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-rw-r--r--kernel/trace/trace_functions.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index 9f1b0de7128..e980b872bef 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -54,14 +54,6 @@ static void function_trace_reset(struct trace_array *tr)
stop_function_trace(tr);
}
-static void function_trace_ctrl_update(struct trace_array *tr)
-{
- if (tr->ctrl)
- start_function_trace(tr);
- else
- stop_function_trace(tr);
-}
-
static void function_trace_start(struct trace_array *tr)
{
function_reset(tr);
@@ -73,7 +65,6 @@ static struct tracer function_trace __read_mostly =
.init = function_trace_init,
.reset = function_trace_reset,
.start = function_trace_start,
- .ctrl_update = function_trace_ctrl_update,
#ifdef CONFIG_FTRACE_SELFTEST
.selftest = trace_selftest_startup_function,
#endif