# Maintainer: Peter Jung ptr1337 && Piotr Gorski # Contributor: Jan Alexander Steffens (heftig) # Contributor: Tobias Powalowski # Contributor: Thomas Baechler ### Selecting CachyOS config # ATTENTION - one of two predefined values should be selected! # 'yes' - enable CachyOS config # 'no' - disable CachyOS config _cachy_config=${_cachy_config-'yes'} ### Selecting the CPU scheduler # ATTENTION - one of seven predefined values should be selected! # 'bmq' - select 'BitMap Queue CPU scheduler' # 'pds' - select 'Priority and Deadline based Skip list multiple queue CPU scheduler' # 'cacule' - select 'CacULE scheduler' # 'cacule-rdb' - select 'CacULE-RDB scheduler' # 'bore' - select 'Burst-Oriented Response Enhancer' # 'cfs' - select 'Completely Fair Scheduler' # 'tt' - select 'Task Type Scheduler by Hamad Marri' # 'hardened' - select 'BORE Scheduler hardened' ## kernel with hardened config and hardening patches with the bore scheduler _cpusched=${_cpusched-'cacule'} ## Apply some suggested sysctl values from the bore developer ## These are adjusted to BORE _tune_bore=${_tune_bore-} ### BUILD OPTIONS # Set these variables to ANYTHING that is not null to enable them ### Tweak kernel options prior to a build via nconfig _makenconfig=${_makenconfig-} ### Tweak kernel options prior to a build via menuconfig _makemenuconfig=${_makemenuconfig-} ### Tweak kernel options prior to a build via xconfig _makexconfig=${_makexconfig-} ### Tweak kernel options prior to a build via gconfig _makegconfig=${_makegconfig-} # NUMA is optimized for multi-socket motherboards. # A single multi-core CPU actually runs slower with NUMA enabled. # See, https://bugs.archlinux.org/task/31187 _NUMAdisable=${_NUMAdisable-} # Compile ONLY used modules to VASTLYreduce the number of modules built # and the build time. # # To keep track of which modules are needed for your specific system/hardware, # give module_db script a try: https://aur.archlinux.org/packages/modprobed-db # This PKGBUILD read the database kept if it exists # # More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db _localmodcfg=${_localmodcfg-} # Use the current kernel's .config file # Enabling this option will use the .config of the RUNNING kernel rather than # the ARCH defaults. Useful when the package gets updated and you already went # through the trouble of customizing your config options. NOT recommended when # a new kernel is released, but again, convenient for package bumps. _use_current=${_use_current-} ### Enable KBUILD_CFLAGS -O3 _cc_harder=${_cc_harder-y} ### Set this to your number of threads you have in your machine otherwise it will default to 128 _nr_cpus=${_nr_cpus-} ### Set performance governor as default _per_gov=${_per_gov-y} ### Enable TCP_CONG_BBR2 _tcp_bbr2=${_tcp_bbr2-y} ### Running with a 1000HZ, 750Hz, 600 Hz, 500Hz, 300Hz, 250Hz and 100Hz tick rate _HZ_ticks=${_HZ_ticks-1000} ## Choose between perodic, idle or full ### Full tickless can give higher performances in various cases but, depending on hardware, lower consistency. _tickrate=${_tickrate-full} ## Choose between full(low-latency), voluntary or server _preempt=${_preempt-full} ### Disable MQ-Deadline I/O scheduler _mq_deadline_disable=${_mq_deadline_disable-y} ### Disable Kyber I/O scheduler _kyber_disable=${_kyber_disable-y} ### Enable multigenerational LRU # ATTENTION - one of three predefined values should be selected! # 'standard' - enable multigenerational LRU # 'stats' - enable multigenerational LRU with stats # 'none' - disable multigenerational LRU _lru_config=${_lru_config-'standard'} ### Enable per-VMA locking # ATTENTION - one of three predefined values should be selected! # 'standard' - enable per-VMA locking # 'stats' - enable per-VMA locking with stats # 'none' - disable per-VMA locking _vma_config=${_vma_config-'none'} ### Transparent Hugepages # ATTENTION - one of two predefined values should be selected! # 'always' - always enable THP # 'madvise' - madvise, prevent applications from allocating more memory resources than necessary # More infos here: # https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/performance_tuning_guide/sect-red_hat_enterprise_linux-performance_tuning_guide-configuring_transparent_huge_pages _hugepage=${_hugepage-'always'} ## Enable DAMON _damon=${_damon-} ## Enable Linux Random Number Generator _lrng_enable=${_lrng_enable-} # CPU compiler optimizations - Defaults to prompt at kernel config if left empty # AMD CPUs : "k8" "k8sse3" "k10" "barcelona" "bobcat" "jaguar" "bulldozer" "piledriver" "steamroller" "excavator" "zen" "zen2" "zen3" # Intel CPUs : "mpsc"(P4 & older Netburst based Xeon) "atom" "core2" "nehalem" "westmere" "silvermont" "sandybridge" "ivybridge" "haswell" "broadwell" "skylake" "skylakex" "cannonlake" "icelake" "goldmont" "goldmontplus" "cascadelake" "cooperlake" "tigerlake" "sapphirerapids" "rocketlake" "alderlake" # Other options : # - "native_amd" (use compiler autodetection - Selecting your arch manually in the list above is recommended instead of this option) # - "native_intel" (use compiler autodetection and will prompt for P6_NOPS - Selecting your arch manually in the list above is recommended instead of this option) # - "generic" (kernel's default - to share the package between machines with different CPU µarch as long as they are x86-64) # # Or use the _use_auto_optimization with _use_auto_optimization=y _processor_opt=${_processor_opt-} _use_auto_optimization=${_use_auto_optimization-y} # disable debug to lower the size of the kernel _disable_debug=${_disable_debug-} ## Enable zram/zswap ZSTD compression _zstd_compression=${_zstd_compression-} ### Selecting the ZSTD kernel and modules compression level # ATTENTION - one of two predefined values should be selected! # 'ultra' - highest compression ratio # 'normal' - standard compression ratio # WARNING: the ultra settings can sometimes # be counterproductive in both size and speed. _zstd_level_value=${_zstd_level_value-'normal'} # Clang LTO mode, only available with the "llvm" compiler - options are "no", "full" or "thin". # "full: uses 1 thread for Linking, slow and uses more memory, theoretically with the highest performance gains." # "thin: uses multiple threads, faster and uses less memory, may have a lower runtime performance than Full." _use_llvm_lto=${_use_llvm_lto-} # Use suffix -lto only when requested by the user # Enabled by default. # If you do not want the suffix -lto remove the "y" sign next to the flag. # https://github.com/CachyOS/linux-cachyos/issues/36 _use_lto_suffix=${_use_lto_suffix-y} # ATTENTION!: Really experimental LTO implementation for GCC # This can improve the performance of the kernel # The performance difference is currently negligible # DEBUG and BTF needs to be disabled, otherwise the compilation is failing # The Kernel is bigger with GCC LTO due to more inlining # More informations: # https://lore.kernel.org/lkml/20221114114344.18650-1-jirislaby@kernel.org/T/#md8014ad799b02221b67f33584002d98ede6234eb _use_gcc_lto=${_use_gcc_lto-} # KCFI is a proposed forward-edge control-flow integrity scheme for # Clang, which is more suitable for kernel use than the existing CFI # scheme used by CONFIG_CFI_CLANG. kCFI doesn't require LTO, doesn't # alter function references to point to a jump table, and won't break # function address equality. # ATTENTION!: You need llvm-git or a patched llvm 15 # ATTENTION!: This is experimental, could fail to boot with nvidia _use_kcfi=${_use_kcfi-} # Build the zfs module in to the kernel _build_zfs=${_build_zfs-} # Enable bcachefs _bcachefs=${_bcachefs-} # Enable LATENCY NICE # Latency nice is a approach to sets latency-nice as a per-task attribute # It can improve the latency of applications similar to sched_nice, but focused on the latency # You need to set the values per task # Ananicy-cpp has a experimental implementation for this # It converts sched_nice to latency_nice and set this per task # You need to configure ananicy-cpp for this or use existing settings # If you want to test it, use the following branch # https://gitlab.com/ananicy-cpp/ananicy-cpp/-/tree/feature/latency-nice _latency_nice=${_latency_nice-} if [[ -n "$_use_llvm_lto" && -n "$_use_lto_suffix" ]]; then pkgsuffix=cachyos-${_cpusched}-lto pkgbase=linux-$pkgsuffix else pkgsuffix=cachyos-${_cpusched} pkgbase=linux-$pkgsuffix fi _major=6.1 _minor=6 #_minorc=$((_minor+1)) #_rcver=rc8 pkgver=${_major}.${_minor} _stable=${_major}.${_minor} #_stable=${_major} #_stablerc=${_major}-${_rcver} _srcname=linux-${_stable} #_srcname=linux-${_major} pkgdesc='Linux cacULE scheduler Kernel by CachyOS with other patches and improvements' pkgrel=1 _kernver=$pkgver-$pkgrel arch=('x86_64' 'x86_64_v3') url="https://github.com/CachyOS/linux-cachyos" license=('GPL2') options=('!strip') makedepends=('bc' 'libelf' 'pahole' 'cpio' 'perl' 'tar' 'xz' 'zstd' 'gcc' 'gcc-libs' 'glibc' 'binutils' 'make' 'patch') # LLVM makedepends if [ -n "$_use_llvm_lto" ]; then makedepends+=(clang llvm lld python) BUILD_FLAGS=( CC=clang LD=ld.lld LLVM=1 LLVM_IAS=1 ) fi # ZFS makedepends if [ -n "$_build_zfs" ]; then makedepends+=(git) fi _patchsource="https://raw.githubusercontent.com/cachyos/kernel-patches/master/${_major}" source=( "https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.xz" "config" "auto-cpu-optimization.sh" "${_patchsource}/all/0001-cachyos-base-all.patch") ## ZFS Support if [ -n "$_build_zfs" ]; then source+=("git+https://github.com/cachyos/zfs.git#commit=0b8e7ba7fb84953690e43b2aea238210d7368aa4") fi ## Latency NICE Support if [ -n "$_latency_nice" ]; then if [[ "$_cpusched" = "bore" || "$_cpusched" = "cfs" || "$_cpusched" = "hardened" ]]; then source+=("${_patchsource}/misc/0001-Add-latency-priority-for-CFS-class.patch") fi fi ## BMQ Scheduler if [ "$_cpusched" = "bmq" ]; then source+=("${_patchsource}/sched/0001-prjc-cachy.patch") fi ## PDS Scheduler if [ "$_cpusched" = "pds" ]; then source+=("${_patchsource}/sched/0001-prjc-cachy.patch") fi ## BORE Scheduler with latency_nice if [ "$_cpusched" = "bore" ]; then source+=("${_patchsource}/sched/0001-bore-cachy.patch") ## BORE SYSCTL TUNING if [ -n "$_tune_bore" ]; then source+=("${_patchsource}/misc/0001-bore-tuning-sysctl.patch") fi fi ## CacULE Scheduler if [ "$_cpusched" = "cacule" ]; then source+=("${_patchsource}/sched/0001-cacULE-cachy.patch") fi ## CacULE-RDB Scheduler if [ "$_cpusched" = "cacule-rdb" ]; then source+=("${_patchsource}/sched/0001-cacULE-cachy.patch") fi ## TT Scheduler if [ "$_cpusched" = "tt" ]; then source+=("${_patchsource}/sched/0001-tt-cachy.patch") fi ## Hardened Patches with BORE Scheduler if [ "$_cpusched" = "hardened" ]; then source+=("${_patchsource}/sched/0001-bore-cachy.patch" "${_patchsource}/misc/0001-hardened.patch") fi ## Kernel CFI Patch if [ -n "$_use_kcfi" ]; then BUILD_FLAGS=( CC=clang LD=ld.lld LLVM=1 ) fi ## bcachefs Support if [ -n "$_bcachefs" ]; then source+=("${_patchsource}/misc/0001-bcachefs.patch") fi if [ -n "$_use_gcc_lto" ]; then ## GCC-LTO Patch ## Fix for current gcc --enable-default-pie option source+=("${_patchsource}/misc/gcc-lto/0001-gcc-LTO-support-for-the-kernel.patch" "${_patchsource}/misc/gcc-lto/0002-gcc-lto-no-pie.patch") fi ## Use vma lock as an extra patch since it has some issues right now if [[ "$_vma_config" = "standard" || "$_vma_config" = "stats" ]]; then source+=("${_patchsource}/misc/0001-Introduce-per-VMA-lock.patch") fi ## lrng patchset if [ -n "$_lrng_enable" ]; then source+=("${_patchsource}/misc/0001-lrng.patch") fi export KBUILD_BUILD_HOST=cachyos export KBUILD_BUILD_USER=$pkgbase export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})" prepare() { cd ${srcdir}/$_srcname echo "Setting version..." scripts/setlocalversion --save-scmversion echo "-$pkgrel" > localversion.10-pkgrel echo "${pkgbase#linux}" > localversion.20-pkgname local src for src in "${source[@]}"; do src="${src%%::*}" src="${src##*/}" [[ $src = *.patch ]] || continue echo "Applying patch $src..." patch -Np1 < "../$src" done echo "Setting config..." cp ../config .config ### Select CPU optimization if [ -n "$_processor_opt" ]; then MARCH=$(echo $_processor_opt|tr '[:lower:]' '[:upper:]'&&echo) MARCH2=M${MARCH} scripts/config -k --disable CONFIG_GENERIC_CPU scripts/config -k --enable CONFIG_${MARCH2} fi ### Use autooptimization if [ -n "$_use_auto_optimization" ]; then "${srcdir}"/auto-cpu-optimization.sh fi ### Selecting CachyOS config if [ "$_cachy_config" = "yes" ]; then echo "Enabling CachyOS config..." scripts/config --enable CACHY elif [ "$_cachy_config" = "no" ]; then echo "Disabling CachyOS config..." scripts/config --disable CACHY else if [ -n "$_cachy_config" ]; then error "The value $_cachy_config is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Selecting CachyOS config failed!" exit fi ### Selecting the CPU scheduler if [ "$_cpusched" = "bmq" ]; then echo "Selecting BMQ CPU scheduler..." scripts/config --enable SCHED_ALT \ --enable SCHED_BMQ \ --disable SCHED_PDS elif [ "$_cpusched" = "pds" ]; then echo "Selecting PDS CPU scheduler..." scripts/config --enable SCHED_ALT \ --disable SCHED_BMQ \ --enable SCHED_PDS elif [ "$_cpusched" = "cacule" ]; then echo "Selecting CacULE scheduler..." scripts/config --enable CACULE_SCHED \ --disable CACULE_RDB elif [ "$_cpusched" = "cacule-rdb" ]; then echo "Selecting CacULE-RDB scheduler..." scripts/config --enable CACULE_SCHED \ --enable CACULE_RDB \ --set-val RDB_INTERVAL 19 elif [ "$_cpusched" = "bore" ]; then echo "Selecting BORE Scheduler..." scripts/config --enable SCHED_BORE elif [ "$_cpusched" = "tt" ]; then echo "Selecting TT Scheduler..." scripts/config --enable TT_SCHED \ --enable TT_ACCOUNTING_STATS elif [ "$_cpusched" = "cfs" ]; then echo "Selecting Completely Fair Scheduler..." elif [ "$_cpusched" = "hardened" ]; then echo "Selecting hardened patches with the BORE Scheduler..." else if [ -n "$_cpusched" ]; then error "The value $_cpusched is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Selecting the CPU scheduler failed!" exit fi ### Enable KCFI if [ -n "$_use_kcfi" ]; then echo "Enabling kCFI" scripts/config --enable ARCH_SUPPORTS_CFI_CLANG \ --enable CFI_CLANG fi ### Select LLVM level if [ "$_use_llvm_lto" = "thin" ]; then echo "Enabling LLVM THIN LTO..." scripts/config --enable LTO \ --enable LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG_THIN \ --disable LTO_NONE \ --enable HAS_LTO_CLANG \ --disable LTO_CLANG_FULL \ --enable LTO_CLANG_THIN \ --enable HAVE_GCC_PLUGINS elif [ "$_use_llvm_lto" = "full" ]; then echo "Enabling LLVM FULL LTO..." scripts/config --enable LTO \ --enable LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG_THIN \ --disable LTO_NONE \ --enable HAS_LTO_CLANG \ --enable LTO_CLANG_FULL \ --disable LTO_CLANG_THIN \ --enable HAVE_GCC_PLUGINS else scripts/config --enable LTO_NONE fi ### Enable GCC FULL LTO ### Disable LTO_CP_CLONE, its experimental if [ -n "$_use_gcc_lto" ]; then scripts/config --enable LTO_GCC \ --disable LTO_CP_CLONE ### Disable DEBUG, pahole is currently broken with GCC LTO _disable_debug=y fi ### Select tick rate if [ "$_HZ_ticks" = "1000" ]; then echo "Setting tick rate to 1k Hz..." scripts/config --disable HZ_300 \ --enable HZ_1000 \ --set-val HZ 1000 elif [ "$_HZ_ticks" = "750" ]; then echo "Setting tick rate to 750Hz..." scripts/config --disable HZ_300 \ --enable HZ_750 \ --set-val HZ 750 elif [ "$_HZ_ticks" = "600" ]; then echo "Setting tick rate to 600Hz..." scripts/config --disable HZ_300 \ --enable HZ_600 \ --set-val HZ 600 elif [ "$_HZ_ticks" = "500" ]; then echo "Setting tick rate to 500Hz..." scripts/config --disable HZ_300 \ --enable HZ_500 \ --set-val HZ 500 elif [ "$_HZ_ticks" = "300" ]; then echo "Setting tick rate to 300Hz..." scripts/config --enable HZ_300 \ --set-val HZ 300 elif [ "$_HZ_ticks" = "250" ]; then echo "Setting tick rate to 250Hz..." scripts/config --disable HZ_300 \ --enable HZ_250 \ --set-val HZ 250 elif [ "$_HZ_ticks" = "100" ]; then echo "Setting tick rate to 100Hz..." scripts/config --disable HZ_300 \ --enable HZ_100 \ --set-val HZ 100 else if [ -n "$_HZ_ticks" ]; then error "The value $_HZ_ticks is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Selecting Setting tick rate failed!" exit fi ### Disable NUMA if [ -n "$_NUMAdisable" ]; then echo "Disabling NUMA from kernel config..." scripts/config --disable NUMA \ --disable AMD_NUMA \ --disable X86_64_ACPI_NUMA \ --disable NODES_SPAN_OTHER_NODES \ --disable NUMA_EMU \ --disable NEED_MULTIPLE_NODES \ --disable USE_PERCPU_NUMA_NODE_ID \ --disable ACPI_NUMA \ --disable ARCH_SUPPORTS_NUMA_BALANCING \ --disable NODES_SHIFT \ --undefine NODES_SHIFT \ --disable NEED_MULTIPLE_NODES fi ### Setting NR_CPUS if [ -n "$_nr_cpus" ]; then echo "Setting custom NR_CPUS..." scripts/config --set-val NR_CPUS "$_nr_cpus" else echo "Setting default NR_CPUS..." scripts/config --set-val NR_CPUS 320 fi ### Disable MQ Deadline I/O scheduler if [ -n "$_mq_deadline_disable" ]; then echo "Disabling MQ-Deadline I/O scheduler..." scripts/config --disable MQ_IOSCHED_DEADLINE fi ### Disable Kyber I/O scheduler if [ -n "$_kyber_disable" ]; then echo "Disabling Kyber I/O scheduler..." scripts/config --disable MQ_IOSCHED_KYBER fi ### Select performance governor if [ -n "$_per_gov" ]; then echo "Setting performance governor..." scripts/config --disable CPU_FREQ_DEFAULT_GOV_SCHEDUTIL \ --enable CPU_FREQ_DEFAULT_GOV_PERFORMANCE fi ### Select tick type if [ "$_tickrate" = "periodic" ]; then echo "Enabling periodic ticks..." scripts/config --disable NO_HZ_IDLE \ --disable NO_HZ_FULL \ --disable NO_HZ \ --disable NO_HZ_COMMON \ --enable HZ_PERIODIC elif [ "$_tickrate" = "idle" ]; then echo "Enabling idle ticks.." scripts/config --disable HZ_PERIODIC \ --disable NO_HZ_FULL \ --enable NO_HZ_IDLE \ --enable NO_HZ \ --enable NO_HZ_COMMON elif [ "$_tickrate" = "full" ]; then echo "Enabling full ticks..." scripts/config --disable HZ_PERIODIC \ --disable NO_HZ_IDLE \ --disable CONTEXT_TRACKING_FORCE \ --enable NO_HZ_FULL_NODEF \ --enable NO_HZ_FULL \ --enable NO_HZ \ --enable NO_HZ_COMMON \ --enable CONTEXT_TRACKING else if [ -n "$_tickrate" ]; then error "The value $_tickrate is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Selecting the tick rate failed!" exit fi ### Select preempt type if [ "$_preempt" = "full" ]; then echo "Enabling low latency preempt..." scripts/config --enable PREEMPT_BUILD \ --disable PREEMPT_NONE \ --disable PREEMPT_VOLUNTARY \ --enable PREEMPT \ --enable PREEMPT_COUNT \ --enable PREEMPTION \ --enable PREEMPT_DYNAMIC elif [ "$_preempt" = "voluntary" ]; then echo "Enabling voluntary preempt..." scripts/config --enable PREEMPT_BUILD \ --disable PREEMPT_NONE \ --enable PREEMPT_VOLUNTARY \ --disable PREEMPT \ --enable PREEMPT_COUNT \ --enable PREEMPTION \ --disable PREEMPT_DYNAMIC elif [ "$_preempt" = "server" ]; then echo "Enabling server preempt..." scripts/config --enable PREEMPT_NONE_BUILD \ --enable PREEMPT_NONE \ --disable PREEMPT_VOLUNTARY \ --disable PREEMPT \ --disable PREEMPT_COUNT \ --disable PREEMPTION \ --disable PREEMPT_DYNAMIC else if [ -n "$_preempt" ]; then error "The value $_preempt is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Selecting PREEMPT failed!" exit fi ### Enable O3 if [ -n "$_cc_harder" ]; then echo "Enabling KBUILD_CFLAGS -O3..." scripts/config --disable CC_OPTIMIZE_FOR_PERFORMANCE \ --enable CC_OPTIMIZE_FOR_PERFORMANCE_O3 fi ### Enable bbr2 if [ -n "$_tcp_bbr2" ]; then echo "Disabling TCP_CONG_CUBIC..." scripts/config --module TCP_CONG_CUBIC \ --disable DEFAULT_CUBIC \ --enable TCP_CONG_BBR2 \ --enable DEFAULT_BBR2 \ --set-str DEFAULT_TCP_CONG bbr2 fi ### Select LRU config if [ "$_lru_config" = "standard" ]; then echo "Enabling multigenerational LRU..." scripts/config --enable LRU_GEN \ --enable LRU_GEN_ENABLED \ --disable LRU_GEN_STATS elif [ "$_lru_config" = "stats" ]; then echo "Enabling multigenerational LRU with stats..." scripts/config --enable LRU_GEN \ --enable LRU_GEN_ENABLED \ --enable LRU_GEN_STATS elif [ "$_lru_config" = "none" ]; then echo "Disabling multigenerational LRU..." scripts/config --disable LRU_GEN else if [ -n "$_lru_config" ]; then error "The value $_lru_config is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Enabling multigenerational LRU failed!" exit fi ### Select VMA config if [ "$_vma_config" = "standard" ]; then echo "Enabling per-VMA locking..." scripts/config --enable PER_VMA_LOCK \ --disable PER_VMA_LOCK_STATS elif [ "$_vma_config" = "stats" ]; then echo "Enabling per-VMA locking with stats..." scripts/config --enable PER_VMA_LOCK \ --enable PER_VMA_LOCK_STATS elif [ "$_vma_config" = "none" ]; then echo "Disabling per-VMA locking..." scripts/config --disable PER_VMA_LOCK else if [ -n "$_vma_config" ]; then error "The value $_vma_config is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Enabling per-VMA locking failed!" exit fi ### Select THP if [ "$_hugepage" = "always" ]; then echo "Enable THP always..." scripts/config --disable TRANSPARENT_HUGEPAGE_MADVISE \ --enable TRANSPARENT_HUGEPAGE_ALWAYS elif [ "$_hugepage" = "madvise" ]; then echo "Enable THP madvise..." scripts/config --disable TRANSPARENT_HUGEPAGE_ALWAYS \ --enable TRANSPARENT_HUGEPAGE_MADVISE else if [ -n "$_hugepage" ]; then error "The value $_hugepage is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Setting THP has failed!" exit fi ### Enable DAMON if [ -n "$_damon" ]; then echo "Enabling DAMON..." scripts/config --enable DAMON \ --enable DAMON_VADDR \ --enable DAMON_DBGFS \ --enable DAMON_SYSFS \ --enable DAMON_PADDR \ --enable DAMON_RECLAIM \ --enable DAMON_LRU_SORT fi ### Enable LRNG if [ -n "$_lrng_enable" ]; then echo "Enabling Linux Random Number Generator ..." scripts/config --disable RANDOM_DEFAULT_IMPL \ --enable LRNG \ --enable LRNG_SHA256 \ --enable LRNG_COMMON_DEV_IF \ --enable LRNG_DRNG_ATOMIC \ --enable LRNG_SYSCTL \ --enable LRNG_RANDOM_IF \ --enable LRNG_AIS2031_NTG1_SEEDING_STRATEGY \ --module LRNG_KCAPI_IF \ --module LRNG_HWRAND_IF \ --enable LRNG_DEV_IF \ --enable LRNG_RUNTIME_ES_CONFIG \ --enable LRNG_IRQ_DFLT_TIMER_ES \ --disable LRNG_SCHED_DFLT_TIMER_ES \ --enable LRNG_TIMER_COMMON \ --disable LRNG_COLLECTION_SIZE_256 \ --disable LRNG_COLLECTION_SIZE_512 \ --enable LRNG_COLLECTION_SIZE_1024 \ --disable LRNG_COLLECTION_SIZE_2048 \ --disable LRNG_COLLECTION_SIZE_4096 \ --disable LRNG_COLLECTION_SIZE_8192 \ --set-val LRNG_COLLECTION_SIZE 1024 \ --enable LRNG_HEALTH_TESTS \ --set-val LRNG_RCT_CUTOFF 31 \ --set-val LRNG_APT_CUTOFF 325 \ --enable LRNG_IRQ \ --enable LRNG_CONTINUOUS_COMPRESSION_ENABLED \ --disable LRNG_CONTINUOUS_COMPRESSION_DISABLED \ --enable LRNG_ENABLE_CONTINUOUS_COMPRESSION \ --enable LRNG_SWITCHABLE_CONTINUOUS_COMPRESSION \ --set-val LRNG_IRQ_ENTROPY_RATE 256 \ --enable LRNG_JENT \ --set-val LRNG_JENT_ENTROPY_RATE 16 \ --enable LRNG_CPU \ --set-val LRNG_CPU_FULL_ENT_MULTIPLIER 1 \ --set-val LRNG_CPU_ENTROPY_RATE 8 \ --enable LRNG_SCHED \ --set-val LRNG_SCHED_ENTROPY_RATE 4294967295 \ --enable LRNG_DRNG_CHACHA20 \ --module LRNG_DRBG \ --module LRNG_DRNG_KCAPI \ --enable LRNG_SWITCH \ --enable LRNG_SWITCH_HASH \ --module LRNG_HASH_KCAPI \ --enable LRNG_SWITCH_DRNG \ --module LRNG_SWITCH_DRBG \ --module LRNG_SWITCH_DRNG_KCAPI \ --enable LRNG_DFLT_DRNG_CHACHA20 \ --disable LRNG_DFLT_DRNG_DRBG \ --disable LRNG_DFLT_DRNG_KCAPI \ --enable LRNG_TESTING_MENU \ --disable LRNG_RAW_HIRES_ENTROPY \ --disable LRNG_RAW_JIFFIES_ENTROPY \ --disable LRNG_RAW_IRQ_ENTROPY \ --disable LRNG_RAW_RETIP_ENTROPY \ --disable LRNG_RAW_REGS_ENTROPY \ --disable LRNG_RAW_ARRAY \ --disable LRNG_IRQ_PERF \ --disable LRNG_RAW_SCHED_HIRES_ENTROPY \ --disable LRNG_RAW_SCHED_PID_ENTROPY \ --disable LRNG_RAW_SCHED_START_TIME_ENTROPY \ --disable LRNG_RAW_SCHED_NVCSW_ENTROPY \ --disable LRNG_SCHED_PERF \ --disable LRNG_ACVT_HASH \ --disable LRNG_RUNTIME_MAX_WO_RESEED_CONFIG \ --disable LRNG_TEST_CPU_ES_COMPRESSION \ --enable LRNG_SELFTEST \ --disable LRNG_SELFTEST_PANIC \ --disable LRNG_RUNTIME_FORCE_SEEDING_DISABLE fi ### Enable zram/zswap ZSTD compression if [ -n "$_zstd_compression" ]; then echo "Enabling zram/swap ZSTD compression..." scripts/config --disable ZRAM_DEF_COMP_LZORLE \ --enable ZRAM_DEF_COMP_ZSTD \ --set-str ZRAM_DEF_COMP zstd \ --disable ZSWAP_COMPRESSOR_DEFAULT_LZ4 \ --enable ZSWAP_COMPRESSOR_DEFAULT_ZSTD \ --set-str ZSWAP_COMPRESSOR_DEFAULT zstd fi ### Selecting the ZSTD modules and kernel compression level if [ "$_zstd_level_value" = "ultra" ]; then echo "Enabling highest ZSTD modules and kernel compression ratio..." scripts/config --set-val MODULE_COMPRESS_ZSTD_LEVEL 19 \ --enable MODULE_COMPRESS_ZSTD_ULTRA \ --set-val MODULE_COMPRESS_ZSTD_LEVEL_ULTRA 22 \ --set-val ZSTD_COMP_VAL 22 elif [ "$_zstd_level_value" = "normal" ]; then echo "Enabling standard ZSTD modules and kernel compression ratio..." scripts/config --set-val MODULE_COMPRESS_ZSTD_LEVEL 9 \ --disable MODULE_COMPRESS_ZSTD_ULTRA \ --set-val ZSTD_COMP_VAL 19 else if [ -n "$_zstd_level_value" ]; then error "The value $_zstd_level_value is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Selecting the ZSTD modules and kernel compression level failed!" exit fi ### Disable DEBUG if [ -n "$_disable_debug" ]; then scripts/config --disable DEBUG_INFO \ --disable DEBUG_INFO_BTF \ --disable DEBUG_INFO_DWARF4 \ --disable DEBUG_INFO_DWARF5 \ --disable PAHOLE_HAS_SPLIT_BTF \ --disable DEBUG_INFO_BTF_MODULES \ --disable SLUB_DEBUG \ --disable PM_DEBUG \ --disable PM_ADVANCED_DEBUG \ --disable PM_SLEEP_DEBUG \ --disable ACPI_DEBUG \ --disable SCHED_DEBUG \ --disable LATENCYTOP \ --disable DEBUG_PREEMPT fi echo "Enable USER_NS_UNPRIVILEGED" scripts/config --enable USER_NS echo "Enable WINE FASTSYNC" scripts/config --enable WINESYNC ### Optionally use running kernel's config # code originally by nous; http://aur.archlinux.org/packages.php?ID=40191 if [ -n "$_use_current" ]; then if [[ -s /proc/config.gz ]]; then echo "Extracting config from /proc/config.gz..." # modprobe configs zcat /proc/config.gz > ./.config else warning "Your kernel was not compiled with IKPROC!" warning "You cannot read the current config!" warning "Aborting!" exit fi fi ### Optionally load needed modules for the make localmodconfig # See https://aur.archlinux.org/packages/modprobed-db if [ -n "$_localmodcfg" ]; then if [ -e $HOME/.config/modprobed.db ]; then echo "Running Steven Rostedt's make localmodconfig now" make ${BUILD_FLAGS[*]} LSMOD=$HOME/.config/modprobed.db localmodconfig else echo "No modprobed.db data found" exit fi fi ### Rewrite configuration echo "Rewrite configuration..." make ${BUILD_FLAGS[*]} prepare yes "" | make ${BUILD_FLAGS[*]} config >/dev/null diff -u ../config .config || : ### Prepared version make ${BUILD_FLAGS[*]} -s kernelrelease > version echo "Prepared $pkgbase version $( "${startdir}/config-${pkgver}-${pkgrel}${pkgbase#linux}" } build() { cd ${srcdir}/${_srcname} make ${BUILD_FLAGS[*]} -j$(nproc) all if [ -n "$_build_zfs" ]; then cd ${srcdir}/"zfs" if [ -n "$_use_llvm_lto" ]; then ./autogen.sh sed -i "s|\$(uname -r)|${pkgver}-${pkgsuffix}|g" configure ./configure KERNEL_LLVM=1 --prefix=/usr --sysconfdir=/etc --sbindir=/usr/bin --libdir=/usr/lib \ --datadir=/usr/share --includedir=/usr/include --with-udevdir=/lib/udev \ --libexecdir=/usr/lib/zfs --with-config=kernel \ --with-linux=${srcdir}/$_srcname else ./autogen.sh sed -i "s|\$(uname -r)|${pkgver}-${pkgsuffix}|g" configure ./configure --prefix=/usr --sysconfdir=/etc --sbindir=/usr/bin --libdir=/usr/lib \ --datadir=/usr/share --includedir=/usr/include --with-udevdir=/lib/udev \ --libexecdir=/usr/lib/zfs --with-config=kernel \ --with-linux=${srcdir}/$_srcname fi make ${BUILD_FLAGS[*]} fi } _package() { pkgdesc="The $pkgdesc kernel and modules" depends=('coreutils' 'kmod' 'initramfs') optdepends=('wireless-regdb: to set the correct wireless channels of your country' 'linux-firmware: firmware images needed for some devices' 'modprobed-db: Keeps track of EVERY kernel module that has ever been probed - useful for those of us who make localmodconfig' 'uksmd: Userspace KSM helper daemon') provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE UKSMD-BUILTIN) cd ${srcdir}/$_srcname local kernver="$(