# git rev-parse -q --verify c21dc62879c153cfa5950ec3d0e8c5eb9565c46a^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify c21dc62879c153cfa5950ec3d0e8c5eb9565c46a^{commit}
c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# git checkout -q -f -B kisskb c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# git clean -qxdf
# < git log -1
# commit c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# Merge: fa6304910b7c 90d39628ac79
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Mon Dec 21 21:51:22 2020 +0900
# 
#     Merge branch 'kconfig' 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 c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# < make -s -j 120 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 120 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: 0:03:33.793478