Commit edc5b055 authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger

KVM: s390: support NQ only if the facility is enabled for the guest

While we can not fully fence of the Nonquiescing Key-Setting facility,
we should as try our best to hide it.
Reviewed-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 4a5e7e38
...@@ -670,8 +670,9 @@ static int handle_pfmf(struct kvm_vcpu *vcpu) ...@@ -670,8 +670,9 @@ static int handle_pfmf(struct kvm_vcpu *vcpu)
if (vcpu->run->s.regs.gprs[reg1] & PFMF_RESERVED) if (vcpu->run->s.regs.gprs[reg1] & PFMF_RESERVED)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
/* Only provide non-quiescing support if the host supports it */ /* Only provide non-quiescing support if enabled for the guest */
if (vcpu->run->s.regs.gprs[reg1] & PFMF_NQ && !test_facility(14)) if (vcpu->run->s.regs.gprs[reg1] & PFMF_NQ &&
!test_kvm_facility(vcpu->kvm, 14))
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
/* No support for conditional-SSKE */ /* No support for conditional-SSKE */
......
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