dentritic refactor

modules/nixos/common/common-boot.ulu.nix

@@ -0,0 +1,48 @@
+{ ... }:
+{
+  flake.nixosModules.common-boot =
+    {
+      pkgs,
+      inputs,
+      ...
+    }:
+    {
+      environment.systemPackages = [ pkgs.efibootmgr ];
+
+      nixpkgs.overlays = [ inputs.nix-cachyos-kernel.overlays.pinned ];
+      boot.kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-bore-lto;
+
+      boot.kernelParams = [
+        "mitigations=off"
+        "nmi_watchdog=1"
+        "transparent_hugepage=madvise"
+      ];
+
+      boot.kernelModules = [
+        "tcp_bbr"
+        "sch_fq"
+      ];
+
+      boot.kernel.sysctl = {
+        "net.core.default_qdisc" = "fq";
+        "net.ipv4.tcp_congestion_control" = "bbr";
+        "kernel.softlockup_panic" = 1;
+        "kernel.hardlockup_panic" = 1;
+        "kernel.hung_task_panic" = 1;
+        "kernel.panic" = 50;
+      };
+
+      boot.loader = {
+        timeout = 5;
+        efi = {
+          canTouchEfiVariables = false;
+          efiSysMountPoint = "/boot";
+        };
+
+        systemd-boot = {
+          enable = true;
+          configurationLimit = 5;
+        };
+      };
+    };
+}