Re: [virtio-comment] [PATCH v1 1/8] admin: Add theory of operation for device migration

["Michael S. Tsirkin" <mst@redhat.com>]

On Fri, Oct 13, 2023 at 11:28:50AM +0000, Parav Pandit wrote:
> > >>>> inflight descriptor tracking will be implemented by Eugenio in V2.
> > >>> When we have near complete proposal from two device vendors, you
> > >>> want to push something to unknown future without reviewing the work;
> > >>> does not
> > >> make sense.
> > >> Didn't I ever provide feedback to you? Really?
> > > No. I didn’t see why you need to post a new patch for dirty page tracking,
> > when it is already present in this series.
> This is plain ignorance and shows non_cooperative mode of working in technical committee.


I personally think it's fine to have multiple proposals on the table.
For example, current Zhu Lingshan's patch is clearly incomplete without
memory change tracking.
Why shouldn't he post a patchset demonstrating
how that is supposed to work in his view?
I am personally interested in seeing how is that
supposed to work   - his latest proposal relies on migrating by
trapping memory accesses but DMA can't be trapped like this generally.

In the end we want something addressing all use cases though
and integrating reasonably well with existing ecosystem.

-- 
MST


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