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method is out of date.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_boot.c b/kernel/trace/trace_boot.c
index 0203c1054012..8f71915e8bb4 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -58,14 +58,6 @@ static void boot_trace_init(struct trace_array *tr)
         tracing_sched_switch_assign_trace(tr);
 }
 
-static void boot_trace_ctrl_update(struct trace_array *tr)
-{
-        if (tr->ctrl)
-                enable_boot_trace();
-        else
-                disable_boot_trace();
-}
-
 static enum print_line_t initcall_print_line(struct trace_iterator *iter)
 {
         int ret;
@@ -102,7 +94,6 @@ struct tracer boot_tracer __read_mostly =
         .name           = "initcall",
         .init           = boot_trace_init,
         .reset          = reset_boot_trace,
-        .ctrl_update    = boot_trace_ctrl_update,
         .print_line     = initcall_print_line,
 };