Messages in this thread |  | | Date | Sun, 20 May 2001 16:13:21 -0400 | From | "Eric S. Raymond" <> | Subject | Re: Background to the argument about CML2 design philosophy |
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Jonathan Morton <chromi@cyberspace.org>: > One caveat though - not all Macs have SCSI controllers, and not all that do > even have one of the two standard ones.
I know. But these derivations are only for the old 68K macs, which don't have PCI. Closed issue.
> >3. The MVME derivations are correct *if* (and only if) you agree to ignore > >the possibility that somebody could want to ignore the onboard hardware, > >plug outboard disk or Ethernet cards into the VME-bus connector, and > >do something like running SCSI-over-ATAPI to the outboard device. > > ...and then someone else mentioned the possibility of f*x0r3d hardware. In > this case, I would say this *isn't* a kernel-configuration issue but one of > being able to disable the drivers for the malfunctioning hardware.
But the other side is going to ask: suppose you're memory-limited (quite likely on older SBCs) and don't want to pay the core cost of drivers you won't use? I don't really think we can duck this question by talking about boot-time parameters.
> I think the MVME derivations are *perfectly* sensible - if the reference > board and most (read: virtually all) derivatives have those features, turn > them on by all means.
That's my gut feeling, too. But a lot of people insist that the only right way is totally fine-grained control, even in weird edge cases like this one.
> To satisfy some others, you might want to say "Hey, > these guys might want to *explicitly turn off* some of this stuff" - so > provide an option under "Are you insane?" which presents all the "derived" > symbols and allows the hackers to manually turn stuff off.
Interesting thought... -- <a href="http://www.tuxedo.org/~esr/">Eric S. Raymond</a>
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