# git rev-parse -q --verify c21dc62879c153cfa5950ec3d0e8c5eb9565c46a^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
# 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/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 c21dc62879c153cfa5950ec3d0e8c5eb9565c46a
# < make -s -j 24 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 24 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 24 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 24 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9
# Build took: 0:00:33.736391