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-rw-r--r--kernel/trace/fgraph.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index 289311680c29..2cd374294be7 100644
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -30,6 +30,7 @@ int ftrace_graph_active;
/* Both enabled by default (can be cleared by function_graph tracer flags */
static bool fgraph_sleep_time = true;
+#ifdef CONFIG_DYNAMIC_FTRACE
/*
* archs can override this function if they must do something
* to enable hook for graph tracer.
@@ -47,6 +48,7 @@ int __weak ftrace_disable_ftrace_graph_caller(void)
{
return 0;
}
+#endif
/**
* ftrace_graph_stop - set to permanently disable function graph tracing