tag afe67f5b26e9e50fe3d775608e4a4287476a03b9
tagger Christian Borntraeger <borntraeger@de.ibm.com> Mon Apr 12 16:36:49 2021 +0200
object c3171e94cc1cdcc3229565244112e869f052b8d9

KVM: s390: Updates for 5.13

- properly handle MVPG in nesting KVM (vsie)
- allow to forward the yield_to hypercall (diagnose 9c)
- fixes

commit c3171e94cc1cdcc3229565244112e869f052b8d9
author Claudio Imbrenda <imbrenda@linux.ibm.com> Mon Mar 22 15:05:59 2021 +0100
committer Christian Borntraeger <borntraeger@de.ibm.com> Wed Mar 24 10:31:55 2021 +0100
tree 81689137ce813893ffb6fe4968fa8f5850cba4e6
parent c5d1f6b531e68888cbe6718b3f77a60115d58b9c

KVM: s390: VSIE: fix MVPG handling for prefixing and MSO

Prefixing needs to be applied to the guest real address to translate it
into a guest absolute address.

The value of MSO needs to be added to a guest-absolute address in order to
obtain the host-virtual.

Fixes: bdf7509bbefa ("s390/kvm: VSIE: correctly handle MVPG when in VSIE")
Reported-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210322140559.500716-3-imbrenda@linux.ibm.com
[borntraeger@de.ibm.com simplify mso]
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>