[GIT PULL 1/4] KVM: s390: Fix sdnxo setting for nested guests

Christian Borntraeger
2017-04-21T10:09:42Z

If the guest does not use the host register management, but it uses
the sdnx area, we must fill in a proper sdnxo value (address of sdnx
and the sdnxc).

Reported-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
---
arch/s390/kvm/vsie.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 2fafc2b..025b1f2 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -627,7 +627,7 @@ static int pin_blocks(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
rc = set_validity_icpt(scb_s, 0x10b0U);
if (rc)
goto unpin;
- scb_s->sdnxo = hpa;
+ scb_s->sdnxo = hpa | sdnxc;
}
return 0;
unpin:
--
2.7.4