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KVM: s390: handle missing guest-storage-limit-suppression

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If guest-storage-limit-suppression is not available, we would for now
have a valid guest address space with size 0. So let's simply set the
origin to 0 and the limit to hamax.

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
David Hildenbrand
2015-04-16 12:32:41 +02:00
committed by Christian Borntraeger
parent 5236c751da
commit efed110446
2 changed files with 7 additions and 1 deletions
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4
arch/s390/kvm/kvm-s390.c
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@@ -1897,6 +1897,10 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
vcpu->arch.sie_block = &sie_page->sie_block;
vcpu->arch.sie_block->itdba = (unsigned long) &sie_page->itdb;
/* the real guest size will always be smaller than msl */
vcpu->arch.sie_block->mso = 0;
vcpu->arch.sie_block->msl = sclp.hamax;
vcpu->arch.sie_block->icpua = id;
spin_lock_init(&vcpu->arch.local_int.lock);
vcpu->arch.local_int.float_int = &kvm->arch.float_int;