kernel: compile for x86_64-v3 (common target)

2026-04-15 17:33:21 -04:00
parent da1bfbb778
commit 7ab17f132e
3 changed files with 11 additions and 27 deletions
--- a/system/common.nix
+++ b/system/common.nix
@@ -100,6 +100,17 @@
  # kernel options
  boot = {

+    # cachyos kernel: bore scheduler, full lto, x86_64-v3 (common to zen 3 + zen 5)
+    kernelPackages =
+      let
+        helpers = pkgs.callPackage "${inputs.nix-cachyos-kernel}/helpers.nix" { };
+        kernel = pkgs.cachyosKernels.linux-cachyos-bore-lto.override {
+          lto = "full";
+          processorOpt = "x86_64-v3";
+        };
+      in
+      helpers.kernelModuleLLVMOverride (pkgs.linuxKernel.packagesFor kernel);
+
    # disable legacy subsystems neither host will ever use
    kernelPatches = [
      {