linux-kernel - Re: [PATCH v3 0/4] Support virtio cross-device resources

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Message-ID: <20200320064830.svdgh4xuxbxz6bc4@sirius.home.kraxel.org>
Date:   Fri, 20 Mar 2020 07:48:30 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     David Stevens <stevensd@...omium.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org,
        virtio-dev@...ts.oasis-open.org
Subject: Re: [PATCH v3 0/4] Support virtio cross-device resources

On Wed, Mar 11, 2020 at 08:20:00PM +0900, David Stevens wrote:
> This patchset implements the current proposal for virtio cross-device
> resource sharing [1], with minor changes based on recent comments. It
> is expected that this will be used to import virtio resources into the
> virtio-video driver currently under discussion [2].
> 
> This patchset adds a new hook to dma-buf, for querying the dma-buf's
> underlying virtio UUID. This hook is then plumbed through DRM PRIME
> buffers, and finally implemented in virtgpu.

Looks all fine to me.  We should wait for the virtio protocol update
(patch 3/4) being accepted into the virtio specification.  When this is
done I'll go commit this to drm-misc-next.

cheers,
  Gerd