DMAR: clear dmar_devs[unit] if attach failed
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Authored by kib on Aug 20 2024, 2:45 PM.

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Reviewers: None
Commits: rG45543d3424d4: DMAR: clear dmar_devs[unit] if attach failed

Summary

This should stop attempts to use a unit which was not completely initialized, but referenced by ACPI DMAR table during scoped devices operions.

PR: 280817

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Repository

rG FreeBSD src repository

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Unit

Tests Not Applicable

Event Timeline

kib created this revision.Aug 20 2024, 2:45 PM

Herald added a subscriber: imp. · View Herald TranscriptAug 20 2024, 2:45 PM

kib requested review of this revision.Aug 20 2024, 2:45 PM

eduardo added a subscriber: eduardo.Aug 20 2024, 2:52 PM

emaste added a subscriber: emaste.Aug 20 2024, 3:00 PM

emaste mentioned this in rG0875f3cd74b2: Revert "x86: Enable Intel DMAR by default".Aug 20 2024, 3:50 PM

emaste mentioned this in D46319: UPDATING: reference existing PR for DMAR issue.Aug 20 2024, 8:14 PM

This revision was not accepted when it landed; it landed in state Needs Review.Aug 21 2024, 3:24 PM

Closed by commit rG45543d3424d4: DMAR: clear dmar_devs[unit] if attach failed (authored by kib). · Explain Why

This revision was automatically updated to reflect the committed changes.

kib added a commit: rG45543d3424d4: DMAR: clear dmar_devs[unit] if attach failed.

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Path

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sys/

x86/

iommu/

intel_drv.c

11 lines

Diff 142311

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DMAR: clear dmar_devs[unit] if attach failedClosedPublicActions