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Systems Programming

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Kernel, stdenv, low-level hacking, patchelf, … 68 Servers

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10 Jul 2025
@atagen:ch.atagen.coatagen anyone know how I can get a full list of default nixos kernel options, including actual kernel defaults that aren't set in common-config.nix ? 06:04:44
@atagen:ch.atagen.coatagen to scope out: I'm looking for something to diff my own config options against so I know what's strictly necessary to set in extraStructuredConfig 06:06:00
@eljamm:matrix.orgeljamm

You can perhaps have a look at how the kernel configfile is generated, or you can build that and compare it with your own options. For example:

$ nix-build -A linux_xanmod.configfile
$ $EDITOR ./result
06:21:41
12 Jul 2025
@plan9better:matrix.orgplan9better joined the room.11:06:02
13 Jul 2025
@woobilicious:matrix.orgwoobilicious

been ages since I looked at the nixpkgs stuff around kernel config but I'm pretty sure we rely on upstreams defaults, and common-config.nix just adds more.

`nix log nixpkgs#linuxKernel.kernels.<kernel_version>.configfile```

will show you the configfile build log.

i.e:

*** Default configuration is based on 'x86_64_defconfig'
#
# configuration written to .config
#
06:01:12
@woobilicious:matrix.orgwoobilicious *

been ages since I looked at the nixpkgs stuff around kernel config but I'm pretty sure we rely on upstreams defaults, and common-config.nix just adds more.

nix log nixpkgs#linuxKernel.kernels.\<kernel\_version>.configfile

will show you the configfile build log.

i.e:

*** Default configuration is based on 'x86_64_defconfig'
#
# configuration written to .config
#
06:07:36
@woobilicious:matrix.orgwoobilicious *

been ages since I looked at the nixpkgs stuff around kernel config but I'm pretty sure we rely on upstreams defaults, and common-config.nix just adds more.

nix log nixpkgs#linuxKernel.kernels.<kernel_version>.configfile

will show you the configfile build log.

i.e:

*** Default configuration is based on 'x86_64_defconfig'
#
# configuration written to .config
#
06:07:47
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14 Jul 2025
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24 Jul 2025
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26 Jul 2025
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28 Jul 2025
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