# git rev-parse -q --verify ec86d5e19e14ae1ee40cf8f41c4b960472bccf89^{commit}
ec86d5e19e14ae1ee40cf8f41c4b960472bccf89
already have revision, skipping fetch
# git checkout -q -f -B kisskb ec86d5e19e14ae1ee40cf8f41c4b960472bccf89
# git clean -qxdf
# < git log -1
# commit ec86d5e19e14ae1ee40cf8f41c4b960472bccf89
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Fri Jul 20 14:14:15 2018 +0200
# 
#     Linux 4.14.57-rc1
# < /opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-gcc --version
# < git log --format=%s --max-count=1 ec86d5e19e14ae1ee40cf8f41c4b960472bccf89
# < make -s -j 40 ARCH=powerpc O=/kisskb/build/stable-rc-4.14_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  powernv_defconfig
# Added to kconfig CONFIG_PERF_EVENTS=n
# yes \n | make -s -j 40 ARCH=powerpc O=/kisskb/build/stable-rc-4.14_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -s -j 40 ARCH=powerpc O=/kisskb/build/stable-rc-4.14_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  
WARNING: modpost: Found 4 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/stable-rc-4.14_powernv_defconfig+NO_PERF_ppc64le
# Build took: 0:01:22.622752