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Date:	Wed, 10 Oct 2007 13:51:50 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Pavel Emelyanov <xemul@...nvz.org>,
	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>, devel@...nvz.org
Subject: Re: [PATCH][NETNS] Make ifindex generation per-namespace

Johannes Berg <johannes@...solutions.net> writes:

> On Tue, 2007-10-09 at 11:41 -0600, Eric W. Biederman wrote:
>
>> So please hold off on this until the kernel has been audited and
>> we have removed all of the uses of ifindex that assume ifindex is
>> global, that we can find.
>
> I certainly have this assumption in the wireless code (cfg80211). How
> would I go about removing it? Are netlink sockets per-namespace so I can
> use the namespace of the netlink socket to look up a netdev?

Yes.  Netlink sockets are per-namespace and you can use the namespace
of a netlink socket to look up a netdev.

Eric
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