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| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-11-19 07:40:39 -0500 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-11-27 20:31:54 -0500 |
| commit | d125f3f866df88da5a85df00291f88f0baa89f7c (patch) | |
| tree | 77af76a4456a5831f27b2c96ecd78b818bdc6bf2 /kernel/trace/trace_functions_graph.c | |
| parent | 9c4bf5e0db164f330a2d3e128e9832661f69f0e9 (diff) | |
| download | lwn-d125f3f866df88da5a85df00291f88f0baa89f7c.tar.gz lwn-d125f3f866df88da5a85df00291f88f0baa89f7c.zip | |
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: 03274a3ffb449 ("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>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
| -rw-r--r-- | kernel/trace/trace_functions_graph.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index 28f2602435d0..88ca787a1cdc 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -118,7 +118,7 @@ print_graph_duration(struct trace_array *tr, unsigned long long duration, struct trace_seq *s, u32 flags); /* Add a function return address to the trace stack on thread info.*/ -int +static int ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth, unsigned long frame_pointer, unsigned long *retp) { |