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ftrace: mcount_addr defined but not used

When CONFIG_DYNAMIC_FTRACE isn't used, neither is mcount_addr. This
patch eliminates that warning.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Steven Noonan 16 年之前
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共有 1 个文件被更改,包括 8 次插入8 次删除
  1. 8 8
      kernel/trace/ftrace.c

+ 8 - 8
kernel/trace/ftrace.c

@@ -36,14 +36,6 @@
 int ftrace_enabled __read_mostly;
 static int last_ftrace_enabled;
 
-/*
- * Since MCOUNT_ADDR may point to mcount itself, we do not want
- * to get it confused by reading a reference in the code as we
- * are parsing on objcopy output of text. Use a variable for
- * it instead.
- */
-static unsigned long mcount_addr = MCOUNT_ADDR;
-
 /*
  * ftrace_disabled is set when an anomaly is discovered.
  * ftrace_disabled is much stronger than ftrace_enabled.
@@ -178,6 +170,14 @@ static DEFINE_SPINLOCK(ftrace_hash_lock);
 #define ftrace_hash_unlock(flags) do { } while(0)
 #endif
 
+/*
+ * Since MCOUNT_ADDR may point to mcount itself, we do not want
+ * to get it confused by reading a reference in the code as we
+ * are parsing on objcopy output of text. Use a variable for
+ * it instead.
+ */
+static unsigned long mcount_addr = MCOUNT_ADDR;
+
 static struct task_struct *ftraced_task;
 
 enum {