* Scott Long <sco...@samsco.org> [081226 18:34] wrote:
> 
> On Dec 26, 2008, at 5:38 PM, Alfred Perlstein <alf...@freebsd.org>  
> wrote:
> >
> >Easy enough to stash a "once" varible in the generic device struct
> >and warn when returning from an isr when INVARIANTS or something is
> >turned on.
> >
> >Then you'd only get one warning per device once it happens.
> >
> >
> 
> I prefer to do nothing.  It's not unsafe or erroneous to access cfg  
> registers.  But if some kind of message does get added, I insist that  
> it drop all pretenses and say, "you're too poor to run freebsd, come  
> back when you can afford better hardware.". :)

Well that could be the result of a driver that has a "bug" that
makes it access cfg space when it does not need to, as what seems
to have just been fixed.

-- 
- Alfred Perlstein
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