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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next-2.6] ip_gre: lockless xmit
Date: Wed, 29 Sep 2010 01:21:20 -0700 (PDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 29 Sep 2010 10:18:08 +0200

> What is deprecated is to assert NETIF_F_LLTX and yet, use a lock in the
> ndo_xmit() driver method.

Also we've discussed recently to do away with the NETIF_F_LLTX
flag entirely for queue-less devices such as loopback and
sw tunnels.

Then all will be left are the truly "deprecated" cases Eric
mentions.