From 6c8cd5bbda7e6be166cf2e2dd4be5890193e17ac Mon Sep 17 00:00:00 2001
From: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Date: Mon, 7 Apr 2014 18:25:23 +0200
Subject: [PATCH] s390/spinlock: optimize spinlock code sequence

Use lowcore constant to improve the code generated for spinlocks.

[ Martin Schwidefsky: patch breakdown and code beautification ]

Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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