[virtio-dev] Re: [virtio-comment] [PATCH 5/5] virtio-pci: implement VIRTIO_F_QUEUE_STATE

On Wed, Sep 13, 2023 at 12:20 PM Parav Pandit <[email protected]> wrote:
>
> All of this frankly seems intrusive enough as Michael pointed out.
> Good luck.
>

How do you define "intrusive"?

To me it's much less intrusive than what you've proposed.

1) It gives sufficient flexibility to implement migration via any
transport specific interface. It means your proposal could be built on
top of this but not vice versa.
2) It doesn't need to re-invent the wheels to save and load all the
existing PCI capabilities but your proposal needs to do that in order
to be self contained which turns out to be a new transport which
duplicates with the work of Ling Shan
3) It reuse the device status state machine instead of inventing a other

Only small extensions are required for device implementation to
migrate instead of coupling it with admin commands.

Thanks


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