ftrace: remove ctrl_update method

[mirror_ubuntu-zesty-kernel.git] / kernel / trace / trace_sched_switch.c

diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index 79410db64d6f31742fc9ad77b8bef4bddec29010..7b73fd11e4aa2928704046b6c2807477aa6a82dd 100644 (file)
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -220,15 +220,6 @@ static void sched_switch_trace_reset(struct trace_array *tr)
                stop_sched_trace(tr);
 }
 
-static void sched_switch_trace_ctrl_update(struct trace_array *tr)
-{
-       /* When starting a new trace, reset the buffers */
-       if (tr->ctrl)
-               start_sched_trace(tr);
-       else
-               stop_sched_trace(tr);
-}
-
 static void sched_switch_trace_start(struct trace_array *tr)
 {
        sched_switch_reset(tr);
@@ -247,7 +238,6 @@ static struct tracer sched_switch_trace __read_mostly =
        .reset          = sched_switch_trace_reset,
        .start          = sched_switch_trace_start,
        .stop           = sched_switch_trace_stop,
-       .ctrl_update    = sched_switch_trace_ctrl_update,
 #ifdef CONFIG_FTRACE_SELFTEST
        .selftest    = trace_selftest_startup_sched_switch,
 #endif