{ stdenv, fetchurl, ... } @ args: import ./generic.nix (args // rec { version = "3.12.20"; extraMeta.branch = "3.12"; src = fetchurl { url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz"; sha256 = "15pjvlqbbyif8s8mcpb7wf20fvbczhfp65mn6fd609j1p79nvqb9"; }; features.iwlwifi = true; features.efiBootStub = true; features.needsCifsUtils = true; features.canDisableNetfilterConntrackHelpers = true; features.netfilterRPFilter = true; })