Messages in this thread | | | Subject | Re: [PATCH v9 22/22] s390: doc: detailed specifications for AP virtualization | From | Halil Pasic <> | Date | Wed, 22 Aug 2018 12:45:14 +0200 |
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On 08/22/2018 12:13 PM, Harald Freudenberger wrote: > ... about control domains > > Talked with the s390 firmware guys. The convention that the control domain > mask is a superset of the usage domain mask is only true for 1st level guests. > > It is absolutely valid to run a kvm guest with restricted control domain > mask bitmap in the CRYCB. It is valid to have an empty control domain mask > and the guest should be able to run crypto CPRBs on the usage domain(s) without > any problems. However, nobody has tried this.
I did try this ;).
> > regards > Harald Freudenberger > >
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