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microcode updates: prepend first in initrd

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Prevents crashing the kernel on boot if other blobs are prepended
before the microkernel update image.

Fixes #22674.
This commit is contained in:
Franz Pletz 2017-02-27 17:12:33 +01:00
parent 2edb8ffa14
commit bccac381b2
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2 changed files with 4 additions and 2 deletions
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3
nixos/modules/hardware/cpu/amd-microcode.nix
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@ -22,7 +22,8 @@ with lib;
###### implementation
config = mkIf config.hardware.cpu.amd.updateMicrocode {
boot.initrd.prepend = [ "${pkgs.microcodeAmd}/amd-ucode.img" ];
# Microcode updates must be the first item prepended in the initrd
boot.initrd.prepend = mkOrder 1 [ "${pkgs.microcodeAmd}/amd-ucode.img" ];
};
}