forked from mirrors/nixpkgs
692 lines
24 KiB
Nix
692 lines
24 KiB
Nix
# WARNING/NOTE: whenever you want to add an option here you need to either
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# * mark it as an optional one with `option`,
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# * or make sure it works for all the versions in nixpkgs,
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# * or check for which kernel versions it will work (using kernel
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# changelog, google or whatever) and mark it with `whenOlder` or
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# `whenAtLeast`.
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# Then do test your change by building all the kernels (or at least
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# their configs) in Nixpkgs or else you will guarantee lots and lots
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# of pain to users trying to switch to an older kernel because of some
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# hardware problems with a new one.
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# Configuration
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{ stdenv, version
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# to let user override values, aka converting modules to included and vice-versa
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, mkValueOverride ? null
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# new extraConfig as a flattened set
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, structuredExtraConfig ? {}
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# legacy extraConfig as string
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, extraConfig ? ""
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, features ? { grsecurity = false; xen_dom0 = false; }
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}:
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assert (mkValueOverride == null) || (builtins.isFunction mkValueOverride);
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with stdenv.lib;
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with import ../../../../lib/kernel.nix { inherit (stdenv) lib; inherit version; };
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let
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# configuration items have to be part of a subattrs
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flattenKConf = nested: mapAttrs (_: head) (zipAttrs (attrValues nested));
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options = {
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debug = {
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DEBUG_INFO = if (features.debug or false) then yes else no;
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DEBUG_KERNEL = yes;
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DEBUG_DEVRES = no;
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DYNAMIC_DEBUG = yes;
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TIMER_STATS = whenOlder "4.11" yes;
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DEBUG_NX_TEST = whenOlder "4.11" no;
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CPU_NOTIFIER_ERROR_INJECT = whenOlder "4.4" (option no);
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DEBUG_STACK_USAGE = no;
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DEBUG_STACKOVERFLOW = when (!features.grsecurity) no;
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RCU_TORTURE_TEST = no;
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SCHEDSTATS = no;
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DETECT_HUNG_TASK = yes;
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CRASH_DUMP = option no;
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# Easier debugging of NFS issues.
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SUNRPC_DEBUG = yes;
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};
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power-management = {
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PM_ADVANCED_DEBUG = yes;
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X86_INTEL_LPSS = yes;
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X86_INTEL_PSTATE = yes;
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INTEL_IDLE = yes;
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CPU_FREQ_DEFAULT_GOV_PERFORMANCE = yes;
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CPU_FREQ_GOV_SCHEDUTIL = whenAtLeast "4.9" yes;
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PM_WAKELOCKS = yes;
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};
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external-firmware = {
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# Support drivers that need external firmware.
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STANDALONE = no;
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};
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proc-config-gz = {
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# Make /proc/config.gz available
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IKCONFIG = yes;
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IKCONFIG_PROC = yes;
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};
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optimization = {
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# Optimize with -O2, not -Os
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CC_OPTIMIZE_FOR_SIZE = no;
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};
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memtest = {
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MEMTEST = yes;
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};
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# Include the CFQ I/O scheduler in the kernel, rather than as a
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# module, so that the initrd gets a good I/O scheduler.
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scheduler = {
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IOSCHED_CFQ = yes;
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BLK_CGROUP = yes; # required by CFQ"
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IOSCHED_DEADLINE = yes;
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MQ_IOSCHED_DEADLINE = whenAtLeast "4.11" yes;
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BFQ_GROUP_IOSCHED = whenAtLeast "4.12" yes;
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MQ_IOSCHED_KYBER = whenAtLeast "4.12" yes;
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IOSCHED_BFQ = whenAtLeast "4.12" module;
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};
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# Enable NUMA.
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numa = {
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NUMA = option yes;
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};
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networking = {
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NET = yes;
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IP_PNP = no;
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NETFILTER = yes;
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NETFILTER_ADVANCED = yes;
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IP_VS_PROTO_TCP = yes;
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IP_VS_PROTO_UDP = yes;
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IP_VS_PROTO_ESP = yes;
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IP_VS_PROTO_AH = yes;
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IP_DCCP_CCID3 = no; # experimental
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CLS_U32_PERF = yes;
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CLS_U32_MARK = yes;
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BPF_JIT = when (stdenv.hostPlatform.system == "x86_64-linux") yes;
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WAN = yes;
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# Required by systemd per-cgroup firewalling
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CGROUP_BPF = option yes;
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CGROUP_NET_PRIO = yes; # Required by systemd
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IP_ROUTE_VERBOSE = yes;
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IP_MROUTE_MULTIPLE_TABLES = yes;
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IP_MULTICAST = yes;
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IPV6_ROUTER_PREF = yes;
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IPV6_ROUTE_INFO = yes;
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IPV6_OPTIMISTIC_DAD = yes;
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IPV6_MULTIPLE_TABLES = yes;
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IPV6_SUBTREES = yes;
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IPV6_MROUTE = yes;
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IPV6_MROUTE_MULTIPLE_TABLES = yes;
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IPV6_PIMSM_V2 = yes;
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IPV6_FOU_TUNNEL = whenAtLeast "4.7" module;
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NET_CLS_BPF = whenAtLeast "4.4" module;
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NET_ACT_BPF = whenAtLeast "4.4" module;
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L2TP_V3 = yes;
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L2TP_IP = module;
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L2TP_ETH = module;
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BRIDGE_VLAN_FILTERING = yes;
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BONDING = module;
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NET_L3_MASTER_DEV = option yes;
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NET_FOU_IP_TUNNELS = option yes;
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IP_NF_TARGET_REDIRECT = module;
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PPP_MULTILINK = yes; # PPP multilink support
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PPP_FILTER = yes;
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# needed for iwd WPS support (wpa_supplicant replacement)
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KEY_DH_OPERATIONS = whenAtLeast "4.7" yes;
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# needed for nftables
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NF_TABLES_INET = whenAtLeast "4.17" yes;
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NF_TABLES_NETDEV = whenAtLeast "4.17" yes;
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NF_TABLES_IPV4 = whenAtLeast "4.17" yes;
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NF_TABLES_ARP = whenAtLeast "4.17" yes;
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NF_TABLES_IPV6 = whenAtLeast "4.17" yes;
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NF_TABLES_BRIDGE = whenAtLeast "4.17" yes;
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};
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wireless = {
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CFG80211_WEXT = option yes; # Without it, ipw2200 drivers don't build
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IPW2100_MONITOR = option yes; # support promiscuous mode
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IPW2200_MONITOR = option yes; # support promiscuous mode
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HOSTAP_FIRMWARE = option yes; # Support downloading firmware images with Host AP driver
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HOSTAP_FIRMWARE_NVRAM = option yes;
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ATH9K_PCI = option yes; # Detect Atheros AR9xxx cards on PCI(e) bus
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ATH9K_AHB = option yes; # Ditto, AHB bus
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B43_PHY_HT = option yes;
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BCMA_HOST_PCI = option yes;
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};
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fb = {
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FB = yes;
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FB_EFI = yes;
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FB_NVIDIA_I2C = yes; # Enable DDC Support
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FB_RIVA_I2C = yes;
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FB_ATY_CT = yes; # Mach64 CT/VT/GT/LT (incl. 3D RAGE) support
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FB_ATY_GX = yes; # Mach64 GX support
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FB_SAVAGE_I2C = yes;
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FB_SAVAGE_ACCEL = yes;
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FB_SIS_300 = yes;
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FB_SIS_315 = yes;
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FB_3DFX_ACCEL = yes;
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FB_VESA = yes;
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FRAMEBUFFER_CONSOLE = yes;
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FRAMEBUFFER_CONSOLE_ROTATION = yes;
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FB_GEODE = when (stdenv.hostPlatform.system == "i686-linux") yes;
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};
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video = {
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# Enable KMS for devices whose X.org driver supports it
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DRM_I915_KMS = whenOlder "4.3" yes;
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# Allow specifying custom EDID on the kernel command line
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DRM_LOAD_EDID_FIRMWARE = yes;
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VGA_SWITCHEROO = yes; # Hybrid graphics support
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DRM_GMA600 = yes;
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DRM_GMA3600 = yes;
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# necessary for amdgpu polaris support
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DRM_AMD_POWERPLAY = whenBetween "4.5" "4.9" yes;
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# (experimental) amdgpu support for verde and newer chipsets
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DRM_AMDGPU_SI = whenAtLeast "4.9" yes;
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# (stable) amdgpu support for bonaire and newer chipsets
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DRM_AMDGPU_CIK = whenAtLeast "4.9" yes;
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} // optionalAttrs (stdenv.hostPlatform.system == "x86_64-linux") {
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# Intel GVT-g graphics virtualization supports 64-bit only
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DRM_I915_GVT = whenAtLeast "4.16" yes;
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DRM_I915_GVT_KVMGT = whenAtLeast "4.16" module;
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};
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sound = {
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SND_DYNAMIC_MINORS = yes;
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SND_AC97_POWER_SAVE = yes; # AC97 Power-Saving Mode
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SND_HDA_INPUT_BEEP = yes; # Support digital beep via input layer
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SND_HDA_RECONFIG = yes; # Support reconfiguration of jack functions
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# Support configuring jack functions via fw mechanism at boot
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SND_HDA_PATCH_LOADER = yes;
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SND_USB_CAIAQ_INPUT = yes;
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# Enable PSS mixer (Beethoven ADSP-16 and other compatible)
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PSS_MIXER = whenOlder "4.12" yes;
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};
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usb-serial = {
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USB_SERIAL_GENERIC = yes; # USB Generic Serial Driver
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} // optionalAttrs (versionOlder version "4.16") {
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# Include firmware for various USB serial devices.
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# Only applicable for kernels below 4.16, after that no firmware is shipped in the kernel tree.
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USB_SERIAL_KEYSPAN_MPR = yes;
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USB_SERIAL_KEYSPAN_USA28 = yes;
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USB_SERIAL_KEYSPAN_USA28X = yes;
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USB_SERIAL_KEYSPAN_USA28XA = yes;
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USB_SERIAL_KEYSPAN_USA28XB = yes;
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USB_SERIAL_KEYSPAN_USA19 = yes;
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USB_SERIAL_KEYSPAN_USA18X = yes;
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USB_SERIAL_KEYSPAN_USA19W = yes;
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USB_SERIAL_KEYSPAN_USA19QW = yes;
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USB_SERIAL_KEYSPAN_USA19QI = yes;
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USB_SERIAL_KEYSPAN_USA49W = yes;
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USB_SERIAL_KEYSPAN_USA49WLC = yes;
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};
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usb = {
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USB_DEBUG = option (whenOlder "4.18" no);
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USB_EHCI_ROOT_HUB_TT = yes; # Root Hub Transaction Translators
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USB_EHCI_TT_NEWSCHED = yes; # Improved transaction translator scheduling
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};
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# Filesystem options - in particular, enable extended attributes and
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# ACLs for all filesystems that support them.
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filesystem = {
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FANOTIFY = yes;
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TMPFS = yes;
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TMPFS_POSIX_ACL = yes;
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FS_ENCRYPTION = option (whenAtLeast "4.9" module);
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EXT2_FS_XATTR = yes;
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EXT2_FS_POSIX_ACL = yes;
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EXT2_FS_SECURITY = yes;
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EXT2_FS_XIP = whenOlder "4.0" yes; # Ext2 execute in place support
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EXT3_FS_POSIX_ACL = yes;
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EXT3_FS_SECURITY = yes;
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EXT4_FS_POSIX_ACL = yes;
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EXT4_FS_SECURITY = yes;
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EXT4_ENCRYPTION = option ((if (versionOlder version "4.8") then module else yes));
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REISERFS_FS_XATTR = option yes;
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REISERFS_FS_POSIX_ACL = option yes;
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REISERFS_FS_SECURITY = option yes;
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JFS_POSIX_ACL = option yes;
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JFS_SECURITY = option yes;
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XFS_QUOTA = option yes;
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XFS_POSIX_ACL = option yes;
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XFS_RT = option yes; # XFS Realtime subvolume support
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OCFS2_DEBUG_MASKLOG = option no;
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BTRFS_FS_POSIX_ACL = yes;
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UBIFS_FS_ADVANCED_COMPR = option yes;
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F2FS_FS = module;
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F2FS_FS_SECURITY = option yes;
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F2FS_FS_ENCRYPTION = option yes;
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UDF_FS = module;
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NFSD_PNFS = whenBetween "4.0" "4.6" yes;
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NFSD_V2_ACL = yes;
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NFSD_V3 = yes;
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NFSD_V3_ACL = yes;
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NFSD_V4 = yes;
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NFSD_V4_SECURITY_LABEL = yes;
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NFS_FSCACHE = yes;
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NFS_SWAP = yes;
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NFS_V3_ACL = yes;
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NFS_V4_1 = yes; # NFSv4.1 client support
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NFS_V4_2 = yes;
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NFS_V4_SECURITY_LABEL = yes;
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CIFS_XATTR = yes;
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CIFS_POSIX = yes;
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CIFS_FSCACHE = yes;
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CIFS_STATS = whenOlder "4.19" yes;
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CIFS_WEAK_PW_HASH = yes;
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CIFS_UPCALL = yes;
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CIFS_ACL = yes;
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CIFS_DFS_UPCALL = yes;
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CIFS_SMB2 = whenOlder "4.13" yes;
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CEPH_FSCACHE = yes;
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CEPH_FS_POSIX_ACL = yes;
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SQUASHFS_FILE_DIRECT = yes;
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SQUASHFS_DECOMP_MULTI_PERCPU = yes;
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SQUASHFS_XATTR = yes;
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SQUASHFS_ZLIB = yes;
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SQUASHFS_LZO = yes;
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SQUASHFS_XZ = yes;
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SQUASHFS_LZ4 = yes;
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# Native Language Support modules, needed by some filesystems
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NLS = yes;
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NLS_DEFAULT = "utf8";
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NLS_UTF8 = module;
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NLS_CODEPAGE_437 = module; # VFAT default for the codepage= mount option
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NLS_ISO8859_1 = module; # VFAT default for the iocharset= mount option
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DEVTMPFS = yes;
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};
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security = {
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# Detect writes to read-only module pages
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DEBUG_SET_MODULE_RONX = option (whenOlder "4.11" yes);
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RANDOMIZE_BASE = option yes;
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STRICT_DEVMEM = option yes; # Filter access to /dev/mem
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SECURITY_SELINUX_BOOTPARAM_VALUE = "0"; # Disable SELinux by default
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# Prevent processes from ptracing non-children processes
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SECURITY_YAMA = option yes;
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DEVKMEM = when (!features.grsecurity) no; # Disable /dev/kmem
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USER_NS = yes; # Support for user namespaces
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SECURITY_APPARMOR = yes;
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DEFAULT_SECURITY_APPARMOR = yes;
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} // optionalAttrs (!stdenv.hostPlatform.isAarch32) {
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# Detect buffer overflows on the stack
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CC_STACKPROTECTOR_REGULAR = option (whenOlder "4.18" yes);
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};
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microcode = {
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MICROCODE = yes;
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MICROCODE_INTEL = yes;
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MICROCODE_AMD = yes;
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MICROCODE_EARLY = whenOlder "4.4" yes;
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MICROCODE_INTEL_EARLY = whenOlder "4.4" yes;
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MICROCODE_AMD_EARLY = whenOlder "4.4" yes;
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} // optionalAttrs (versionAtLeast version "4.10") {
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# Write Back Throttling
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# https://lwn.net/Articles/682582/
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# https://bugzilla.kernel.org/show_bug.cgi?id=12309#c655
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BLK_WBT = yes;
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BLK_WBT_SQ = yes;
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BLK_WBT_MQ = yes;
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};
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container = {
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NAMESPACES = option yes; # Required by 'unshare' used by 'nixos-install'
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RT_GROUP_SCHED = no;
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CGROUP_DEVICE = option yes;
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MEMCG = yes;
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MEMCG_SWAP = yes;
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DEVPTS_MULTIPLE_INSTANCES = whenOlder "4.7" yes;
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BLK_DEV_THROTTLING = yes;
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CFQ_GROUP_IOSCHED = yes;
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CGROUP_PIDS = whenAtLeast "4.3" yes;
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};
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staging = {
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# Enable staging drivers. These are somewhat experimental, but
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# they generally don't hurt.
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STAGING = yes;
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};
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proc-events = {
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# PROC_EVENTS requires that the netlink connector is not built
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# as a module. This is required by libcgroup's cgrulesengd.
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CONNECTOR = yes;
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PROC_EVENTS = yes;
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};
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tracing = {
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FTRACE = yes;
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KPROBES = yes;
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FUNCTION_TRACER = yes;
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FTRACE_SYSCALLS = yes;
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SCHED_TRACER = yes;
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STACK_TRACER = yes;
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UPROBE_EVENT = option (whenOlder "4.11" yes);
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UPROBE_EVENTS = option (whenAtLeast "4.11" yes);
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BPF_SYSCALL = whenAtLeast "4.4" yes;
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BPF_EVENTS = whenAtLeast "4.4" yes;
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FUNCTION_PROFILER = yes;
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RING_BUFFER_BENCHMARK = no;
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};
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virtualisation = {
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PARAVIRT = option yes;
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HYPERVISOR_GUEST = when (!features.grsecurity) yes;
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PARAVIRT_SPINLOCKS = option yes;
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KVM_APIC_ARCHITECTURE = whenOlder "4.8" yes;
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KVM_ASYNC_PF = yes;
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KVM_COMPAT = option (whenBetween "4.0" "4.12" yes);
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KVM_DEVICE_ASSIGNMENT = option (whenBetween "3.10" "4.12" yes);
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KVM_GENERIC_DIRTYLOG_READ_PROTECT = whenAtLeast "4.0" yes;
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KVM_GUEST = when (!features.grsecurity) yes;
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KVM_MMIO = yes;
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KVM_VFIO = yes;
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KSM = yes;
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VIRT_DRIVERS = yes;
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# We nneed 64 GB (PAE) support for Xen guest support
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HIGHMEM64G = option (when (!stdenv.is64bit) yes);
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VFIO_PCI_VGA = when stdenv.is64bit yes;
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} // optionalAttrs (stdenv.isx86_64 || stdenv.isi686) ({
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XEN = option yes;
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# XXX: why isn't this in the xen-dom0 conditional section below?
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XEN_DOM0 = option yes;
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} // optionalAttrs features.xen_dom0 {
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PCI_XEN = option yes;
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HVC_XEN = option yes;
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HVC_XEN_FRONTEND = option yes;
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XEN_SYS_HYPERVISOR = option yes;
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SWIOTLB_XEN = option yes;
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XEN_BACKEND = option yes;
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XEN_BALLOON = option yes;
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XEN_BALLOON_MEMORY_HOTPLUG = option yes;
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XEN_EFI = option yes;
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XEN_HAVE_PVMMU = option yes;
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XEN_MCE_LOG = option yes;
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XEN_PVH = option yes;
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XEN_PVHVM = option yes;
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XEN_SAVE_RESTORE = option yes;
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XEN_SCRUB_PAGES = option yes;
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XEN_SELFBALLOONING = option yes;
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XEN_STUB = option yes;
|
|
XEN_TMEM = option yes;
|
|
});
|
|
|
|
media = {
|
|
MEDIA_DIGITAL_TV_SUPPORT = yes;
|
|
MEDIA_CAMERA_SUPPORT = yes;
|
|
MEDIA_RC_SUPPORT = whenOlder "4.14" yes;
|
|
MEDIA_CONTROLLER = yes;
|
|
MEDIA_PCI_SUPPORT = yes;
|
|
MEDIA_USB_SUPPORT = yes;
|
|
MEDIA_ANALOG_TV_SUPPORT = yes;
|
|
VIDEO_STK1160_COMMON = module;
|
|
VIDEO_STK1160_AC97 = whenOlder "4.11" yes;
|
|
};
|
|
|
|
"9p" = {
|
|
# Enable the 9P cache to speed up NixOS VM tests.
|
|
"9P_FSCACHE" = option yes;
|
|
"9P_FS_POSIX_ACL" = option yes;
|
|
};
|
|
|
|
huge-page = {
|
|
TRANSPARENT_HUGEPAGE = option yes;
|
|
TRANSPARENT_HUGEPAGE_ALWAYS = option no;
|
|
TRANSPARENT_HUGEPAGE_MADVISE = option yes;
|
|
};
|
|
|
|
zram = {
|
|
ZRAM = module;
|
|
ZSWAP = option yes;
|
|
ZBUD = option yes;
|
|
ZSMALLOC = module;
|
|
};
|
|
|
|
brcmfmac = {
|
|
# Enable PCIe and USB for the brcmfmac driver
|
|
BRCMFMAC_USB = option yes;
|
|
BRCMFMAC_PCIE = option yes;
|
|
};
|
|
|
|
# Support x2APIC (which requires IRQ remapping)
|
|
x2apic = optionalAttrs (stdenv.hostPlatform.system == "x86_64-linux") {
|
|
X86_X2APIC = yes;
|
|
IRQ_REMAP = yes;
|
|
};
|
|
|
|
# Disable various self-test modules that have no use in a production system
|
|
tests = {
|
|
# This menu disables all/most of them on >= 4.16
|
|
RUNTIME_TESTING_MENU = option no;
|
|
} // optionalAttrs (versionOlder version "4.16") {
|
|
# For older kernels, painstakingly disable each symbol.
|
|
ARM_KPROBES_TEST = option no;
|
|
ASYNC_RAID6_TEST = option no;
|
|
ATOMIC64_SELFTEST = option no;
|
|
BACKTRACE_SELF_TEST = option no;
|
|
INTERVAL_TREE_TEST = option no;
|
|
PERCPU_TEST = option no;
|
|
RBTREE_TEST = option no;
|
|
TEST_BITMAP = option no;
|
|
TEST_BPF = option no;
|
|
TEST_FIRMWARE = option no;
|
|
TEST_HASH = option no;
|
|
TEST_HEXDUMP = option no;
|
|
TEST_KMOD = option no;
|
|
TEST_KSTRTOX = option no;
|
|
TEST_LIST_SORT = option no;
|
|
TEST_LKM = option no;
|
|
TEST_PARMAN = option no;
|
|
TEST_PRINTF = option no;
|
|
TEST_RHASHTABLE = option no;
|
|
TEST_SORT = option no;
|
|
TEST_STATIC_KEYS = option no;
|
|
TEST_STRING_HELPERS = option no;
|
|
TEST_UDELAY = option no;
|
|
TEST_USER_COPY = option no;
|
|
TEST_UUID = option no;
|
|
} // {
|
|
CRC32_SELFTEST = option no;
|
|
CRYPTO_TEST = option no;
|
|
EFI_TEST = option no;
|
|
GLOB_SELFTEST = option no;
|
|
DRM_DEBUG_MM_SELFTEST = option (whenOlder "4.18" no);
|
|
LNET_SELFTEST = option (whenOlder "4.18" no);
|
|
LOCK_TORTURE_TEST = option no;
|
|
MTD_TESTS = option no;
|
|
NOTIFIER_ERROR_INJECTION = option no;
|
|
RCU_PERF_TEST = option no;
|
|
RCU_TORTURE_TEST = option no;
|
|
TEST_ASYNC_DRIVER_PROBE = option no;
|
|
WW_MUTEX_SELFTEST = option no;
|
|
XZ_DEC_TEST = option no;
|
|
} // optionalAttrs (features.criu or false) ({
|
|
EXPERT = yes;
|
|
CHECKPOINT_RESTORE = yes;
|
|
} // optionalAttrs (features.criu_revert_expert or true) {
|
|
RFKILL_INPUT = option yes;
|
|
HID_PICOLCD_FB = option yes;
|
|
HID_PICOLCD_BACKLIGHT = option yes;
|
|
HID_PICOLCD_LCD = option yes;
|
|
HID_PICOLCD_LEDS = option yes;
|
|
HID_PICOLCD_CIR = option yes;
|
|
DEBUG_MEMORY_INIT = option yes;
|
|
});
|
|
|
|
misc = {
|
|
MODULE_COMPRESS = yes;
|
|
MODULE_COMPRESS_XZ = yes;
|
|
KERNEL_XZ = yes;
|
|
|
|
UNIX = yes; # Unix domain sockets.
|
|
|
|
MD = yes; # Device mapper (RAID, LVM, etc.)
|
|
|
|
# Enable initrd support.
|
|
BLK_DEV_RAM = yes;
|
|
BLK_DEV_INITRD = yes;
|
|
|
|
PM_TRACE_RTC = no; # Disable some expensive (?) features.
|
|
ACCESSIBILITY = yes; # Accessibility support
|
|
AUXDISPLAY = yes; # Auxiliary Display support
|
|
DONGLE = whenOlder "4.17" yes; # Serial dongle support
|
|
HIPPI = yes;
|
|
MTD_COMPLEX_MAPPINGS = yes; # needed for many devices
|
|
|
|
SCSI_LOWLEVEL = yes; # enable lots of SCSI devices
|
|
SCSI_LOWLEVEL_PCMCIA = yes;
|
|
SCSI_SAS_ATA = yes; # added to enable detection of hard drive
|
|
|
|
SPI = yes; # needed for many devices
|
|
SPI_MASTER = yes;
|
|
|
|
"8139TOO_8129" = yes;
|
|
"8139TOO_PIO" = no; # PIO is slower
|
|
|
|
AIC79XX_DEBUG_ENABLE = no;
|
|
AIC7XXX_DEBUG_ENABLE = no;
|
|
AIC94XX_DEBUG = no;
|
|
B43_PCMCIA = option (whenOlder "4.4" yes);
|
|
|
|
BLK_DEV_INTEGRITY = yes;
|
|
|
|
BSD_PROCESS_ACCT_V3 = yes;
|
|
|
|
BT_HCIUART_BCSP = option yes;
|
|
BT_HCIUART_H4 = option yes; # UART (H4) protocol support
|
|
BT_HCIUART_LL = option yes;
|
|
BT_RFCOMM_TTY = option yes; # RFCOMM TTY support
|
|
|
|
CLEANCACHE = option yes;
|
|
CRASH_DUMP = option no;
|
|
|
|
DVB_DYNAMIC_MINORS = option yes; # we use udev
|
|
|
|
EFI_STUB = yes; # EFI bootloader in the bzImage itself
|
|
CGROUPS = yes; # used by systemd
|
|
FHANDLE = yes; # used by systemd
|
|
SECCOMP = yes; # used by systemd >= 231
|
|
SECCOMP_FILTER = yes; # ditto
|
|
POSIX_MQUEUE = yes;
|
|
FRONTSWAP = yes;
|
|
FUSION = yes; # Fusion MPT device support
|
|
IDE = no; # deprecated IDE support
|
|
IDLE_PAGE_TRACKING = yes;
|
|
IRDA_ULTRA = whenOlder "4.17" yes; # Ultra (connectionless) protocol
|
|
|
|
JOYSTICK_IFORCE_232 = option yes; # I-Force Serial joysticks and wheels
|
|
JOYSTICK_IFORCE_USB = option yes; # I-Force USB joysticks and wheels
|
|
JOYSTICK_XPAD_FF = option yes; # X-Box gamepad rumble support
|
|
JOYSTICK_XPAD_LEDS = option yes; # LED Support for Xbox360 controller 'BigX' LED
|
|
|
|
KEXEC_FILE = option yes;
|
|
KEXEC_JUMP = option yes;
|
|
|
|
# Windows Logical Disk Manager (Dynamic Disk) support
|
|
LDM_PARTITION = yes;
|
|
LOGIRUMBLEPAD2_FF = yes; # Logitech Rumblepad 2 force feedback
|
|
LOGO = no; # not needed
|
|
MEDIA_ATTACH = yes;
|
|
MEGARAID_NEWGEN = yes;
|
|
|
|
MLX4_EN_VXLAN = whenOlder "4.8" yes;
|
|
|
|
MODVERSIONS = whenOlder "4.9" yes;
|
|
MOUSE_PS2_ELANTECH = yes; # Elantech PS/2 protocol extension
|
|
MTRR_SANITIZER = yes;
|
|
NET_FC = yes; # Fibre Channel driver support
|
|
# GPIO on Intel Bay Trail, for some Chromebook internal eMMC disks
|
|
PINCTRL_BAYTRAIL = yes;
|
|
# 8 is default. Modern gpt tables on eMMC may go far beyond 8.
|
|
MMC_BLOCK_MINORS = "32";
|
|
|
|
REGULATOR = yes; # Voltage and Current Regulator Support
|
|
RC_DEVICES = option yes; # Enable IR devices
|
|
|
|
RT2800USB_RT53XX = yes;
|
|
RT2800USB_RT55XX = yes;
|
|
|
|
SCHED_AUTOGROUP = yes;
|
|
CFS_BANDWIDTH = yes;
|
|
|
|
SCSI_LOGGING = yes; # SCSI logging facility
|
|
SERIAL_8250 = yes; # 8250/16550 and compatible serial support
|
|
|
|
SLIP_COMPRESSED = yes; # CSLIP compressed headers
|
|
SLIP_SMART = yes;
|
|
|
|
HWMON = yes;
|
|
THERMAL_HWMON = yes; # Hardware monitoring support
|
|
UEVENT_HELPER = no;
|
|
|
|
USERFAULTFD = yes;
|
|
X86_CHECK_BIOS_CORRUPTION = yes;
|
|
X86_MCE = yes;
|
|
|
|
# Our initrd init uses shebang scripts, so can't be modular.
|
|
BINFMT_SCRIPT = yes;
|
|
# For systemd-binfmt
|
|
BINFMT_MISC = option yes;
|
|
|
|
# Disable the firmware helper fallback, udev doesn't implement it any more
|
|
FW_LOADER_USER_HELPER_FALLBACK = option no;
|
|
|
|
HOTPLUG_PCI_ACPI = yes; # PCI hotplug using ACPI
|
|
HOTPLUG_PCI_PCIE = yes; # PCI-Expresscard hotplug support
|
|
|
|
} // optionalAttrs (stdenv.hostPlatform.system == "x86_64-linux" || stdenv.hostPlatform.system == "aarch64-linux") {
|
|
# Bump the maximum number of CPUs to support systems like EC2 x1.*
|
|
# instances and Xeon Phi.
|
|
NR_CPUS = "384";
|
|
};
|
|
};
|
|
in (generateNixKConf ((flattenKConf options) // structuredExtraConfig) mkValueOverride) + extraConfig
|