Re: [patch] s390 kconfig cleanup, 2nd version.

[Martin Schwidefsky <schwidefsky@de.ibm.com>]

On Fri, 2006-06-30 at 15:09 +0200, Andi Kleen wrote:
> > > I must say I still hate the negative !S390. It would be much better
> > > to define something positive. If PCI doesn't work maybe something 
> > > else.
> > 
> > Well, I don't like these negative !S390 depends as well. But I can't
> > help it, there is no other existing config symbol that can be used for a
> > positive dependency. Hardware that is built into the machine and is not
> > attached via some kind of bus does not have any dependency. 
> 
> 
> But one can be invented. 
> 
> DESKTOP_HARDWARE
> SMALL_IRON
> END_USER_PCI
> ...
> 
> Chose one.

None of them seems appropriate. The things the patch deactives for s390
are vastly different (ATA/IDE, Parallel port, Plug and Play, I2C, I2O
and so on). You will end up adding a lot of new config options. 

> What stops users from plugging a PCI sound card into your PCI slots 
> BTW?

Which PCI slot? s390 doesn't have PCI slots.

> Initially it can be set dependent on !S390 and then later migrated
> into all the architectures (you can probably recruit someone on l-k
> to do it if you don't want to do it yourself ...) 

I don't mind doing it but the question still is how.

-- 
blue skies,
  Martin.

Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH

"Reality continues to ruin my life." - Calvin.