Re: [Xen-devel] Xen 4.9 Development Update

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Fri, 9 Dec 2016, Oleksandr Andrushchenko wrote:
> On 12/09/2016 03:57 PM, Pasi Kärkkäinen wrote:
> > On Fri, Dec 09, 2016 at 02:57:04PM +0200, Oleksandr Andrushchenko wrote:
> > > > > Should we have a section on new PV drivers? If so, I suggest to add:
> > > > > - Xen transport for 9pfs
> > > > > - PV Calls
> > > > Good idea. We could also include DRM and PV Sound (CC Oleksandr).
> > > > 
> > > This is a great idea. Let me explain what we have and what the direction
> > > is:
> > > 1. Frontends which we already have, working, but need to refactor/cleanup:
> > > 1.1. PV sound
> > > 1.2. PV DRM
> > > 1.3. DISPL protocol, I will push v1 for review right after sndif done
> > > 1.3. PV DRM mapper (Dom0 generic DRM driver to implement DRM zero copy
> > > via DRM Prime buffer sharing)
> > > 1.4. PV events not done, but we are considering [1]. If it fits and
> > > is maintained,
> > > then we'll probably stick to it, otherwise new PV will be created
> > > 
> > > 2. Backends, for the above frontends already implemented:
> > > 2.1. A unified library for Xen backends (libxenbe)
> > > 2.2. DRM + Wayland
> > > 2.3. ALSA
> > > 2.4. Events not implemented yet
> > > 
> > > All the above sources are available on *public* Github repos
> > > (I can provide links on request) and the intention is to
> > > upstream.
> > > 
> > Please do post the links..
> Please note these are all WIP:
> 1. Frontends
> https://github.com/andr2000?tab=repositories
> 2. Backends
> https://github.com/al1img?tab=repositories

Now, I don't want to sound pessimistic, but I thought I was being
audacious when I wrote both PV Calls and 9pfs for 4.9 - do you really
think it is feasable to complete upstreaming of PV sound, PV DRM, DISPL,
PV DRM frontends and backends, all by April? I would probably reduce the
list a bit.

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