Update to Linux 7.2.

This is to pull in the drivers for the mt7927 wireless chipset in my desktop. Normally, I would keep the rest of my machines on LTS but since Linux 7 significantly changed the kernel preemption, maintaining two configs would be more trouble than it is worth.

nix/configuration/configuration.nix

@@ -247,31 +247,31 @@ in
             glew = (final.glew.override { enableEGL = false; });
           };
         })
+        (disableTests "onetbb") # oneTBB tests hang forever on machines with a single core (like my build virtual machine) https://github.com/uxlfoundation/oneTBB/issues/1557
+        (disableTests "aws-c-common") # aws-c-common tests time out on my build virtual machine but run fine on my laptop.
+        (disableOptimizations "onnxruntime") # QuantizeLinearOpTest test failing.
         (final: prev: {
-          fwupd = prev.fwupd.overrideAttrs (
+          rpcs3 = prev.rpcs3.overrideAttrs (
             finalAttrs: prevAttrs: {
-              version = "2.1.5";
+              version = "0.0.42-19843";
+
               src = final.fetchFromGitHub {
-                owner = "fwupd";
+                owner = "RPCS3";
-                repo = "fwupd";
+                repo = "rpcs3";
-                tag = finalAttrs.version;
+                rev = "6567a5a2f8ab47a89db395d6b47a7b59b23d6960";
-                hash = "sha256-DzQ+N99ZmFRqZc2rN6PSqmoIMXUyrE8Kkn+KnT/AWPc=";
+                postCheckout = ''
+                  cd $out/3rdparty
+                  git submodule update --init \
+                    fusion/fusion asmjit/asmjit yaml-cpp/yaml-cpp SoundTouch/soundtouch stblib/stb \
+                    feralinteractive/feralinteractive wolfssl/wolfssl
+                '';
+                hash = "sha256-a1c1+Ui7XyHFTGEZAgRuJasCzQqr2PZNTlwaDUWVb18=";
               };
+
+              patches = [ ];
             }
           );
         })
-        (disableTests "onetbb") # oneTBB tests hang forever on machines with a single core (like my build virtual machine) https://github.com/uxlfoundation/oneTBB/issues/1557
-        (disableTests "aws-c-common") # aws-c-common tests time out on my build virtual machine but run fine on my laptop.
-
-        # Works but probably sets python2's scipy to be python3:
-        #
-        # (final: prev: {
-        #   pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
-        #     (python-final: python-prev: {
-        #       scipy = final.unoptimized.python3Packages.scipy;
-        #     })
-        #   ];
-        # })
       ];
 
     # This option defines the first version of NixOS you have installed on this particular machine,

nix/configuration/flake.lock

@@ -22,11 +22,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1780894562,
+        "lastModified": 1781152676,
-        "narHash": "sha256-c3430xwxwhHipl3jigUGMMBfpaMylDqytW/kdmB3ZGs=",
+        "narHash": "sha256-RxWs5ND31KzTG7wvMM+PMfUjyNpmIEr999lqNARaM5o=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "24fed06cac83bcc44ac8efbb57cab1a82fa0bedc",
+        "rev": "ff8702b4de27f72b4c78573dfb89ec74e36abdf1",
         "type": "github"
       },
       "original": {
@@ -170,11 +170,11 @@
         "rust-overlay": "rust-overlay_2"
       },
       "locked": {
-        "lastModified": 1786250497,
+        "lastModified": 1785893730,
-        "narHash": "sha256-OPhVT5n9OyPDZA3mIO6D5jVVvp/QmG8nT5Trb0gouSs=",
+        "narHash": "sha256-K3pjEDafWrpfC1dc14icLxx9tWx4c/dfKTeiDYoZU7Q=",
         "ref": "refs/heads/main",
-        "rev": "0a270dcbdd51baa2895634a3baee29373db8337a",
+        "rev": "83f05b36778dd90d4e15e0d020685d9388cbaea1",
-        "revCount": 42,
+        "revCount": 39,
         "type": "git",
         "url": "https://code.fizz.buzz/talexander/nix_builder.git"
       },
@@ -185,11 +185,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1780749050,
+        "lastModified": 1787498568,
-        "narHash": "sha256-3av0pIjlOWQ6rDbNOmpUSvbNnJkGORQKKjb4LtCZsIY=",
+        "narHash": "sha256-9i/VTdusq/+NM/tz+J1Re+ojkMB8MBf0QshnYfzHz30=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a799d3e3886da994fa307f817a6bc705ae538eeb",
+        "rev": "56c02bc00adcf003215cc4bd996d6efaf4cff188",
         "type": "github"
       },
       "original": {
@@ -199,22 +199,6 @@
         "type": "github"
       }
     },
-    "nixpkgs-google": {
-      "locked": {
-        "lastModified": 1779893571,
-        "narHash": "sha256-wiwMyVCtmjRjlFCe2zaumCE6LRV9GzzN0ZH25NQkbAU=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "45f6cfaa4605b706c870e75bd74bdb5e97eee11e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "45f6cfaa4605b706c870e75bd74bdb5e97eee11e",
-        "type": "github"
-      }
-    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1730741070,
@@ -264,8 +248,7 @@
         "impermanence": "impermanence",
         "lanzaboote": "lanzaboote",
         "nix_builder": "nix_builder",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs"
-        "nixpkgs-google": "nixpkgs-google"
       }
     },
     "rust-overlay": {

nix/configuration/flake.nix

@@ -20,7 +20,6 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    nixpkgs-google.url = "github:NixOS/nixpkgs/45f6cfaa4605b706c870e75bd74bdb5e97eee11e";
     lanzaboote = {
       url = "github:nix-community/lanzaboote/v0.4.2";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -39,7 +38,6 @@
     {
       self,
       nixpkgs,
-      nixpkgs-google,
       disko,
       impermanence,
       lanzaboote,
@@ -99,9 +97,6 @@
                       hostPlatform.gcc.arch = "default";
                       hostPlatform.gcc.tune = "default";
                     };
-                    google = import nixpkgs-google {
-                      system = prev.stdenv.hostPlatform.system;
-                    };
                   })
                 ];
               };

nix/configuration/roles/firefox/default.nix

@@ -134,7 +134,7 @@
       users.talexander = {
         directories = [
           {
-            directory = ".mozilla";
+            directory = ".config/mozilla";
             user = "talexander";
             group = "talexander";
             mode = "0700";

nix/configuration/roles/gcloud/default.nix

@@ -18,7 +18,7 @@
   };
 
   config = lib.mkIf config.me.gcloud.enable {
-    environment.systemPackages = with pkgs.google; [
+    environment.systemPackages = with pkgs; [
       (google-cloud-sdk.withExtraComponents [ google-cloud-sdk.components.gke-gcloud-auth-plugin ])
     ];
 

nix/configuration/roles/kernel/default.nix

@@ -14,30 +14,12 @@ let
     full = {
       PREEMPT_DYNAMIC = yes;
       PREEMPT = yes;
-      PREEMPT_VOLUNTARY = lib.mkForce no;
       PREEMPT_LAZY = lib.mkForce no;
-      PREEMPT_NONE = no;
     };
     lazy = {
       PREEMPT_DYNAMIC = yes;
       PREEMPT = no;
-      PREEMPT_VOLUNTARY = lib.mkForce no;
       PREEMPT_LAZY = yes;
-      PREEMPT_NONE = no;
-    };
-    voluntary = {
-      PREEMPT_DYNAMIC = no;
-      PREEMPT = no;
-      PREEMPT_VOLUNTARY = yes;
-      PREEMPT_LAZY = lib.mkForce no;
-      PREEMPT_NONE = no;
-    };
-    none = {
-      PREEMPT_DYNAMIC = no;
-      PREEMPT = no;
-      PREEMPT_VOLUNTARY = lib.mkForce no;
-      PREEMPT_LAZY = lib.mkForce no;
-      PREEMPT_NONE = yes;
     };
   };
   tick_hz =
@@ -99,16 +81,14 @@ let
       TRANSPARENT_HUGEPAGE_MADVISE = yes;
     };
   };
-  common_config =
+  common_config = with lib.kernel; {
-    with lib.kernel;
+    # Google's BBRv3 TCP congestion Control
-    {
+    TCP_CONG_BBR = yes;
-      # Google's BBRv3 TCP congestion Control
+    DEFAULT_BBR = yes;
-      TCP_CONG_BBR = yes;
+  };
-      DEFAULT_BBR = yes;
-    };
   flavors = {
     server = lib.mkMerge [
-      preemption_type.none
+      preemption_type.lazy
       tick_hz."300"
       performance_governor.default
       tick_rate.tickless
@@ -142,7 +122,8 @@ in
 
     kernel.version = lib.mkOption {
       type = lib.types.str;
-      default = "linux"; # LTS
+      # default = "linux"; # LTS
+      default = "linux_7_2"; # LTS
       example = "linux_6_18";
       description = "What version of the kernl should we use.";
     };

nix/configuration/roles/latex/default.nix

@@ -25,8 +25,8 @@
     nixpkgs.overlays = [
       (final: prev: {
         tex = (
-          pkgs.texlive.combine {
+          pkgs.texliveSmall.withPackages (
-            inherit (pkgs.texlive)
+            ps: with ps; [
               scheme-basic
               dvisvgm
               dvipng # for preview and export as html in org-mode
@@ -44,8 +44,8 @@
               upquote # emacs org-mode pdf export
               lineno # emacs org-mode pdf export
               beamer # emacs org-mode presentation pdf export
-              ;
+            ]
-          }
+          )
         );
       })
     ];

nix/configuration/roles/podman/default.nix

@@ -34,7 +34,9 @@
     # Write config files in /etc/containers
     virtualisation.containers.enable = true;
     # By default this includes "quay.io" which leads to prompting for which registry to download from.
-    virtualisation.containers.registries.search = [ "docker.io" ];
+    virtualisation.containers.registries.settings = {
+      unqualified-search-registries = [ "docker.io" ];
+    };
     virtualisation = {
       podman = {
         enable = true;

nix/configuration/roles/rpcs3/default.nix

@@ -38,7 +38,7 @@ in
           };
         };
         Miscellaneous = {
-          "Pause emulation on RPCS3 focus loss" = true;
+          "Pause emulation on RPCS3 focus loss" = false;
           "Start games in fullscreen mode" = true;
           "Pause Emulation During Home Menu" = false; # true makes the home menu slow
         };
@@ -53,7 +53,10 @@ in
       rpcs3
     ];
 
-    allowedUnfree = [ "rpcs3" ];
+    allowedUnfree = [
+      "rpcs3"
+      "corefonts"
+    ];
 
     security.pam.loginLimits = [
       {
@@ -70,6 +73,10 @@ in
       }
     ];
 
+    fonts.packages = with pkgs; [
+      corefonts # Needed for Arial, otherwise launching games fails.
+    ];
+
     me.install.user.talexander.file = {
       ".config/rpcs3/config.yml" = lib.mkIf (config.me.rpcs3.config != null) {
         source = rpcs3_config_yaml;