From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 1 Jan 2014 15:08:06 +0000 (+0100)
Subject: s390/ptrace: add struct psw and accessor function
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~8^2~67^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1365632bdeb42e5e252566bb08c0d7d68640edd3;p=pandora-kernel.git

s390/ptrace: add struct psw and accessor function

Introduce a 'struct psw' which makes it easier to decode and test if
certain bits in a psw are set or are not set.
In addition also add a 'psw_bits()' helper define which allows to
directly modify and test a psw_t structure. E.g.

psw_t psw;
psw_bits(psw).t = 1; /* set dat bit */

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---

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