From 31cd08c3a1db4b3164567a2a424b5e5dba6ce7a3 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Tue, 19 May 2015 13:39:05 +0100
Subject: [PATCH] ARM: remove __bad_xchg definition

We want link errors if xchg() is called for a variable size we do not
support.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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