5.17.7-2

1 files changed, 709 insertions, 0 deletions

diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..5f647cb40ed4
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,709 @@
+# Maintainer: Peter Jung ptr1337 <admin@ptr1337.dev>
+# Contributor: Piotr Gorski <lucjan.lucjanov@gmail.com>
+# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
+# Contributor: Tobias Powalowski <tpowa@archlinux.org>
+# Contributor: Thomas Baechler <thomas@archlinux.org>
+
+### 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'
+# 'tt' - select 'Task Type Scheduler by Hamad Marri'
+# 'cfs' - select 'Completely Fair Scheduler'
+_cpusched='cfs'
+
+### 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
+
+## Enable Anbox
+_anbox=
+
+# 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=
+
+### Enable KBUILD_CFLAGS -O3
+_cc_harder=y
+
+### 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=750
+
+## Choose between perodic, tickless idle or full tickless
+### 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=voluntary
+
+### Disable MQ-Deadline I/O scheduler
+_mq_deadline_disable=y
+
+### Disable Kyber I/O scheduler
+_kyber_disable=y
+
+### Enable multigenerational LRU
+_lru_enable=y
+
+## Enable DAMON
+_damon=
+
+## enable SPECULATIVE_PAGE_FAULT
+_spf_enable=y
+
+## Enable Linux Random Number Generator
+_lrng_enable=y
+
+## Apply Kernel automatic Optimization
+_use_auto_optimization=y
+
+## Apply Kernel Optimization selecting
+_use_optimization_select=
+
+## Enable zram/zswap ZSTD compression
+_zstd_compression=y
+
+_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=
+
+## Change the thin lto cachedir for fixing building several dkms modules including zfs
+_thin_lto_cachedir=
+
+## Enable it for using the LLVM CFI PATCH for a better security
+_use_cfi=
+
+if [ -n "$_use_llvm_lto" ]; then
+    pkgbase=linux-cachyos-${_cpusched}-lto
+else
+    pkgbase=linux-cachyos-${_cpusched}
+fi
+_major=5.17
+_minor=7
+#_minorc=$((_minor+1))
+#_rcver=rc8
+pkgver=${_major}.${_minor}
+_stable=${_major}.${_minor}
+#_stable=${_major}
+#_stablerc=${_major}-${_rcver}
+_srcname=linux-${_stable}
+#_srcname=linux-${_major}
+arch=(x86_64 x86_64_v3)
+pkgdesc='Linux CFS scheduler Kernel by CachyOS with other patches and improvements'
+pkgrel=2
+arch=('x86_64' 'x86_64_v3')
+url="https://github.com/CachyOS/linux-cachyos"
+license=('GPL2')
+options=('!strip')
+makedepends=('bc' 'texlive-latexextra' 'libelf' 'pahole' 'cpio' 'perl' 'tar' 'xz' 'zstd' 'xmlto' 'git' 'gcc' 'gcc-libs' 'glibc' 'binutils' 'make' 'patch')
+if [ -n "$_use_llvm_lto" ]; then
+    makedepends+=(clang llvm lld python)
+fi
+_patchsource="https://raw.githubusercontent.com/ptr1337/kernel-patches/master/${_major}"
+source=(
+    "https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.xz"
+    "config"
+)
+if [ "$_cpusched" = "bmq" ]; then
+    source+=("${_patchsource}/sched/0001-prjc.patch")
+fi
+if [ "$_cpusched" = "pds" ]; then
+    source+=("${_patchsource}/sched/0001-prjc.patch")
+fi
+if [ "$_cpusched" = "cacule" ]; then
+    source+=("${_patchsource}/sched/0001-cacULE.patch")
+fi
+if [ "$_cpusched" = "cacule-rdb" ]; then
+    source+=("${_patchsource}/sched/0001-cacULE.patch")
+fi
+if [ "$_cpusched" = "tt" ]; then
+    source+=("${_patchsource}/sched/0001-tt.patch")
+fi
+if [ "$_cpusched" = "bore" ]; then
+    source+=("${_patchsource}/sched/0001-bore-sched.patch")
+fi
+source+=(
+    "${_patchsource}/0001-arch.patch"
+    "${_patchsource}/0002-anbox.patch"
+    "${_patchsource}/0003-bbr2.patch"
+    "${_patchsource}/0004-cachy.patch"
+    "${_patchsource}/0005-migrate.patch"
+    "${_patchsource}/0006-clearlinux.patch"
+    "${_patchsource}/0007-cpu.patch"
+    "${_patchsource}/0008-fixes-miscellaneous.patch"
+    "${_patchsource}/0009-fs-patches.patch"
+    "${_patchsource}/0010-hwmon.patch"
+    "${_patchsource}/0011-lru-le9.patch"
+    "${_patchsource}/0012-spf-lru.patch"
+    "${_patchsource}/0013-xanmod.patch"
+    "${_patchsource}/0014-lrng.patch"
+    "${_patchsource}/0015-ck-hrtimer.patch"
+#    "${_patchsource}/0016-futex-winesync.patch"
+    "auto-cpu-optimization.sh"
+)
+
+if [ -n "$_use_llvm_lto" ]; then
+    BUILD_FLAGS=(
+        LLVM=1
+        LLVM_IAS=1
+    )
+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 $_srcname
+
+    echo "Setting version..."
+    scripts/setlocalversion --save-scmversion
+    echo "-$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
+
+    if [ -n "$_use_auto_optimization" ]; then
+        "${srcdir}"/auto-cpu-optimization.sh
+    fi
+
+    if [ -n "$_use_optimization_select" ]; then
+        source "${startdir}"/configure
+        cpu_arch
+    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 [ "$_cpusched" = "tt" ]; then
+        echo "Enable TT CPU scheduler..."
+        scripts/config --enable TT_SCHED \
+                       --enable TT_ACCOUNTING_STATS
+    elif [ "$_cpusched" = "bore" ]; then
+        echo "Selecting BORE Scheduler..."
+        scripts/config --enable SCHED_BORE
+    elif [ "$_cpusched" = "cfs" ]; then
+        echo "Selecting Completely Fair Scheduler..."
+    else
+        if [ -n "$_cpusched" ]; then
+            error "The value $_cpusched is invalid. Choose the correct one again."
+        else
+            error "The value is empty. Choose the correct one again."
+        fi
+        error "Selecting the CPU scheduler failed!"
+        exit
+    fi
+
+#    if [ -n "$_use_cfi" ] && [ -n "$_use_llvm_lto" ]; then
+#        echo "Enabling CFI"
+#        scripts/config --enable ARCH_SUPPORTS_CFI_CLANG \
+#                       --enable CFI_CLANG
+#    fi
+
+    if [ "$_use_llvm_lto" = "thin" ]; then
+        echo "Enabling LLVM THIN LTO..."
+        scripts/config --disable LTO_NONE \
+                       --enable LTO \
+                       --enable LTO_CLANG \
+                       --enable ARCH_SUPPORTS_LTO_CLANG \
+                       --enable ARCH_SUPPORTS_LTO_CLANG_THIN \
+                       --enable HAS_LTO_CLANG \
+                       --enable LTO_CLANG_THIN \
+                       --enable HAVE_GCC_PLUGINS
+        elif [ "$_use_llvm_lto" = "full" ]; then
+        echo "Enabling LLVM FULL LTO..."
+        scripts/config --disable LTO_NONE \
+                       --enable LTO \
+                       --enable LTO_CLANG \
+                       --enable ARCH_SUPPORTS_LTO_CLANG \
+                       --enable ARCH_SUPPORTS_LTO_CLANG_THIN \
+                       --enable HAS_LTO_CLANG \
+                       --enable LTO_CLANG \
+                       --enable LTO_CLANG_FULL \
+                       --enable HAVE_GCC_PLUGINS
+    else
+        scripts/config --enable LTO_NONE
+    fi
+
+    if [ "$_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..."
+    fi
+
+    if [ -n "$_NUMAdisable" ]; then
+        echo "Disabling NUMA from kernel config..."
+        scripts/config --disable NUMA \
+                       --disable AMD_NUMA \
+                       --disable X86_64_ACPI_NUMA \
+                       --disable NODES_SPAN_OTHER_NODES \
+                       --disable NUMA_EMU \
+                       --disable NEED_MULTIPLE_NODES \
+                       --disable USE_PERCPU_NUMA_NODE_ID \
+                       --disable ACPI_NUMA \
+                       --disable ARCH_SUPPORTS_NUMA_BALANCING \
+                       --disable NODES_SHIFT \
+                       --undefine NODES_SHIFT \
+                       --disable NEED_MULTIPLE_NODES
+    fi
+
+    if [ -n "$_mq_deadline_disable" ]; then
+        echo "Disabling MQ-Deadline I/O scheduler..."
+        scripts/config --disable MQ_IOSCHED_DEADLINE
+    fi
+
+    if [ -n "$_kyber_disable" ]; then
+        echo "Disabling Kyber I/O scheduler..."
+        scripts/config --disable MQ_IOSCHED_KYBER
+    fi
+
+    if [ -n "$_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
+
+    if [ "$_tickrate" = "perodic" ]; then
+        echo "Enabling periodic ticks..."
+        scripts/config --disable NO_HZ_IDLE \
+                      --disable NO_HZ_FULL \
+                      --disable NO_HZ \
+                      --disable NO_HZ_COMMON \
+                      --enable HZ_PERIODIC
+    elif [ "$_tickrate" = "idle" ]; then
+        echo "Enabling tickless idle..."
+        scripts/config --disable HZ_PERIODIC \
+                       --disable NO_HZ_FULL \
+                       --enable NO_HZ_IDLE \
+                       --enable NO_HZ \
+                       --enable NO_HZ_COMMON
+    elif [ "$_tickrate" = "full" ]; then
+        echo "Enabling tickless idle..."
+        scripts/config --disable HZ_PERIODIC \
+                       --disable NO_HZ_IDLE \
+                       --disable CONTEXT_TRACKING_FORCE \
+                       --enable NO_HZ_FULL_NODEF \
+                       --enable NO_HZ_FULL \
+                       --enable NO_HZ \
+                       --enable NO_HZ_COMMON \
+                       --enable CONTEXT_TRACKING
+    fi
+
+    if [ "$_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 [ "$_preempt" = "voluntary" ]; then
+        echo "Enabling tickless idle..."
+        scripts/config --enable PREEMPT_BUILD \
+                      --disable PREEMPT_NONE \
+                      --enable PREEMPT_VOLUNTARY \
+                      --disable PREEMPT \
+                      --enable PREEMPT_COUNT \
+                      --enable PREEMPTION \
+                      --enable PREEMPT_DYNAMIC
+    elif [ "$_tickrate" = "server" ]; then
+        echo "Enabling tickless idle..."
+        scripts/config --enable PREEMPT_NONE_BUILD \
+                       --enable PREEMPT_NONE \
+                       --disable PREEMPT_VOLUNTARY \
+                       --disable PREEMPT \
+                       --disable PREEMPT_COUNT \
+                       --disable PREEMPTION \
+                       --disable PREEMPT_DYNAMIC
+    fi
+
+    if [ -n "$_cc_harder" ]; then
+        echo "Enabling KBUILD_CFLAGS -O3..."
+        scripts/config --disable CC_OPTIMIZE_FOR_PERFORMANCE \
+                       --enable CC_OPTIMIZE_FOR_PERFORMANCE_O3
+    fi
+
+    if [ -n "$_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
+
+    if [ -n "$_nf_cone" ]; then
+        echo "Enabling FULLCONENAT..."
+        scripts/config --module IP_NF_TARGET_FULLCONENAT \
+                       --module NETFILTER_XT_TARGET_FULLCONENAT
+    fi
+
+    if [ -n "$_spf_enable" ]; then
+        echo "Enabling SPECULATIVE_PAGE_FAULT LRU..."
+        scripts/config --enable SPECULATIVE_PAGE_FAULT
+    fi
+
+    if [ -n "$_lru_enable" ]; then
+        echo "Enabling multigenerational LRU..."
+        scripts/config --enable ARCH_HAS_NONLEAF_PMD_YOUNG \
+                       --enable LRU_GEN \
+                       --enable LRU_GEN_ENABLED \
+                       --disable LRU_GEN_STATS
+    fi
+
+    if [ -n "$_damon" ]; then
+        echo "Enabling DAMON..."
+        scripts/config --enable DAMON \
+                       --disable DAMON_VADDR \
+                       --disable DAMON_DBGFS \
+                       --enable DAMON_PADDR \
+                       --enable DAMON_RECLAIM
+    fi
+
+    if [ -n "$_lrng_enable" ]; then
+        echo "Enabling Linux Random Number Generator ..."
+        scripts/config --disable RANDOM_DEFAULT_IMPL \
+                        --enable LRNG \
+                        --enable LRNG_OVERSAMPLE_ENTROPY_SOURCES \
+                        --set-val LRNG_OVERSAMPLE_ES_BITS 64 \
+                        --set-val LRNG_SEED_BUFFER_INIT_ADD_BITS 128 \
+                        --enable LRNG_IRQ \
+                        --enable LRNG_CONTINUOUS_COMPRESSION_ENABLED \
+                        --disable LRNG_CONTINUOUS_COMPRESSION_DISABLED \
+                        --enable LRNG_ENABLE_CONTINUOUS_COMPRESSION \
+                        --enable LRNG_SWITCHABLE_CONTINUOUS_COMPRESSION \
+                        --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 \
+                        --set-val LRNG_IRQ_ENTROPY_RATE 256 \
+                        --enable LRNG_JENT \
+                        --set-val LRNG_JENT_ENTROPY_RATE 16 \
+                        --enable LRNG_CPU \
+                        --set-val LRNG_CPU_ENTROPY_RATE 8 \
+                        --enable LRNG_DRNG_SWITCH \
+                        --enable LRNG_KCAPI_HASH \
+                        --module LRNG_DRBG \
+                        --module LRNG_KCAPI \
+                        --enable LRNG_TESTING_MENU \
+                        --disable LRNG_RAW_HIRES_ENTROPY \
+                        --disable LRNG_RAW_JIFFIES_ENTROPY \
+                        --disable LRNG_RAW_IRQ_ENTROPY \
+                        --disable LRNG_RAW_IRQFLAGS_ENTROPY \
+                        --disable LRNG_RAW_RETIP_ENTROPY \
+                        --disable LRNG_RAW_REGS_ENTROPY \
+                        --disable LRNG_RAW_ARRAY \
+                        --disable LRNG_IRQ_PERF \
+                        --disable LRNG_ACVT_HASH \
+                        --enable LRNG_RUNTIME_ES_CONFIG \
+                        --disable LRNG_RUNTIME_MAX_WO_RESEED_CONFIG \
+                        --disable LRNG_TEST_CPU_ES_COMPRESSION \
+                        --enable LRNG_SELFTEST \
+                        --disable LRNG_SELFTEST_PANIC
+    fi
+
+    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
+    fi
+
+    if [ -n "$_anbox" ]; then
+        echo "Enable Anbox..."
+        scripts/config --enable ASHMEM \
+                       --enable ANDROID \
+                       --enable ANDROID_BINDER_IPC \
+                       --enable ANDROID_BINDERFS \
+                       --enable ANDROID_BINDER_DEVICES="binder,hwbinder,vndbinder"
+    fi
+
+    scripts/config --disable DEBUG_INFO \
+                   --disable DEBUG_INFO_BTF \
+                   --disable DEBUG_INFO_DWARF4 \
+                   --disable PAHOLE_HAS_SPLIT_BTF \
+                   --disable DEBUG_INFO_BTF_MODULES
+
+    echo "Enable USER_NS_UNPRIVILEGED"
+    scripts/config --enable USER_NS
+
+    echo "Enable WINE FASTSYNC"
+    scripts/config --enable WINESYNC
+
+    ### Optionally use running kernel's config
+    # code originally by nous; http://aur.archlinux.org/packages.php?ID=40191
+    if [ -n "$_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
+
+
+
+    echo "Applying default config..."
+    make ${BUILD_FLAGS[*]}  olddefconfig
+    make ${BUILD_FLAGS[*]} -s kernelrelease > version
+    echo "Prepared $pkgbase version $(<version)"
+
+    ### Running make nconfig
+    [[ -z "$_makenconfig" ]] || make ${BUILD_FLAGS[*]} nconfig
+
+    ### Save configuration for later reuse
+    cp -Tf ./.config "${startdir}/config-${pkgver}-${pkgrel}${pkgbase#linux}"
+
+}
+
+build() {
+    cd ${_srcname}
+    make ${BUILD_FLAGS[*]} -j$(nproc) all
+}
+
+_package() {
+    pkgdesc="The $pkgdesc kernel and modules"
+    depends=('coreutils' 'kmod' 'initramfs')
+    optdepends=('crda: 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')
+    provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
+
+    cd $_srcname
+
+    local kernver="$(<version)"
+    local modulesdir="$pkgdir/usr/lib/modules/$kernver"
+
+    echo "Installing boot image..."
+    # systemd expects to find the kernel here to allow hibernation
+    # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
+    install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
+
+    # Used by mkinitcpio to name the kernel
+    echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
+
+    echo "Installing modules..."
+    make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
+        DEPMOD=/doesnt/exist modules_install  # Suppress depmod
+
+    # remove build and source links
+    rm "$modulesdir"/{source,build}
+}
+
+_package-headers() {
+    pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
+    depends=(pahole)
+
+    cd ${_srcname}
+    local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
+
+    echo "Installing build files..."
+    install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
+        localversion.* version vmlinux
+    install -Dt "$builddir/kernel" -m644 kernel/Makefile
+    install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
+    cp -t "$builddir" -a scripts
+
+    # required when STACK_VALIDATION is enabled
+    install -Dt "$builddir/tools/objtool" tools/objtool/objtool
+
+#    # required when DEBUG_INFO_BTF_MODULES is enabled
+#    if [ -f tools/bpf/resolve_btfids/resolve_btfids ]; then
+#        install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
+#    fi
+
+    echo "Installing headers..."
+    cp -t "$builddir" -a include
+    cp -t "$builddir/arch/x86" -a arch/x86/include
+    install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
+
+    install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
+    install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
+
+    # https://bugs.archlinux.org/task/13146
+    install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
+
+    # https://bugs.archlinux.org/task/20402
+    install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
+    install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
+    install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
+
+    # https://bugs.archlinux.org/task/71392
+    install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
+
+    echo "Installing KConfig files..."
+    find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
+
+    echo "Removing unneeded architectures..."
+    local arch
+    for arch in "$builddir"/arch/*/; do
+        [[ $arch = */x86/ ]] && continue
+        echo "Removing $(basename "$arch")"
+        rm -r "$arch"
+    done
+
+    echo "Removing documentation..."
+    rm -r "$builddir/Documentation"
+
+    echo "Removing broken symlinks..."
+    find -L "$builddir" -type l -printf 'Removing %P\n' -delete
+
+    echo "Removing loose objects..."
+    find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
+
+    echo "Stripping build tools..."
+    local file
+    while read -rd '' file; do
+        case "$(file -bi "$file")" in
+            application/x-sharedlib\;*)      # Libraries (.so)
+                strip -v $STRIP_SHARED "$file" ;;
+            application/x-archive\;*)        # Libraries (.a)
+                strip -v $STRIP_STATIC "$file" ;;
+            application/x-executable\;*)     # Binaries
+                strip -v $STRIP_BINARIES "$file" ;;
+            application/x-pie-executable\;*) # Relocatable binaries
+                strip -v $STRIP_SHARED "$file" ;;
+        esac
+    done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
+
+    echo "Stripping vmlinux..."
+    strip -v $STRIP_STATIC "$builddir/vmlinux"
+
+    echo "Adding symlink..."
+    mkdir -p "$pkgdir/usr/src"
+    ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
+}
+
+pkgname=("$pkgbase" "$pkgbase-headers")
+for _p in "${pkgname[@]}"; do
+    eval "package_$_p() {
+    $(declare -f "_package${_p#$pkgbase}")
+    _package${_p#$pkgbase}
+    }"
+done
+
+sha256sums=('22f67ef6b12ef6c0c0353be4b90b4bf4b9b18b858c16c346fa495b67ec718c99'
+            '7ad9dced23394e7db11dc70e5ad95589828001c8b09d3c1f9d54375e3c396dcb'
+            '09aa0e17190ee113a352573b2d2386cc04b522641fd277306e8ace9fd7af0037'
+            'ddaf45cc72ed743f70c8754505357e94d6dd4133bfde6e9c6afc59f4cc12ee69'
+            '6b31e4655e5ff9dbe95fb7db665426dad2bf3e33b5102d040a256f707cc99a23'
+            '8d327824362a7484bf7a8e4bfbe37e969ee39bbbb1c09c9e1e909b7e5941240d'
+            '543209b77159e768a105ac41bd3c760380ef73e97dabd53d958e0bdb024ddf1d'
+            'a13c4f5a688a86c8c67642a4129d2c89efd5f1afd3625e15ce5abe0b983d60d0'
+            'ab87b51fcacd9c7c5bf5d363ac45dab994c2c53d0e80e552390c7cbf752d7dca'
+            '9b431688e9c7be5b5a75a0d76cb26e2d0121d03d30fc47e257ea3217d42d0e08'
+            '12ebabff02f66e1583232591fc4ddf09c6437f11a4c59045d6d50d4be0f3693e'
+            'b834d558c412add87fec0fc0ce117674216c1b8717f48eaf8134ac64249ba8b3'
+            '9c2c0ccee49c17663f27dcdf43cfa02cd45ee15d53ff1a05da7e683098abdde1'
+            '1b2dd9147b7443a42ec49e9d1bf01d1209bfcbe625e686e90f0276abb3ed52ec'
+            '0e5177f086ddcac9b0e6596d29588c0730cce5c827e4c51e57f835a32f25ee85'
+            '761abc5bd65c194b6b810af1022df5888ce0ecbe70ffe4cd67e6e0c748fb78a2'
+            '07e34ca2f03d96837166ff4764503a76ff6f499107716455073e5e081b40a146'
+            '65ec9ac5b8b28d5b61df1c72498059be2e7cb1f9b965bac0e4ffed3c05520b2b')