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KVM: s390: vsie: support guest-PER-enhancement

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We can easily forward the guest-PER-enhancement facility to guest 2 if
available.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
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
2015-11-24 16:32:35 +01:00
committed by Christian Borntraeger
parent 0615a326e0
commit 77d18f6d47
3 changed files with 5 additions and 0 deletions
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arch/s390/kvm/vsie.c
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@@ -107,6 +107,8 @@ static int prepare_cpuflags(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
return set_validity_icpt(scb_s, 0x0001U);
newflags |= CPUSTAT_GED2;
}
if (test_kvm_cpu_feat(vcpu->kvm, KVM_S390_VM_CPU_FEAT_GPERE))
newflags |= cpuflags & CPUSTAT_P;
atomic_set(&scb_s->cpuflags, newflags);
return 0;