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Subject: Re: [virtio-comment] [PATCH 5/5] virtio-pci: implement VIRTIO_F_QUEUE_STATE
On Mon, Sep 11, 2023 at 7:50âPM Parav Pandit <parav@nvidia.com> wrote: > > > From: Zhu, Lingshan <lingshan.zhu@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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