Re: AIX support

Bruce Momjian <bruce@momjian.us>

From: Bruce Momjian <bruce@momjian.us>
To: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: Srirama Kucherlapati <sriram.rk@in.ibm.com>, Peter Eisentraut <peter@eisentraut.org>, Alvaro Herrera <alvherre@alvh.no-ip.org>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Noah Misch <noah@leadboat.com>, Michael Paquier <michael@paquier.xyz>, Andres Freund <andres@anarazel.de>, Tom Lane <tgl@sss.pgh.pa.us>, Thomas Munro <thomas.munro@gmail.com>, "tvk1271@gmail.com" <tvk1271@gmail.com>, postgres-ibm-aix <postgres-ibm-aix-dg@ibm.com>, Sriram RK <sriram.rk@outlook.com>
Date: 2024-05-26T04:00:33Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Restore AIX support.

  2. pg_createsubscriber: Improve error messages.

  3. Use <stdint.h> and <inttypes.h> for c.h integers.

  4. Stabilize jsonb_path_query test case.

  5. Fix C23 compiler warning

  6. pg_stat_statements: Add tests for nested queries with level tracking

  7. Add missing newline at the end of index_including.sql

  8. Remove AIX support

  9. Fix s_lock.h PPC assembly code to be compatible with native AIX assembler.

  10. Use a non-locking initial test in TAS_SPIN on PPC.

  11. Use LWSYNC in place of SYNC/ISYNC in PPC spinlocks, where possible.

  12. Use mutex hint bit in PPC LWARX instructions, where possible.

  13. Adjust TAS assembly as per recent discussions: use "+m"(*lock) everywhere

  14. Apple's assembler likes the inlined TAS syntax too, so no reason to

  15. Tighten up register usage for inline PPC version of tas().

  16. Put the isync where it's supposed to be.

  17. > > I'll re-check that with the ppc architecture guy here.

  18. Fix PPC s_lock operations to work correctly on multi-CPU machines.

  19. I tried to build PostgreSQL with the following step to see backends hung

  20. Complete merge of all old man page information.

  21. s_lock aix patch.

On Thu, May 23, 2024 at 07:03:20PM +0300, Heikki Linnakangas wrote:
> > Can you provide some more details on the expectations here?
> 
> Smallest possible patch that makes Postgres work on AIX again.
> 
> Perhaps start with the patch you posted yesterday, but remove hunks from it
> one by one, to see which ones are still needed.

Yes, bingo, that is exactly what needs to be done, and for the minimal
compiler, gcc, and the most recently supported versions of AIX.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Only you can decide what is important to you.