Special schedulers, one CPU only kernel, one only userland

[Julian Elischer]

gnn at freebsd.org wrote:
> At Thu, 18 Aug 2005 12:06:25 -0700,
> brooks wrote:
> 
>>Certainly we need assurance that nothing is going to try and touch
>>the driver before the driver's detach function calls if_free.  After
>>if_free returns, no aspect of the driver should touch the ifnet.  Other
>>parts of the networking system might still have refrence to it should we
>>end up with a refcouting scheme where the final free of ifnets comes
>>some time later.  All refrences to the softc need to be pruged prior to
>>exit from the detach routine.
>>
> 
> 
> Documentatoin comment.  When are we going to write a driver writer's
> handbook?

I've been reading the linux device drivers bookl from oreily.
You caould almost use the first several chapters with
sed s/linux/FreeBSD/
and a few other minor changes..
(not a serious comment of course but..)

> 
> Later,
> George
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