diff options
Diffstat (limited to 'nixpkgs/pkgs/os-specific/linux/kernel/linux-rt-5.15.nix')
-rw-r--r-- | nixpkgs/pkgs/os-specific/linux/kernel/linux-rt-5.15.nix | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/kernel/linux-rt-5.15.nix b/nixpkgs/pkgs/os-specific/linux/kernel/linux-rt-5.15.nix new file mode 100644 index 000000000000..189a211c8e48 --- /dev/null +++ b/nixpkgs/pkgs/os-specific/linux/kernel/linux-rt-5.15.nix @@ -0,0 +1,45 @@ +{ lib, buildLinux, fetchurl +, kernelPatches ? [ ] +, structuredExtraConfig ? {} +, extraMeta ? {} +, argsOverride ? {} +, ... } @ args: + +let + version = "5.15.148-rt74"; # updated by ./update-rt.sh + branch = lib.versions.majorMinor version; + kversion = builtins.elemAt (lib.splitString "-" version) 0; +in buildLinux (args // { + inherit version; + + # modDirVersion needs a patch number, change X.Y-rtZ to X.Y.0-rtZ. + modDirVersion = if (builtins.match "[^.]*[.][^.]*-.*" version) == null then version + else lib.replaceStrings ["-"] [".0-"] version; + + src = fetchurl { + url = "mirror://kernel/linux/kernel/v5.x/linux-${kversion}.tar.xz"; + sha256 = "1n75lrck581mppx84cds1a1l5vj05cdkp8ahpry7dx6rgz4pb1f4"; + }; + + kernelPatches = let rt-patch = { + name = "rt"; + patch = fetchurl { + url = "mirror://kernel/linux/kernel/projects/rt/${branch}/older/patch-${version}.patch.xz"; + sha256 = "0vbwqrkzigjfwmyxfbhq5n1g1qvyis949r97zqxhnmanq7c4njdk"; + }; + }; in [ rt-patch ] ++ kernelPatches; + + structuredExtraConfig = with lib.kernel; { + PREEMPT_RT = yes; + # Fix error: unused option: PREEMPT_RT. + EXPERT = yes; # PREEMPT_RT depends on it (in kernel/Kconfig.preempt) + # Fix error: option not set correctly: PREEMPT_VOLUNTARY (wanted 'y', got 'n'). + PREEMPT_VOLUNTARY = lib.mkForce no; # PREEMPT_RT deselects it. + # Fix error: unused option: RT_GROUP_SCHED. + RT_GROUP_SCHED = lib.mkForce (option no); # Removed by sched-disable-rt-group-sched-on-rt.patch. + } // structuredExtraConfig; + + extraMeta = extraMeta // { + inherit branch; + }; +} // argsOverride) |