[virtio-dev] RE: [virtio-comment] [PATCH 5/5] virtio-pci: implement VIRTIO_F_QUEUE_STATE

Parav Pandit
2023-09-12T10:33:24Z

> From: virtio-comment@lists.oasis-open.org <virtio-comment@lists.oasis-
> open.org> On Behalf Of Zhu, Lingshan
> Sent: Tuesday, September 12, 2023 3:57 PM

> > It is the base line implementation of leading OS such as Linux kernel.
> >
> > Decade mature stack like vfio recommends support for p2p as base line
> without which multiple devices migration can fail as hypervisor has no
> knowledge if two devices are interacting or not.
> >
> > [1]
> > https://lists.oasis-open.org/archives/virtio-comment/202309/msg00071.h
> > tml
> still, why do you think P2P is a concern of live migration? Or why do you think
> Live Migration should implement special support for P2P?

It is because p2p needs to work with live migration.
You probably missed the response.
I answered before at [1].

[1] https://lore.kernel.org/virtio-comment/PH0PR12MB5481961B5EA6DEE900CCF068DCF1A@PH0PR12MB5481.namprd12.prod.outlook.com/