Re: CVS commit: src/sys/sys

[Andrew Doran <ad%netbsd.org@localhost>]

On Sat, Dec 29, 2007 at 07:21:09AM -0800, Jason Thorpe wrote:

> Sorry, trying to catch up, here...

In fairness I did ask your opinion on this a couple of months ago (although
I understand you are catching up as you say).
 
> I object to this change for a couple of reasons:
> 
> 1- It makes us incompatible with the Solaris atomic API, which was a  
> major goal of mine.
> 
> 2- On most platforms I wrote code for, the sub-word ops were, in fact,  
> implemented in terms of a 32-bit CAS.
> 
> I'm pretty sure I documented the possible oddities of sub-word ops in  
> the man pages I wrote on the thorpej-atomic branch.

Ok, well I think they are misleading and not good for use outside MD code,
but for the sake of compatibility I have no objection to providing them.

Cheers,
Andrew