Differential D47809

arm64: Add a DBM errata workaround
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Authored by andrew on Nov 27 2024, 6:11 PM.

Details

Reviewers

manu

Group Reviewers

ARM

Commits

rGe7bc16422031: arm64: Add a DBM errata workaround

Summary

Add a workaround for Cortex-A55 erratum 1024718 and Cortex-A510 erratum

Both errata are related to the hardware handling of the dirty

field in page tables and can be worked around by disabling this feature.

Diff Detail

Repository

rG FreeBSD src repository

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Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 60844
Build 57728: arc lint + arc unit

Event Timeline

andrew created this revision.Nov 27 2024, 6:11 PM

Herald added a reviewer: manu. · View Herald TranscriptNov 27 2024, 6:11 PM

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

andrew requested review of this revision.Nov 27 2024, 6:11 PM

Harbormaster completed remote builds in B60844: Diff 147071.Nov 27 2024, 6:11 PM

andrew added a parent revision: D47808: arm64: Move setting TCR_HD to C code.Nov 27 2024, 6:11 PM

andrew added a child revision: D47810: arm64: Fix the alt name for ZCR_EL1.

andrew mentioned this in D47808: arm64: Move setting TCR_HD to C code.Dec 9 2024, 2:31 PM

This revision was not accepted when it landed; it landed in state Needs Review.Dec 11 2024, 5:48 PM

Closed by commit rGe7bc16422031: arm64: Add a DBM errata workaround (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGe7bc16422031: arm64: Add a DBM errata workaround.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

pmap.c

16 lines

Diff 147071

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arm64: Add a DBM errata workaroundClosedPublicActions