1 { lib, buildLinux, fetchurl
3 , structuredExtraConfig ? {}
9 version = "5.10.30-rt37"; # updated by ./update-rt.sh
10 branch = lib.versions.majorMinor version;
11 kversion = builtins.elemAt (lib.splitString "-" version) 0;
12 in buildLinux (args // {
15 # modDirVersion needs a patch number, change X.Y-rtZ to X.Y.0-rtZ.
16 modDirVersion = if (builtins.match "[^.]*[.][^.]*-.*" version) == null then version
17 else lib.replaceStrings ["-"] [".0-"] version;
20 url = "mirror://kernel/linux/kernel/v5.x/linux-${kversion}.tar.xz";
21 sha256 = "0h06lavcbbj9a4dfzca9sprghiq9z33q8i4gh3n2912wmjsnj0nl";
24 kernelPatches = let rt-patch = {
27 url = "mirror://kernel/linux/kernel/projects/rt/${branch}/older/patch-${version}.patch.xz";
28 sha256 = "1jibjfmjyn90n5jz5vq056n9xfzn9p8g9fsv7nmj5mfxxm4qhjal";
30 }; in [ rt-patch ] ++ lib.remove rt-patch kernelPatches;
32 structuredExtraConfig = with lib.kernel; {
34 # Fix error: unused option: PREEMPT_RT.
35 EXPERT = yes; # PREEMPT_RT depends on it (in kernel/Kconfig.preempt)
36 # Fix error: option not set correctly: PREEMPT_VOLUNTARY (wanted 'y', got 'n').
37 PREEMPT_VOLUNTARY = lib.mkForce no; # PREEMPT_RT deselects it.
38 # Fix error: unused option: RT_GROUP_SCHED.
39 RT_GROUP_SCHED = lib.mkForce (option no); # Removed by sched-disable-rt-group-sched-on-rt.patch.
40 } // structuredExtraConfig;
42 extraMeta = extraMeta // {