sys: Add CPU_TEST_{SET,CLR}_ATOMIC
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Authored by andrew on Aug 6 2025, 4:20 PM.

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arm64
bhyve

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rG9274eb16e5da: cpuset: Add CPU_TEST_{SET,CLR}_ATOMIC

Summary

These are similar to CPU_{SET,CLR}_ATOMIC with the addition of
returning true if the CPU bit was set before the change.

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Repository

rG FreeBSD src repository

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

andrew created this revision.Aug 6 2025, 4:20 PM

Herald added subscribers: ziaee, imp. · View Herald TranscriptAug 6 2025, 4:20 PM

andrew requested review of this revision.Aug 6 2025, 4:20 PM

Harbormaster completed remote builds in B66023: Diff 159879.Aug 6 2025, 4:20 PM

andrew added a parent revision: D51764: arm64/vmm: Support PMU v3p9.Aug 6 2025, 4:20 PM

andrew added a child revision: D51766: bhyve/arm64: Fix a race in PSCI CPU_ON.

andrew added inline comments.Aug 6 2025, 4:22 PM

share/man/man9/cpuset.9
25	Will update this

cpuset: as the commit tag seems more useful to me.

This revision is now accepted and ready to land.Aug 6 2025, 5:43 PM

Closed by commit rG9274eb16e5da: cpuset: Add CPU_TEST_{SET,CLR}_ATOMIC (authored by andrew). · Explain WhyAug 7 2025, 9:52 AM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG9274eb16e5da: cpuset: Add CPU_TEST_{SET,CLR}_ATOMIC.

Revision Contents
Changeset List

Path

Size

share/

man/

man9/

cpuset.9

14 lines

sys/

cpuset.h

2 lines

Diff 159952

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share/man/man9/cpuset.9