Commit a3ae76d7 authored by Steven Rostedt (Google)'s avatar Steven Rostedt (Google)
Browse files

tracing: Make tracing_selftest_running/delete nops when not used 

There's no reason to test the condition variables tracing_selftest_running
or tracing_selftest_delete when tracing selftests are not enabled. Make
them define 0s when not the selftests are not configured in.

Link: https://lkml.kernel.org/r/20230528051742.1325503-4-rostedt@goodmis.org



Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 9da705d4

kernel/trace/trace.c

+4 −1
Original line number Diff line number Diff line
@@ -60,6 +60,7 @@ 
 */

bool ring_buffer_expanded;



#ifdef CONFIG_FTRACE_STARTUP_TEST

/*

 * We need to change this state when a selftest is running.

 * A selftest will lurk into the ring-buffer to count the
@@ -75,7 +76,6 @@ static bool __read_mostly tracing_selftest_running; 
 */

bool __read_mostly tracing_selftest_disabled;



#ifdef CONFIG_FTRACE_STARTUP_TEST

void __init disable_tracing_selftest(const char *reason)

{

	if (!tracing_selftest_disabled) {
@@ -83,6 +83,9 @@ void __init disable_tracing_selftest(const char *reason) 
		pr_info("Ftrace startup test is disabled due to %s\n", reason);

	}

}

#else

#define tracing_selftest_running	0

#define tracing_selftest_disabled	0

#endif



/* Pipe tracepoints to printk */