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Merge pull request #221050 from Luflosi/nixos-generate-config-microcode-condition

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nixos-generate-config: update microcode only on bare metal
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Artturi 2023-03-13 22:56:28 +02:00 committed by GitHub
commit 9d18216aa3
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1 changed files with 8 additions and 7 deletions
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15
nixos/modules/installer/tools/nixos-generate-config.pl
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@ -127,9 +127,6 @@ if (-e "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors") {
push @kernelModules, "kvm-intel" if hasCPUFeature "vmx";
push @kernelModules, "kvm-amd" if hasCPUFeature "svm";
push @attrs, "hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;" if cpuManufacturer "AuthenticAMD";
push @attrs, "hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;" if cpuManufacturer "GenuineIntel";
# Look at the PCI devices and add necessary modules. Note that most
# modules are auto-detected so we don't need to list them here.
@ -324,11 +321,15 @@ if ($virt eq "systemd-nspawn") {
}
# Provide firmware for devices that are not detected by this script,
# unless we're in a VM/container.
push @imports, "(modulesPath + \"/installer/scan/not-detected.nix\")"
if $virt eq "none";
# Check if we're on bare metal, not in a VM/container.
if ($virt eq "none") {
# Provide firmware for devices that are not detected by this script.
push @imports, "(modulesPath + \"/installer/scan/not-detected.nix\")";
# Update the microcode.
push @attrs, "hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;" if cpuManufacturer "AuthenticAMD";
push @attrs, "hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;" if cpuManufacturer "GenuineIntel";
}
# For a device name like /dev/sda1, find a more stable path like
# /dev/disk/by-uuid/X or /dev/disk/by-label/Y.