Re: Single system binary & Dynamic machine model (KVM developers conference call 2022-12-13)

[Cédric Le Goater]

On 12/13/22 15:17, Stefan Hajnoczi wrote:
> On Tue, 13 Dec 2022 at 09:08, Philippe Mathieu-Daudé <philmd@linaro.org> wrote:
> > On 12/12/22 00:41, Philippe Mathieu-Daudé wrote:
> > > Hi,
> > >
> > > In the last years we had few discussions on "simplifying" QEMU (system
> > > emulation / virtualization), in particular for the "management layer".
> > >
> > > Some of us are interested in having QEMU able to dynamically create
> > > machine models. Mark Burton's current approach is via a Python script
> > > which generates QMP commands. This is just another case of "management
> > > layer".
> > >
> > > Various problems have been raised regarding the current limitations of
> > > QEMU's APIs. We'd like to remember / get a broader idea on these limits
> > > and look at some ideas / proposals which have been discussed / posted
> > > on this list.
> > >
> > > Feel free to complete your thoughts on this public etherpad:
> > > https://etherpad.opendev.org/p/qemu-emulation-bof%402022-12-13
> > >
> > > Topic I remember which can be good starters:
> > >
> > > - Current limitations of QAPI (& QMP) model (Markus Armbruster)
> > >
> > > - Adding a new qemu-runtime-$TARGET / QMP-only binary without today's
> > >     limitations (Daniel P. Berrangé & Paolo Bonzini)
> > >
> > > - Problem with x-exit-preconfig, reworking MachinePhaseInit state
> > >     machine (Paolo Bonzini)
> > >
> > > Markus / Daniel / Paolo expressed their ideas on the list (the
> > > historical threads are referenced in the etherpad) so reading the
> > > relevant threads before the call will help to get in the topic.
> > > These people don't have to be in the call, but if they can attend
> > > that would be very nice :)
> > >
> > > The call will be Tuesday, December 13 at 3pm CET on this Bluejeans link:
> > > http://bluejeans.com/quintela
> > We moved the call here:
> >
> > https://teams.microsoft.com/_#/pre-join-calling/19:meeting_MjU2NDhkOGYtOGY5ZC00MzRjLWJjNjgtYWI2ODQxZGExMWNj@thread.v2
>
> Please use a video conferencing system that allows people to join
> without logging in and works across browsers. I gave up on Teams.

I also gave up after 27 or so clicks, redirections, emails checks, etc.
Too complex. There are much simpler alternatives.

Sorry.

C.