start of some pci cleanups

Alan Coopersmith Alan.Coopersmith at Sun.COM
Tue Jul 26 14:04:09 PDT 2005

Jesse Barnes wrote:
> On Tuesday, July 26, 2005 12:27 pm, Michel Dänzer wrote:
>>I have quite a different stance on backwards compatibility. I think
>>it should be preserved whenever reasonably possible.
> I agree, but it's also important to fix broken interfaces.  The two are 
> sometimes at odds, since you don't want to keep the broken interfaces 
> around forever (to reduce maintenance and encourage forward porting), 
> but gracefully deprecating things is often a reasonable way forward.

Right.   For instance, putting the new PCI functions in 6.9/7.0 and
then pulling the old ones in 7.1 when there are plans to break the
ABI anyway - allows a transition and reduces the number of ABI versions
out there for people to worry about.

	-Alan Coopersmith-           alan.coopersmith at
	 Sun Microsystems, Inc. - X Window System Engineering

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