linux-nc kernel containing vfio patches, valve's fsync, the zstd compressed kernel patch from the LKML in November 2018, and a patch to enable modules compressed by zstd.

1 files changed, 251 insertions, 0 deletions

diff --git a/PKGBUILD b/PKGBUILD
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+++ b/PKGBUILD
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+# Maintainer: Michael Tindal <mj.tindal@gmail.com>
+# Contributor: Dan Ziemba <zman0900@gmail.com>
+# Contributor: Mark Weiman <markzz@archlinux.net>
+
+pkgbase=linux-nc
+_srcname=linux-5.4
+pkgver=5.4.4
+pkgrel=4
+arch=('x86_64')
+url="https://www.kernel.org/"
+license=('GPL2')
+makedepends=('xmlto' 'kmod' 'inetutils' 'bc' 'libelf')
+options=('!strip')
+source=(
+  https://cdn.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.{xz,sign}
+  https://cdn.kernel.org/pub/linux/kernel/v5.x/patch-${pkgver}.xz
+  config         # the main kernel config file
+  60-linux.hook  # pacman hook for depmod
+  90-linux.hook  # pacman hook for initramfs regeneration
+  linux.preset   # standard config files for mkinitcpio ramdisk
+  # patches for pci passthrough
+  add-acs-overrides.patch
+  0007-v5.4-fsync.patch
+  0008-add-zstd-kernel-compression.patch
+  0009-add-zstd-compressed-modules.patch
+)
+validpgpkeys=(
+  'ABAF11C65A2970B130ABE3C479BE3E4300411886'  # Linus Torvalds
+  '647F28654894E3BD457199BE38DBBDC86092693E'  # Greg Kroah-Hartmanj
+)
+sha256sums=('bf338980b1670bca287f9994b7441c2361907635879169c64ae78364efc5f491'
+            'SKIP'
+            '122fddb7e64187ac1c4cb00594901dfbff2c6bd94d4676c4f14f26cac03429b5'
+            '9506b290fe5ec403f05a020e65e5b2540c11bf20b1a8ceb5bb8ca872bf3c464b'
+            'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21'
+            '8f407ad5ff6eff106562ba001c36a281134ac9aa468a596aea660a4fe1fd60b5'
+            '99d0102c8065793096b8ea2ccc01c41fa3dcb96855f9f6f2c583b2372208c6f9'
+            '90917e09bb06fbed6853efe9e52f8c2ba4066fca44accdf7608222212561104a'
+            '2d9260b80b43bbd605cf420d6bd53aa7262103dfd77196ba590ece5600b6dc0d'
+            '0b7349ff2ee3828a70681f1619d5e1b3c69b44f503bfc5a926c6d0a9e5732f8d'
+            'a27ad8905df9d886a829b4ae62c62a8b20beb5829ea4af45692ffe8c5d0d94fd')
+
+_kernelname=${pkgbase#linux}
+: ${_kernelname:=-ARCH}
+
+prepare() {
+  cd ${_srcname}
+
+  # add upstream patch
+  patch -p1 -i ../patch-${pkgver}
+
+  # add latest fixes from stable queue, if needed
+#  http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
+
+  # patches for vga arbiter fix in intel systems
+#  patch -p1 -i "${srcdir}/i915-vga-arbiter.patch"
+
+  # Overrides for missing acs capabilities
+  patch -p1 -i "${srcdir}/add-acs-overrides.patch"
+
+  # FSync
+  patch -p1 -i "${srcdir}/0007-v5.4-fsync.patch"
+
+  # ZSTD kernel image
+  patch -p1 -i "${srcdir}/0008-add-zstd-kernel-compression.patch"
+
+  # ZSTD modules
+  patch -p1 -i "${srcdir}/0009-add-zstd-compressed-modules.patch"
+
+  cat ../config - >.config <<END
+CONFIG_LOCALVERSION="${_kernelname}"
+CONFIG_LOCALVERSION_AUTO=n
+END
+
+  # set extraversion to pkgrel and empty localversion
+  sed -e "/^EXTRAVERSION =/s/=.*/= -${pkgrel}/" \
+      -e "/^EXTRAVERSION =/aLOCALVERSION =" \
+      -i Makefile
+
+  # don't run depmod on 'make install'. We'll do this ourselves in packaging
+  sed -i '2iexit 0' scripts/depmod.sh
+
+  # get kernel version
+  make prepare
+
+  # load configuration
+  # Configure the kernel. Replace the line below with one of your choice.
+  #make menuconfig # CLI menu for configuration
+  #make nconfig # new CLI menu for configuration
+  #make xconfig # X-based configuration
+  # ... or manually edit .config
+
+  #make LSMOD=$HOME/.config/modprobed.db localmodconfig
+
+  # rewrite configuration
+  yes "" | make config >/dev/null
+}
+
+build() {
+  cd ${_srcname}
+
+  make bzImage modules
+}
+
+_package() {
+  pkgdesc="The ${pkgbase/linux/Linux} kernel and modules"
+  [ "${pkgbase}" = "linux" ] && groups=('base')
+  depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7')
+  optdepends=('crda: to set the correct wireless channels of your country')
+  backup=("etc/mkinitcpio.d/${pkgbase}.preset")
+  install=linux.install
+
+  cd ${_srcname}
+
+  # get kernel version
+  _kernver="$(make kernelrelease)"
+  _basekernel=${_kernver%%-*}
+  _basekernel=${_basekernel%.*}
+
+  mkdir -p "${pkgdir}"/{boot,usr/lib/modules}
+  make INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
+  cp arch/x86/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
+
+  # make room for external modules
+  local _extramodules="extramodules-${_basekernel}${_kernelname}"
+  ln -s "../${_extramodules}" "${pkgdir}/usr/lib/modules/${_kernver}/extramodules"
+
+  # add real version for building modules and running depmod from hook
+  echo "${_kernver}" |
+    install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_extramodules}/version"
+
+  # remove build and source links
+  rm "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build}
+
+  # now we call depmod...
+  depmod -b "${pkgdir}/usr" -F System.map "${_kernver}"
+
+  # add vmlinux
+  install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux
+
+  # sed expression for following substitutions
+  local _subst="
+    s|%PKGBASE%|${pkgbase}|g
+    s|%KERNVER%|${_kernver}|g
+    s|%EXTRAMODULES%|${_extramodules}|g
+  "
+
+  # hack to allow specifying an initially nonexisting install file
+  sed "${_subst}" "${startdir}/${install}" > "${startdir}/${install}.pkg"
+  true && install=${install}.pkg
+
+  # install mkinitcpio preset file
+  sed "${_subst}" "${startdir}/linux.preset" |
+    install -Dm644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
+
+  # install pacman hooks
+  sed "${_subst}" "${startdir}/60-linux.hook" |
+    install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/60-${pkgbase}.hook"
+  sed "${_subst}" "${startdir}/90-linux.hook" |
+    install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/90-${pkgbase}.hook"
+}
+
+_package-headers() {
+  pkgdesc="Header files and scripts for building modules for ${pkgbase/linux/Linux} kernel"
+
+  cd ${_srcname}
+  local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"
+
+  install -Dt "${_builddir}" -m644 Makefile .config Module.symvers
+  install -Dt "${_builddir}/kernel" -m644 kernel/Makefile
+
+  mkdir "${_builddir}/.tmp_versions"
+
+  cp -t "${_builddir}" -a include scripts
+
+  install -Dt "${_builddir}/arch/x86" -m644 arch/x86/Makefile
+  install -Dt "${_builddir}/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
+
+  cp -t "${_builddir}/arch/x86" -a arch/x86/include
+
+  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
+
+  # add xfs and shmem for aufs building
+  mkdir -p "${_builddir}"/{fs/xfs,mm}
+
+  # copy in Kconfig files
+  find . -name Kconfig\* -exec install -Dm644 {} "${_builddir}/{}" \;
+
+  # add objtool for external module building and enabled VALIDATION_STACK option
+  install -Dt "${_builddir}/tools/objtool" tools/objtool/objtool
+
+  # remove unneeded architectures
+  local _arch
+  for _arch in "${_builddir}"/arch/*/; do
+    [[ ${_arch} == */x86/ ]] && continue
+    rm -r "${_arch}"
+  done
+
+  # remove files already in linux-docs package
+  rm -r "${_builddir}/Documentation"
+
+  # remove now broken symlinks
+  find -L "${_builddir}" -type l -printf 'Removing %P\n' -delete
+
+  # Fix permissions
+  chmod -R u=rwX,go=rX "${_builddir}"
+
+  # strip scripts directory
+  local _binary _strip
+  while read -rd '' _binary; do
+    case "$(file -bi "${_binary}")" in
+      *application/x-sharedlib*)  _strip="${STRIP_SHARED}"   ;; # Libraries (.so)
+      *application/x-archive*)    _strip="${STRIP_STATIC}"   ;; # Libraries (.a)
+      *application/x-executable*) _strip="${STRIP_BINARIES}" ;; # Binaries
+      *) continue ;;
+    esac
+    /usr/bin/strip ${_strip} "${_binary}"
+  done < <(find "${_builddir}/scripts" -type f -perm -u+w -print0 2>/dev/null)
+}
+
+_package-docs() {
+  pkgdesc="Kernel hackers manual - HTML documentation that comes with the ${pkgbase/linux/Linux} kernel"
+
+  cd ${_srcname}
+  local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"
+
+  mkdir -p "${_builddir}"
+  cp -t "${_builddir}" -a Documentation
+
+  # Fix permissions
+  chmod -R u=rwX,go=rX "${_builddir}"
+}
+
+pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-docs")
+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: