# git rev-parse -q --verify a292570e9f694ed50d3e69afd6d54272fd40deca^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
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 a292570e9f694ed50d3e69afd6d54272fd40deca^{commit}
a292570e9f694ed50d3e69afd6d54272fd40deca
# git checkout -q -f -B kisskb a292570e9f694ed50d3e69afd6d54272fd40deca
# git clean -qxdf
# < git log -1
# commit a292570e9f694ed50d3e69afd6d54272fd40deca
# Merge: 5aa9dc216189 20802fef73a5
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Mon Oct 12 19:05:06 2020 +0200
# 
#     Merge branch 'x86/urgent'
# < /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 a292570e9f694ed50d3e69afd6d54272fd40deca
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powernv_defconfig+NO_PERF_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# Added to kconfig CONFIG_PERF_EVENTS=n
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powernv_defconfig+NO_PERF_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+NO_PERF_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+NO_PERF_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+NO_PERF_powerpc-gcc5
# Build took: 0:03:06.030030