On Tue, Jan 3, 2012 at 4:17 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> For Itanium, I was able to find some fairly official-looking >> documentation that said "this is how you should do it". It would be >> nice to find something similar for PPC64, instead of testing every >> machine and reinventing the wheel ourselves. > > You are aware that our spinlock code is pretty much verbatim from the > PPC ISA spec, no? The issue here is that the "official documentation" > has been a moving target over the decades the ISA has been in existence.
I wasn't aware of that, but I think my basic point still stands: it's gonna be painful if we have to test large numbers of different PPC boxes to figure all this out... -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
