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KVM: s390: activate GISA for emulated interrupts
If the AIV facility is available, a GISA will be used to manage emulated adapter interrupts. Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com> Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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1 changed files with 7 additions and 1 deletions
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@ -2842,7 +2842,13 @@ void kvm_s390_gisa_clear(struct kvm *kvm)
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void kvm_s390_gisa_init(struct kvm *kvm)
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void kvm_s390_gisa_init(struct kvm *kvm)
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{
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{
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/* not implemented yet */
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if (!css_general_characteristics.aiv)
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kvm->arch.gisa = NULL;
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else {
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kvm->arch.gisa = &kvm->arch.sie_page2->gisa;
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VM_EVENT(kvm, 3, "gisa 0x%pK initialized", kvm->arch.gisa);
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kvm_s390_gisa_clear(kvm);
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}
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}
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}
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void kvm_s390_gisa_destroy(struct kvm *kvm)
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void kvm_s390_gisa_destroy(struct kvm *kvm)
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