tunnels: fix netns vs proto registration ordering

[safe/jmp/linux-2.6] / kernel / mutex.h

diff --git a/kernel/mutex.h b/kernel/mutex.h
index 0691899..67578ca 100644 (file)
--- a/kernel/mutex.h
+++ b/kernel/mutex.h
@@ -16,22 +16,33 @@
 #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)
+#ifdef CONFIG_SMP
+static inline void mutex_set_owner(struct mutex *lock)
+{
+       lock->owner = current_thread_info();
+}
+
+static inline void mutex_clear_owner(struct mutex *lock)
+{
+       lock->owner = NULL;
+}
+#else
+static inline void mutex_set_owner(struct mutex *lock)
+{
+}
+
+static inline void mutex_clear_owner(struct mutex *lock)
+{
+}
+#endif
+
 #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_add_waiter(lock, waiter, ti)       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__
+#define debug_mutex_init(lock, name, key)              do { } while (0)
 
+static inline void
+debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
+{
+}