Differential D47809

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

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manu

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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.

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Repository

rG FreeBSD src repository

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Tests Not Applicable

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
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Path

Size

sys/

arm64/

pmap.c

16 lines

Diff 147827

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arm64: Add a DBM errata workaroundClosedPublicActions