[PATCH v2 02/13] tracing: Fix selftest config check for function graph start up test

From: Christophe Leroy
Date: Mon Dec 20 2021 - 11:38:11 EST


CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS is required to test
direct tramp.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
kernel/trace/trace_selftest.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index afd937a46496..abcadbe933bb 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -784,9 +784,7 @@ static struct fgraph_ops fgraph_ops __initdata = {
.retfunc = &trace_graph_return,
};

-#if defined(CONFIG_DYNAMIC_FTRACE) && \
- defined(CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS)
-#define TEST_DIRECT_TRAMP
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
noinline __noclone static void trace_direct_tramp(void) { }
#endif

@@ -849,7 +847,7 @@ trace_selftest_startup_function_graph(struct tracer *trace,
goto out;
}

-#ifdef TEST_DIRECT_TRAMP
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
tracing_reset_online_cpus(&tr->array_buffer);
set_graph_array(tr);

--
2.33.1