On Mon, Jul 14, 2008 at 05:00:11AM -0700, David Miller wrote:
> From: Jarek Poplawski <jarkao2@xxxxxxxxx>
> Date: Mon, 14 Jul 2008 11:49:13 +0000
>
> > On 03-07-2008 09:03, David Miller wrote:
> > > We schedule queues, not the device, for output queue
> > > processing in BH.
> > >
> > ...
> > > diff --git a/net/core/dev.c b/net/core/dev.c
> > > index 8e38948..c5e3532 100644
> > > --- a/net/core/dev.c
> > > +++ b/net/core/dev.c
> > > @@ -1323,13 +1323,14 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
> > > void __netif_schedule(struct net_device *dev)
> > > {
> > > if (!test_and_set_bit(__LINK_STATE_SCHED, &dev->state)) {
> >
> > Isn't this bit supposed to be set/tested per queue as well, or do I
> > miss something?
>
> That shoule not happen until my later patches which switch that all
> over.
>
> See patch 5/13 which I posted on Thursday, Jul 10. That's when the
> transition from "global queue state + per-queue state" into "only
> per-queue state" happens.
>
> Until that point, we have to keep the existing quasi-multi-queue
> semantics in order to not break drivers etc.
I've just wondered how this 1-13/13 step can work without this...
Jarek P.
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