From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Wed, 5 Jun 2013 07:25:34 +0000 (+0200)
Subject: s390/pgtable: make pgste lock an explicit barrier
X-Git-Tag: v3.10-rc6~14^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8f6e7f7953d1baa05a346bf7cee44f1d022c63d;p=pandora-kernel.git

s390/pgtable: make pgste lock an explicit barrier

Getting and Releasing the pgste lock has lock semantics. Make the
code an explicit barrier.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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