kboot: Support reading the smbios vis sysfs
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Authored by andrew on Jul 18 2025, 3:55 PM.

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dab

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imp
manu

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rGa2e28ba79238: kboot: Support reading the smbios vis sysfs

Summary

When reading the smbios on Linux we try to access it via /dev/mem. On
some systems we can't do this as /dev/mem is locked down. To handle
this try reading the sysfs file first, and if that fails fall back to
/dev/mem.

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rG FreeBSD src repository

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Event Timeline

andrew created this revision.Jul 18 2025, 3:55 PM

Herald added a reviewer: manu. · View Herald TranscriptJul 18 2025, 3:55 PM

Herald added a subscriber: dab. · View Herald Transcript

andrew requested review of this revision.Jul 18 2025, 3:55 PM

Harbormaster completed remote builds in B65565: Diff 158748.Jul 18 2025, 3:55 PM

imp accepted this revision.Jul 18 2025, 3:59 PM

This revision is now accepted and ready to land.Jul 18 2025, 3:59 PM

Yea. Seems fine.

Closed by commit rGa2e28ba79238: kboot: Support reading the smbios vis sysfs (authored by andrew). · Explain WhyAug 18 2025, 9:46 AM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGa2e28ba79238: kboot: Support reading the smbios vis sysfs.

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stand/

kboot/

main.c

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kboot: Support reading the smbios vis sysfsClosedPublicActions