RE: [virtio-dev] Re: [PATCH 0/5] virtio: introduce SUSPEND bit and vq state

Parav Pandit
2023-09-21T03:51:34Z

> From: Jason Wang <jasowang@redhat.com>
> Sent: Thursday, September 21, 2023 8:45 AM
> The main issue I see so far is that
> you want to couple migration with admin commands but I don't see much
> advantages to doing this.
>
The way I read above comment is, to draw a parallel line: descriptor posting in virtio spec is tied to virtqueues. What is the advantage of it?
Well, it is one way to achieve it.
There may be different way to do all bulk data transfer without admin commands.
What it the advantage of it, please list down them in [1] for the command where you can find alternative.

[1] https://lore.kernel.org/virtio-comment/20230909142911.524407-7-parav@nvidia.com/T/#md9fcfa1ba997463de8c7fb8c6d1786b224b0bead