From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:41275)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1aLCjB-0002mN-KT
	for qemu-devel@nongnu.org; Mon, 18 Jan 2016 11:32:26 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1aLCj8-0004A4-Ct
	for qemu-devel@nongnu.org; Mon, 18 Jan 2016 11:32:25 -0500
Received: from mx1.redhat.com ([209.132.183.28]:49125)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1aLCj8-0004A0-83
	for qemu-devel@nongnu.org; Mon, 18 Jan 2016 11:32:22 -0500
Message-ID: <1453134741.32741.85.camel@redhat.com>
From: Alex Williamson <alex.williamson@redhat.com>
Date: Mon, 18 Jan 2016 09:32:21 -0700
In-Reply-To: <CAFEAcA-__iZNVY2PUhouuraAQfu4obu5oqMbGABcNXiz1zMtyg@mail.gmail.com>
References: <1452522868-25550-1-git-send-email-peter.maydell@linaro.org>
	<1452522868-25550-5-git-send-email-peter.maydell@linaro.org>
	<569CE8AC.8010105@linaro.org>
	<CAFEAcA8Ek1+BsX6QpP90U=7JkbmBD4ZdTmRQTNmxZhzhfcSwRg@mail.gmail.com>
	<569CEF51.3070203@linaro.org>
	<CAFEAcA9e7KJaXNTk-9Y6t9m5PGdA=_-=tctdH6c1HnScfi1crQ@mail.gmail.com>
	<569CFC8D.6050206@linaro.org> <1453132530.32741.80.camel@redhat.com>
	<CAFEAcA-__iZNVY2PUhouuraAQfu4obu5oqMbGABcNXiz1zMtyg@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"
Mime-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Subject: Re: [Qemu-devel] [PULL 5/5] hw/arm/virt: Support legacy -nic
 command line syntax
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: Peter Maydell <peter.maydell@linaro.org>
Cc: Christoffer Dall <christoffer.dall@linaro.org>, "eric.auger@st.com" <eric.auger@st.com>, QEMU Developers <qemu-devel@nongnu.org>, Ashok Kumar <ashoks@broadcom.com>, Eric Auger <eric.auger@linaro.org>

On Mon, 2016-01-18 at 16:00 +0000, Peter Maydell wrote:
> On 18 January 2016 at 15:55, Alex Williamson <alex.williamson@redhat.
> com> wrote:
> > On Mon, 2016-01-18 at 15:54 +0100, Eric Auger wrote:
> > > On 01/18/2016 03:14 PM, Peter Maydell wrote:
> > > > ...but presumably the x86 folks have been here before us
> > > > and know how this should work :-)
> >=20
> > No, we haven't.=C2=A0=C2=A0vfio-pci devices are opaque on x86, we don=
't
> > know or care that they're NICs or HBAs or GPUs or whatever.
> > =C2=A0If you don't want the default NIC, turn it off with -net none.
> > =C2=A0Don't want graphics, -nographics.=C2=A0=C2=A0Default QEMU devic=
es may be
> > useful for the commandline, but do they really matter in
> > practical use?
>=20
> "User is expected to use -net none" is a fine answer to "how
> this should work"...
>=20
> (I was thrown off track because http://wiki.qemu.org/Documentation/Ne
> tworking
> doesn't document '-net none', and also -net is the legacy
> syntax -- is there a -netdev equivalent?)

My guess would be that -netdev is often used in conjunction with
-nodefaults and therefore it becomes unnecessary to explicitly disable
it. =C2=A0Thanks,

Alex