Fix ARM64/MSVC atomic memory ordering issues on Win11 by adding explicit DMB ​barriers

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ID 6243
Title Fix ARM64/MSVC atomic memory ordering issues on Win11 by adding explicit DMB ​barriers
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 2, First patch: +34−9, All patches: +231−27
Topic Bug Fixes
Tags Bugfix
Created 2025-11-20 20:47:16
Last modified 2025-11-20 20:47:16 (2 hours ago)
Latest email 2025-11-20 22:36:13 (54 minutes ago)
Status
PG19-4 (2026-01-01 – 2026-01-31): Needs review
Target version 19
Authors Dave Cramer (dcramer), Greg Burd (gregburd)
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[PATCH] Fix ARM64/MSVC atomic memory ordering issues on Win11 by adding explicit DMB ​barriers
First at 2025-11-20 20:45:22 by Greg Burd <greg at burd.me>
Latest at 2025-11-20 22:36:13 by Nathan Bossart <nathandbossart at gmail.com>
Latest attachment (v1-0001-Address-build-issues-for-ARM64-using-MSVC.patch) at 2025-11-20 20:45:22 from Greg Burd <greg at burd.me>
    Attachment (v1-0001-Address-build-issues-for-ARM64-using-MSVC.patch) at 2025-11-20 20:45:22 from Greg Burd <greg at burd.me> (Patch: Yes)
History
When Who What
2025-11-20 20:47:16 Greg Burd (gregburd) Attached mail thread A6152C7C-F5E3-4958-8F8E-7692D259FF2F@greg.burd.me
2025-11-20 20:47:16 Greg Burd (gregburd) Created patch record
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