Differential D59206

acpi_pci: Preserve CPU locality queries for descendants
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Authored by kbowling on Thu, Aug 27, 6:39 AM.

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rGdc4f80da18f0: acpi_pci: Preserve CPU locality queries for descendants

Summary

bus_generic_get_cpus() preserves the original leaf device while
forwarding a request through the bus hierarchy. Consequently,
acpi_pci_get_cpus() may receive a descendant below a PCI function
rather than one of the PCI bus's direct children.

Only apply the SR-IOV PF-locality mapping to direct PCI children.
Preserve the previous ACPI CPU-locality lookup for descendants so their
unrelated bus ivars are not interpreted as PCI device information.

MFC after:      2 weeks

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rG FreeBSD src repository

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kbowling created this revision.Thu, Aug 27, 6:39 AM

Herald added a subscriber: imp. · View Herald TranscriptThu, Aug 27, 6:39 AM

kbowling requested review of this revision.Thu, Aug 27, 6:39 AM

jhb accepted this revision.Thu, Aug 27, 1:56 PM

This revision is now accepted and ready to land.Thu, Aug 27, 1:56 PM

Closed by commit rGdc4f80da18f0: acpi_pci: Preserve CPU locality queries for descendants (authored by Kevin Bowling <kbowling@FreeBSD.org>). · Explain WhyThu, Aug 27, 10:50 PM

This revision was automatically updated to reflect the committed changes.

Kevin Bowling <kbowling@FreeBSD.org> added a commit: rGdc4f80da18f0: acpi_pci: Preserve CPU locality queries for descendants.

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sys/

dev/

acpica/

3 lines

Diff 185284

sys/dev/acpica/acpi_pci.c

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