linux-kernel - Re: [PATCH v7 15/33] net: xen-netback

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Message-ID: <1404982886.30660.4.camel@hastur.hellion.org.uk>
Date:	Thu, 10 Jul 2014 10:01:26 +0100
From:	Ian Campbell <ian.campbell@...rix.com>
To:	Tom Gundersen <teg@...m.no>
CC:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	David Herrmann <dh.herrmann@...il.com>,
	Kay Sievers <kay@...y.org>, Wei Liu <wei.liu2@...rix.com>,
	<xen-devel@...ts.xenproject.org>
Subject: Re: [PATCH v7 15/33] net: xen-netback - set name assign type

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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