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s390/uaccess: introduce 'uaccesspt' kernel parameter
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 27 Jan 2014 09:25:39 +0000 (10:25 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 21 Feb 2014 07:50:17 +0000 (08:50 +0100)
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>
arch/s390/lib/uaccess_mvcos.c patch | blob | history

diff --cc arch/s390/lib/uaccess_mvcos.c
Simple merge
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