From ffebf5f391dfa9da3e086abad3eef7d3e5300249 Mon Sep 17 00:00:00 2001
From: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
Date: Wed, 22 Jul 2015 15:50:50 +1000
Subject: [PATCH] powerpc/kexec: Reset secondary cpu endianness before kexec

If the target kernel does not inlcude the FIXUP_ENDIAN check, coming
from a different-endian kernel will cause the target kernel to panic.
All ppc64 kernels can handle starting in big-endian mode, so return to
big-endian before branching into the target kernel.

This mainly affects pseries as secondaries on powernv are returned to
OPAL.

Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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