Differential D43925

pci_host_generic: Properly handle bus_release_resource of IRQ resources
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Authored by jhb on Feb 16 2024, 12:03 AM.

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rG2afea415b919: pci_host_generic: Properly handle bus_release_resource of IRQ resources
rGfeefc3c71e33: pci_host_generic: Properly handle bus_release_resource of IRQ resources

Summary

Unlike other bus methods updated to use bus_generic_rman_* in commit
d79b6b8ec267, the bus_release_resource method was using
bus_generic_rman_release_resource for all types other than
PCI_RES_BUS. Instead, bus_generic_rman_* should only be used for
memory and I/O port resources for this driver.

Reported by: cperciva
Fixes: d79b6b8ec267 pci_host_generic: Don't rewrite resource start address for translation

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rG FreeBSD src repository

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Event Timeline

jhb created this revision.Feb 16 2024, 12:03 AM

Herald added a subscriber: imp. · View Herald TranscriptFeb 16 2024, 12:03 AM

jhb requested review of this revision.Feb 16 2024, 12:03 AM

Harbormaster completed remote builds in B56053: Diff 134403.Feb 16 2024, 12:03 AM

Confirmed, this fixes the panic I'm seeing on EC2 arm64 instances.

This revision is now accepted and ready to land.Feb 16 2024, 1:18 AM

Closed by commit rGfeefc3c71e33: pci_host_generic: Properly handle bus_release_resource of IRQ resources (authored by jhb). · Explain WhyFeb 16 2024, 1:56 AM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rGfeefc3c71e33: pci_host_generic: Properly handle bus_release_resource of IRQ resources.

jhb added a commit: rG2afea415b919: pci_host_generic: Properly handle bus_release_resource of IRQ resources.Feb 27 2025, 2:22 PM

Revision Contents
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sys/

dev/

pci/

pci_host_generic.c

16 lines

Diff 134407

sys/dev/pci/pci_host_generic.c

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