arm64: Update the Neoverse-N1 1542419 errata check
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Authored by andrew on Aug 27 2025, 5:02 PM.

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Reviewers

manu
emaste

Group Reviewers

arm64

Commits

rGefb1c4bac122: arm64: Update the Neoverse-N1 1542419 errata check

Summary

Use the new midr_check_var_part_range function to check if running on
an affected Neoverse-N1 CPU.

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 B66572: Diff 161053.Aug 27 2025, 5:02 PM

andrew added a parent revision: D52188: arm64: Clean up HW DBM errata detection.Aug 27 2025, 5:02 PM

andrew added a child revision: D52190: arm64: Add a multiple TLBI workaround.

So the test was actually incorrect before?

Use the correct revision range

Harbormaster completed remote builds in B66591: Diff 161100.Aug 28 2025, 9:26 AM

emaste accepted this revision as: emaste.Aug 28 2025, 4:54 PM

This revision is now accepted and ready to land.Aug 28 2025, 4:54 PM

Closed by commit rGefb1c4bac122: arm64: Update the Neoverse-N1 1542419 errata check (authored by andrew). · Explain WhySep 4 2025, 4:48 PM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGefb1c4bac122: arm64: Update the Neoverse-N1 1542419 errata check.

Revision Contents
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Path

Size

sys/

arm64/

identcpu.c

26 lines

Diff 161528

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sys/arm64/arm64/identcpu.c

arm64: Update the Neoverse-N1 1542419 errata checkClosedPublicActions