From 710be9ac4ea0d2e02a2c4aa625795e65bf3db5b1 Mon Sep 17 00:00:00 2001
From: Matthew Leach <matthew.leach@arm.com>
Date: Fri, 11 Oct 2013 14:52:18 +0100
Subject: [PATCH] arm64: big-endian: write CPU holding pen address as LE

Currently when CPUs are brought online via a spin-table, the address
they should jump to is written to the cpu-release-addr in the kernel's
native endianness. As the kernel may switch endianness, secondaries
might read the value byte-reversed from what was intended, and they
would jump to the wrong address.

As the only current arm64 spin-table implementations are
little-endian, stricten up the arm64 spin-table definition such that
the value written to cpu-release-addr is _always_ little-endian
regardless of the endianness of any CPU. If a spinning CPU is
operating big-endian, it must byte-reverse the value before jumping to
handle this.

Signed-off-by: Matthew Leach <matthew.leach@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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