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Re: [QEMU PATCH 1/1] virtgpu: do not destroy resources when guest suspend
- To: Robert Beckett <bob.beckett@xxxxxxxxxxxxx>
- From: Gerd Hoffmann <kraxel@xxxxxxxxxx>
- Date: Wed, 21 Jun 2023 13:52:14 +0200
- Cc: "Chen, Jiqian" <Jiqian.Chen@xxxxxxx>, Marc-André Lureau <marcandre.lureau@xxxxxxxxx>, Damien Hedde <damien.hedde@xxxxxxxxxxxxx>, "Michael S . Tsirkin" <mst@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, "Dr . David Alan Gilbert" <dgilbert@xxxxxxxxxx>, "qemu-devel@xxxxxxxxxx" <qemu-devel@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "Deucher, Alexander" <Alexander.Deucher@xxxxxxx>, "Koenig, Christian" <Christian.Koenig@xxxxxxx>, "Hildebrand, Stewart" <Stewart.Hildebrand@xxxxxxx>, Xenia Ragiadakou <burzalodowa@xxxxxxxxx>, "Huang, Honglei1" <Honglei1.Huang@xxxxxxx>, "Zhang, Julia" <Julia.Zhang@xxxxxxx>, "Huang, Ray" <Ray.Huang@xxxxxxx>
- Delivery-date: Wed, 21 Jun 2023 11:52:37 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hi,
> As virtio drivers are by design paravirt drivers ,I think it is reasonable
> to accept some knowledge with and cooperation with the host to manage
> suspend/resume.
Fair point.
In any case this needs a feature flag, so guest and host can negotiate
whenever this is supported or not.
virtio spec needs an update for that, describing the exact behavior.
take care,
Gerd
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