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Merge pull request #80114 from rnhmjoj/initrd

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nixos/boot: add option to disable initrd
This commit is contained in:
Danylo Hlynskyi 2020-03-16 20:04:24 +02:00 • committed by GitHub
commit fab05f17d1
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2 changed files with 128 additions and 112 deletions
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41
nixos/modules/system/boot/kernel.nix
View file

@ -192,22 +192,8 @@ in
###### implementation ###### implementation
config = mkIf (!config.boot.isContainer) { config = mkMerge
[ (mkIf config.boot.initrd.enable {
system.build = { inherit kernel; };
system.modulesTree = [ kernel ] ++ config.boot.extraModulePackages;
# Implement consoleLogLevel both in early boot and using sysctl
# (so you don't need to reboot to have changes take effect).
boot.kernelParams =
[ "loglevel=${toString config.boot.consoleLogLevel}" ] ++
optionals config.boot.vesa [ "vga=0x317" "nomodeset" ];
boot.kernel.sysctl."kernel.printk" = mkDefault config.boot.consoleLogLevel;
boot.kernelModules = [ "loop" "atkbd" ];
boot.initrd.availableKernelModules = boot.initrd.availableKernelModules =
[ # Note: most of these (especially the SATA/PATA modules) [ # Note: most of these (especially the SATA/PATA modules)
# shouldn't be included by default since nixos-generate-config # shouldn't be included by default since nixos-generate-config
@ -255,6 +241,22 @@ in
[ # For LVM. [ # For LVM.
"dm_mod" "dm_mod"
]; ];
})
(mkIf (!config.boot.isContainer) {
system.build = { inherit kernel; };
system.modulesTree = [ kernel ] ++ config.boot.extraModulePackages;
# Implement consoleLogLevel both in early boot and using sysctl
# (so you don't need to reboot to have changes take effect).
boot.kernelParams =
[ "loglevel=${toString config.boot.consoleLogLevel}" ] ++
optionals config.boot.vesa [ "vga=0x317" "nomodeset" ];
boot.kernel.sysctl."kernel.printk" = mkDefault config.boot.consoleLogLevel;
boot.kernelModules = [ "loop" "atkbd" ];
# The Linux kernel >= 2.6.27 provides firmware. # The Linux kernel >= 2.6.27 provides firmware.
hardware.firmware = [ kernel ]; hardware.firmware = [ kernel ];
@ -313,7 +315,8 @@ in
}; };
# The config options that all modules can depend upon # The config options that all modules can depend upon
system.requiredKernelConfig = with config.lib.kernelConfig; [ system.requiredKernelConfig = with config.lib.kernelConfig;
[
# !!! Should this really be needed? # !!! Should this really be needed?
(isYes "MODULES") (isYes "MODULES")
(isYes "BINFMT_ELF") (isYes "BINFMT_ELF")
@ -325,6 +328,8 @@ in
{ assertion = attrs.assertion cfg; inherit (attrs) message; } { assertion = attrs.assertion cfg; inherit (attrs) message; }
) config.system.requiredKernelConfig; ) config.system.requiredKernelConfig;
}; })
];
} }

13
nixos/modules/system/boot/stage-1.nix
View file

@ -390,6 +390,17 @@ in
''; '';
}; };
boot.initrd.enable = mkOption {
type = types.bool;
default = !config.boot.isContainer;
defaultText = "!config.boot.isContainer";
description = ''
Whether to enable the NixOS initial RAM disk (initrd). This may be
needed to perform some initialisation tasks (like mounting
network/encrypted file systems) before continuing the boot process.
'';
};
boot.initrd.prepend = mkOption { boot.initrd.prepend = mkOption {
default = [ ]; default = [ ];
type = types.listOf types.str; type = types.listOf types.str;
@ -555,7 +566,7 @@ in
}; };
config = mkIf (!config.boot.isContainer) { config = mkIf config.boot.initrd.enable {
assertions = [ assertions = [
{ assertion = any (fs: fs.mountPoint == "/") fileSystems; { assertion = any (fs: fs.mountPoint == "/") fileSystems;
message = "The ‘fileSystems’ option does not specify your root file system."; message = "The ‘fileSystems’ option does not specify your root file system.";