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[Boot/Kernel] Linux kernel arch optimizations and kvdo remove (now upstream).

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Add hardware-specific compile option to kernel build if aviallon.general.cpuArch is set
This commit is contained in:
Antoine Viallon 2022-10-04 22:29:05 +02:00
parent 173cd78a2f
commit c4ce50500e
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
1 changed files with 42 additions and 17 deletions
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59
boot.nix
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@ -9,18 +9,45 @@ let
X86_X32 y
'';
};
grayskyUarches = {
name = "graysky-optimized-5.10";
patch = pkgs.fetchpatch {
name = "graysky-optimized-5.10.patch";
url = "https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/master/more-uarches-for-kernel-5.8-5.14.patch";
#url = "https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/master/more-uarches-for-kernel-5.15%2B.patch"
sha256 = "sha256:079f1gvgj7k1irj25k6bc1dgnihhmxvcwqwbgmvrdn14f7kh8qb3";
};
extraConfig = ''
MK10 y
'';
optimizeForCPUArch = arch: let
archConfigMap = {
"k8" = "K8"; "opteron" = "K8"; "athlon64" = "K8"; "athlon-fx" = "K8";
"k8-sse3" = "K8SSE3"; "opteron-sse3" = "K8SSE3"; "athlon64-sse3" = "K8SSE3";
"znver1" = "ZEN"; "znver2" = "ZEN2"; "znver3" = "ZEN3";
"bdver1" = "BULLDOZER"; "bdver2" = "PILEDRIVER"; "bdver3" = "STEAMROLLER"; "bdver4" = "EXCAVATOR";
"barcelona" = "BARCELONA"; "amdfam10" = "BARCELONA";
"btver1" = "BOBCAT"; "btver2" = "JAGUAR";
"rocketlake" = "ROCKETLAKE"; "alderlake" = "ALDERLAKE";
"sapphirerapids" = "SAPPHIRERAPIDS"; "tigerlake" = "TIGERLAKE"; "cooperlake" = "COOPERLAKE";
"cascadelake" = "CASCADELAKE"; "icelake-server" = "ICELAKE"; "icelake-client" = "ICELAKE";
"cannonlake" = "CANNONLAKE"; "skylake-avx512" = "SKYLAKEX";
"tremont" = "GOLDMONTPLUS"; "goldmont-plus" = "GOLDMONTPLUS"; "goldmont" = "GOLDMONT";
"silvermont" = "SILVERMONT"; "bonnel" = "GENERIC_CPU"; "skylake" = "SKYLAKE";
"broadwell" = "BROADWELL"; "haswell" = "HASWELL";
"ivybridge" = "IVYBRIDGE"; "sandybridge" = "SANDYBRIDGE";
"westmere" = "WESTMERE"; "nehalem" = "NEHALEM";
"core2" = "CORE2";
"nocona" = "PSC"; "prescott" = "PSC"; "pentium4m" = "PSC"; "pentium4" = "PSC";
"nano-3000" = "GENERIC_CPU2"; "nano-x2" = "GENERIC_CPU2"; "nano-x4" = "GENERIC_CPU2";
"lujiazui" = "GENERIC_CPU2";
"native" = "NATIVE_INTEL"; "x86-64-v2" = "GENERIC_CPU2"; "x86-64-v3" = "GENERIC_CPU3"; "x86-64-v4" = "GENERIC_CPU4";
};
archToConfig = arch:
if (hasAttr arch archConfigMap) then archConfigMap."${arch}"
else trace "Warning: '${arch}' not recognized, building for generic CPU" "GENERIC_CPU"
;
in {
name = "optimize-for-${arch}";
patch = null;
extraConfig = ''
M${archToConfig arch} y
'';
};
};
toCmdlineValue = v: if (isBool v) then (if v then "y" else "n")
@ -115,12 +142,10 @@ in
initrd.kernelModules = [ ];
initrd.availableKernelModules = [ "ehci_pci" ];
kernelPatches = concatLists [
(optional cfg.x32abi.enable customKernelPatches.enableX32ABI)
];
extraModulePackages = concatLists [
(optional cfg.kvdo.enable pkgs.kvdo)
];
kernelPatches = []
++ optional cfg.x32abi.enable customKernelPatches.enableX32ABI
++ optional config.aviallon.overlays.optimizations (customKernelPatches.optimizeForCPUArch config.aviallon.general.cpuArch)
;
loader.grub.enable = cfg.useGrub;
loader.grub = {