flakes/packages/linux-lava/default.nix

115 lines
3.1 KiB
Nix

{ buildLinux
, callPackage
, inputs
, lib
, linuxLavaEnv
, useCcache ? false
, ...
} @ args:
let
sources = callPackage ./sources.nix { inherit inputs; };
kernel = buildLinux (args // {
inherit (sources) src kernelPatches;
stdenv = if useCcache then linuxLavaEnv.ccacheStdenv else linuxLavaEnv.stdenv;
version = "${sources.version}-tkg-Lava";
isZen = true;
extraMakeFlags = [ "LLVM=1" "LLVM_IAS=1" ];
# TODO:
# some stuff is set in pkgs/os-specific/linux/kernel/common-config.nix
# but i have no idea how to change it
structuredExtraConfig = with lib.kernel; builtins.mapAttrs (_: value: lib.mkForce value) {
LOCALVERSION = freeform "-tkg-Lava";
ZENIFY = yes;
WINESYNC = module;
#tkg defaults
DYNAMIC_FAULT = no;
DEFAULT_FQ_CODEL = no;
WERROR = no;
NTP_PPS = no;
ZSWAP_COMPRESSOR_DEFAULT_LZO = no;
PROFILE_ALL_BRANCHES = no;
CRYPTO_LZ4 = yes;
CRYPTO_LZ4HC = yes;
LZ4_COMPRESS = yes;
LZ4HC_COMPRESS = yes;
ZSWAP_COMPRESSOR_DEFAULT_LZ4 = yes;
DEBUG_FORCE_FUNCTION_ALIGN_64B = no;
X86_P6_NOP = no;
RCU_STRICT_GRACE_PERIOD = no;
ZSWAP_COMPRESSOR_DEFAULT = freeform "lz4";
CPU_FREQ_DEFAULT_GOV_SCHEDUTIL = yes;
CPU_FREQ_DEFAULT_GOV_ONDEMAND = no;
CPU_FREQ_DEFAULT_GOV_CONSERVATIVE = no;
CPU_FREQ_DEFAULT_GOV_PERFORMANCE = no;
CPU_FREQ_DEFAULT_GOV_PERFORMANCE_NODEF = no;
BLK_DEV_LOOP = module;
I2C_NCT6775 = module; # openrgb
# clang/llvm
LTO_CLANG_FULL = no;
LTO_CLANG_THIN = yes;
LTO_NONE = no;
KCSAN = no;
INIT_ON_FREE_DEFAULT_ON = yes;
INIT_STACK_ALL_ZERO = yes;
INIT_STACK_NONE = no;
# bore
SCHED_BORE = yes;
MIN_BASE_SLICE_NS = freeform "2000000";
# tickless timers
HZ_PERIODIC = no;
NO_HZ = yes;
NO_HZ_COMMON = yes;
NO_HZ_FULL = yes;
NO_HZ_FULL_NODEF = yes;
NO_HZ_IDLE = no;
TICK_CPU_ACCOUNTING = no;
VIRT_CPU_ACCOUNTING_GEN = yes;
CONTEXT_TRACKING = yes;
CONTEXT_TRACKING_FORCE = no;
HZ_1000 = yes;
HZ_1000_NODEF = yes;
# preempt
PREEMPT = yes;
PREEMPT_COUNT = yes;
PREEMPT_VOLUNTARY = no;
PREEMPTION = yes;
PREEMPT_DYNAMIC = yes;
# disable numa
NUMA = no;
AMD_NUMA = no;
ACPI_NUMA = no;
X86_64_ACPI_NUMA = no;
NODES_SPAN_OTHER_NODES = no;
NUMA_EMU = no;
NODES_SHIFT = no;
NEED_MULTIPLE_NODES = no;
USE_PERCPU_NUMA_NODE_ID = no;
# disable ftrace
FUNCTION_TRACER = no;
FUNCTION_GRAPH_TRACER = no;
# disable misc debugging
SLUB_DEBUG = no;
PM_DEBUG = no;
PM_ADVANCED_DEBUG = no;
PM_SLEEP_DEBUG = no;
ACPI_DEBUG = no;
SCHED_DEBUG = no;
LATENCYTOP = no;
DEBUG_PREEMPT = no;
};
ignoreConfigErrors = true;
} // (args.argsOverride or {}));
in kernel.overrideAttrs(old: {
# :sob: see https://github.com/NixOS/nixpkgs/issues/37249
passthru = kernel.passthru;
hardeningDisable = (old.hardeningDisable or []) ++ [ "strictoverflow" ];
})