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Differential D55940

kernel: Be clearer about what ZSTDIO is for
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Authored by des on Mar 19 2026, 2:41 PM.
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jhibbits
olce
riscv

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imp
mm
andrew
manu
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rG8396b387e480: kernel: Be clearer about what ZSTDIO is for
rG092687a03106: kernel: Be clearer about what ZSTDIO is for
Summary

ZSTDIO is not just for core dumps, and it is now required by ZFS, so
move it (and GZIO, which is still just for dumps) to a new “Compression
support” section in GENERIC, and add them both to MINIMAL.

MFC after: 1 week

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rG FreeBSD src repository
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Event Timeline

des created this revision.Mar 19 2026, 2:41 PM
Herald added a reviewer: andrew. · View Herald TranscriptMar 19 2026, 2:42 PM
Herald added a reviewer: andrew. · View Herald Transcript
Herald added a reviewer: manu. · View Herald Transcript
Herald added subscribers: riscv, jhibbits, emaste. · View Herald Transcript
des requested review of this revision.Mar 19 2026, 2:42 PM
Harbormaster completed remote builds in B71516: Diff 173905.Mar 19 2026, 2:42 PM
olce added a subscriber: olce.Mar 19 2026, 3:04 PM
olce added inline comments.
sys/amd64/conf/FIRECRACKER
105–106

I'd stay explicit on the fact that kernel and user dumps are concerned.

imp added a comment.Mar 19 2026, 3:22 PM

Any chance we can make zstd a loadable module?

imp accepted this revision.Mar 20 2026, 9:26 PM
This revision is now accepted and ready to land.Mar 20 2026, 9:26 PM
Closed by commit rG092687a03106: kernel: Be clearer about what ZSTDIO is for (authored by des). · Explain WhyMar 21 2026, 7:22 AM
This revision was automatically updated to reflect the committed changes.
des added a commit: rG092687a03106: kernel: Be clearer about what ZSTDIO is for.
des added a commit: rG8396b387e480: kernel: Be clearer about what ZSTDIO is for.Apr 7 2026, 3:53 PM

Revision Contents
Changeset List

PathSize
sys/
amd64/
conf/
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6 lines
4 lines
arm64/
conf/
6 lines
conf/
4 lines
i386/
conf/
6 lines
4 lines
powerpc/
conf/
6 lines
6 lines
6 lines
riscv/
conf/
6 lines

Diff 174073

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sys/amd64/conf/FIRECRACKER

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sys/amd64/conf/GENERIC

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sys/amd64/conf/MINIMAL

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sys/arm64/conf/std.arm64

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sys/conf/NOTES

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sys/i386/conf/GENERIC

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sys/i386/conf/MINIMAL

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sys/powerpc/conf/GENERIC

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sys/powerpc/conf/GENERIC64

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sys/powerpc/conf/GENERIC64LE

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sys/riscv/conf/GENERIC

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