Re: [PATCH 5/6] KVM: s390: wire up seb feature

Paolo Bonzini
2018-01-17T11:32:11Z

On 17/01/2018 12:29, Christian Borntraeger wrote:
>> The problem is not that I announce the facility, I in fact announce that the
>> programmatic interface is available (the sebc sync reg and the usage of that field).
>> (So the CAP is part of this patch to have both in lockstep)
>> A non-existing facility will then just disable that programmatic interface.
> To put it differently. CAP_S390_GS and CAP_S390_SEB could also just
> do a
>
> return 1;
>
> and the QEMU has to check both (which it probably does anyway)

I see. Thanks for the explanation!

Paolo