646b892680
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63 lines
1.7 KiB
Nix
63 lines
1.7 KiB
Nix
{
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lib,
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buildLinux,
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fetchurl,
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kernelPatches ? [ ],
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structuredExtraConfig ? { },
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extraMeta ? { },
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argsOverride ? { },
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...
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}@args:
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let
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version = "5.10.240-rt134"; # updated by ./update-rt.sh
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branch = lib.versions.majorMinor version;
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kversion = builtins.elemAt (lib.splitString "-" version) 0;
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in
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buildLinux (
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args
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// {
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inherit version;
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pname = "linux-rt";
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# modDirVersion needs a patch number, change X.Y-rtZ to X.Y.0-rtZ.
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modDirVersion = lib.versions.pad 3 version;
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src = fetchurl {
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url = "mirror://kernel/linux/kernel/v5.x/linux-${kversion}.tar.xz";
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sha256 = "04sdcf4aqsqchii38anzmk9f9x65wv8q1x3m9dandmi6fabw724d";
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};
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kernelPatches =
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let
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rt-patch = {
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name = "rt";
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patch = fetchurl {
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url = "mirror://kernel/linux/kernel/projects/rt/${branch}/older/patch-${version}.patch.xz";
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sha256 = "0f2wq6w0707qn798a9lk7r31mfmdll6xwnxq8fy86574gl08ah79";
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};
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};
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in
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[ rt-patch ] ++ kernelPatches;
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isLTS = true;
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structuredExtraConfig =
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with lib.kernel;
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{
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PREEMPT_RT = yes;
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# Fix error: unused option: PREEMPT_RT.
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EXPERT = yes; # PREEMPT_RT depends on it (in kernel/Kconfig.preempt)
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# Fix error: option not set correctly: PREEMPT_VOLUNTARY (wanted 'y', got 'n').
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PREEMPT_VOLUNTARY = lib.mkForce no; # PREEMPT_RT deselects it.
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# Fix error: unused option: RT_GROUP_SCHED.
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RT_GROUP_SCHED = lib.mkForce (option no); # Removed by sched-disable-rt-group-sched-on-rt.patch.
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}
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// structuredExtraConfig;
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extraMeta = extraMeta // {
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inherit branch;
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};
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}
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// argsOverride
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)
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