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Date: Fri, 28 Aug 2020 10:10:02 +0200
From: Cornelia Huck <cohuck@redhat.com>
Subject: Re: [PATCH v10 01/16] s390/vfio-ap: add version vfio_ap module
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To: Tony Krowiak <akrowiak@linux.ibm.com>
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On Thu, 27 Aug 2020 10:39:07 -0400
Tony Krowiak <akrowiak@linux.ibm.com> wrote:

> Currently there are two tools that probably need to be aware of
> the changes to these assignment interfaces:
> * The hades test framework has tests that will fail if run against
>  =C2=A0=C2=A0 these patches that should be skipped if over-provisioning is
>  =C2=A0=C2=A0 allowed. There are also tests under development to test the
>  =C2=A0=C2=A0 function introduced by these patches that will fail if run =
against
>  =C2=A0=C2=A0 an older version of the driver. These tests should be skipp=
ed in
>  =C2=A0=C2=A0 that case.
> * There is a tool under development for configuring AP matrix
>  =C2=A0=C2=A0 mediated devices that probably need to be aware of the chan=
ge
>  =C2=A0=C2=A0 introduced by this series.
>=20
> Since a tool would have to first determine whether a new sysfs
> interface documenting facilities is available and it would only
> expose one facility at this point, it seems reasonable for these tools
> to check for the sysfs guest_matrix attribute to discern whether
> over-provisioning is available or not. I'll go ahead and remove this
> patch from the series.

Thanks for the explanation, that seems reasonable to me.