# Maintainer: Peter Jung ptr1337 && Piotr Gorski # Contributor: Jan Alexander Steffens (heftig) # Contributor: Tobias Powalowski # Contributor: Thomas Baechler ### 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='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= # 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=y # 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= # 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= ### Set performance governor as default _per_gov=y ### Enable TCP_CONG_BBR2 _tcp_bbr2=y ### Running with a 1000HZ, 750Hz, 600 Hz or 500Hz tick rate _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=full ## Choose between full(low-latency), voluntary or server _preempt=full ### Disable MQ-Deadline I/O scheduler _mq_deadline_disable=y ### Disable Kyber I/O scheduler _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='standard' ## Enable DAMON _damon=y ### Enable SPECULATIVE_PAGE_FAULT # ATTENTION - one of two predefined values should be selected! # 'standard' - enable SPECULATIVE_PAGE_FAULT # 'stats' - enable support SPECULATIVE_PAGE_FAULT with stats _spf_config='standard' ## Enable Linux Random Number Generator _lrng_enable=y # 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= _use_auto_optimization=y # disable debug to lower the size of the kernel _disable_debug=y ## Enable zram/zswap ZSTD compression _zstd_compression=y # Enable FULLCONENAT _nf_cone=y # 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= # Build the zfs module builtin in to the kernel _build_zfs= # Enable bcachefs _bcachefs= # Enable aufsfs _aufs= # Enable spadefs _spadfs= if [ -n "$_use_llvm_lto" ]; then pkgsuffix=cachyos-lto pkgbase=linux-$pkgsuffix else pkgsuffix=cachyos pkgbase=linux-$pkgsuffix fi _major=5.18 _minor=14 #_minorc=$((_minor+1)) #_rcver=rc8 pkgver=${_major}.${_minor} _stable=${_major}.${_minor} #_stable=${_major} #_stablerc=${_major}-${_rcver} _srcname=linux-${_stable} #_srcname=linux-${_major} pkgdesc='Linux BORE scheduler Kernel by CachyOS with other patches and improvements' pkgrel=2 _kernver=$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 "$_build_zfs" ]; then makedepends+=(git) fi _patchsource="https://raw.githubusercontent.com/ptr1337/kernel-patches/master/${_major}" source=( "https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.xz" "config" "auto-cpu-optimization.sh" "${_patchsource}/all/0001-cachyos-base-all.patch" ) if [ -n "$_build_zfs" ]; then source+=("git+https://github.com/openzfs/zfs.git#commit=6c3c5fcfbe27d9193cd131753cc7e47ee2784621") fi if [ "$_cpusched" = "bmq" ]; then source+=("${_patchsource}/sched/0001-prjc.patch") fi if [ "$_cpusched" = "pds" ]; then source+=("${_patchsource}/sched/0001-prjc.patch") fi if [ "$_cpusched" = "bore" ]; then source+=("${_patchsource}/sched/0001-bore-sched.patch") fi if [ "$_cpusched" = "cacule" ]; then source+=("${_patchsource}/sched/0001-cacULE-5.18-migrate.patch") fi if [ "$_cpusched" = "cacule-rdb" ]; then source+=("${_patchsource}/sched/0001-cacULE-5.18-migrate.patch") fi if [ "$_cpusched" = "tt" ]; then source+=( "${_patchsource}/sched/0001-tt-cachy-5.18.patch") fi if [ "$_cpusched" = "hardened" ]; then source+=("${_patchsource}/sched/0001-bore-sched.patch" "${_patchsource}/0001-hardening.patch") fi if [ -n "$_bcachefs" ]; then source+=("${_patchsource}/0001-bcachefs-after-lru.patch") fi if [ -n "$_aufs" ]; then source+=("${_patchsource}/0001-aufs-20220620.patch") fi if [ -n "$_spadfs" ]; then source+=("${_patchsource}/0001-spadfs-5.18-merge-v1.0.16.patch") fi export KBUILD_BUILD_HOST=archlinux export KBUILD_BUILD_USER=$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 "${srcdir}"/auto-cpu-optimization.sh fi ### Selecting the CPU scheduler if [ "$_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 [ "$_cpusched" = "hardened" ]; then echo "Selecting hardened..." else if [ -n "$_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 ### 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 else echo "Setting tick rate to 300Hz..." scripts/config --enable HZ_300 \ --set-val HZ 300 fi ### Disable NUMA if [ -n "$_NUMAdisable" ]; then echo "Disabling NUMA from kernel config..." scripts/config --disable NUMA \ --disable AMD_NUMA \ --disable X86_64_ACPI_NUMA \ --disable NODES_SPAN_OTHER_NODES \ --disable NUMA_EMU \ --disable NEED_MULTIPLE_NODES \ --disable USE_PERCPU_NUMA_NODE_ID \ --disable ACPI_NUMA \ --disable ARCH_SUPPORTS_NUMA_BALANCING \ --disable NODES_SHIFT \ --undefine NODES_SHIFT \ --disable NEED_MULTIPLE_NODES fi ### Disable MQ Deadline I/O scheduler if [ -n "$_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 \ --enable PCIEASPM \ --enable PCIEASPM_PERFORMANCE \ --enable PCIE_BUS_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 "$_tcp_bbr2" ]; then echo "Disabling TCP_CONG_CUBIC..." scripts/config --module TCP_CONG_CUBIC \ --disable DEFAULT_CUBIC \ --enable TCP_CONG_BBR2 \ --enable DEFAULT_BBR2 \ --set-str DEFAULT_TCP_CONG bbr2 fi ### Enable FULLCONENAT if [ -n "$_nf_cone" ]; then echo "Enabling FULLCONENAT..." scripts/config --module IP_NF_TARGET_FULLCONENAT \ --module NETFILTER_XT_TARGET_FULLCONENAT fi ### Select SPF config if [ "$_spf_config" = "standard" ]; then echo "Enabling SPECULATIVE_PAGE_FAULT..." scripts/config --enable CONFIG_SPECULATIVE_PAGE_FAULT \ --disable CONFIG_SPECULATIVE_PAGE_FAULT_STATS elif [ "$_spf_config" = "stats" ]; then echo "Enabling SPECULATIVE_PAGE_FAULT with stats..." scripts/config --enable CONFIG_SPECULATIVE_PAGE_FAULT \ --enable CONFIG_SPECULATIVE_PAGE_FAULT_STATS else if [ -n "$_spf_config" ]; then error "The value $_spf_config is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Enabling SPECULATIVE_PAGE_FAULT failed!" exit fi ### Select LRU config if [ "$_lru_config" = "standard" ]; then echo "Enabling multigenerational LRU..." scripts/config --enable CONFIG_LRU_GEN \ --enable CONFIG_LRU_GEN_ENABLED \ --disable CONFIG_LRU_GEN_STATS elif [ "$_lru_config" = "stats" ]; then echo "Enabling multigenerational LRU with stats..." scripts/config --enable CONFIG_LRU_GEN \ --enable CONFIG_LRU_GEN_ENABLED \ --enable CONFIG_LRU_GEN_STATS elif [ "$_lru_config" = "none" ]; then echo "Disabling multigenerational LRU..." scripts/config --disable CONFIG_LRU_GEN else if [ -n "$_lru_config" ]; then error "The value $_lru_config is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Enabling multigenerational LRU failed!" exit fi ### Enable DAMON if [ -n "$_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 \ --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 fi ### Enable ZSTD swap/zram compression if [ -n "$_zstd_swap_compression" ]; then echo "Enabling zram 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 \ --enable ZRAM_ENTROPY \ --set-val ZRAM_ENTROPY_THRESHOLD 100000 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}${pkgbase#linux}" ### Save configuration for later reuse # cp -Tf ./.config "${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="$(