On Mon, Sep 11, 2023 at 7:50 PM Parav Pandit <pa...@nvidia.com> wrote:
>
> > From: Zhu, Lingshan <lingshan....@intel.com>
> > Sent: Monday, September 11, 2023 3:03 PM
>
> > By the way, do you see anything we need to improve in this series?
>
> Admin commands for passthrough devices of [1] is comprehensive proposal 
> covering all the aspects.

What do you mean by "all the aspects"?

Of course it can't handle nesting well, passthrough doesn't work when
your hardware has N levels abstractions but nesting is M levels. Trap
and emulation is a must.

And exposing the whole device to the guest drivers will have security
implications, your proposal has demonstrated that you need a
workaround for FLR at least.

For non standard device we don't have choices other than passthrough,
but for standard devices we have other choices.

Thanks

>
> To me [1] is superset work that covers all needed functionality and downtime 
> aspects.
>
> I plan to improve [1] with v1 this week by extending device context and 
> addressing other review comments.
>
> [1] https://lists.oasis-open.org/archives/virtio-comment/202309/msg00061.html


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