From: Tom Herbert <therbert@google.com>
Date: Wed, 1 Sep 2010 08:41:14 -0700

quoted text
>> Why don't we do this in the normal transmit processing.
>> There is already so much policy mechanism filters/actions/qdisc that
>> doing it in higher level is fighting against these.
>>
> Are you proposing that TX queue selection be done in the qdiscs?  The
> queue has to be selected before taking the lock (cannot afford taking
> a lock over the whole interface).  This would necessitate moving the
> locking and probably rearranging a lot of the xmit code around that.

Right, we really have to pick queues before entering the qdisc for
the full benefit of lock seperation.
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