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Re: [Qemu-devel] [virtio-dev] Vhost-pci RFC2.0

From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [virtio-dev] Vhost-pci RFC2.0
Date: Wed, 19 Apr 2017 10:57:48 +0100
User-agent: Mutt/1.8.0 (2017-02-23)

On Wed, Apr 19, 2017 at 06:38:11AM +0000, Wang, Wei W wrote:
> We made some design changes to the original vhost-pci design, and want to open
> a discussion about the latest design (labelled 2.0) and its extension (2.1).
> 2.0 design: One VM shares the entire memory of another VM
> 2.1 design: One VM uses an intermediate memory shared with another VM for
>                      packet transmission.

Can you talk a bit about the motivation for the 2.x design and major
changes compared to 1.x?

What is the relationship between 2.0 and 2.1?  Do you plan to upstream

> For the convenience of discussion, I have some pictures presented at this 
> link:
> https://github.com/wei-w-wang/vhost-pci-discussion/blob/master/vhost-pci-rfc2.0.pdf
> Fig. 1 shows the common driver frame that we want use to build the 2.0 and 2.1

What does "frame" mean in this context?  "Framework" or "design".

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