Re: [PATCH v2.1] KVM: s390: protvirt: Add initial vm and cpu lifecycle handling

[Christian Borntraeger <borntraeger@xxxxxxxxxx>]

On 18.02.20 10:56, David Hildenbrand wrote:
> On 18.02.20 09:39, Christian Borntraeger wrote:

>> @@ -571,6 +574,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
>>  	case KVM_CAP_S390_BPB:
>>  		r = test_facility(82);
>>  		break;
>> +	case KVM_CAP_S390_PROTECTED:
>> +		r = is_prot_virt_host();
>> +		break;
> 
> FWIW, the clean thing to do is to enable the capability only after all
> features have been implemented, so as the very last patch.
> 

Ack.