xen-users

[Top] [All Lists]

Re: [Xen-users] xen support only up to 3 virtual interfaces?

from [Goetz Bock]

[Permanent Link][Original]

To:	xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] xen support only up to 3 virtual interfaces?
From:	Goetz Bock <bock@xxxxxxxxxxx>
Date:	Thu, 16 Mar 2006 09:17:25 +0100
Delivery-date:	Thu, 16 Mar 2006 08:19:05 +0000
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<87acbq7r7j.fsf@xxxxxxxxxxxxxxxx>
List-help:	<mailto:xen-users-request@lists.xensource.com?subject=help>
List-id:	Xen user discussion <xen-users.lists.xensource.com>
List-post:	<mailto:xen-users@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
Mail-followup-to:	Goetz Bock <bock@xxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
References:	<20060305173257.74874.qmail@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <20060306100513.GK3363@xxxxxxxxxxxxxxxxx> <87acbq7r7j.fsf@xxxxxxxxxxxxxxxx>
Sender:	xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	Mutt/1.4.2i

On Thu, Mar 16 '06 at 09:02, Henrik Holmboe wrote:
> >On Sun, Mar 05 '06 at 17:32, Konstantinos Pachopoulos wrote:
> >> does xen support only up to 3 virtual interfaces per
> >> unprivileged domain?
> >For xen3 the answer is yes.
> >IIRC xen2 supported more than three interfaces.
> 
> Just out of curiousity, is there an outspoken reason for limiting to 3
> interfaces?

Yes, the correct explination is in the archive somewhere. 

But IIRC three was the max. nr. of interfaces to have the the required 
ringbuffers fit in one $simple_manageable_chunk_of_memmory (a page??).

The person who explained this also wrote a patch to expand the number
of interfaces. But it was never added to the source try as you would
loos performence.
-- 
Goetz Bock       (c) 2006 as     blacknet.de - Munich - Germany   /"\
IT Consultant  Creative Commons  secure mobile Linux everNETting  \ /
                                                                   X
 ASCII Ribbon Campaign against HTML email & microsoft attachments / \

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-users] xen support only up to 3 virtual interfaces?, Konstantinos Pachopoulos Re: [Xen-users] xen support only up to 3 virtual interfaces?, Goetz Bock Re: [Xen-users] xen support only up to 3 virtual interfaces?, Henrik Holmboe Re: [Xen-users] xen support only up to 3 virtual interfaces?, Goetz Bock <=

Previous by Date:	Re: [Xen-users] xen support only up to 3 virtual interfaces?, Henrik Holmboe
Next by Date:	Re: [Xen-users] /lib/tls.disable vs. software requiring tls, Christophe Yayon
Previous by Thread:	Re: [Xen-users] xen support only up to 3 virtual interfaces?, Henrik Holmboe
Next by Thread:	Re: [Xen-users] Installing xen on VIA C3, Vincent Hanquez
Indexes:	[Date] [Thread] [Top] [All Lists]