# git rev-parse -q --verify a1f91a8f560f43e1c24897d2e7f53c0952880d60^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
# git rev-parse -q --verify a1f91a8f560f43e1c24897d2e7f53c0952880d60^{commit}
a1f91a8f560f43e1c24897d2e7f53c0952880d60
# git checkout -q -f -B kisskb a1f91a8f560f43e1c24897d2e7f53c0952880d60
# git clean -qxdf
# < git log -1
# commit a1f91a8f560f43e1c24897d2e7f53c0952880d60
# Merge: 7ad32c863a31 0f85c4805184
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Fri Jul 24 16:44:57 2020 +0200
# 
#     Merge branch 'core/debugobjects'
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 a1f91a8f560f43e1c24897d2e7f53c0952880d60
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
Completed OK
# rm -rf /kisskb/build/tip_powernv_defconfig_powerpc-gcc5
# Build took: 0:03:33.412966