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Re: [Qemu-devel] [PULL 5/5] hw/arm/virt: Support legacy -nic command lin

From: Peter Maydell
Subject: Re: [Qemu-devel] [PULL 5/5] hw/arm/virt: Support legacy -nic command line syntax
Date: Mon, 18 Jan 2016 16:00:15 +0000

On 18 January 2016 at 15:55, Alex Williamson <address@hidden> 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 :-)
> No, we haven't.  vfio-pci devices are opaque on x86, we don't
> know or care that they're NICs or HBAs or GPUs or whatever.
>  If you don't want the default NIC, turn it off with -net none.
>  Don't want graphics, -nographics.  Default QEMU devices may be
> useful for the commandline, but do they really matter in
> practical use?

"User is expected to use -net none" is a fine answer to "how
this should work"...

(I was thrown off track because http://wiki.qemu.org/Documentation/Networking
doesn't document '-net none', and also -net is the legacy
syntax -- is there a -netdev equivalent?)

-- PMM

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