# Maintainer: Tom Nguyen # Maintainer: Piotr Gorski # Contributor: Jan Alexander Steffens (heftig) # Contributor: Tobias Powalowski # Contributor: Thomas Baechler ### BUILD OPTIONS # Set these variables to ANYTHING that is not null to enable them ### Enable fancontrol for DELL _dell_fancontrol= ### Set performance governor as default _per_gov= # NUMA is optimized for multi-socket motherboards. A single multi-core CPU can # actually run slower with NUMA enabled. Most users will want to set this option # to enabled ... in other words, do not use NUMA on a single CPU system. # # See, https://bugs.archlinux.org/task/31187 _NUMAdisable=y # Compile ONLY probed modules # Build in only the modules that you currently have probed in your system VASTLY # reducing the number of modules built and the build time. # # WARNING - ALL modules must be probed BEFORE you begin making the pkg! # # 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 will call it directly to probe all the modules you have logged! # # 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= ### Disable Deadline I/O scheduler _deadline_disable= ### Disable CFQ I/O scheduler _CFQ_disable= ### Disable Kyber I/O scheduler _kyber_disable= ### Disable MQ scheduling _mq_disable= ### Running with a 1000 HZ tick rate _1k_HZ_ticks= ### Do no edit below this line unless you know what you're doing pkgbase=linux-bfq-mq #pkgbase=linux-custom # Build kernel with a different name _major=4.20 pkgver=4.20.16 _srcpatch="${pkgver}" _srcname="linux-${pkgver}" pkgrel=1 arch=('x86_64') url="https://github.com/Algodev-github/bfq-mq/" license=('GPL2') makedepends=('kmod' 'inetutils' 'bc' 'libelf' 'python-sphinx' 'graphviz') options=('!strip') _bfqpath="https://gitlab.com/tom81094/custom-patches/raw/master/bfq-mq" _lucjanpath="https://gitlab.com/sirlucjan/kernel-patches/raw/master/${_major}" #_lucjanpath="https://raw.githubusercontent.com/sirlucjan/kernel-patches/master/${_major}" _gcc_path="https://raw.githubusercontent.com/graysky2/kernel_gcc_patch/master" _gcc_patch="enable_additional_cpu_optimizations_for_gcc_v8.1+_kernel_v4.13+.patch" _bfq_sq_mq_path="bfq-sq-mq" _bfq_sq_mq_ver='v10r1' _bfq_sq_mq_rel='2K190313-rc1' _bfq_sq_mq_patch="${_major}-bfq-sq-mq-${_bfq_sq_mq_ver}-${_bfq_sq_mq_rel}.patch" source=(# mainline kernel patches "https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz" "https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.sign" # gcc cpu optimizatons from graysky and ck "${_gcc_path}/${_gcc_patch}" # bfq-mq patch "${_lucjanpath}/${_bfq_sq_mq_path}/${_bfq_sq_mq_patch}" "${_lucjanpath}/0100-Check-presence-on-tree-of-every-entity-after-every-a.patch" "${_lucjanpath}/arch-patches/0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch" "${_lucjanpath}/arch-patches-ports/0001-netfilter-nf_tables-fix-set-double-free-in-abort-pat.patch" # the main kernel config files 'config' # pacman hook for depmod '60-linux.hook' # pacman hook for initramfs regeneration '90-linux.hook' # pacman hook for remove initramfs '99-linux.hook' # standard config files for mkinitcpio ramdisk 'linux.preset') sha256sums=('5e6427b368880e958c05467967b001426cb00e1c5984f5eaf73ca7ee1d54fc96' 'SKIP' '9f7177679c8d3f8d699ef0566a51349d828436dba04603bc2223f98c60d2d178' 'b344396974ff65c229764e601ce03fdfa2deedb55bf31b28aaf30d64e12bb1c2' 'eb3cb1a9e487c54346b798b57f5b505f8a85fd1bc839d8f00b2925e6a7d74531' 'f7cc42c0ea00aec3debc72a62a1f29f9a267bcba3decb5becb47da5d4741ac79' '87be2851493faa5f95cb22d88d7248dee2b103f06520e978a95f63c7612fa3b8' 'cdd585dc4e6ad714ca9761aa8b4c1d965ae952e74d057a884ef509190e9f5a8a' 'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21' 'c043f3033bb781e2688794a59f6d1f7ed49ef9b13eb77ff9a425df33a244a636' 'ed9d35cb7d7bd829ff6253353efa5e2d119820fe4f4310aea536671f5e4caa37' 'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65') validpgpkeys=( '647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman ) _kernelname=${pkgbase#linux} : ${_kernelname:=-bfq-mq} prepare() { cd ${_srcname} ### Setting version msg2 "Setting version..." sed -e "/^EXTRAVERSION =/s/=.*/=/" -i Makefile scripts/setlocalversion --save-scmversion echo "-$pkgrel" > localversion.10-pkgrel echo "$_kernelname" > localversion.20-pkgname ### Patching sources local src for src in "${source[@]}"; do src="${src%%::*}" src="${src##*/}" [[ $src = *.patch ]] || continue msg2 "Applying patch $src..." patch -Np1 < "../$src" done ### Setting config msg2 "Setting config..." cp ../config .config make olddefconfig ### Prepared version make -s kernelrelease > ../version msg2 "Prepared %s version %s" "$pkgbase" "$(<../version)" ### Optionally set tickrate to 1000 if [ -n "$_1k_HZ_ticks" ]; then msg "Setting tick rate to 1k..." sed -i -e 's/^CONFIG_HZ_300=y/# CONFIG_HZ_300 is not set/' \ -i -e 's/^# CONFIG_HZ_1000 is not set/CONFIG_HZ_1000=y/' \ -i -e 's/^CONFIG_HZ=300/CONFIG_HZ=1000/' ./.config fi ### Enable fancontrol if [ -n "$_dell_fancontrol" ]; then msg "Enabling I8K for Dell..." sed -i -e s'/^CONFIG_I8K=m/CONFIG_I8K=y/' \ -i -e s'/^CONFIG_SENSORS_DELL_SMM=m/CONFIG_SENSORS_DELL_SMM=y/' ./.config fi ### Set performance governor if [ -n "$_per_gov" ]; then msg "Setting performance governor.." sed -i -e s'/^CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL=y/# CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL is not set/' \ -i -e s'/^# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set/CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y/' ./.config msg "Disabling uneeded governors..." sed -i -e s'/^CONFIG_CPU_FREQ_GOV_ONDEMAND=m/# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set/' \ -i -e s'/^CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m/# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set/' \ -i -e s'/^CONFIG_CPU_FREQ_GOV_USERSPACE=m/# CONFIG_CPU_FREQ_GOV_USERSPACE is not set/' \ -i -e s'/^CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y/# CONFIG_CPU_FREQ_GOV_SCHEDUTIL is not set/' ./.config fi ### Optionally disable NUMA for 64-bit kernels only # (x86 kernels do not support NUMA) if [ -n "$_NUMAdisable" ]; then msg "Disabling NUMA from kernel config..." sed -i -e 's/CONFIG_NUMA=y/# CONFIG_NUMA is not set/' \ -i -e '/CONFIG_AMD_NUMA=y/d' \ -i -e '/CONFIG_X86_64_ACPI_NUMA=y/d' \ -i -e '/CONFIG_NODES_SPAN_OTHER_NODES=y/d' \ -i -e '/# CONFIG_NUMA_EMU is not set/d' \ -i -e '/CONFIG_NODES_SHIFT=6/d' \ -i -e '/CONFIG_NEED_MULTIPLE_NODES=y/d' \ -i -e '/# CONFIG_MOVABLE_NODE is not set/d' \ -i -e '/CONFIG_USE_PERCPU_NUMA_NODE_ID=y/d' \ -i -e '/CONFIG_ACPI_NUMA=y/d' ./.config fi ### Optionally use running kernel's config # code originally by nous; http://aur.archlinux.org/packages.php?ID=40191 if [ -n "$_use_current" ]; then if [[ -s /proc/config.gz ]]; then msg "Extracting config from /proc/config.gz..." # modprobe configs zcat /proc/config.gz > ./.config else warning "Your kernel was not compiled with IKCONFIG_PROC!" warning "You cannot read the current config!" warning "Aborting!" exit fi fi ### Disable Deadline I/O scheduler if [ -n "$_deadline_disable" ]; then msg "Disabling Deadline I/O scheduler..." sed -i -e s'/CONFIG_IOSCHED_DEADLINE=y/# CONFIG_IOSCHED_DEADLINE is not set/' ./.config sed -i -e s'/CONFIG_MQ_IOSCHED_DEADLINE=y/# CONFIG_MQ_IOSCHED_DEADLINE is not set/' ./.config fi ### Disable CFQ I/O scheduler if [ -n "$_CFQ_disable" ]; then msg "Disabling CFQ I/O scheduler..." sed -i -e s'/^CONFIG_IOSCHED_CFQ=y/# CONFIG_IOSCHED_CFQ is not set/' \ -i -e s'/^CONFIG_CFQ_GROUP_IOSCHED=y/# CONFIG_CFQ_GROUP_IOSCHED is not set/' ./.config fi ### Disable Kyber I/O scheduler if [ -n "$_kyber_disable" ]; then msg "Disabling Kyber I/O scheduler..." sed -i -e s'/CONFIG_MQ_IOSCHED_KYBER=y/# CONFIG_MQ_IOSCHED_KYBER is not set/' ./.config fi ### Disable MQ scheduling if [ -n "$_mq_disable" ]; then msg2 "Disabling MQ scheduling..." sed -i -e s'/^CONFIG_SCSI_MQ_DEFAULT=y/# CONFIG_SCSI_MQ_DEFAULT is not set/' \ -i -e s'/^CONFIG_DM_MQ_DEFAULT=y/# CONFIG_DM_MQ_DEFAULT is not set/' ./.config fi ### Optionally load needed modules for the make localmodconfig # See https://aur.archlinux.org/packages/modprobed-db if [ -n "$_localmodcfg" ]; then msg2 "If you have modprobed-db installed, running it in recall mode now" if [ -e /usr/bin/modprobed-db ]; then [[ -x /usr/bin/sudo ]] || { echo "Cannot call modprobe with sudo. Install sudo and configure it to work with this user." exit 1; } sudo /usr/bin/modprobed-db recall make localmodconfig fi fi # save configuration for later reuse cat .config > "${startdir}/config.last" } build() { cd ${_srcname} make bzImage modules htmldocs } _package() { pkgdesc="The ${pkgbase/linux/Linux} kernel and modules with the BFQ-MQ scheduler" depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7') optdepends=('crda: to set the correct wireless channels of your country' 'modprobed-db: Keeps track of EVERY kernel module that has ever been probed - useful for those of us who make localmodconfig') provides=("${pkgbase}=${pkgver}" "linux=${pkgver}") backup=("etc/mkinitcpio.d/${pkgbase}.preset") install=linux.install local kernver="$( "$startdir/$install.pkg" true && install=$install.pkg # fill in mkinitcpio preset and pacman hooks sed "$subst" ../linux.preset | install -Dm644 /dev/stdin \ "$pkgdir/etc/mkinitcpio.d/$pkgbase.preset" sed "$subst" ../60-linux.hook | install -Dm644 /dev/stdin \ "$pkgdir/usr/share/libalpm/hooks/60-${pkgbase}.hook" sed "$subst" ../90-linux.hook | install -Dm644 /dev/stdin \ "$pkgdir/usr/share/libalpm/hooks/90-${pkgbase}.hook" sed "$subst" ../99-linux.hook | install -Dm644 /dev/stdin \ "$pkgdir/usr/share/libalpm/hooks/99-${pkgbase}.hook" msg2 "Fixing permissions..." chmod -Rc u=rwX,go=rX "$pkgdir" } _package-headers() { pkgdesc="Header files and scripts for building modules for ${pkgbase/linux/Linux} kernel" provides=("${pkgbase}-headers=${pkgver}" "linux-headers=${pkgver}") depends=("${pkgbase}=${pkgver}") local builddir="$pkgdir/usr/lib/modules/$(