tracing: Remove function_trace_stop and HAVE_FUNCTION_TRACE_MCOUNT_TEST

All users of function_trace_stop and HAVE_FUNCTION_TRACE_MCOUNT_TEST have
been removed. We can safely remove them from the kernel.

Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

3 files changed, 0 insertions, 10 deletions

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index c800906235e1..7a5b7b97e539 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -129,8 +129,6 @@ struct ftrace_ops {
 #endif
 };
 
-extern int function_trace_stop;
-
 /*
  * Type of the current tracing.
  */
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index d4409356f40d..a5da09c899dd 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -29,11 +29,6 @@ config HAVE_FUNCTION_GRAPH_FP_TEST
         help
           See Documentation/trace/ftrace-design.txt
 
-config HAVE_FUNCTION_TRACE_MCOUNT_TEST
-        bool
-        help
-          See Documentation/trace/ftrace-design.txt
-
 config HAVE_DYNAMIC_FTRACE
         bool
         help
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 70abf97d6e84..4c61f28a08e0 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -80,9 +80,6 @@ static struct ftrace_ops ftrace_list_end __read_mostly = {
 int ftrace_enabled __read_mostly;
 static int last_ftrace_enabled;
 
-/* Quick disabling of function tracer. */
-int function_trace_stop __read_mostly;
-
 /* Current function tracing op */
 struct ftrace_ops *function_trace_op __read_mostly = &ftrace_list_end;
 /* What to set function_trace_op to */