Re: CML2 design philosophy heads-up

[Eric S. Raymond]

Jamie Lokier <[e-mail]>:
> Which is unfortunately wrong if you want the parport subsystem on x86
> but won't be using the parport_pc driver with it.  I.e. you'll be using
> some other driver which isn't part of the kernel tree.  Perhaps a
> modified version of parport_pc, perhaps something else.

If you're integrating drivers that aren't in the kernel tree, you can and
should patch the CML2 rulebase to compensate.  So your patch for
the modified driver should comment out the PARPORT_PC==PARPORT 
requirement.  Problem solved.

More generally, arguments of the form "Non-mainline custom hack X
could invalidate constraint Y, therefore we can't have Y in the
rulebase" are dangerous -- I suspect you could reduce your set of
constraints to nil very quickly that way, and thus badly screw over
the 99% of people who just want to build a more or less stock kernel.
-- 
		<a href="http://www.tuxedo.org/~esr/">Eric S. Raymond</a>

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