linuxkpi: Define `PCI_POSSIBLE_ERROR()` macro
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Authored by dumbbell on Jan 4 2026, 10:17 AM.

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emaste

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linuxkpi

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rGace666bd21a2: linuxkpi: Define `PCI_POSSIBLE_ERROR()` macro

Summary

It comes with PCI_ERROR_RESPONSE and PCI_SET_ERROR_RESPONSE() but we don't use them so far. Therefore PCI_POSSIBLE_ERROR() will always reture false.

As written in the comment, this macro is a bit weird given the Linux `pci_read_*() functions can return an error code separately from the read value.

The PCI_POSSIBLE_ERROR() macro started to be used by the amdgpu DRM driver in Linux 6.10.

This is part of the update of DRM drivers to Linux 6.10.

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rG FreeBSD src repository

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Event Timeline

dumbbell created this revision.Jan 4 2026, 10:17 AM

Herald added subscribers: emaste, imp. · View Herald TranscriptJan 4 2026, 10:17 AM

dumbbell requested review of this revision.Jan 4 2026, 10:17 AM

emaste accepted this revision.Jan 5 2026, 5:12 PM

This revision is now accepted and ready to land.Jan 5 2026, 5:12 PM

Closed by commit rGace666bd21a2: linuxkpi: Define `PCI_POSSIBLE_ERROR()` macro (authored by dumbbell). · Explain WhyJan 5 2026, 8:09 PM

This revision was automatically updated to reflect the committed changes.

dumbbell added a commit: rGace666bd21a2: linuxkpi: Define `PCI_POSSIBLE_ERROR()` macro.

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sys/

compat/

linuxkpi/

common/

include/

linux/

pci.h

14 lines

Diff 169109

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sys/compat/linuxkpi/common/include/linux/pci.h

linuxkpi: Define `PCI_POSSIBLE_ERROR()` macroClosedPublicActions