{ stdenv, fetchurl, fetchpatch, pkgs }:

let

  makeTuxonicePatch = { version, kernelVersion, sha256,
    url ? "http://tuxonice.nigelcunningham.com.au/downloads/all/tuxonice-for-linux-${kernelVersion}-${version}.patch.bz2" }:
    { name = "tuxonice-${kernelVersion}";
      patch = stdenv.mkDerivation {
        name = "tuxonice-${version}-for-${kernelVersion}.patch";
        src = fetchurl {
          inherit url sha256;
        };
        phases = [ "installPhase" ];
        installPhase = ''
          source $stdenv/setup
          bunzip2 -c $src > $out
        '';
      };
    };
in

rec {

  bridge_stp_helper =
    { name = "bridge-stp-helper";
      patch = ./bridge-stp-helper.patch;
    };

  p9_fixes =
    { name = "p9-fixes";
      patch = ./p9-fixes.patch;
    };

  mips_fpureg_emu =
    { name = "mips-fpureg-emulation";
      patch = ./mips-fpureg-emulation.patch;
    };

  mips_fpu_sigill =
    { name = "mips-fpu-sigill";
      patch = ./mips-fpu-sigill.patch;
    };

  mips_ext3_n32 =
    { name = "mips-ext3-n32";
      patch = ./mips-ext3-n32.patch;
    };

  modinst_arg_list_too_long =
    { name = "modinst-arglist-too-long";
      patch = ./modinst-arg-list-too-long.patch;
    };

  genksyms_fix_segfault =
    { name = "genksyms-fix-segfault";
      patch = ./genksyms-fix-segfault.patch;
    };

  cpu-cgroup-v2 = import ./cpu-cgroup-v2-patches;

  tag_hardened = rec {
    name = "tag-hardened";
    patch = ./tag-hardened.patch;
  };

  # https://bugzilla.kernel.org/show_bug.cgi?id=197591#c6
  iwlwifi_mvm_support_version_7_scan_req_umac_fw_command = rec {
    name = "iwlwifi_mvm_support_version_7_scan_req_umac_fw_command";
    patch = fetchpatch {
      name = name + ".patch";
      url = https://bugzilla.kernel.org/attachment.cgi?id=260597;
      sha256 = "09096npxpgvlwdz3pb3m9brvxh7vy0xc9z9p8hh85xyczyzcsjhr";
    };
  };

  riscv_modules = {
    name = "riscv-modules";
    patch = ./riscv-modules.patch;
  };

  # http://lists.infradead.org/pipermail/linux-riscv/2018-February/000054.html
  riscv_irq_busy = {
    name = "riscv-irq-busy";
    patch = ./riscv-irq-busy.patch;
  };

  # http://lists.infradead.org/pipermail/linux-riscv/2018-February/000059.html
  riscv_install = {
    name = "riscv-install";
    patch = ./riscv-install.patch;
  };

  # http://lists.infradead.org/pipermail/linux-riscv/2018-February/000056.html
  riscv_initrd = {
    name = "riscv-initrd";
    patch = ./riscv-initrd.patch;
  };

  # http://lists.infradead.org/pipermail/linux-riscv/2018-February/000058.html
  riscv_initrd_free = {
    name = "riscv-initrd-free";
    patch = ./riscv-initrd-free.patch;
  };

}