Re: [PATCH 00/18] qapi/qom: QAPIfy object-add

[Paolo Bonzini]

On 02/12/20 11:38, Kevin Wolf wrote:
> Am 02.12.2020 um 10:30 hat Paolo Bonzini geschrieben:
> > On 01/12/20 23:08, Eduardo Habkost wrote:
> > > > Properties are only a useful concept if they have a use.  If
> > > > -object/object_add/object-add can do the same job without properties,
> > > > properties are not needed anymore.
> > >
> > > Do you mean "not needed for -object anymore"?  Properties are
> > > still used by internal C code (esp. board code),
> > > -device/device_add, -machine, -cpu, and debugging commands (like
> > > "info qtree" and qom-list/qom-get/qom-set).
> >
> > Yes.
>
> Are internal uses mostly just right after object creation, or do we make
> a lot of use of them during runtime?

Not "a lot" but enough to be nasty.  There are a couple uses of 
"well-known" QOM properties (e.g. to access the RTC time or the balloon 
stats), plus "info qtree".

Paolo