From b4816afa3986704d1404fc48e931da5135820472 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Wed, 28 Mar 2012 18:30:03 +0100
Subject: [PATCH] Move the asm-generic/system.h xchg() implementation to
 asm-generic/cmpxchg.h

Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
to simplify disintegration of asm/system.h.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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