arm64: Clean up HW DBM errata detection
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Authored by andrew on Aug 27 2025, 5:02 PM.

Details

Reviewers

manu
kib
alc
markj

Group Reviewers

arm64

Commits

rG1ae3694edb8b: arm64: Clean up HW DBM errata detection

Summary

Use the passed in midr rather than reading from pcpu
Use the new midr_check_var_part_range function to check if the midr is within the range of affected CPUs

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 66571
Build 63454: arc lint + arc unit

Event Timeline

andrew created this revision.Aug 27 2025, 5:02 PM

Herald added a reviewer: manu. · View Herald TranscriptAug 27 2025, 5:02 PM

Herald added subscribers: emaste, imp. · View Herald Transcript

andrew requested review of this revision.Aug 27 2025, 5:02 PM

Harbormaster completed remote builds in B66571: Diff 161052.Aug 27 2025, 5:02 PM

andrew added a parent revision: D52187: arm64: Add a function to check a range of CPU revs.Aug 27 2025, 5:02 PM

andrew added a child revision: D52189: arm64: Update the Neoverse-N1 1542419 errata check.

andrew added reviewers: kib, alc, markj.Aug 28 2025, 9:38 AM

alc accepted this revision.Aug 28 2025, 4:55 PM

This revision is now accepted and ready to land.Aug 28 2025, 4:55 PM

Closed by commit rG1ae3694edb8b: arm64: Clean up HW DBM errata detection (authored by andrew). · Explain WhySep 4 2025, 4:48 PM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG1ae3694edb8b: arm64: Clean up HW DBM errata detection.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

pmap.c

18 lines

Diff 161052

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arm64: Clean up HW DBM errata detectionClosedPublicActions