1 files changed, 0 insertions, 11 deletions

diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index 3509086cdc4c..ffdf592a54e3 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -394,14 +394,6 @@ static void irqsoff_tracer_reset(struct trace_array *tr)
                 stop_irqsoff_tracer(tr);
 }
 
-static void irqsoff_tracer_ctrl_update(struct trace_array *tr)
-{
-        if (tr->ctrl)
-                start_irqsoff_tracer(tr);
-        else
-                stop_irqsoff_tracer(tr);
-}
-
 static void irqsoff_tracer_start(struct trace_array *tr)
 {
         tracer_enabled = 1;
@@ -442,7 +434,6 @@ static struct tracer irqsoff_tracer __read_mostly =
         .stop           = irqsoff_tracer_stop,
         .open           = irqsoff_tracer_open,
         .close          = irqsoff_tracer_close,
-        .ctrl_update    = irqsoff_tracer_ctrl_update,
         .print_max      = 1,
 #ifdef CONFIG_FTRACE_SELFTEST
         .selftest    = trace_selftest_startup_irqsoff,
@@ -470,7 +461,6 @@ static struct tracer preemptoff_tracer __read_mostly =
         .stop           = irqsoff_tracer_stop,
         .open           = irqsoff_tracer_open,
         .close          = irqsoff_tracer_close,
-        .ctrl_update    = irqsoff_tracer_ctrl_update,
         .print_max      = 1,
 #ifdef CONFIG_FTRACE_SELFTEST
         .selftest    = trace_selftest_startup_preemptoff,
@@ -500,7 +490,6 @@ static struct tracer preemptirqsoff_tracer __read_mostly =
         .stop           = irqsoff_tracer_stop,
         .open           = irqsoff_tracer_open,
         .close          = irqsoff_tracer_close,
-        .ctrl_update    = irqsoff_tracer_ctrl_update,
         .print_max      = 1,
 #ifdef CONFIG_FTRACE_SELFTEST
         .selftest    = trace_selftest_startup_preemptirqsoff,