Re: What is the correct way to handle the VirtIO config space in vhost-user?

[Stefan Hajnoczi]

On Mon, Feb 28, 2022 at 04:44:47PM +0000, Peter Maydell wrote:
> On Mon, 28 Feb 2022 at 16:32, Alex Bennée <alex.bennee@linaro.org> wrote:
> > Stefan Hajnoczi <stefanha@redhat.com> writes:
> > > On Fri, Feb 25, 2022 at 05:32:43PM +0000, Alex Bennée wrote:
> > >> (aside: this continues my QOM confusion about when things should be in a
> > >> class or instance init, up until this point I hadn't needed it in my
> > >> stub).
> > >
> > > Class init is a one-time per-class initializer function. It is mostly
> > > used for setting up callbacks/overridden methods from the base class.
> > >
> > > Instance init is like an object constructor in object-oriented
> > > programming.
> >
> > I phrased my statement poorly. What I meant to say is I sometimes find
> > QEMUs approach to using class over instance initialisation inconsistent.
> > I think I understand the "policy" as use class init until there is a
> > case where you can't (e.g. having individual control of each instance of
> > a device).
> 
> Do you have examples of inconsistency? (I'm sure there are some,
> we're inconsistent about almost everything...)

Phew, at least we're inconsistent about being inconsistent. If we were
inconsistent about absolutely everything that just wouldn't do!

Stefan

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