
  11 */
  12
  13#define mutex_remove_waiter(lock, waiter, task) \
  14                __list_del((waiter)->list.prev, (waiter)->list.next)
  15
  16#define debug_mutex_wake_waiter(lock, waiter)           do { } while (0)
  17#define debug_mutex_free_waiter(waiter)                 do { } while (0)
  18#define debug_mutex_add_waiter(lock, waiter, ti)        do { } while (0)
  19#define debug_mutex_unlock(lock)                        do { } while (0)
  20#define debug_mutex_init(lock, name, key)               do { } while (0)
  21
  22static inline void
  23debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
  24{
  25}
  26