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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: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Google) 2023-05-28 01:17:40 -04:00
parent 9da705d432
commit a3ae76d7ff
1 changed files with 4 additions and 1 deletions
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5
kernel/trace/trace.c
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@ -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 */