Added a CahyOS kernel in a module

flake.nix

@@ -11,7 +11,11 @@
       url = "github:nix-community/lanzaboote/master";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    
+
+    # Custom Kernel
+    nix-cachyos-kernel = {
+      url = "github:xddxdd/nix-cachyos-kernel/release";
+    };
     # Hyprland
     hyprland = {
       url = "github:hyprwm/Hyprland";

hosts/framework/modules.nix

@@ -11,6 +11,7 @@ in
     modules.nixos.secrets
     modules.nixos.desktop.bluetooth
     modules.nixos.desktop.utils
+    modules.nixos.gaming.kernel
     modules.nixos.gaming.amd
     modules.nixos.gaming.starCitizen
     modules.nixos.gaming.steam

modules/default.nix

@@ -36,6 +36,7 @@
       steam = ./nixos/gaming/steam.nix;
       vr = ./nixos/gaming/vr.nix;
       mod = ./nixos/gaming/mod.nix;
+      kernel = ./nixos/gaming/kernel.nix
     };
 
     bootloader = ./nixos/bootloader.nix;

modules/nixos/gaming/kernel.nix

@@ -0,0 +1,29 @@
+{ pkgs, inputs, lib, ... }:
+
+let
+  helpers = pkgs.callPackage "${inputs.nix-cachyos-kernel.outPath}/helpers.nix" {};
+  cachyKernel = pkgs.cachyosKernels.linux-cachyos-bore-lto.override {
+    cpusched = "bore";
+    lto  = "thin";
+    processorOpt = "x86_64-v3";
+    hzTicks = "1000";
+    tickrate = "full";
+    preemptType = "full";
+    bbr3 = true;
+    ccHarder = true;
+    hugepage = "always";
+  };
+in {
+  nixpkgs.overlays = [ inputs.nix-cachyos-kernel.overlays.pinned ];
+  boot.kernelPackages = helpers.kernelModuleLLVMOverride (
+    pkgs.linuxKernel.packagesFor cachyKernel
+  );
+  nix.settings = {
+    substituters = lib.mkAfter [
+      "https://attic.xuyh0120.win/lantian"
+    ];
+    trusted-public-keys = lib.mkAfter [
+      "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc="
+    ];
+  };
+}