[parisc-linux] Does it lakes some cloberred r1 in

[John David Anglin]

> On Mon, Apr 24, 2006 at 11:35:48AM -0400, John David Anglin wrote:
> > The intent of the errata seems to be to relax the alignment requirement
> > for ldc[dw],co in cases where the spinlock is not being shared with a
> > non-coherent I/O device.
> 
> AFAIK, only one non-coherent PA-RISC box has PA2.0 and parisc-linux
> doesn't support it: T600.

It probably has coherent I & D caches as well as this seems to be a
requirement for both 1.1 and 2.0.

> (I'm assuming ",co" completer is PA2.0 only - please correct me if
> that's wrong.)

It's not in the PA 1.1 arch...

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