On Fri, Mar 28, 2008 at 04:29:53PM +0100, Jarek Poplawski wrote:
...

But during this, now limited, time of qdisc_run() there is a contention
for queue_lock and probably some additional cache updating because of
this other enqueuing, which could be delayed especially if queue length
is above some level.

...Hm... this would need some special treatment for RT traffic yet...

Jarek P.