Re: [PATCH] multiprocess: move feature to meson_options.txt

[Stefan Hajnoczi]

On Thu, Feb 25, 2021 at 01:15:53PM +0100, Paolo Bonzini wrote:
> On 25/02/21 11:38, Philippe Mathieu-Daudé wrote:
> > On 2/24/21 1:23 PM, Paolo Bonzini wrote:
> > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> > > ---
> > >   configure         | 12 ++++--------
> > >   meson.build       |  9 +++++++--
> > >   meson_options.txt |  2 ++
> > >   3 files changed, 13 insertions(+), 10 deletions(-)
> > ...
> > 
> > > @@ -2535,6 +2540,7 @@ endif
> > >   summary_info += {'target list':       ' '.join(target_dirs)}
> > >   if have_system
> > >     summary_info += {'default devices':   get_option('default_devices')}
> > > +  summary_info += {'Multiprocess QEMU': multiprocess_allowed}
> > 
> > Since you are changing this, it is a good opportunity to find a
> > better description to this feature (similarly how we recently clarified
> > the TCI description).
> > 
> > The current description is confusing with multiprocessing (which is
> > by default on QEMU and every developer want to exploit that).
> > 
> > So the main multiprocess code resides in hw/remote/mpqemu*.
> > 
> > I have the impression "monolithic application" is common in
> > software engineering. What about "polylithic QEMU"?
> > 
> > Stefan once described it as "out of (main) process device emulation".
> 
> Out of process emulation?

When Multiprocess QEMU switches to the vfio-user protocol the feature
could be renamed to "vfio-user device backends".

Stefan

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