Differential D39185

Remove virtual addresses from smmu_pmap_remove_pages
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Authored by andrew on Mar 21 2023, 4:19 PM.

Details

Reviewers

manu

Group Reviewers

arm64

Commits

rGcdd34e0038e5: Remove virtual addresses from smmu_pmap_remove_pages

Summary

This function needs to unmap all memory in a given SMMU context. Have
it iterate over all page table entries to find what has been mapped
rather than looking at virtual addresses.

While here use SMMU specific macros.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

andrew created this revision.Mar 21 2023, 4:19 PM

Herald added a reviewer: manu. · View Herald TranscriptMar 21 2023, 4:19 PM

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

andrew requested review of this revision.Mar 21 2023, 4:19 PM

Harbormaster completed remote builds in B50496: Diff 119198.Mar 21 2023, 4:19 PM

andrew added a parent revision: D39184: Move to a SMMU specific struct for the smmu pmap.Mar 21 2023, 4:19 PM

andrew added a child revision: D39186: Remove unneeded SMMU macros.

This revision was not accepted when it landed; it landed in state Needs Review.Apr 24 2023, 11:52 AM

Closed by commit rGcdd34e0038e5: Remove virtual addresses from smmu_pmap_remove_pages (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGcdd34e0038e5: Remove virtual addresses from smmu_pmap_remove_pages.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

iommu/

iommu_pmap.c

22 lines

Diff 120928

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sys/arm64/iommu/iommu_pmap.c

Remove virtual addresses from smmu_pmap_remove_pagesClosedPublicActions