linux-kernel - Re: [PATCH 28/29] drm/i915/gvt: convert to use vfio_register_group

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Message-ID: <20211103064056.GA30216@lst.de>
Date:   Wed, 3 Nov 2021 07:40:56 +0100
From:   Christoph Hellwig <hch@....de>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Christoph Hellwig <hch@....de>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>,
        intel-gfx@...ts.freedesktop.org,
        intel-gvt-dev@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 28/29] drm/i915/gvt: convert to use
 vfio_register_group_dev()

On Tue, Nov 02, 2021 at 01:41:36PM -0300, Jason Gunthorpe wrote:
> On Tue, Nov 02, 2021 at 08:06:00AM +0100, Christoph Hellwig wrote:
> > This is straightforward conversion, the intel_vgpu already has a pointer
> > to the vfio_dev, which can be replaced with the embedded structure and
> > we can replace all the mdev_get_drvdata() with a simple container_of().
> 
> This should be using vfio_register_emulated_iommu_dev(), right?

Yes, once rebased to 5.16-rc where this function appears.