tracing: Remove one use of trace_current_buffer_lock_reserve()
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>
Fri, 29 Apr 2016 22:10:21 +0000 (18:10 -0400)
committerSteven Rostedt <rostedt@goodmis.org>
Fri, 29 Apr 2016 22:10:21 +0000 (18:10 -0400)
The only user of trace_current_buffer_lock_reserve() is in the boot up self
tests. Restructure the code a little to have that code use what everything
else uses: trace_event_buffer_lock_reserve().

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/trace_events.c

index e7cb983ee93c82d6a2d16e16e6c29ef3e87bfda1..da1eeb6190e3e9a268bd3421e882c227af7d87c7 100644 (file)
@@ -3392,7 +3392,7 @@ static __init void event_trace_self_tests(void)
 
 static DEFINE_PER_CPU(atomic_t, ftrace_test_event_disable);
 
-static struct trace_array *event_tr;
+static struct trace_event_file event_trace_file __initdata;
 
 static void __init
 function_test_events_call(unsigned long ip, unsigned long parent_ip,
@@ -3416,17 +3416,17 @@ function_test_events_call(unsigned long ip, unsigned long parent_ip,
 
        local_save_flags(flags);
 
-       event = trace_current_buffer_lock_reserve(&buffer,
-                                                 TRACE_FN, sizeof(*entry),
-                                                 flags, pc);
+       event = trace_event_buffer_lock_reserve(&buffer, &event_trace_file,
+                                               TRACE_FN, sizeof(*entry),
+                                               flags, pc);
        if (!event)
                goto out;
        entry   = ring_buffer_event_data(event);
        entry->ip                       = ip;
        entry->parent_ip                = parent_ip;
 
-       trace_buffer_unlock_commit(event_tr, buffer, event, flags, pc);
-
+       event_trigger_unlock_commit(&event_trace_file, buffer, event,
+                                   entry, flags, pc);
  out:
        atomic_dec(&per_cpu(ftrace_test_event_disable, cpu));
        preempt_enable_notrace();
@@ -3441,9 +3441,11 @@ static struct ftrace_ops trace_ops __initdata  =
 static __init void event_trace_self_test_with_function(void)
 {
        int ret;
-       event_tr = top_trace_array();
-       if (WARN_ON(!event_tr))
+
+       event_trace_file.tr = top_trace_array();
+       if (WARN_ON(!event_trace_file.tr))
                return;
+
        ret = register_ftrace_function(&trace_ops);
        if (WARN_ON(ret < 0)) {
                pr_info("Failed to enable function tracer for event tests\n");