# git gc
# git rev-parse -q --verify 6861025cd04f5c10af4c542065de4201d8a9eb90^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
# git rev-parse -q --verify 6861025cd04f5c10af4c542065de4201d8a9eb90^{commit}
6861025cd04f5c10af4c542065de4201d8a9eb90
# git checkout -q -f -B kisskb 6861025cd04f5c10af4c542065de4201d8a9eb90
# git clean -qxdf
# < git log -1
# commit 6861025cd04f5c10af4c542065de4201d8a9eb90
# Merge: 6c02f6f4124b dd024ff25b0c
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Sat Dec 19 20:32:54 2020 +0900
# 
#     Merge branch 'kbuild' into for-next
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 6861025cd04f5c10af4c542065de4201d8a9eb90
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 80 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
# make -s -j 80 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:33: LSE atomics not supported by binutils
Completed OK
# rm -rf /kisskb/build/kbuild_arm64-defconfig_arm64-gcc5.4
# Build took: 0:11:53.457148