Remove header lock BufferGetLSNAtomic() on architectures with 64 bit atomic operations

Title

CI (CFBot)

Needs rebase! Needs rebase since 3 weeks. Failing since 3 weeks.
Additional links previous successfully applied patch (outdated):

Summary

Stats (from CFBot)

Unknown

Tags

Performance

Created

2025-12-22 19:45:39

Last modified

2026-04-01 00:21:18 (3 days ago)

Latest email

2026-03-11 13:37:19 (3 weeks ago)

Status

PG19-Final (2026-03-01 – 2026-04-09): Committed

PG19-4 (2026-01-01 – 2026-01-31): Moved to different CF

Target version

Authors

Andreas Karlsson (kandreas)

Reviewers

Committer

Tomas Vondra (fuzzycz)

Links

Emails

Remove header lock BufferGetLSNAtomic() on architectures with 64 bit atomic operations: First at 2025-11-23 23:10:03 by Andreas Karlsson <andreas at proxel.se>
Latest at 2026-03-11 13:37:19 by Andres Freund <andres at anarazel.de>
Latest attachment (v5-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-03-11 00:00:34 from Tomas Vondra <tomas at vondra.me>

Attachment (v5-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-03-11 00:00:34 from Tomas Vondra <tomas at vondra.me> (Patch: Yes)
    Attachment (v4-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-03-10 18:41:54 from Tomas Vondra <tomas at vondra.me> (Patch: Yes)
    Attachment (v3-0002-Make-pageinspect-s-heap_page_items-use-get_page_f.patch) at 2026-02-05 15:38:27 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v2-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-01-14 06:31:40 from Andreas Karlsson <andreas at proxel.se> (Patch: Yes)
    Attachment (v1-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2025-11-23 23:10:03 from Andreas Karlsson <andreas at proxel.se> (Patch: Yes)

History

When	Who	What
2026-04-01 00:21:18	Andreas Karlsson (kandreas)	Closed in commitfest PG20-1 with status: Committed
2026-04-01 00:21:18	Andreas Karlsson (kandreas)	Changed committer to fuzzycz
2026-03-11 00:37:24	CFbot	Patch needs rebase
2026-02-05 16:29:24	Peter Geoghegan (pgeoghegan)	Moved from CF PG19-4 to CF PG19-Final
2025-12-22 19:45:39	Andreas Karlsson (kandreas)	Attached mail thread b6610c3b-3f59-465a-bdbb-8e9259f0abc4@proxel.se
2025-12-22 19:45:39	Andreas Karlsson (kandreas)	Created patch record