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kernel: compile for x86_64-v3 (common target)
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This commit is contained in:
Simon Gardling
2026-04-15 17:33:21 -04:00
parent da1bfbb778
commit 7ab17f132e
3 changed files with 11 additions and 27 deletions
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11
system/common.nix
View File

@@ -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 = [
{

11
system/system-mreow.nix
View File

@@ -14,17 +14,6 @@
inputs.nixos-hardware.nixosModules.framework-amd-ai-300-series
];
# cachyos kernel: bore scheduler, full lto, zen 4 (amd ai 340)
boot.kernelPackages =
let
helpers = pkgs.callPackage "${inputs.nix-cachyos-kernel}/helpers.nix" { };
kernel = pkgs.cachyosKernels.linux-cachyos-bore-lto.override {
lto = "full";
processorOpt = "zen4";
};
in
helpers.kernelModuleLLVMOverride (pkgs.linuxKernel.packagesFor kernel);
hardware.framework.laptop13.audioEnhancement.rawDeviceName =
lib.mkDefault "alsa_output.pci-0000_c1_00.6.analog-stereo";

16
system/system-yarn.nix
View File

@@ -19,22 +19,6 @@
inputs.jovian-nixos.nixosModules.default
];
# cachyos kernel: bore scheduler, full lto, zen 3 (5800x)
boot.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";
structuredExtraConfig = with lib.kernel; {
# x86_64-v3 is the ISA level; pin to zen 3 for microarch tuning
GENERIC_CPU = lib.mkForce no;
MZEN3 = lib.mkForce yes;
};
};
in
helpers.kernelModuleLLVMOverride (pkgs.linuxKernel.packagesFor kernel);
fileSystems."/media/games" = {
device = "/dev/disk/by-uuid/1878136e-765d-4784-b204-3536ab4fdac8";
fsType = "f2fs";