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authorTony Lu2015-03-27 14:46:38 -0400
committerChris Metcalf2015-04-17 14:01:38 -0400
commit437d3e124d25daaa671bfecfd4015ecd2503a955 (patch)
treeddc6e9491b9a14a09c6476d0543e9f4896dfd77d /Documentation/hsi.txt
parenta84f24230c137a4e0ab14185e9175798ca1b0376 (diff)
tile: ftrace: fix function_graph tracer issues
- Add support for ARCH_SUPPORTS_FTRACE_OPS - Replace the instruction in ftrace_call with the bundle {move r10, lr; jal ftrace_stub}, so that the lr contains the right value after returning from ftrace_stub. An alternative fix might be to leave the instruction in ftrace_call alone when it is being updated with ftrace_stub. Signed-off-by: Tony Lu <zlu@ezchip.com> Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
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