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KVM: s390: handle missing guest-storage-limit-suppression
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>
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2 changed files with 7 additions and 1 deletions
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@ -186,7 +186,9 @@ struct kvm_s390_sie_block {
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__u32 scaol; /* 0x0064 */
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__u8 reserved68[4]; /* 0x0068 */
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__u32 todpr; /* 0x006c */
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__u8 reserved70[32]; /* 0x0070 */
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__u8 reserved70[16]; /* 0x0070 */
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__u64 mso; /* 0x0080 */
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__u64 msl; /* 0x0088 */
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psw_t gpsw; /* 0x0090 */
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__u64 gg14; /* 0x00a0 */
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__u64 gg15; /* 0x00a8 */
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@ -1897,6 +1897,10 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
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vcpu->arch.sie_block = &sie_page->sie_block;
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vcpu->arch.sie_block->itdba = (unsigned long) &sie_page->itdb;
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/* the real guest size will always be smaller than msl */
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vcpu->arch.sie_block->mso = 0;
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vcpu->arch.sie_block->msl = sclp.hamax;
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vcpu->arch.sie_block->icpua = id;
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spin_lock_init(&vcpu->arch.local_int.lock);
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vcpu->arch.local_int.float_int = &kvm->arch.float_int;
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