From 437d3e124d25daaa671bfecfd4015ecd2503a955 Mon Sep 17 00:00:00 2001
From: Tony Lu <zlu@ezchip.com>
Date: Fri, 27 Mar 2015 14:46:38 -0400
Subject: [PATCH] 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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