# git rev-parse -q --verify b0282f07c34e00c0f53b4cd01d912cd3bac62fc8^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
error: 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 b0282f07c34e00c0f53b4cd01d912cd3bac62fc8^{commit}
b0282f07c34e00c0f53b4cd01d912cd3bac62fc8
# git checkout -q -f -B kisskb b0282f07c34e00c0f53b4cd01d912cd3bac62fc8
# git clean -qxdf
# < git log -1
# commit b0282f07c34e00c0f53b4cd01d912cd3bac62fc8
# Merge: f42c6462541d 883f4def8b77
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Thu Dec 20 18:53:04 2018 +0100
# 
#     Merge branch 'perf/core'
# < /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 b0282f07c34e00c0f53b4cd01d912cd3bac62fc8
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/tip_ppc64le_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64le_defconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/tip_ppc64le_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
warning: include/asm-generic/atomic-instrumented.h is out-of-date.
warning: include/asm-generic/atomic-long.h is out-of-date.
warning: include/linux/atomic-fallback.h is out-of-date.
WARNING: modpost: Found 3 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/tip_ppc64le_defconfig_ppc64le-gcc5
# Build took: 0:02:45.314747