linux-kernel - Re: [PATCH 8/9] vfio/pci: use x86 naming instead of igd

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Date:   Tue, 2 Feb 2021 13:10:21 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Cornelia Huck <cohuck@...hat.com>
CC:     Alex Williamson <alex.williamson@...hat.com>,
        Matthew Rosato <mjrosato@...ux.ibm.com>,
        Max Gurtovoy <mgurtovoy@...dia.com>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <liranl@...dia.com>,
        <oren@...dia.com>, <tzahio@...dia.com>, <leonro@...dia.com>,
        <yarong@...dia.com>, <aviadye@...dia.com>, <shahafs@...dia.com>,
        <artemp@...dia.com>, <kwankhede@...dia.com>, <ACurrid@...dia.com>,
        <gmataev@...dia.com>, <cjia@...dia.com>, <yishaih@...dia.com>,
        <aik@...abs.ru>
Subject: Re: [PATCH 8/9] vfio/pci: use x86 naming instead of igd

On Tue, Feb 02, 2021 at 05:06:59PM +0100, Cornelia Huck wrote:

> On the other side, we have the zdev support, which both requires s390
> and applies to any pci device on s390.

Is there a reason why CONFIG_VFIO_PCI_ZDEV exists? Why not just always
return the s390 specific data in VFIO_DEVICE_GET_INFO if running on
s390?

It would be like returning data from ACPI on other platforms.

It really seems like part of vfio-pci-core

Jason