{ stdenv, fetchFromGitHub, perl, buildLinux, ... } @ args:

let
  modDirVersion = "6.1.58";
  # tag = "1.20161020-1";
in
stdenv.lib.overrideDerivation (import "${pkgs.path}/pkgs/os-specific/linux/kernel/generic.nix" (args // rec {
  version = "${modDirVersion}";
  inherit modDirVersion;

  src = fetchFromGitHub {
    owner = "Xilinx";
    repo = "linux-xlnx";
    rev = "c8b3583bc86352009c6ac61e2ced0e12118f8ebb";
    hash = "";
  };

  # features.iwlwifi = true;
  # features.needsCifsUtils = true;
  # features.canDisableNetfilterConntrackHelpers = true;
  # features.netfilterRPFilter = true;

})) (oldAttrs: {
  postConfigure = ''
    # The v7 defconfig has this set to '-v7' which screws up our modDirVersion.
    sed -i $buildRoot/.config -e 's/^CONFIG_LOCALVERSION=.*/CONFIG_LOCALVERSION=""/'
  '';

  # postFixup = ''
  #   # Make copies of the DTBs so that U-Boot finds them, as it is looking for the upstream names.
  #   # This is ugly as heck.
  #   copyDTB() {
  #     if [ -f "$out/dtbs/$1" ]; then
  #       cp -v "$out/dtbs/$1" "$out/dtbs/$2"
  #     fi
  #   }

  #   # I am not sure if all of these are correct...
  #   copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-a.dtb
  #   copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b.dtb
  #   copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b-rev2.dtb
  #   copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-a-plus.dtb
  #   copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-b-plus.dtb
  #   copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-zero.dtb
  #   copyDTB bcm2708-rpi-cm.dtb bcm2835-rpi-cm.dtb
  #   copyDTB bcm2709-rpi-2-b.dtb bcm2836-rpi-2-b.dtb
  #   copyDTB bcm2710-rpi-3-b.dtb bcm2837-rpi-3-b.dtb
  # '';
})