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function_graph: Make fgraph_do_direct static key static

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The static branch key "fgraph_do_direct" was not declared static but is
only used in one file. Change it to a static variable.

Link: https://lore.kernel.org/linux-trace-kernel/20240605202708.936515302@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes: cc60ee813b ("function_graph: Use static_call and branch to optimize entry function")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406051711.dS1sQZ9n-lkp@intel.com/
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Google)
2024-06-05 16:26:49 -04:00
parent 86b49970e0
commit 0c4d8cbb2c
1 changed files with 1 additions and 1 deletions
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kernel/trace/fgraph.c
+1 -1
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@@ -515,7 +515,7 @@ static struct fgraph_ops fgraph_stub = {
static struct fgraph_ops *fgraph_direct_gops = &fgraph_stub;
DEFINE_STATIC_CALL(fgraph_func, ftrace_graph_entry_stub);
DEFINE_STATIC_CALL(fgraph_retfunc, ftrace_graph_ret_stub);
DEFINE_STATIC_KEY_TRUE(fgraph_do_direct);
static DEFINE_STATIC_KEY_TRUE(fgraph_do_direct);
/**
* ftrace_graph_stop - set to permanently disable function graph tracing