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nixos: make it easy to apply kernel patches

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This makes it easy to specify kernel patches:

    boot.kernelPatches = [ pkgs.kernelPatches.ubuntu_fan_4_4 ];

To make the `boot.kernelPatches` option possible, this also makes it
easy to extend and/or modify the kernel packages within a linuxPackages
set. For example:

    pkgs.linuxPackages.extend (self: super: {
      kernel = super.kernel.override {
        kernelPatches = super.kernel.kernelPatches ++ [
          pkgs.kernelPatches.ubuntu_fan_4_4
        ];
      };
    });

Closes #15095
This commit is contained in:
Charles Strahan 2016-04-30 00:19:57 -04:00
parent 9ce4e47bf6
commit da36847d92
No known key found for this signature in database
GPG Key ID: BB47AB4B8489B5A5
3 changed files with 58 additions and 24 deletions
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21
lib/trivial.nix
View File

@ -53,6 +53,27 @@ rec {
# argument, but it's nice this way if several uses of `extends` are cascaded.
extends = f: rattrs: self: let super = rattrs self; in super // f self super;
# Create an overridable, recursive attribute set. For example:
#
# nix-repl> obj = makeExtensible (self: { })
#
# nix-repl> obj
# { __unfix__ = «lambda»; extend = «lambda»; }
#
# nix-repl> obj = obj.extend (self: super: { foo = "foo"; })
#
# nix-repl> obj
# { __unfix__ = «lambda»; extend = «lambda»; foo = "foo"; }
#
# nix-repl> obj = obj.extend (self: super: { foo = super.foo + " + "; bar = "bar"; foobar = self.foo + self.bar; })
#
# nix-repl> obj
# { __unfix__ = «lambda»; bar = "bar"; extend = «lambda»; foo = "foo + "; foobar = "foo + bar"; }
makeExtensible = rattrs:
fix' rattrs // {
extend = f: makeExtensible (extends f rattrs);
};
# Flip the order of the arguments of a binary function.
flip = f: a: b: f b a;

16
nixos/modules/system/boot/kernel.nix
View File

@ -4,7 +4,9 @@ with lib;
let
kernel = config.boot.kernelPackages.kernel;
inherit (config.boot) kernelPatches;
inherit (config.boot.kernelPackages) kernel;
kernelModulesConf = pkgs.writeText "nixos.conf"
''
@ -21,6 +23,11 @@ in
boot.kernelPackages = mkOption {
default = pkgs.linuxPackages;
apply = kernelPackages: kernelPackages.extend (self: super: {
kernel = super.kernel.override {
kernelPatches = super.kernel.kernelPatches ++ kernelPatches;
};
});
# We don't want to evaluate all of linuxPackages for the manual
# - some of it might not even evaluate correctly.
defaultText = "pkgs.linuxPackages";
@ -39,6 +46,13 @@ in
'';
};
boot.kernelPatches = mkOption {
type = types.listOf types.attrs;
default = [];
example = literalExample "[ pkgs.kernelPatches.ubuntu_fan_4_4 ]";
description = "A list of additional patches to apply to the kernel.";
};
boot.kernelParams = mkOption {
type = types.listOf types.str;
default = [ ];

45
pkgs/top-level/all-packages.nix
View File

@ -10873,7 +10873,9 @@ in
for a specific kernel. This function can then be called for
whatever kernel you're using. */
linuxPackagesFor = kernel: self: let callPackage = newScope self; in rec {
linuxPackagesFor = kernel: lib.makeExtensible (self: with self; {
callPackage = newScope self;
inherit kernel;
accelio = callPackage ../development/libraries/accelio { };
@ -10991,7 +10993,7 @@ in
configFile = "kernel";
inherit kernel spl;
};
};
});
# The current default kernel / kernel modules.
linuxPackages = linuxPackages_4_4;
@ -11002,29 +11004,27 @@ in
linux_latest = linuxPackages_latest.kernel;
# Build the kernel modules for the some of the kernels.
linuxPackages_mptcp = linuxPackagesFor pkgs.linux_mptcp linuxPackages_mptcp;
linuxPackages_rpi = linuxPackagesFor pkgs.linux_rpi linuxPackages_rpi;
linuxPackages_3_10 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_10 linuxPackages_3_10);
linuxPackages_3_10_tuxonice = linuxPackagesFor pkgs.linux_3_10_tuxonice linuxPackages_3_10_tuxonice;
linuxPackages_3_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_12 linuxPackages_3_12);
linuxPackages_3_18 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_18 linuxPackages_3_18);
linuxPackages_4_1 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_1 linuxPackages_4_1);
linuxPackages_4_4 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_4 linuxPackages_4_4);
linuxPackages_4_7 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_7 linuxPackages_4_7);
linuxPackages_4_8 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_8 linuxPackages_4_8);
linuxPackages_mptcp = linuxPackagesFor pkgs.linux_mptcp;
linuxPackages_rpi = linuxPackagesFor pkgs.linux_rpi;
linuxPackages_3_10 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_10);
linuxPackages_3_10_tuxonice = linuxPackagesFor pkgs.linux_3_10_tuxonice;
linuxPackages_3_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_12);
linuxPackages_3_18 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_18);
linuxPackages_4_1 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_1);
linuxPackages_4_4 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_4);
linuxPackages_4_7 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_7);
linuxPackages_4_8 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_8);
# Don't forget to update linuxPackages_latest!
# Intentionally lacks recurseIntoAttrs, as -rc kernels will quite likely break out-of-tree modules and cause failed Hydra builds.
linuxPackages_testing = linuxPackagesFor pkgs.linux_testing linuxPackages_testing;
linuxPackages_testing = linuxPackagesFor pkgs.linux_testing;
linuxPackages_custom = {version, src, configfile}:
let linuxPackages_self = (linuxPackagesFor (pkgs.linuxManualConfig {inherit version src configfile;
allowImportFromDerivation=true;})
linuxPackages_self);
in recurseIntoAttrs linuxPackages_self;
recurseIntoAttrs (linuxPackagesFor (pkgs.linuxManualConfig {inherit version src configfile;
allowImportFromDerivation=true;}));
# Build a kernel for Xen dom0
linuxPackages_latest_xen_dom0 = recurseIntoAttrs (linuxPackagesFor (pkgs.linux_latest.override { features.xen_dom0=true; }) linuxPackages_latest);
linuxPackages_latest_xen_dom0 = recurseIntoAttrs (linuxPackagesFor (pkgs.linux_latest.override { features.xen_dom0=true; }));
# Grsecurity packages
@ -11044,8 +11044,7 @@ in
};
linuxPackages_grsec_nixos =
let self = linuxPackagesFor linux_grsec_nixos self;
in recurseIntoAttrs self;
recurseIntoAttrs (linuxPackagesFor linux_grsec_nixos);
# An unsupported grsec xen guest kernel
linux_grsec_server_xen = linux_grsec_nixos.override {
@ -11059,9 +11058,9 @@ in
};
# ChromiumOS kernels
linuxPackages_chromiumos_3_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_chromiumos_3_14 linuxPackages_chromiumos_3_14);
linuxPackages_chromiumos_3_18 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_chromiumos_3_18 linuxPackages_chromiumos_3_18);
linuxPackages_chromiumos_latest = recurseIntoAttrs (linuxPackagesFor pkgs.linux_chromiumos_latest linuxPackages_chromiumos_latest);
linuxPackages_chromiumos_3_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_chromiumos_3_14);
linuxPackages_chromiumos_3_18 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_chromiumos_3_18);
linuxPackages_chromiumos_latest = recurseIntoAttrs (linuxPackagesFor pkgs.linux_chromiumos_latest);
# A function to build a manually-configured kernel
linuxManualConfig = pkgs.buildLinux;