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Diffstat (limited to 'sys-kernel/gentoo-kernel/gentoo-kernel-5.4.66.ebuild')
-rw-r--r--sys-kernel/gentoo-kernel/gentoo-kernel-5.4.66.ebuild137
1 files changed, 137 insertions, 0 deletions
diff --git a/sys-kernel/gentoo-kernel/gentoo-kernel-5.4.66.ebuild b/sys-kernel/gentoo-kernel/gentoo-kernel-5.4.66.ebuild
new file mode 100644
index 00000000000..ff0e401cd76
--- /dev/null
+++ b/sys-kernel/gentoo-kernel/gentoo-kernel-5.4.66.ebuild
@@ -0,0 +1,137 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit kernel-build
+
+MY_P=linux-${PV%.*}
+GENPATCHES_P=genpatches-${PV%.*}-$(( ${PV##*.} + 1 ))
+# https://koji.fedoraproject.org/koji/packageinfo?packageID=8
+CONFIG_VER=5.4.21
+CONFIG_HASH=2809b7faa6a8cb232cd825096c146b7bdc1e08ea
+
+DESCRIPTION="Linux kernel built with Gentoo patches"
+HOMEPAGE="https://www.kernel.org/"
+SRC_URI+=" https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
+ https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
+ https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
+ amd64? (
+ https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-x86_64.config
+ -> kernel-x86_64.config.${CONFIG_VER}
+ )
+ arm64? (
+ https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-aarch64.config
+ -> kernel-aarch64.config.${CONFIG_VER}
+ )
+ ppc64? (
+ https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-ppc64le.config
+ -> kernel-ppc64le.config.${CONFIG_VER}
+ )
+ x86? (
+ https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-i686.config
+ -> kernel-i686.config.${CONFIG_VER}
+ )"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="GPL-2"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+IUSE="debug"
+
+RDEPEND="
+ !sys-kernel/vanilla-kernel:${SLOT}
+ !sys-kernel/vanilla-kernel-bin:${SLOT}"
+BDEPEND="
+ debug? ( dev-util/dwarves )"
+
+pkg_pretend() {
+ ewarn "Starting with 5.4.52, Distribution Kernels are switching from Arch"
+ ewarn "Linux configs to Fedora. Please keep a backup kernel just in case."
+
+ kernel-install_pkg_pretend
+}
+
+src_prepare() {
+ local PATCHES=(
+ # meh, genpatches have no directory
+ "${WORKDIR}"/*.patch
+ )
+ default
+
+ # prepare the default config
+ case ${ARCH} in
+ amd64)
+ cp "${DISTDIR}/kernel-x86_64.config.${CONFIG_VER}" .config || die
+ ;;
+ arm64)
+ cp "${DISTDIR}/kernel-aarch64.config.${CONFIG_VER}" .config || die
+ ;;
+ ppc64)
+ cp "${DISTDIR}/kernel-ppc64le.config.${CONFIG_VER}" .config || die
+ ;;
+ x86)
+ cp "${DISTDIR}/kernel-i686.config.${CONFIG_VER}" .config || die
+ ;;
+ *)
+ die "Unsupported arch ${ARCH}"
+ ;;
+ esac
+
+ local config_tweaks=(
+ # replace (none) with gentoo
+ -e 's:^CONFIG_DEFAULT_HOSTNAME=:&"gentoo":'
+ # we do support x32
+ -e '/CONFIG_X86_X32/s:.*:CONFIG_X86_X32=y:'
+ # disable signatures
+ -e '/CONFIG_MODULE_SIG/d'
+ -e '/CONFIG_SECURITY_LOCKDOWN/d'
+ -e '/CONFIG_KEXEC_SIG/d'
+ -e '/CONFIG_KEXEC_BZIMAGE_VERIFY_SIG/d'
+ -e '/CONFIG_SYSTEM_EXTRA_CERTIFICATE/d'
+ -e '/CONFIG_SIGNATURE/d'
+ # remove massive array of LSMs
+ -e 's/CONFIG_LSM=.*/CONFIG_LSM="yama"/'
+ -e 's/CONFIG_DEFAULT_SECURITY_SELINUX=y/CONFIG_DEFAULT_SECURITY_DAC=y/'
+ # nobody actually wants fips
+ -e '/CONFIG_CRYPTO_FIPS/d'
+ # these tests are really not necessary
+ -e 's/.*CONFIG_CRYPTO_MANAGER_DISABLE_TESTS.*/CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y/'
+ # probably not needed by anybody but developers
+ -e '/CONFIG_CRYPTO_STATS/d'
+ # 1000hz is excessive for laptops
+ -e 's/CONFIG_HZ_1000=y/CONFIG_HZ_300=y/'
+ # nobody is using this kernel on insane super computers
+ -e 's/CONFIG_NR_CPUS=.*/CONFIG_NR_CPUS=512/'
+ # we're not actually producing live patches for folks
+ -e 's/CONFIG_LIVEPATCH=y/CONFIG_LIVEPATCH=n/'
+ # this slows down networking in general
+ -e 's/CONFIG_IP_FIB_TRIE_STATS=y/CONFIG_IP_FIB_TRIE_STATS=n/'
+ # include font for normal and hidpi screens
+ -e 's/.*CONFIG_FONTS.*/CONFIG_FONTS=y\nCONFIG_FONT_8x16=y\nCONFIG_FONT_TER16x32=y/'
+ # we don't need to actually install system headers from this ebuild
+ -e '/CONFIG_HEADERS_INSTALL/d'
+ # enable /proc/config.gz, used by linux-info.eclass
+ -e '/CONFIG_IKCONFIG/s:.*:CONFIG_IKCONFIG=y\nCONFIG_IKCONFIG_PROC=y:'
+ # WireGuard was backported to 5.4 but we use old configs (#739128)
+ -e '$aCONFIG_WIREGUARD=m'
+ )
+ use debug || config_tweaks+=(
+ -e '/CONFIG_DEBUG_INFO/d'
+ -e '/CONFIG_DEBUG_RODATA_TEST/d'
+ -e '/CONFIG_DEBUG_VM/d'
+ -e '/CONFIG_DEBUG_SHIRQ/d'
+ -e '/CONFIG_DEBUG_LIST/d'
+ -e '/CONFIG_BUG_ON_DATA_CORRUPTION/d'
+ -e '/CONFIG_TORTURE_TEST/d'
+ -e '/CONFIG_BOOTTIME_TRACING/d'
+ -e '/CONFIG_RING_BUFFER_BENCHMARK/d'
+ -e '/CONFIG_X86_DECODER_SELFTEST/d'
+ -e '/CONFIG_KGDB/d'
+ )
+ [[ ${ARCH} == x86 ]] && config_tweaks+=(
+ # fix autoenabling 64bit
+ -e '2i\
+# CONFIG_64BIT is not set'
+ )
+ sed -i "${config_tweaks[@]}" .config || die
+}