linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / kernel / mutex.h

diff --git a/kernel/mutex.h b/kernel/mutex.h
index a075daf..00fe84e 100644 (file)
--- a/kernel/mutex.h
+++ b/kernel/mutex.h
@@ -9,22 +9,27 @@
  * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
  */
 
-#define spin_lock_mutex(lock, flags) \
-               do { spin_lock(lock); (void)(flags); } while (0)
-#define spin_unlock_mutex(lock, flags) \
-               do { spin_unlock(lock); (void)(flags); } while (0)
+#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)       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, key)              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__
 
-static inline void
-debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
-{
-}