34 lines
956 B
Nix
34 lines
956 B
Nix
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{lib, ...}: let
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inherit (lib.kernel) yes no;
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inherit (lib.attrsets) mapAttrs;
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inherit (lib.modules) mkForce;
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in {
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boot.kernelPatches = [
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{
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# recompile with AMD platform specific optimizations
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name = "amd-platform-patches";
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patch = null; # no patch is needed, just apply the options
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extraStructuredConfig = mapAttrs (_: mkForce) {
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# enable compiler optimizations for AMD
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MNATIVE_AMD = yes;
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X86_USE_PPRO_CHECKSUM = yes;
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X86_AMD_PSTATE = yes;
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X86_EXTENDED_PLATFORM = no; # disable support for other x86 platforms
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X86_MCE_INTEL = no; # disable support for intel mce
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# multigen LRU
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LRU_GEN = yes;
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LRU_GEN_ENABLED = yes;
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# collect CPU frequency statistics
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CPU_FREQ_STAT = yes;
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# Optimized for performance
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# this is already set on the Xanmod kernel
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# CC_OPTIMIZE_FOR_PERFORMANCE_O3 = yes;
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};
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}
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];
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}
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