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Re: [QEMU PATCH v4 10/13] virtio-gpu: Resource UUID
- To: Albert Esteve <aesteve@xxxxxxxxxx>
- From: Akihiko Odaki <akihiko.odaki@xxxxxxxxxx>
- Date: Wed, 13 Sep 2023 19:34:34 +0900
- Cc: Huang Rui <ray.huang@xxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxx>, "Michael S . Tsirkin" <mst@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Antonio Caggiano <antonio.caggiano@xxxxxxxxxxxxx>, "Dr . David Alan Gilbert" <dgilbert@xxxxxxxxxx>, Robert Beckett <bob.beckett@xxxxxxxxxxxxx>, Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>, Alex Bennée <alex.bennee@xxxxxxxxxx>, "qemu-devel@xxxxxxxxxx" <qemu-devel@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Gurchetan Singh <gurchetansingh@xxxxxxxxxxxx>, "ernunes@xxxxxxxxxx" <ernunes@xxxxxxxxxx>, Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>, Alyssa Ross <hi@xxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "Deucher, Alexander" <Alexander.Deucher@xxxxxxx>, "Koenig, Christian" <Christian.Koenig@xxxxxxx>, "Ragiadakou, Xenia" <Xenia.Ragiadakou@xxxxxxx>, "Pelloux-Prayer, Pierre-Eric" <Pierre-eric.Pelloux-prayer@xxxxxxx>, "Huang, Honglei1" <Honglei1.Huang@xxxxxxx>, "Zhang, Julia" <Julia.Zhang@xxxxxxx>, "Chen, Jiqian" <Jiqian.Chen@xxxxxxx>
- Delivery-date: Wed, 13 Sep 2023 10:34:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2023/09/13 16:55, Albert Esteve wrote:
Hi Antonio,
If I'm not mistaken, this patch is related with:
https://lists.gnu.org/archive/html/qemu-devel/2023-09/msg01853.html
<https://lists.gnu.org/archive/html/qemu-devel/2023-09/msg01853.html>
IMHO, ideally, virtio-gpu and vhost-user-gpu both, would use the
infrastructure from the patch I linked to store the
virtio objects, so that they can be later shared with other devices.
I don't think such sharing is possible because the resources are
identified by IDs that are local to the device. That also complicates
migration.
Regards,
Akihiko Odaki
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