kernel: Add 3.15

pkgs/os-specific/linux/kernel/linux-3.15.nix

@@ -0,0 +1,18 @@
+{ stdenv, fetchurl, ... } @ args:
+
+import ./generic.nix (args // rec {
+  version = "3.15";
+  extraMeta.branch = "3.15";
+  modDirVersion = "3.15.0";
+
+  src = fetchurl {
+    url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
+    sha256 = "153pn0zjzgi3ls4gy12n900ayskpq0yncn0vra5glh20ps3px4n3";
+  };
+
+  features.iwlwifi = true;
+  features.efiBootStub = true;
+  features.needsCifsUtils = true;
+  features.canDisableNetfilterConntrackHelpers = true;
+  features.netfilterRPFilter = true;
+} // (args.argsOverride or {}))

pkgs/top-level/all-packages.nix

@@ -7198,6 +7198,15 @@ let
       ];
   };
 
+  linux_3_15 = makeOverridable (import ../os-specific/linux/kernel/linux-3.15.nix) {
+    inherit fetchurl stdenv perl buildLinux;
+    kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
   linux_testing = makeOverridable (import ../os-specific/linux/kernel/linux-testing.nix) {
     inherit fetchurl stdenv perl buildLinux;
     kernelPatches = lib.optionals ((platform.kernelArch or null) == "mips")
@@ -7337,8 +7346,8 @@ let
   linuxPackages = linuxPackages_3_12;
 
   # Update this when adding the newest kernel major version!
-  linux_latest = pkgs.linux_3_14;
-  linuxPackages_latest = pkgs.linuxPackages_3_14;
+  linux_latest = pkgs.linux_3_15;
+  linuxPackages_latest = pkgs.linuxPackages_3_15;
 
   # Build the kernel modules for the some of the kernels.
   linuxPackages_3_2 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_2 linuxPackages_3_2);
@@ -7350,6 +7359,7 @@ let
   linuxPackages_3_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_12 linuxPackages_3_12);
   linuxPackages_3_13 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_13 linuxPackages_3_13);
   linuxPackages_3_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_14 linuxPackages_3_14);
+  linuxPackages_3_15 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_15 linuxPackages_3_15);
   linuxPackages_testing = recurseIntoAttrs (linuxPackagesFor pkgs.linux_testing linuxPackages_testing);
 
   # grsecurity flavors