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| author | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-05-28 07:17:40 +0200 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-05-29 03:15:26 +0200 |
| commit | a3ae76d7ff781208100e6acc58eb09afb7b4b177 (patch) | |
| tree | 77932c0f56d0bcc987e8141e603ad95b88a270d5 /kernel/trace | |
| parent | tracing: Have tracer selftests call cond_resched() before running (diff) | |
| download | linux-a3ae76d7ff781208100e6acc58eb09afb7b4b177.tar.xz linux-a3ae76d7ff781208100e6acc58eb09afb7b4b177.zip | |
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>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 70f2b511b9cd..004f5f99e943 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -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 */ |