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
  22 static inline void
  23 debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
  24 {
  25 }