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Re: [Qemu-devel] [PATCH v3 00/16] net: hub-based networking

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v3 00/16] net: hub-based networking
Date: Fri, 25 May 2012 15:37:15 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1

Il 25/05/2012 15:30, Luiz Capitulino ha scritto:
> On Fri, 25 May 2012 15:19:28 +0200
> Paolo Bonzini <address@hidden> wrote:
>> Il 25/05/2012 15:18, Luiz Capitulino ha scritto:
>>>>> Still not sure what you mean...
>>> I meant it's a similar case. kqemu was a special case and maintenance 
>>> burden.
>>> We've dropped it and didn't regret. What's stopping us from doing the same
>>> thing with vlans?
>> That we have an alternative, and that -net dump is actually useful.
> I haven't reviewed the series yet, but -net dump can work without this,
> can't it?

-net dump requires putting a back-end, a front-end and the dump client
in the same VLAN.  So it is quite useless without this.

> It's always possible to have alternatives in qemu, the point is how far
> we're going on bloating it.
>>>>>  we removed kqemu and didn't give an
>>>>> alternative.  This time we are providing an alternative.
>>> Alternatives already exist, we don't have to provide them.
>> Alternatives that require you to have root privileges (anything
>> involving libvirt or iptables) are not really alternatives.
> It seems to me that vde doesn't require root, but even if it does, moving
> this outside of qemu would also be feasible.

Yeah, VDE probably includes something like an hub.  But then we could
drop even "-net socket", "-net udp", "-net dump", and only leave in
vde+tap+slirp.  Or even move slirp into VDE. :)  That's a very different

Do distributions package VDE at all?


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