# git rev-parse -q --verify 0477e92881850d44910a7e94fc2c46f96faa131f^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 0477e92881850d44910a7e94fc2c46f96faa131f^{commit}
0477e92881850d44910a7e94fc2c46f96faa131f
# git checkout -q -f -B kisskb 0477e92881850d44910a7e94fc2c46f96faa131f
# git clean -qxdf
# < git log -1
# commit 0477e92881850d44910a7e94fc2c46f96faa131f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Dec 6 14:25:12 2020 -0800
# 
#     Linux 5.10-rc7
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 0477e92881850d44910a7e94fc2c46f96faa131f
# < make -s -j 8 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  mainstone_defconfig
# < make -s -j 8 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  help
# make -s -j 8 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  olddefconfig
# make -s -j 8 ARCH=arm O=/kisskb/build/linus_mainstone_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  
Completed OK
# rm -rf /kisskb/build/linus_mainstone_defconfig_arm-gcc4.9
# Build took: 0:01:21.767011