atomic: Implement atomic_{set,clear}_8 in _atomic_subword.h
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Authored by markj on Jul 31 2026, 7:42 PM.

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Reviewers

alc
kib
jrtc27
olce

Commits

rG318915568443: atomic: Implement atomic_{set,clear}_8 in _atomic_subword.h
rGfb63bc67483e: atomic: Implement atomic_{set,clear}_8 in _atomic_subword.h

Summary

Reimplement atomic_{set,clear}_16 using atomic_set_32.

Remove emulation of these operations from vm_page.c.

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Repository

rG FreeBSD src repository

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Build Status

Buildable 75324
Build 72207: arc lint + arc unit

Event Timeline

markj created this revision.Jul 31 2026, 7:42 PM

Herald added a subscriber: imp. · View Herald TranscriptJul 31 2026, 7:42 PM

markj requested review of this revision.Jul 31 2026, 7:42 PM

Harbormaster completed remote builds in B75324: Diff 183180.Jul 31 2026, 7:42 PM

markj added a subscriber: zishun.yi.dev_gmail.com.Jul 31 2026, 9:15 PM

I wonder if we should start provide the definitive list of MI aromics in atomic(9).

This revision is now accepted and ready to land.Jul 31 2026, 11:16 PM

alc accepted this revision.Aug 1 2026, 9:57 PM

Closed by commit rGfb63bc67483e: atomic: Implement atomic_{set,clear}_8 in _atomic_subword.h (authored by markj). · Explain WhyAug 3 2026, 3:23 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rGfb63bc67483e: atomic: Implement atomic_{set,clear}_8 in _atomic_subword.h.

markj added a commit: rG318915568443: atomic: Implement atomic_{set,clear}_8 in _atomic_subword.h.Aug 24 2026, 4:30 PM

markj added a reverting change: rG1bb1d38e4160: Revert "atomic: Implement atomic_{set,clear}_8 in _atomic_subword.h".Aug 24 2026, 5:08 PM

Revision Contents
Changeset List

Path

Size

sys/

_atomic_subword.h

54 lines

vm/

vm_page.c

76 lines

Diff 183180

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sys/sys/_atomic_subword.h