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

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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: bdf7509bbe ("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>

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Claudio Imbrenda 2021-03-22 15:05:59 +01:00 • committed by Christian Borntraeger

parent c5d1f6b531

commit c3171e94cc

1 changed files with 4 additions and 1 deletions

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arch/s390/kvm/vsie.c

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