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Re: Outline for VHOST_USER_PROTOCOL_F_VDPA
From: |
Michael S. Tsirkin |
Subject: |
Re: Outline for VHOST_USER_PROTOCOL_F_VDPA |
Date: |
Wed, 30 Sep 2020 11:34:12 -0400 |
On Wed, Sep 30, 2020 at 03:57:52PM +0100, Stefan Hajnoczi wrote:
> > Architecturally, I think we can have 3 processes:
> >
> >
> > VMM -- guest device emulation -- host backend
> >
> >
> > to me this looks like increasing our defence in depth strength,
> > as opposed to just shifting things around ...
>
> Cool idea.
>
> Performance will be hard because there is separation between the guest
> device emulation and the host backend.
Absolutely. As a tradeoff we could put some data path things in the backend,
e.g. for virtio it is practical to have control path in emulation layer,
data path in the backend.
--
MST
- Outline for VHOST_USER_PROTOCOL_F_VDPA, Stefan Hajnoczi, 2020/09/28
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Marc-André Lureau, 2020/09/28
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Michael S. Tsirkin, 2020/09/29
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Stefan Hajnoczi, 2020/09/29
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Michael S. Tsirkin, 2020/09/29
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Stefan Hajnoczi, 2020/09/29
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Michael S. Tsirkin, 2020/09/30
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Stefan Hajnoczi, 2020/09/30
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA, Michael S. Tsirkin, 2020/09/30
- Re: Outline for VHOST_USER_PROTOCOL_F_VDPA,
Michael S. Tsirkin <=