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function_graph: Make ftrace_push_return_trace() static
As all architectures now call function_graph_enter() to do the entry work,
no architecture should ever call ftrace_push_return_trace(). Make it static.
This is needed to prepare for a fix of a design bug on how the curr_ret_stack
is used.
Cc: stable@kernel.org
Fixes: 03274a3ffb
("tracing/fgraph: Adjust fgraph depth before calling trace return callback")
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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parent
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2 changed files with 1 additions and 4 deletions
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@ -776,9 +776,6 @@ struct ftrace_ret_stack {
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*/
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extern void return_to_handler(void);
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extern int
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ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth,
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unsigned long frame_pointer, unsigned long *retp);
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extern int
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function_graph_enter(unsigned long ret, unsigned long func,
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unsigned long frame_pointer, unsigned long *retp);
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@ -118,7 +118,7 @@ print_graph_duration(struct trace_array *tr, unsigned long long duration,
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struct trace_seq *s, u32 flags);
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/* Add a function return address to the trace stack on thread info.*/
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int
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static int
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ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth,
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unsigned long frame_pointer, unsigned long *retp)
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{
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