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 :-) > > > > 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/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. Thanks, Alex