From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:39221)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <peter.maydell@linaro.org>) id 1YkD5y-00032u-UP
	for qemu-devel@nongnu.org; Mon, 20 Apr 2015 10:54:47 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <peter.maydell@linaro.org>) id 1YkD5u-0006Yh-Og
	for qemu-devel@nongnu.org; Mon, 20 Apr 2015 10:54:46 -0400
Received: from mail-ie0-f181.google.com ([209.85.223.181]:35952)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <peter.maydell@linaro.org>) id 1YkD5u-0006YL-LY
	for qemu-devel@nongnu.org; Mon, 20 Apr 2015 10:54:42 -0400
Received: by iebrs15 with SMTP id rs15so118080915ieb.3
	for <qemu-devel@nongnu.org>; Mon, 20 Apr 2015 07:54:42 -0700 (PDT)
MIME-Version: 1.0
In-Reply-To: <CAJ+F1CJaCCi9zq9ygyPjvpMFAbs=FmwFA=72fAMdpZkzq80-mw@mail.gmail.com>
References: <1427994155-25043-1-git-send-email-marcandre.lureau@gmail.com>
	<1427994155-25043-4-git-send-email-marcandre.lureau@gmail.com>
	<20150414142507.GI4131@wheatley>
	<CAJ+F1CKrdygm-Dkhpsq06yHjM4ampZb1sBeJV-b2HJOgJCmRrA@mail.gmail.com>
	<552D3B24.4020803@redhat.com>
	<CAJ+F1CJaCCi9zq9ygyPjvpMFAbs=FmwFA=72fAMdpZkzq80-mw@mail.gmail.com>
From: Peter Maydell <peter.maydell@linaro.org>
Date: Mon, 20 Apr 2015 15:54:20 +0100
Message-ID: <CAFEAcA_NVCO904WSYwyKzSh6SG9+MvYEZ7jJJkdGN7AMddAgJQ@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Subject: Re: [Qemu-devel] [libvirt] [PATCH 3/5] qemu: add
	QEMU_CAPS_MACHINE_VMPORT_OPT
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: =?UTF-8?B?TWFyYy1BbmRyw6kgTHVyZWF1?= <marcandre.lureau@gmail.com>
Cc: Martin Kletzander <mkletzan@redhat.com>, Libvirt <libvir-list@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

On 20 April 2015 at 13:39, Marc-Andr=C3=A9 Lureau <marcandre.lureau@gmail.c=
om> wrote:
> Hi
>
> On Tue, Apr 14, 2015 at 6:07 PM, Eric Blake <eblake@redhat.com> wrote:
>>
>> > +    { "machine", "vmport", QEMU_CAPS_MACHINE_VMPORT_OPT },
>>
>> Ouch.  qemu commit 0a7cf21 fixes what would have been a regression in
>> 2.3 at exposing "mem-merge" through query-command-line-options, but it
>> does NOT expose "vmport", which is a per-architecture option rather than
>> a generic -machine option.  Which means that even though qemu 2.2
>> (perhaps wrongly) advertised "vmport" for all machines (even when it was
>> not supported), 2.3 will not advertise it, and we are hoping for a
>> better solution in 2.4 for properly advertising vmport on an
>> as-appropriate basis.
>
>
> Thanks Eric for finding out this regression.
>
> Is anybody working on a better solution? I can imagine either a new qmp
> machine-list-properties, or perhaps more reasonably a new properties arra=
y
> in query-machines reply.

Unless this is an absolutely critical "we cannot ship 2.3 without
a fix" bug (in which case somebody should yell now and you really
need a patch on the list within a day or so), you've probably missed
the 2.3 boat at this point.

-- PMM