From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 27 Jan 2014 09:25:39 +0000 (+0100)
Subject: s390/uaccess: introduce 'uaccesspt' kernel parameter
X-Git-Tag: v3.15-rc1~167^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56f15e518cfdc732bd4e4da90e0c9cf2fc4e7c1b;p=pandora-kernel.git

s390/uaccess: introduce 'uaccesspt' kernel parameter

The uaccesspt kernel parameter allows to enforce using the uaccess page
table walk variant. This is mainly for debugging purposes, so this mode
can also be enabled on machines which support the mvcos instruction.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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