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Differential D58758

linuxkpi: Add `timer64_to_tm()`
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Authored by dumbbell on Aug 10 2026, 5:27 PM.

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rG5fad251f0563: linuxkpi: Add `timer64_to_tm()`

Summary

The function converts a number of seconds since Epoch to a struct tm.

The implementation was copied from contrib/tzcode/localtime.c.

The amdgpu DRM driver started to use it in Linux 6.15.

Sponsored by: The FreeBSD Foundation

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rG FreeBSD src repository

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Event Timeline

dumbbell created this revision.Aug 10 2026, 5:27 PM

Herald added subscribers: emaste, imp. · View Herald TranscriptAug 10 2026, 5:27 PM

dumbbell requested review of this revision.Aug 10 2026, 5:27 PM

dumbbell added a parent revision: D58757: linuxkpi: Add `hrtimer_setup()`.Aug 10 2026, 5:34 PM

dumbbell added a child revision: D58759: linuxkpi: Add the `*_new` fields to `struct bin_attribute`.

emaste added a project: linuxkpi.Aug 17 2026, 4:58 PM

bz added a subscriber: bz.Sat, Sep 5, 9:42 AM

bz added inline comments.

sys/compat/linuxkpi/common/src/linux_time.c
11 ↗	(On Diff #183793)	Which is public domain. What does that make this file then?

Fix new file license as suggested by @bz.

dumbbell marked an inline comment as done.Mon, Sep 7, 7:34 PM

dumbbell added inline comments.

sys/compat/linuxkpi/common/src/linux_time.c
11 ↗	(On Diff #183793)	I renamed the file to suggest that it only contains `timesub()` and I fixed the license header. Does this match what you had in mind?

I assume the copied file contents and logic are fine, so I haven't reviewed those.

This revision is now accepted and ready to land.Mon, Sep 7, 7:41 PM

Closed by commit rG5fad251f0563: linuxkpi: Add `timer64_to_tm()` (authored by dumbbell). · Explain WhyMon, Sep 7, 8:32 PM

This revision was automatically updated to reflect the committed changes.

dumbbell marked an inline comment as done.

dumbbell added a commit: rG5fad251f0563: linuxkpi: Add `timer64_to_tm()`.

Revision Contents
Changeset List

Path

Size

sys/

compat/

linuxkpi/

common/

include/

linux/

19 lines

src/

linux_timesub.c

183 lines

conf/

2 lines

modules/

linuxkpi/

1 line

Diff 186169

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

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sys/compat/linuxkpi/common/src/linux_timesub.c

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sys/conf/files

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sys/modules/linuxkpi/Makefile

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