mirror of
https://github.com/aviallon/nixos-lib.git
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35 lines
1 KiB
Nix
35 lines
1 KiB
Nix
{config, pkgs, lib, ...}:
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with lib;
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let
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generalCfg = config.aviallon.general;
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cpuIsZen = ! isNull (builtins.match "znver[0-9]" generalCfg.cpuArch);
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in {
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config = mkIf (generalCfg.cpuVendor == "amd") {
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boot.kernel.sysctl = {
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# Why: https://www.phoronix.com/news/Ryzen-Segv-Response
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# Workaround: https://forums.gentoo.org/viewtopic-p-2605135.html#2605135
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"kernel.randomize_va_space" = mkIf (generalCfg.cpuArch == "znver1" ) (warn "Disable Adress Space Layout Randomization on Ryzen 1 CPU" 0);
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};
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aviallon.boot.cmdline = {
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"amd_pstate" = "passive";
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} // optionalAttrs (generalCfg.cpuArch == "znver2") {
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# Required for Zen 2
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"amd_pstate.shared_memory" = 1;
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};
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boot.extraModulePackages = with config.boot.kernelPackages; []
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++ optional cpuIsZen (info "enable zenpower for Ryzen CPU" zenpower)
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;
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boot.kernelModules = []
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++ optional cpuIsZen "zenpower"
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;
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boot.blacklistedKernelModules = []
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++ optional cpuIsZen "k10-temp" # Superseded by zenpower
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;
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};
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}
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