From: Dave Martin <dave.martin@linaro.org>
Date: Mon, 25 Nov 2013 13:54:47 +0000 (+0100)
Subject: ARM: 7897/1: kexec: Use the right ISA for relocate_new_kernel
X-Git-Tag: v3.13-rc3~31^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2ccba49085ab5d71b092de2a5176eb9b19cc876;p=pandora-kernel.git

ARM: 7897/1: kexec: Use the right ISA for relocate_new_kernel

Copying a function with memcpy() and then trying to execute the
result isn't trivially portable to Thumb.

This patch modifies the kexec soft restart code to copy its
assembler trampoline relocate_new_kernel() using fncpy() instead,
so that relocate_new_kernel can be in the same ISA as the rest of
the kernel without problems.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Reported-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Tested-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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