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

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Lint Not Applicable

Unit

Tests Not Applicable

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 161529

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arm64: Clean up HW DBM errata detectionClosedPublicActions