Only return a mapped address from efi_phys_to_kva
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Authored by andrew on Apr 9 2022, 11:45 AM.

Details

Reviewers

kevans
manu

Group Reviewers

arm64

Commits

rG0625715977d9: Only return a mapped address from efi_phys_to_kva
rGf3ef799f5645: Only return a mapped address from efi_phys_to_kva

Summary

On some hardware the EFI system table is not in memory mapped in the
DMAP section. Rather than panic the kernel check if it is mapped and
return a faulure if not from efi_phys_to_kva.

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Repository

rS FreeBSD src repository - subversion

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No Test Coverage

Build Status

Buildable 45093
Build 41981: arc lint + arc unit

Event Timeline

andrew created this revision.Apr 9 2022, 11:45 AM

Herald added a reviewer: manu. · View Herald TranscriptApr 9 2022, 11:45 AM

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

andrew requested review of this revision.Apr 9 2022, 11:45 AM

Harbormaster completed remote builds in B45093: Diff 104804.Apr 9 2022, 11:45 AM

kevans accepted this revision.Apr 9 2022, 2:25 PM

This revision is now accepted and ready to land.Apr 9 2022, 2:25 PM

Closed by commit rGf3ef799f5645: Only return a mapped address from efi_phys_to_kva (authored by andrew). · Explain WhyApr 10 2022, 8:56 AM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGf3ef799f5645: Only return a mapped address from efi_phys_to_kva.

andrew added a commit: rG0625715977d9: Only return a mapped address from efi_phys_to_kva.May 3 2022, 2:05 PM

Revision Contents
Changeset List

Path

Size

sys/

arm64/

efirt_machdep.c

13 lines

Diff 104804

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sys/arm64/arm64/efirt_machdep.c

Only return a mapped address from efi_phys_to_kvaClosedPublicActions