Re: [Qemu-devel] [RfC PATCH 0/5] console: qom-ify & extent screendump monitor command

[Luiz Capitulino]

On Mon, 22 Apr 2013 11:37:15 +0200
Paolo Bonzini <address@hidden> wrote:

> Il 22/04/2013 08:55, Gerd Hoffmann ha scritto:
> >>> >> Question for the libvirt guys:  Is it ok for libvirt to just extend the
> >>> >> existing screendump command?  Can libvirt figure there is a new
> >>> >> (optional) parameter?  See patch #5.
> >> > 
> >> > Nope, QMP can't do that.  I argued for such capabilities, but the
> >> > "create a new command" philosophy prevailed.
> >> > 
> >> > Go forth and multiply commands!  And have fun picking command names that
> >> > aren't fugly.
> > Oh joy.  Lets just enumerate things & use "screendump2" ...
> 
> QMP can't do that _yet_.
> 
> Let's fix it instead...

The point is that we have chosen not to do so a while ago. In a nutshell,
Anthony thinks that we should have the same compatibility contract of
a C API.