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Date:   Tue, 15 Jun 2021 16:11:29 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Christoph Hellwig <hch@lst.de>
Cc:     Jason Gunthorpe <jgg@nvidia.com>,
        Alex Williamson <alex.williamson@redhat.com>,
        Kirti Wankhede <kwankhede@nvidia.com>,
        David Airlie <airlied@linux.ie>,
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Subject: Re: [PATCH 07/10] vfio/mdev: Allow the mdev_parent_ops to specify
 the device driver to bind
Message-ID: <YMi1EcrhatlaH4AX@kroah.com>
References: <20210615133519.754763-1-hch@lst.de>
 <20210615133519.754763-8-hch@lst.de>
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On Tue, Jun 15, 2021 at 03:35:16PM +0200, Christoph Hellwig wrote:
> From: Jason Gunthorpe <jgg@nvidia.com>
> 
> This allows a mdev driver to opt out of using vfio_mdev.c, instead the
> driver will provide a 'struct mdev_driver' and register directly with the
> driver core.
> 
> Much of mdev_parent_ops becomes unused in this mode:
> - create()/remove() are done via the mdev_driver probe()/remove()
> - mdev_attr_groups becomes mdev_driver driver.dev_groups
> - Wrapper function callbacks are replaced with the same ones from
>   struct vfio_device_ops
> 
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Messy, but ok...

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>