[libvirt] [Qemu-devel] [PULL 25/26] block: Remove deprecated -drive option serial
Daniel P. Berrangé
berrange at redhat.com
Mon Jul 9 11:17:01 UTC 2018
On Mon, Jul 09, 2018 at 01:08:38PM +0200, Cornelia Huck wrote:
> On Mon, 09 Jul 2018 08:33:05 +0200
> Markus Armbruster <armbru at redhat.com> wrote:
>
> > Peter Maydell <peter.maydell at linaro.org> writes:
> >
> > > On 6 July 2018 at 15:56, Kevin Wolf <kwolf at redhat.com> wrote:
> > >> Am 06.07.2018 um 13:11 hat Cornelia Huck geschrieben:
> > >>> That way, we can still easily remove old cruft (case (a)), but still
> > >>> accommodate cases like this (case (c)). The obvious drawback is that
> > >>> we'd need someone to curate the deprecation watchlist, to poke the
> > >>> users we're waiting for, and probably remove anyway after some time if
> > >>> they don't get their act together.
> > >>
> > >> The problem is that things are only starting to move after two releases
> > >> have passed.
> > >
> > > Right, so clearly just "put a note in the documentation" isn't
> > > sufficient advertisement/prodding of things going away.
> >
> > Yes. Ideas on more forceful notification have been tossed around, we
> > just have to act on them.
> >
> > > (Also, two
> > > releases is pretty fast. Many of our users will be using distro
> > > packaged versions of QEMU which will lag further behind than
> > > bleeding-edge users. The system version of QEMU on my desktop
> > > machine is 2.5...)
> >
> > If you consume QEMU in a way that's impacted by the changes the
> > deprecation policy guards, you have two sane options:
> >
> > * Track upstream deprecation, either continuously, or at least right
> > after a QEMU release. Since 2.10, they're collected in qemu-doc
> > appendix "Deprecated features".
>
> Can we draw more attention to this in any way? Point it out prominently
> in the release notes? Send a list to known consumers (e.g. libvirt) on
> release time?
Yes, we should all newly deprecated stuff in the release notes.
For libvirt, I think whenever something is proposed for deprecation
we could just CC libvir-list, or ask one of the libvirt people to
confirm its not being used. If it is, then we should file BZ against
libvirt.
Regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
More information about the libvir-list
mailing list