[parisc-linux] [RFC] rewrite kernel spinlock code to work better with gcc

[John David Anglin]

> (Just in case it would help) I backport your patch in 2.4 (just because the
> only system on which I can test it is a b2k on which 2.6 doesn't boot yet)
> and build a smp 64bit kernel which boot and run fine (rebuild another kernel)
> on this b2k:)

I'd forgotten about the "ldcw,co" errata for PA 2.0.  You only want/need
self-aligning locks for PA 1.x.  You should be able to test this on a
PA 2.0 machine if you don't define CONFIG_PA20.

Dave
-- 
J. David Anglin                                  dave.anglin@nrc-cnrc.gc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6602)