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[Boot/Kernel] Add option to enable RT_GROUP_SCHED Kconfig.

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Also fix lpj when value is set to 0.
This commit is contained in:
Antoine Viallon 2022-10-04 22:31:07 +02:00
parent c4ce50500e
commit d0ff636208
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
1 changed files with 11 additions and 2 deletions
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13
boot.nix
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@ -9,6 +9,13 @@ let
X86_X32 y
'';
};
enableRTGroupSched = {
name = "enable-rt-group-sched";
patch = null;
extraConfig = ''
RT_GROUP_SCHED y
'';
};
optimizeForCPUArch = arch: let
archConfigMap = {
"k8" = "K8"; "opteron" = "K8"; "athlon64" = "K8"; "athlon-fx" = "K8";
@ -88,6 +95,7 @@ in
enable = mkEnableOption "X32 kernel ABI";
};
kvdo.enable = mkEnableOption "dm-kvdo kernel module";
rtGroupSched.enable = mkEnableOption "RT cgroups";
efi = mkOption rec {
description = "Use EFI bootloader";
default = builtins.pathExists "/sys/firmware/efi";
@ -120,7 +128,7 @@ in
boot.kernelParams = toCmdlineList cfg.cmdline;
} // (mkIf cfg.enable {
boot.kernelParams = toCmdlineList cfg.cmdline;
hardware.enableAllFirmware = allowUnfree;
hardware.enableRedistributableFirmware = true;
@ -132,7 +140,7 @@ in
# Sets loops_per_jiffy to given constant, thus avoiding time-consuming boot-time autodetection
# https://www.kernel.org/doc/html/v5.15/admin-guide/kernel-parameters.html
"lpj" = cfg.loops_per_jiffies;
"lpj" = mkIf (cfg.loops_per_jiffies > 0) cfg.loops_per_jiffies;
};
@ -144,6 +152,7 @@ in
kernelPatches = []
++ optional cfg.x32abi.enable customKernelPatches.enableX32ABI
++ optional cfg.rtGroupSched.enable customKernelPatches.enableRTGroupSched
++ optional config.aviallon.overlays.optimizations (customKernelPatches.optimizeForCPUArch config.aviallon.general.cpuArch)
;