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Commit f180bfda authored by Michael Mueller's avatar Michael Mueller Committed by Christian Borntraeger
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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: default avatarMichael Mueller <mimu@linux.vnet.ibm.com>
Reviewed-by: default avatarHalil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Reviewed-by: default avatarCornelia Huck <cohuck@redhat.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 4b35f65e

arch/s390/kvm/interrupt.c

+7 −1
Original line number Diff line number Diff line
@@ -2842,7 +2842,13 @@ void kvm_s390_gisa_clear(struct kvm *kvm) 


void kvm_s390_gisa_init(struct kvm *kvm)

{

	/* not implemented yet */

	if (!css_general_characteristics.aiv)

		kvm->arch.gisa = NULL;

	else {

		kvm->arch.gisa = &kvm->arch.sie_page2->gisa;

		VM_EVENT(kvm, 3, "gisa 0x%pK initialized", kvm->arch.gisa);

		kvm_s390_gisa_clear(kvm);

	}

}



void kvm_s390_gisa_destroy(struct kvm *kvm)