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Differential D55732

linuxkpi: Add mising functions in <linux/kmsg_dump.h>
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Authored by dumbbell on Mar 8 2026, 1:20 PM.

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emaste
bz

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rGc024e02fd3ea: linuxkpi: Add mising functions in <linux/kmsg_dump.h>
rGf2ad06a0801a: linuxkpi: Add mising functions in <linux/kmsg_dump.h>

Summary

The DRM generic code started to use kmsg_dump_get_buffer() and kmsg_dump_rewind() in Linux 6.11.

This is part of the update of DRM drivers to Linux 6.11.

Sponsored by: The FreeBSD Foundation

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rG FreeBSD src repository

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Event Timeline

dumbbell created this revision.Mar 8 2026, 1:20 PM

Herald added subscribers: emaste, imp. · View Herald TranscriptMar 8 2026, 1:20 PM

dumbbell requested review of this revision.Mar 8 2026, 1:20 PM

emaste added inline comments.Mar 8 2026, 3:47 PM

sys/compat/linuxkpi/common/include/linux/kmsg_dump.h
91	`Unknown` if we want to return a string matching what Linux would do, or perhaps `Unimplemented`

dumbbell marked an inline comment as done.Mar 8 2026, 8:38 PM

dumbbell added inline comments.

sys/compat/linuxkpi/common/include/linux/kmsg_dump.h
91	The function returns `"Disabled"` on Linux when `CONFIG_PRINTK` is not defined. That’s what I replicated for our non-implemented functions. I will change that to "Unknown".

Address comment from @emaste

emaste accepted this revision.Mar 9 2026, 1:11 AM

emaste added inline comments.

sys/compat/linuxkpi/common/include/linux/kmsg_dump.h
91	Oh, missed that. In that case I'm fine with `Disabled` too.

This revision is now accepted and ready to land.Mar 9 2026, 1:11 AM

bz accepted this revision.Mar 9 2026, 7:37 AM

Closed by commit rGf2ad06a0801a: linuxkpi: Add mising functions in <linux/kmsg_dump.h> (authored by dumbbell). · Explain WhyApr 6 2026, 7:55 PM

This revision was automatically updated to reflect the committed changes.

dumbbell added a commit: rGf2ad06a0801a: linuxkpi: Add mising functions in <linux/kmsg_dump.h>.

bz added a commit: rGc024e02fd3ea: linuxkpi: Add mising functions in <linux/kmsg_dump.h>.Apr 22 2026, 9:12 PM

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Path

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sys/

compat/

linuxkpi/

common/

include/

linux/

42 lines

Diff 173382

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

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