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# Maintainer: Peter Jung <admin@ptr1337.dev>
# Maintainer: Andreas Radke <andyrtr@archlinux.org>
# 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 fsync
_fsync=y
#enable futex2
_futex2=y
### Set performance governor as default
_per_gov=y
### Disable Deadline I/O scheduler
_deadline_disable=y
### Disable Kyber I/O scheduler
_kyber_disable=y
### Running with a 2000 HZ, 1000HZ or 500HZ tick rate
_2k_HZ_ticks=
_1k_HZ_ticks=y
_750_HZ_ticks=
_500_HZ_ticks=
### Enable protect file mappings under memory pressure
_mm_protect=y
pkgbase=linux-cacule-lts
pkgver=5.10.76
pkgrel=1
pkgdesc='LTS Linux'
url="https://www.kernel.org/"
arch=(x86_64)
license=(GPL2)
makedepends=(
bc kmod libelf pahole cpio perl tar xz
xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick
)
options=('!strip')
_srcname=linux-$pkgver
_patchsource="https://raw.githubusercontent.com/ptr1337/kernel-patches/master/5.10"
_caculepatches="https://raw.githubusercontent.com/ptr1337/kernel-patches/master/CacULE"
source=(
https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.xz
config
"${_patchsource}/arch-patches-v14/0001-arch-patches.patch"
"${_caculepatches}/v5.10/cacule-5.10.patch"
"${_patchsource}/cpu-patches-v2/0001-cpu-patches.patch"
"${_patchsource}/futex-trunk-patches-v2/0001-futex-resync-from-gitlab.collabora.com.patch"
"${_patchsource}/futex2-trunk-patches-v3/0001-futex2-resync-from-gitlab.collabora.com.patch"
# "${_patchsource}/zen-patches/0001-zen-patches.patch"
"${_patchsource}/ll-patches/0001-LL-kconfig-add-750Hz-timer-interrupt-kernel-config-o.patch"
"${_patchsource}/ll-patches/0003-sched-core-nr_migrate-256-increases-number-of-tasks-.patch"
"${_patchsource}/ll-patches/0004-mm-set-8-megabytes-for-address_space-level-file-read.patch"
"${_patchsource}/lqx-patches-v4/0001-lqx-patches.patch"
# "${_patchsource}/fixes-miscellaneous-v11/0001-fixes-miscellaneous.patch"
"${_patchsource}/bbr2-patches-v3/0001-bbr2-5.10-introduce-BBRv2.patch"
"${_patchsource}/android-patches/0001-android-patches.patch"
"${_patchsource}/pf-patches-v11/0001-pf-patches.patch"
"${_patchsource}/le9db_patches/le9db1-5.10.patch"
# "${_patchsource}/ntfs3-patches-v7/0001-ntfs3-patches.patch"
"${_patchsource}/zstd-upstream-patches/0001-zstd-upstream-patches.patch"
# "${_patchsource}/ksm-patches/0001-ksm-patches.patch"
# "${_patchsource}/v4l2loopback-patches-v2/0001-v4l2loopback-patches.patch"
)
sha256sums=('480a09ba1962862ff18df9453fa0df6ba11cbe19eefedeab81bf2c84f49e1890'
'a6177905fb3fd5f187dc33f07d175ae6715bd25225540d5aaee2900c5785765d'
'9ec9ac50a8bdd645c456feab4a0ca9b7ffe6dcd0933a89ba96112f8bdedbf0ae'
'3d4a0602425000d18162fdd45c6f13dd1c5ef78ef3b5b7f19365a8b0cf030c3a'
'152e251586eec29990fa4cc30c561b7e49acb765434b70634501b398e4c1fe2e'
'239307e0018ab2405b9afaa7d315ee3352b83819a3c75b65951749b52a3247d2'
'5822e657656278e3bd223f0036e35b4b3d04785874473b60955a03a3c46d757b'
'2bb3453e3d7bd3111f8bce4366b19ecb5f02db18e4084815f7e75ce3edc84a30'
'331dd459a21a4afd65e2c59848666b9dd420f87f4ad01ec3012b47f3acc992ef'
'77ff83080ce0b83c81bc085a0e276b08db572aed725dacc5a1b804c9d0f36733'
'9657bca3947ee6ab31a1921d26859f83250d278c42908544b0c6816b2c338086'
'167d1732e57601dece7eec95d22bcbc43b1b2815fd73182933c1757abe7189b7'
'1d909c6a13e85f5aca33ebc70988428fcc7954cfcfdc2f60c71b741e9d52bbcf'
'5dcbaf27074975eedd1ba93edaee9ffe59fdbd8af5cd3d848fd5c3873d451462'
'56cc0ffee3005fc81b0488348861ceea035ebd1356eec1512c53e786e206ff06'
'137811c7d916c608f9ebb7e4d82ec93ea7592d99fe6394cf908c0e12e9881a7d')
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
### Setting config
echo "Setting config..."
cp "${srcdir}"/config .config
make olddefconfig
### CPU_ARCH SCRIPT ##
source "${startdir}"/configure
cpu_arch
### Optionally set tickrate to 2000HZ
if [ -n "$_2k_HZ_ticks" ]; then
echo "Setting tick rate to 2k..."
scripts/config --disable CONFIG_HZ_300
scripts/config --enable CONFIG_HZ_2000
scripts/config --set-val CONFIG_HZ 2000
fi
### Optionally set tickrate to 1000
if [ -n "$_1k_HZ_ticks" ]; then
echo "Setting tick rate to 1k..."
scripts/config --disable CONFIG_HZ_300
scripts/config --enable CONFIG_HZ_1000
scripts/config --set-val CONFIG_HZ 1000
fi
### Optionally set tickrate to 500HZ
if [ -n "$_750_HZ_ticks" ]; then
echo "Setting tick rate to 500HZ..."
scripts/config --disable CONFIG_HZ_300
scripts/config --enable CONFIG_HZ_750
scripts/config --set-val CONFIG_HZ 750
fi
### Optionally set tickrate to 500HZ
if [ -n "$_500_HZ_ticks" ]; then
echo "Setting tick rate to 500HZ..."
scripts/config --disable CONFIG_HZ_300
scripts/config --enable CONFIG_HZ_500
scripts/config --set-val CONFIG_HZ 500
fi
### Optionally disable NUMA for 64-bit kernels only
# (x86 kernels do not support NUMA)
if [ -n "$_NUMAdisable" ]; then
echo "Disabling NUMA from kernel config..."
scripts/config --disable CONFIG_NUMA
fi
if [ -n "$_fsync" ]; then
echo "Enable Fsync support"
scripts/config --enable CONFIG_FUTEX
scripts/config --enable CONFIG_FUTEX_PI
fi
if [ -n "$_futex2" ]; then
echo "Enable Futex2 support"
scripts/config --enable CONFIG_FUTEX2
fi
if [ -n "$_winesync" ]; then
echo "Enable winesync support"
scripts/config --module CONFIG_WINESYNC
fi
### Set performance governor
if [ -n "$_per_gov" ]; then
echo "Setting performance governor..."
scripts/config --disable CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL
scripts/config --enable CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
echo "Disabling uneeded governors..."
scripts/config --enable CONFIG_CPU_FREQ_GOV_ONDEMAND
scripts/config --disable CONFIG_CPU_FREQ_GOV_CONSERVATIVE
scripts/config --disable CONFIG_CPU_FREQ_GOV_USERSPACE
scripts/config --disable CONFIG_CPU_FREQ_GOV_SCHEDUTIL
fi
### Disable Deadline I/O scheduler
if [ -n "$_deadline_disable" ]; then
echo "Disabling Deadline I/O scheduler..."
scripts/config --disable CONFIG_MQ_IOSCHED_DEADLINE
fi
### Disable Kyber I/O scheduler
if [ -n "$_kyber_disable" ]; then
echo "Disabling Kyber I/O scheduler..."
scripts/config --disable CONFIG_MQ_IOSCHED_KYBER
fi
if [ -n "$_mm_protect" ]; then
echo "Enabling protect file mappings under memory pressure..."
# scripts/config --enable CONFIG_UNEVICTABLE_FILE
scripts/config --set-val CONFIG_CLEAN_LOW_KBYTES 150000
scripts/config --set-val CONFIG_CLEAN_MIN_KBYTES 0
fi
### Enabling Cacule-Config ##
echo "Enable CacULE CPU scheduler..."
scripts/config --enable CONFIG_CACULE_SCHED
scripts/config --enable CONFIG_FAIR_GROUP_SCHED
scripts/config --enable CONFIG_SCHED_AUTOGROUP
scripts/config --enable CONFIG_CONTEXT_TRACKING
scripts/config --disable CONFIG_CONTEXT_TRACKING_FORCE
echo "Enabling KBUILD_CFLAGS -O3..."
scripts/config --enable CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
scripts/config --disable CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3
echo "Enable PREEMPT"
scripts/config --disable CONFIG_PREEMPT_NONE
scripts/config --disable CONFIG_PREEMPT_VOLUNTARY
scripts/config --enable CONFIG_PREEMPT
scripts/config --enable CONFIG_PREEMPT_COUNT
scripts/config --enable CONFIG_PREEMPTION
scripts/config --enable CONFIG_PREEMPT_DYNAMIC
echo "Enable NTFS3"
scripts/config --module CONFIG_NTFS_FS
scripts/config --enable CONFIG_NTFS_RW
scripts/config --enable CONFIG_NTFS_DEBUG
scripts/config --module CONFIG_NTFS3_FS
scripts/config --enable CONFIG_NTFS3_64BIT_CLUSTER
scripts/config --enable CONFIG_NTFS3_LZX_XPRESS
scripts/config --enable CONFIG_NTFS3_FS_POSIX_ACL
echo "Enable Anbox"
scripts/config --module CONFIG_ASHMEM
scripts/config --enable CONFIG_ANDROID_BINDER_IPC_SELFTEST
scripts/config --enable CONFIG_ANDROID
scripts/config --enable CONFIG_ANDROID_BINDER_IPC
scripts/config --enable CONFIG_ANDROID_BINDERFS
scripts/config --set-str CONFIG_ANDROID_BINDER_DEVICES binder,hwbinder,vndbinder
echo "Disabling TCP_CONG_CUBIC..."
scripts/config --module CONFIG_TCP_CONG_CUBIC
scripts/config --disable CONFIG_DEFAULT_CUBIC
echo "Enabling TCP_CONG_BBR2..."
scripts/config --enable CONFIG_TCP_CONG_BBR2
scripts/config --enable CONFIG_DEFAULT_BBR2
scripts/config --set-str CONFIG_DEFAULT_TCP_CONG bbr2
echo "Enable VHBA-Module"
scripts/config --module CONFIG_VHBA
echo "Setting config..."
cp ../config .config
make olddefconfig
#return 1
make -s kernelrelease > version
echo "Prepared $pkgbase version $(<version)"
}
build() {
cd $_srcname
make -j$(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')
provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)
replaces=(wireguard-lts)
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="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install
# remove build and source links
rm "$modulesdir"/{source,build}
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
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 "$builddir" -a scripts
# add objtool for external module building and enabled VALIDATION_STACK option
install -Dt "$builddir/tools/objtool" tools/objtool/objtool
# add xfs and shmem for aufs building
mkdir -p "$builddir"/{fs/xfs,mm}
echo "Installing headers..."
cp -t "$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
# http://bugs.archlinux.org/task/13146
install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
# http://bugs.archlinux.org/task/20402
install -Dt "$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
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
# vim:set ts=8 sts=2 sw=2 et:
|