| Ingo Molnar | 6053ee3 | 2006-01-09 15:59:19 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Mutexes: blocking mutual exclusion locks |
| 3 | * |
| 4 | * started by Ingo Molnar: |
| 5 | * |
| 6 | * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> |
| 7 | * |
| 8 | * This file contains mutex debugging related internal prototypes, for the |
| 9 | * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs: |
| 10 | */ |
| 11 | |
| 12 | #define spin_lock_mutex(lock) spin_lock(lock) |
| 13 | #define spin_unlock_mutex(lock) spin_unlock(lock) |
| 14 | #define mutex_remove_waiter(lock, waiter, ti) \ |
| 15 | __list_del((waiter)->list.prev, (waiter)->list.next) |
| 16 | |
| 17 | #define DEBUG_WARN_ON(c) do { } while (0) |
| 18 | #define debug_mutex_set_owner(lock, new_owner) do { } while (0) |
| 19 | #define debug_mutex_clear_owner(lock) do { } while (0) |
| 20 | #define debug_mutex_init_waiter(waiter) do { } while (0) |
| 21 | #define debug_mutex_wake_waiter(lock, waiter) do { } while (0) |
| 22 | #define debug_mutex_free_waiter(waiter) do { } while (0) |
| 23 | #define debug_mutex_add_waiter(lock, waiter, ti, ip) do { } while (0) |
| 24 | #define debug_mutex_unlock(lock) do { } while (0) |
| 25 | #define debug_mutex_init(lock, name) do { } while (0) |
| 26 | |
| 27 | /* |
| 28 | * Return-address parameters/declarations. They are very useful for |
| 29 | * debugging, but add overhead in the !DEBUG case - so we go the |
| 30 | * trouble of using this not too elegant but zero-cost solution: |
| 31 | */ |
| 32 | #define __IP_DECL__ |
| 33 | #define __IP__ |
| 34 | #define __RET_IP__ |
| 35 | |