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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2015-11-24 13:33:49 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-10 12:07:18 +0200
commit76a6dd7241ae03c47f44a9605dcd525f31b2124a (patch)
treeba19690ca9aedb46e308d156b80fdd36a89f5046 /drivers/s390/char
parent4013ade3fb2fefa021827d675d8bc1d51f4aef93 (diff)
downloadlinux-76a6dd7241ae03c47f44a9605dcd525f31b2124a.tar.bz2
KVM: s390: handle missing 64-bit-SCAO facility
Without that facility, we may only use scaol. So fallback to DMA allocation in that case, so we won't overwrite random memory via the SIE. Also disallow ESCA, so we don't have to handle that allocation case. Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'drivers/s390/char')
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