Merge pull request 'Alternative AlmaLinux 8 kernel based on the mainline branch' (#11) from ykohut/kernel:a8-ml into a8-ml
Reviewed-on: #11
This commit is contained in:
commit
720847856d
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@ -0,0 +1,69 @@
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#! /bin/bash
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# The modules_sign target checks for corresponding .o files for every .ko that
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# is signed. This doesn't work for package builds which re-use the same build
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# directory for every variant, and the .config may change between variants.
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# So instead of using this script to just sign lib/modules/$KernelVer/extra,
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# sign all .ko in the buildroot.
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# This essentially duplicates the 'modules_sign' Kbuild target and runs the
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# same commands for those modules.
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MODSECKEY=$1
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MODPUBKEY=$2
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moddir=$3
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modules=$(find "$moddir" -type f -name '*.ko*')
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NPROC=$(nproc)
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[ -z "$NPROC" ] && NPROC=1
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# NB: this loop runs 2000+ iterations. Try to be fast.
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echo "$modules" | xargs -r -n16 -P $NPROC sh -c "
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for mod; do
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module_basename=\${mod:0:-3}
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module_suffix=\${mod: -3}
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if [[ "\$module_suffix" == ".xz" ]]; then
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unxz \$mod
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./scripts/sign-file sha256 $MODSECKEY $MODPUBKEY \$module_basename
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xz -f \$module_basename
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elif [[ "\$module_suffix" == ".gz" ]]; then
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gunzip \$mod
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./scripts/sign-file sha256 $MODSECKEY $MODPUBKEY \$module_basename
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gzip -9f \$module_basename
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else
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./scripts/sign-file sha256 $MODSECKEY $MODPUBKEY \$mod
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fi
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rm -f \$module_basename.sig \$module_basename.dig
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done
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" DUMMYARG0 # xargs appends ARG1 ARG2..., which go into $mod in for loop.
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RANDOMMOD=$(echo "$modules" | sort -R | head -n 1)
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rand_module_basename=${RANDOMMOD:0:-3}
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rand_module_suffix=${RANDOMMOD: -3}
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if [[ "$rand_module_suffix" == ".xz" ]]; then
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unxz $RANDOMMOD
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elif [[ "$rand_module_suffix" == ".gz" ]]; then
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gunzip $RANDOMMOD
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else
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rand_module_basename=$RANDOMMOD
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fi
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if [ "~Module signature appended~" != "$(tail -c 28 "$rand_module_basename")" ]; then
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echo "*****************************"
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echo "*** Modules are unsigned! ***"
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echo "*****************************"
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exit 1
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fi
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if [[ "$rand_module_suffix" == ".xz" ]]; then
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xz -f $rand_module_basename
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elif [[ "$rand_module_suffix" == ".gz" ]]; then
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gzip -9f $rand_module_basename
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else
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true
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fi
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exit 0
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@ -0,0 +1,16 @@
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[ req ]
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default_bits = 3072
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distinguished_name = req_distinguished_name
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prompt = no
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x509_extensions = myexts
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[ req_distinguished_name ]
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O = AlmaLinux
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CN = AlmaLinux kernel signing key
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emailAddress = security@almalinux.org
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[ myexts ]
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basicConstraints=critical,CA:FALSE
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keyUsage=digitalSignature
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subjectKeyIdentifier=hash
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authorityKeyIdentifier=keyid
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@ -34,11 +34,17 @@
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# vsdo install
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%define with_vdso_install %{?_without_vdso_install: 0} %{?!_without_vdso_install: 1}
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# Compress modules on all architectures that build modules.
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%ifarch x86_64
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%global zipmodules 1
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%else
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%global zipmodules 0
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%endif
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# Kernel-ml, devel, headers, perf, tools and bpftool.
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%ifarch x86_64
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%define with_doc 0
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%define doc_build_fail true
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%define zipmodules 1
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### as of kernel-ml-6.5.4, no more bpftool -ay
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%define with_bpftool 0
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%endif
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@ -51,7 +57,6 @@
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%define with_tools 0
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%define with_bpftool 0
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%define with_vdso_install 0
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%define zipmodules 0
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%endif
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# Compressed modules.
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@ -72,6 +77,21 @@
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# Set pkg_release.
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%define pkg_release 1%{?dist}%{?buildid}
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# Architectures upon which we can sign the kernel
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# for secure boot authentication.
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%ifarch x86_64 || aarch64
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%global signkernel 1
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%else
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%global signkernel 0
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%endif
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# Sign modules on all architectures that build modules.
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%ifarch x86_64 || aarch64
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%global signmodules 1
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%else
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%global signmodules 0
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%endif
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%define KVERREL %{pkg_version}-%{pkg_release}.%{_target_cpu}
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# Packages that need to be present before kernel-ml is installed
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@ -80,7 +100,7 @@
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%define initrd_prereq dracut >= 027
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Name: kernel-ml
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Summary: The Linux kernel. (The core of any Linux-based operating system.)
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Summary: Alternative AlmaLinux kernel based on the "mainline" branch. (The core of any Linux-based operating system.)
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Group: System Environment/Kernel
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License: GPLv2
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URL: https://www.kernel.org/
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@ -112,6 +132,12 @@ BuildRequires: asciidoc gettext libcap-devel libnl3-devel ncurses-devel pciutils
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%if %{with_bpftool}
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BuildRequires: binutils-devel python3-docutils zlib-devel
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%endif
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%if %{signkernel} || %{signmodules}
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BuildRequires: openssl
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%if %{signkernel}
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BuildRequires: nss-tools, pesign >= 0.10-4
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%endif
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%endif
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BuildConflicts: rhbuildsys(DiskFree) < 500Mb
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# Sources.
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@ -126,9 +152,18 @@ Source7: filter-x86_64.sh
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Source8: filter-modules.sh
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Source9: generate_bls_conf.sh
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# To build .src.rpm, run with '--with src'
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%if %{?_with_src:0}%{!?_with_src:1}
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NoSource: 0
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Source21: mod-sign.sh
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Source23: x509.genkey
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Source100: almalinuxdup1.x509
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Source101: almalinuxkpatch1.x509
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Source102: almalinuxsecurebootca0.cer
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%if %{signkernel}
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%define secureboot_ca_0 %{SOURCE102}
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%define secureboot_key_0 %{SOURCE102}
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%define pesign_name_0 almalinuxsecurebootca0
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%endif
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%description
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@ -408,6 +443,20 @@ fi
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%{__rm} -f newoptions-el8-%{_target_cpu}.txt
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%endif
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# Add DUP and kpatch certificates to system trusted keys for RHEL.
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%if %{signkernel} || %{signmodules}
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openssl x509 -inform der -in %{SOURCE100} -out rheldup3.pem
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openssl x509 -inform der -in %{SOURCE101} -out rhelkpatch1.pem
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cat rheldup3.pem rhelkpatch1.pem > certs/rhel.pem
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for i in config-%{version}-*; do
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sed -i 's@CONFIG_SYSTEM_TRUSTED_KEYS="*"@CONFIG_SYSTEM_TRUSTED_KEYS="certs/rhel.pem"@' $i
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done
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%else
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for i in config-%{version}-*; do
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sed -i 's@CONFIG_SYSTEM_TRUSTED_KEYS="*"@CONFIG_SYSTEM_TRUSTED_KEYS=""@' $i
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done
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%endif
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%{__mv} COPYING COPYING-%{version}
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# Do not use ambiguous python shebangs. RHEL 8 now has a new script
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@ -436,6 +485,10 @@ pushd linux-%{KVERREL} > /dev/null
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%{__make} -s ARCH=%{_target_cpu} oldconfig
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%if %{signkernel} || %{signmodules}
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cp %{SOURCE23} certs/
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%endif
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%{__make} -s ARCH=%{_target_cpu} %{?_smp_mflags} bzImage
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%{__make} -s ARCH=%{_target_cpu} %{?_smp_mflags} modules || exit 1
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@ -535,6 +588,11 @@ KernelVer=%{version}-%{release}.%{_target_cpu}
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%define __spec_install_post \
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%{__arch_install_post} \
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%{__os_install_post} \
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if [ "%{signmodules}" -eq "1" ]; then \
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cd linux-%{KVERREL} \
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%{SOURCE21} certs/signing_key.pem.sign certs/signing_key.x509.sign $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/ \
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cd - \
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fi \
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if [ "%{zipmodules}" -eq "1" ]; then \
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%{_bindir}/find $RPM_BUILD_ROOT/lib/modules/ -name '*.ko' -type f | \
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%{_bindir}/xargs --no-run-if-empty -P%{zcpu} %{__xz} \
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@ -551,6 +609,31 @@ KernelVer=%{version}-%{release}.%{_target_cpu}
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# into consideration when performing disk space calculations. (See bz #530778)
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dd if=/dev/zero of=$RPM_BUILD_ROOT/boot/initramfs-$KernelVer.img bs=1M count=20
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%if %{signkernel}
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# Sign the kernel image if we're using EFI.
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# aarch64 kernels are gziped EFI images.
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%ifarch x86_64
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SignImage=arch/x86/boot/bzImage
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%endif
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%ifarch aarch64
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SignImage=arch/arm64/boot/Image
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%endif
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%pesign -s -i $SignImage -o vmlinuz.signed -a %{secureboot_ca_0} -c %{secureboot_key_0} -n %{pesign_name_0}
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if [ ! -s vmlinuz.signed ]; then
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echo "pesigning failed"
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exit 1
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fi
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mv vmlinuz.signed $SignImage
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%ifarch aarch64
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gzip -f9 $SignImage
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%endif
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%endif
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%{__cp} arch/x86/boot/bzImage $RPM_BUILD_ROOT/boot/vmlinuz-$KernelVer
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%{__chmod} 755 $RPM_BUILD_ROOT/boot/vmlinuz-$KernelVer
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%{__cp} $RPM_BUILD_ROOT/boot/vmlinuz-$KernelVer $RPM_BUILD_ROOT/lib/modules/$KernelVer/vmlinuz
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@ -778,6 +861,18 @@ popd > /dev/null
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%{_bindir}/find $RPM_BUILD_ROOT/usr/src/kernels -name '.*.cmd' -type f | \
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%{_bindir}/xargs --no-run-if-empty %{__rm} -f
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# Red Hat UEFI Secure Boot CA certificate, which can be used to authenticate the kernel.
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mkdir -p $RPM_BUILD_ROOT%{_datadir}/doc/%{name}-keys/%{KVERREL}
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%if %{signkernel}
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install -m 0644 %{secureboot_ca_0} $RPM_BUILD_ROOT%{_datadir}/doc/%{name}-keys/%{KVERREL}/kernel-signing-ca.cer
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%endif
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%if %{signmodules}
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# Save the signing keys so that we can sign the modules in __modsign_install_post.
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cp certs/signing_key.pem certs/signing_key.pem.sign
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cp certs/signing_key.x509 certs/signing_key.x509.sign
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%endif
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# Create a boot loader script configuration file for this kernel.
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%{SOURCE9} $KernelVer $RPM_BUILD_ROOT ""
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%endif
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@ -1115,6 +1210,7 @@ fi
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/lib/modules/%{KVERREL}%{?3:+%{3}}/updates\
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/lib/modules/%{KVERREL}%{?3:+%{3}}/weak-updates\
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/lib/modules/%{KVERREL}%{?3:+%{3}}/bls.conf\
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%{_datadir}/doc/%{name}-keys/%{KVERREL}%{?3:+%{3}}\
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%if %{1}\
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/lib/modules/%{KVERREL}%{?3:+%{3}}/vdso\
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%if 0\
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