s390/sclp: detect guest-PER enhancement
authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Tue, 24 Nov 2015 11:51:52 +0000 (12:51 +0100)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Fri, 10 Jun 2016 10:07:18 +0000 (12:07 +0200)
commitb9e28897e6e9f82585ecf6ea45942866ece7d167
tree21c854ec094710d2d5cb0c9799464eb60540ebde
parent76a6dd7241ae03c47f44a9605dcd525f31b2124a
s390/sclp: detect guest-PER enhancement

Let's detect that facility, so we can correctly handle its abscence.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
arch/s390/include/asm/sclp.h
drivers/s390/char/sclp_early.c