lockdep: build fix
authorIngo Molnar <mingo@elte.hu>
Fri, 1 Aug 2008 09:23:50 +0000 (11:23 +0200)
committerIngo Molnar <mingo@elte.hu>
Wed, 13 Aug 2008 10:55:10 +0000 (12:55 +0200)
fix:

 kernel/built-in.o: In function `lockdep_stats_show':
 lockdep_proc.c:(.text+0x3cb2f): undefined reference to `lockdep_count_forward_deps'
 kernel/built-in.o: In function `l_show':
 lockdep_proc.c:(.text+0x3d02b): undefined reference to `lockdep_count_forward_deps'
 lockdep_proc.c:(.text+0x3d047): undefined reference to `lockdep_count_backward_deps'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/lockdep_internals.h

index 55db193d366dcd8489290883f411c4938f45df0e..56b196932c081e915568d4fef27a92c08e129758 100644 (file)
@@ -50,8 +50,21 @@ extern unsigned int nr_process_chains;
 extern unsigned int max_lockdep_depth;
 extern unsigned int max_recursion_depth;
 
+#ifdef CONFIG_PROVE_LOCKING
 extern unsigned long lockdep_count_forward_deps(struct lock_class *);
 extern unsigned long lockdep_count_backward_deps(struct lock_class *);
+#else
+static inline unsigned long
+lockdep_count_forward_deps(struct lock_class *class)
+{
+       return 0;
+}
+static inline unsigned long
+lockdep_count_backward_deps(struct lock_class *class)
+{
+       return 0;
+}
+#endif
 
 #ifdef CONFIG_DEBUG_LOCKDEP
 /*