ftrace: remove ctrl_update method

Impact: Remove the ctrl_update tracer method

With the new quick start/stop method of tracing, the ctrl_update
method is out of date.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 9 deletions

diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 240577bc8ba5..23e54d4e4d92 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -348,14 +348,6 @@ static void wakeup_tracer_reset(struct trace_array *tr)
         }
 }
 
-static void wakeup_tracer_ctrl_update(struct trace_array *tr)
-{
-        if (tr->ctrl)
-                start_wakeup_tracer(tr);
-        else
-                stop_wakeup_tracer(tr);
-}
-
 static void wakeup_tracer_start(struct trace_array *tr)
 {
         wakeup_reset(tr);
@@ -393,7 +385,6 @@ static struct tracer wakeup_tracer __read_mostly =
         .stop           = wakeup_tracer_stop,
         .open           = wakeup_tracer_open,
         .close          = wakeup_tracer_close,
-        .ctrl_update    = wakeup_tracer_ctrl_update,
         .print_max      = 1,
 #ifdef CONFIG_FTRACE_SELFTEST
         .selftest    = trace_selftest_startup_wakeup,