[PATCH] trace: Use tracing_reset_online_cpus in more places

[Arnaldo Carvalho de Melo]

Impact: cleanup

Cc: Frédéric Weisbecker <fweisbec@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>    
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index ca017e0..1284145 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -133,11 +133,7 @@ static void stop_branch_trace(struct trace_array *tr)
 
 static int branch_trace_init(struct trace_array *tr)
 {
-	int cpu;
-
-	for_each_online_cpu(cpu)
-		tracing_reset(tr, cpu);
-
+	tracing_reset_online_cpus(tr);
 	start_branch_trace(tr);
 	return 0;
 }
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 66fc7b8..c97594d 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -52,15 +52,11 @@ static struct tracer_flags tracer_flags = {
 
 static int graph_trace_init(struct trace_array *tr)
 {
-	int cpu, ret;
-
-	for_each_online_cpu(cpu)
-		tracing_reset(tr, cpu);
-
-	ret = register_ftrace_graph(&trace_graph_return,
+	int ret = register_ftrace_graph(&trace_graph_return,
 					&trace_graph_entry);
 	if (ret)
 		return ret;
+	tracing_reset_online_cpus(tr);
 	tracing_start_cmdline_record();
 
 	return 0;
diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
index b9767ac..087b6cb 100644
--- a/kernel/trace/trace_nop.c
+++ b/kernel/trace/trace_nop.c
@@ -47,12 +47,8 @@ static void stop_nop_trace(struct trace_array *tr)
 
 static int nop_trace_init(struct trace_array *tr)
 {
-	int cpu;
 	ctx_trace = tr;
-
-	for_each_online_cpu(cpu)
-		tracing_reset(tr, cpu);
-
+	tracing_reset_online_cpus(tr);
 	start_nop_trace(tr);
 	return 0;
 }
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