bhyve: Tidy lobits handling in pci_passthru
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Authored by jhb on Aug 17 2026, 5:55 PM.

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bnovkov

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bhyve

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rG0ffad4ce5655: bhyve: Tidy lobits handling in pci_passthru

Summary

The lobits field in the "physical" BAR settings is never used, so don't bother setting it.

Expand the comment explaining why the existing lobits are preserved (namely, to preserve the prefetch flag on memory BARs).

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rG FreeBSD src repository

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Event Timeline

jhb created this revision.Aug 17 2026, 5:55 PM

Herald added subscribers: bcran, rgrimes, imp. · View Herald TranscriptAug 17 2026, 5:55 PM

Harbormaster completed remote builds in B75654: Diff 184209.Aug 17 2026, 5:55 PM

jhb requested review of this revision.Aug 17 2026, 5:55 PM

jhb added a parent revision: D58893: bhyve: Refactor initial PCI BAR setup.

bnovkov accepted this revision.Aug 21 2026, 1:39 PM

This revision is now accepted and ready to land.Aug 21 2026, 1:39 PM

Closed by commit rG0ffad4ce5655: bhyve: Tidy lobits handling in pci_passthru (authored by jhb). · Explain WhyWed, Aug 26, 7:32 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rG0ffad4ce5655: bhyve: Tidy lobits handling in pci_passthru.

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usr.sbin/

bhyve/

pci_passthru.c

7 lines

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usr.sbin/bhyve/pci_passthru.c

bhyve: Tidy lobits handling in pci_passthruClosedPublicActions