From 4d2947f7c69f812f09ff0e5cdc98dfa5317a4d81 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 14 Oct 2009 14:21:40 +0900
Subject: [PATCH] sh: Optimize the setup_rt_frame() I-cache flush.

This only needs to flush the return code via the legacy path, and just
invalidates uselessly otherwise. This makes the behaviour consistent for
all of the trampoline setup paths.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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