From: Jarek Poplawski <jarkao2@gmail.com>
Date: Mon, 18 Aug 2008 09:10:12 +0000

quoted text
> Yes, this was one of the reasons, but not the only one, and my oldbie
> version of this fix could be found here as "02-fix1.patch":
> 
> http://permalink.gmane.org/gmane.linux.network/103039

This is what I get for failing to be able to follow that
flurry of patches :)  I'll apply your version in the
end, thanks.

quoted text
> It's a bit different, because I think wd->qdisc can probably
> point to the noop_qdisc (if it's the root qdisc).

noop_qdisc does not use the watchdogs as far as I can see.

But, if we are in dev_deactivate() state, root qdisc can
be &noop_qdisc and scheduling that is fine and just a nop.

quoted text
> Anyway this kind of change is necessary here, and everywhere where
> netif_schedule() could be called (I've found sch_cbq.c only).

Indeed.

I can't find any other cases that would matter.
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