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Re: [Qemu-devel] qemu <-> libvirt interaction broken
From: |
Anthony Liguori |
Subject: |
Re: [Qemu-devel] qemu <-> libvirt interaction broken |
Date: |
Tue, 23 Oct 2012 09:28:10 -0500 |
User-agent: |
Notmuch/0.13.2+93~ged93d79 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu) |
Eric Blake <address@hidden> writes:
> On 10/23/2012 06:47 AM, Anthony Liguori wrote:
>
>>>>
>>>> This change was postponed to after 1.2 was released to
>>>> give libvirt a chance to wean itself off parsing our --help
>>>> output.
>>>
>>> Yea, I know this has been the plan for a long time and I agree that it
>>> is a good move.
>>>
>>> Only problem is that the switch didn't happen yet. The bits might be
>>> landed in libvirt/master, but there is no release with this yet and thus
>>> libvirt versions using QOM for feature detection didn't find the way yet
>>> into distributions.
>>>
>>> IMO it is a bit early to stop caring about -help output compatibility in
>>> qemu.
>>
>> It was announced. There's been plenty of time to adapt.
>>
>> If you're using QEMU from git, it's reasonable to require libvirt from
>> git IMHO.
>
> Agreed.
>
> That said, distros can ease the pain by backporting the libvirt patches
> for starting qemu from QMP rather than -help into current libvirt
> releases, although that becomes a matter for distros rather than this list.
>
>>
>> By the time 1.3 goes out, there should be a libvirt release with the
>> necessary support so if your using distro packages, you'll never notice.
>
> Libvirt 1.0.0 will land in early November, and fully supports qemu.git,
> so you are correct that a released libvirt will be available prior to
> qemu 1.3:
> https://www.redhat.com/archives/libvir-list/2012-October/msg00403.html
> Additionally, there will probably be a release candidate in the next 48
> hours, where you can use that tarball (rawhide will most certainly pick
> it up), so the pain of using libvirt.git to develop qemu.git will not
> last much longer.
Excellent, thanks Eric!
Regards,
Anthony Liguori
>
> --
> Eric Blake address@hidden +1-919-301-3266
> Libvirt virtualization library http://libvirt.org