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/* * Mutexes: blocking mutual exclusion locks * * started by Ingo Molnar: * * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> * * This file contains mutex debugging related internal prototypes, for the * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs: */ #define spin_lock_mutex(lock) spin_lock(lock) #define spin_unlock_mutex(lock) spin_unlock(lock) #define mutex_remove_waiter(lock, waiter, ti) \ __list_del((waiter)->list.prev, (waiter)->list.next) #define DEBUG_WARN_ON(c) do { } while (0) #define debug_mutex_set_owner(lock, new_owner) do { } while (0) #define debug_mutex_clear_owner(lock) do { } while (0) #define debug_mutex_init_waiter(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, ip) do { } while (0) #define debug_mutex_unlock(lock) do { } while (0) #define debug_mutex_init(lock, name) do { } while (0) /* * Return-address parameters/declarations. They are very useful for * debugging, but add overhead in the !DEBUG case - so we go the * trouble of using this not too elegant but zero-cost solution: */ #define __IP_DECL__ #define __IP__ #define __RET_IP__ |