[PATCH 5.16 083/121] tracing: Fix selftest config check for function graph start up test

Greg Kroah-Hartman
2022-03-14T12:33:35Z

From: Christophe Leroy <christophe.leroy@csgroup.eu>

[ Upstream commit c5229a0bd47814770c895e94fbc97ad21819abfe ]

CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS is required to test
direct tramp.

Link: https://lkml.kernel.org/r/bdc7e594e13b0891c1d61bc8d56c94b1890eaed7.1640017960.git.christophe.leroy@csgroup.eu

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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);

--
2.34.1