# git rev-parse -q --verify 21c885140e733446ed45894ad09e60b1601702a3^{commit}
21c885140e733446ed45894ad09e60b1601702a3
already have revision, skipping fetch
# git checkout -q -f -B kisskb 21c885140e733446ed45894ad09e60b1601702a3
# git clean -qxdf
# < git log -1
# commit 21c885140e733446ed45894ad09e60b1601702a3
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Tue Mar 26 09:55:50 2019 +0900
# 
#     Linux 4.14.109-rc1
# < /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 21c885140e733446ed45894ad09e60b1601702a3
# < make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-rc-4.14_powernv_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-rc-4.14_powernv_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-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_ppc64le-gcc5
# Build took: 0:04:44.134036