linux: remove 5.18

This is long overdue, the last release was almost a month ago, on 21st
Aug 2022[1].

[1] https://lwn.net/Articles/905532/

nixos/tests/kernel-generic.nix

@@ -30,7 +30,6 @@ let
       linux_5_4_hardened
       linux_5_10_hardened
       linux_5_15_hardened
-      linux_5_18_hardened
 
       linux_testing;
   };

pkgs/os-specific/linux/kernel/hardened/patches.json

@@ -39,16 +39,6 @@
         "sha256": "0h7r2k59jsw8ykb2p7nxrpazbwx1n5p3nmfbbj1lhib91fldjiys",
         "version": "5.15.67"
     },
-    "5.18": {
-        "patch": {
-            "extra": "-hardened1",
-            "name": "linux-hardened-5.18.19-hardened1.patch",
-            "sha256": "1q61641b8lr87h04kjpd7izgi4kxdvknsn8ssmcs8n6fk6cswv8c",
-            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.18.19-hardened1/linux-hardened-5.18.19-hardened1.patch"
-        },
-        "sha256": "1mc8zhiw0v7fka64mydpdrxkrvy0jyqggq5lghw3pyqj2wjrpw6z",
-        "version": "5.18.19"
-    },
     "5.19": {
         "patch": {
             "extra": "-hardened1",

pkgs/os-specific/linux/kernel/linux-5.18.nix

@@ -1,18 +0,0 @@
-{ lib, buildPackages, fetchurl, perl, buildLinux, nixosTests, modDirVersionArg ? null, ... } @ args:
-
-with lib;
-
-buildLinux (args // rec {
-  version = "5.18.19";
-
-  # modDirVersion needs to be x.y.z, will automatically add .0 if needed
-  modDirVersion = if (modDirVersionArg == null) then concatStringsSep "." (take 3 (splitVersion "${version}.0")) else modDirVersionArg;
-
-  # branchVersion needs to be x.y
-  extraMeta.branch = versions.majorMinor version;
-
-  src = fetchurl {
-    url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "1mc8zhiw0v7fka64mydpdrxkrvy0jyqggq5lghw3pyqj2wjrpw6z";
-  };
-} // (args.argsOverride or { }))

pkgs/os-specific/linux/zfs/default.nix

@@ -16,7 +16,7 @@
 , enablePython ? true
 
 # for determining the latest compatible linuxPackages
-, linuxPackages_5_18 ? pkgs.linuxKernel.packages.linux_5_18
+, linuxPackages_5_15 ? pkgs.linuxKernel.packages.linux_5_15
 }:
 
 let
@@ -217,7 +217,7 @@ in {
   zfsStable = common {
     # check the release notes for compatible kernels
     kernelCompatible = kernel.kernelOlder "5.19";
-    latestCompatibleLinuxPackages = linuxPackages_5_18;
+    latestCompatibleLinuxPackages = linuxPackages_5_15;
 
     # this package should point to the latest release.
     version = "2.1.5";
@@ -228,7 +228,7 @@ in {
   zfsUnstable = common {
     # check the release notes for compatible kernels
     kernelCompatible = kernel.kernelOlder "5.19";
-    latestCompatibleLinuxPackages = linuxPackages_5_18;
+    latestCompatibleLinuxPackages = linuxPackages_5_15;
 
     # this package should point to a version / git revision compatible with the latest kernel release
     # IMPORTANT: Always use a tagged release candidate or commits from the

pkgs/top-level/all-packages.nix

@@ -24556,8 +24556,6 @@ with pkgs;
   linux_5_10_hardened = linuxKernel.kernels.linux_5_10_hardened;
   linuxPackages_5_15_hardened = linuxKernel.packages.linux_5_15_hardened;
   linux_5_15_hardened = linuxKernel.kernels.linux_5_15_hardened;
-  linuxPackages_5_18_hardened = linuxKernel.packages.linux_5_18_hardened;
-  linux_5_18_hardened = linuxKernel.kernels.linux_5_18_hardened;
 
   # Hardkernel (Odroid) kernels.
   linuxPackages_hardkernel_latest = linuxKernel.packageAliases.linux_hardkernel_latest;

pkgs/top-level/linux-kernels.nix

@@ -168,12 +168,7 @@ in {
 
     linux_5_17 = throw "linux 5.17 was removed because it has reached its end of life upstream";
 
-    linux_5_18 = callPackage ../os-specific/linux/kernel/linux-5.18.nix {
+    linux_5_18 = throw "linux 5.18 was removed because it has reached its end of life upstream";
-      kernelPatches = [
-        kernelPatches.bridge_stp_helper
-        kernelPatches.request_key_helper
-      ];
-    };
 
     linux_5_19 = callPackage ../os-specific/linux/kernel/linux-5.19.nix {
       kernelPatches = [
@@ -195,7 +190,7 @@ in {
        else testing;
 
     linux_testing_bcachefs = callPackage ../os-specific/linux/kernel/linux-testing-bcachefs.nix rec {
-      kernel = linux_5_18;
+      kernel = linux_5_19;
       kernelPatches = kernel.kernelPatches;
    };
 
@@ -248,7 +243,7 @@ in {
     linux_5_4_hardened = hardenedKernelFor kernels.linux_5_4 { };
     linux_5_10_hardened = hardenedKernelFor kernels.linux_5_10 { };
     linux_5_15_hardened = hardenedKernelFor kernels.linux_5_15 { };
-    linux_5_18_hardened = hardenedKernelFor kernels.linux_5_18 { };
+    linux_5_18_hardened = throw "linux 5.18 was removed because it has reached its end of life upstream";
 
   }));
   /*  Linux kernel modules are inherently tied to a specific kernel.  So
@@ -533,7 +528,7 @@ in {
     linux_5_15 = recurseIntoAttrs (packagesFor kernels.linux_5_15);
     linux_5_16 = throw "linux 5.16 was removed because it reached its end of life upstream"; # Added 2022-04-23
     linux_5_17 = throw "linux 5.17 was removed because it reached its end of life upstream"; # Added 2022-06-23
-    linux_5_18 = recurseIntoAttrs (packagesFor kernels.linux_5_18);
+    linux_5_18 = throw "linux 5.18 was removed because it reached its end of life upstream"; # Added 2022-09-17
     linux_5_19 = recurseIntoAttrs (packagesFor kernels.linux_5_19);
   };
 
@@ -573,7 +568,7 @@ in {
     });
     linux_5_10_hardened = recurseIntoAttrs (hardenedPackagesFor kernels.linux_5_10 { });
     linux_5_15_hardened = recurseIntoAttrs (hardenedPackagesFor kernels.linux_5_15 { });
-    linux_5_18_hardened = recurseIntoAttrs (hardenedPackagesFor kernels.linux_5_18 { });
+    linux_5_18_hardened = throw "linux 5.18 was removed because it has reached its end of life upstream";
 
     linux_zen = recurseIntoAttrs (packagesFor kernels.linux_zen);
     linux_lqx = recurseIntoAttrs (packagesFor kernels.linux_lqx);