63 lines
1.7 KiB
Nix
63 lines
1.7 KiB
Nix
{
|
|
lib,
|
|
buildLinux,
|
|
fetchurl,
|
|
kernelPatches ? [ ],
|
|
structuredExtraConfig ? { },
|
|
extraMeta ? { },
|
|
argsOverride ? { },
|
|
...
|
|
}@args:
|
|
|
|
let
|
|
version = "5.10.245-rt139"; # updated by ./update-rt.sh
|
|
branch = lib.versions.majorMinor version;
|
|
kversion = builtins.elemAt (lib.splitString "-" version) 0;
|
|
in
|
|
buildLinux (
|
|
args
|
|
// {
|
|
inherit version;
|
|
pname = "linux-rt";
|
|
|
|
# modDirVersion needs a patch number, change X.Y-rtZ to X.Y.0-rtZ.
|
|
modDirVersion = lib.versions.pad 3 version;
|
|
|
|
src = fetchurl {
|
|
url = "mirror://kernel/linux/kernel/v5.x/linux-${kversion}.tar.xz";
|
|
hash = "sha256-Ex516xTab9aDs4grzYVghc/KR8waqJzS3rG0jSLSnZ8=";
|
|
};
|
|
|
|
kernelPatches =
|
|
let
|
|
rt-patch = {
|
|
name = "rt";
|
|
patch = fetchurl {
|
|
url = "mirror://kernel/linux/kernel/projects/rt/${branch}/older/patch-${version}.patch.xz";
|
|
hash = "sha256-0/8We7wtj6Y3oMDdkLzmpuOz0kiY4RlWZeUcxy7UDds=";
|
|
};
|
|
};
|
|
in
|
|
[ rt-patch ] ++ kernelPatches;
|
|
|
|
isLTS = true;
|
|
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
|
|
)
|