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Re: [Xen-devel] [PATCH v7 15/33] net: xen-netback - set name assign type

To: Tom Gundersen <teg@xxxxxxx>
From: Ian Campbell <ian.campbell@xxxxxxxxxx>
Date: Thu, 10 Jul 2014 10:01:26 +0100
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, Kay Sievers <kay@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, David Herrmann <dh.herrmann@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, David Miller <davem@xxxxxxxxxxxxx>
Delivery-date: Thu, 10 Jul 2014 09:01:51 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Thu, 2014-07-10 at 10:17 +0200, Tom Gundersen wrote:
> The name contains then xen handle, which is not guaranteed to be
> stable between restarts, so label this NET_NAME_ENUM.

FWIW the N'th interface for domain with domid D will always be named
vifD.N.

If you reboot domain D then it's domid will change to E and the new
device will be vifE.N.

I don't know if that counts as predictable as far as the interface you
are introducing is concerned.

Ian.

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