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

[Parav Pandit <parav@nvidia.com>]

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Friday, October 13, 2023 5:19 PM
> 
> 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 didnât 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.

True.
Let me fix comments of yours and Jason, which has some important points to cover in v2.