Merge staging-next into staging

pkgs/os-specific/linux/erofs-utils/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, fetchgit, autoreconfHook, pkgconfig, fuse, libuuid, lz4 }:
+
+stdenv.mkDerivation rec {
+  pname = "erofs-utils";
+  version = "1.2";
+  outputs = [ "out" "man" ];
+
+  src = fetchgit {
+    url =
+      "https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git";
+    rev = "v" + version;
+    sha256 = "07hvijq2hsn3gg1kb8abrfk23n83j57yx8kyv4wqgwhhvd30myjc";
+  };
+
+  buildInputs = [ autoreconfHook pkgconfig fuse libuuid lz4 ];
+
+  configureFlags = [ "--enable-fuse" ];
+
+  meta = with stdenv.lib; {
+    description = "Userspace utilities for linux-erofs file system";
+    license = with licenses; [ gpl2 ];
+    maintainers = with maintainers; [ ehmry ];
+    platforms = platforms.linux;
+  };
+}

pkgs/os-specific/linux/firmware/raspberrypi/armstubs.nix

@@ -0,0 +1,51 @@
+{ stdenv, fetchFromGitHub, cmake, pkgconfig }:
+
+let
+  inherit (stdenv.lib) optionals;
+in
+stdenv.mkDerivation {
+  pname = "raspberrypi-armstubs";
+  version = "2020-10-08";
+
+  src = fetchFromGitHub {
+    owner = "raspberrypi";
+    repo = "tools";
+    rev = "fc0e73c13865450e95edd046200e42a6e52d8256";
+    sha256 = "1g6ikpjcrm5x0rk5aiwjdd8grf997qkvgamcrdxy6k9ln746h25s";
+  };
+
+  NIX_CFLAGS_COMPILE = [
+    "-march=armv8-a+crc"
+  ];
+
+  preConfigure = ''
+    cd armstubs
+  '';
+
+  makeFlags = [
+    "CC8=${stdenv.cc.targetPrefix}cc"
+    "LD8=${stdenv.cc.targetPrefix}ld"
+    "OBJCOPY8=${stdenv.cc.targetPrefix}objcopy"
+    "OBJDUMP8=${stdenv.cc.targetPrefix}objdump"
+    "CC=${stdenv.cc.targetPrefix}cc"
+    "LD=${stdenv.cc.targetPrefix}ld"
+    "OBJCOPY=${stdenv.cc.targetPrefix}objcopy"
+    "OBJDUMP=${stdenv.cc.targetPrefix}objdump"
+  ]
+  ++ optionals (stdenv.isAarch64) [ "armstub8.bin" "armstub8-gic.bin" ]
+  ++ optionals (stdenv.isAarch32) [ "armstub7.bin" "armstub8-32.bin" "armstub8-32-gic.bin" ]
+  ;
+
+  installPhase = ''
+    mkdir -vp $out/
+    cp -v *.bin $out/
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Firmware related ARM stubs for the Raspberry Pi";
+    homepage = https://github.com/raspberrypi/tools;
+    license = licenses.bsd3;
+    platforms = [ "armv6l-linux" "armv7l-linux" "aarch64-linux" ];
+    maintainers = with maintainers; [ samueldr ];
+  };
+}

pkgs/os-specific/linux/kernel/common-config.nix

@@ -825,6 +825,12 @@ let
 
       # See comments on https://github.com/NixOS/nixpkgs/commit/9b67ea9106102d882f53d62890468071900b9647
       CRYPTO_AEGIS128_SIMD = whenAtLeast "5.4" no;
+
+      # Distros should configure the default as a kernel option.
+      # We previously defined it on the kernel command line as cma=
+      # The kernel command line will override a platform-specific configuration from its device tree.
+      # https://github.com/torvalds/linux/blob/856deb866d16e29bd65952e0289066f6078af773/kernel/dma/contiguous.c#L35-L44
+      CMA_SIZE_MBYTES = freeform "32";
     };
   };
 in