trace: Use tracing_reset_online_cpus in more places

Impact: cleanup

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Frédéric Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 4 insertions, 16 deletions

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index ca017e0a9a27..1284145c8898 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 66fc7b806a38..c97594d826bc 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 b9767acd30ac..087b6cbf4ea5 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;
 }