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yaml --- r: 140698 b: refs/heads/master c: d8b891a h: refs/heads/master v: v3
git-mirror · Feb 8, 2009 · 6c607be · 6c607be
1 parent f2831ca
commit 6c607be
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 78d904b46a72fcf15ea6a39672bbef92953876b5
+refs/heads/master: d8b891a2db13c8ed296158d6f8c4e335896d0cef
diff --git a/trunk/include/linux/ring_buffer.h b/trunk/include/linux/ring_buffer.h
@@ -124,9 +124,18 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu);
 u64 ring_buffer_time_stamp(int cpu);
 void ring_buffer_normalize_time_stamp(int cpu, u64 *ts);
 
+/*
+ * The below functions are fine to use outside the tracing facility.
+ */
+#ifdef CONFIG_RING_BUFFER
 void tracing_on(void);
 void tracing_off(void);
 void tracing_off_permanent(void);
+#else
+static inline void tracing_on(void) { }
+static inline void tracing_off(void) { }
+static inline void tracing_off_permanent(void) { }
+#endif
 
 void *ring_buffer_alloc_read_page(struct ring_buffer *buffer);
 void ring_buffer_free_read_page(struct ring_buffer *buffer, void *data);