# git rev-parse -q --verify 6a31767f84ad31445865f1297d49937319f775c3^{commit}
6a31767f84ad31445865f1297d49937319f775c3
already have revision, skipping fetch
# git checkout -q -f -B kisskb 6a31767f84ad31445865f1297d49937319f775c3
# git clean -qxdf
# < git log -1
# commit 6a31767f84ad31445865f1297d49937319f775c3
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sun Mar 10 07:17:22 2019 +0100
# 
#     Linux 4.19.28
# < /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 6a31767f84ad31445865f1297d49937319f775c3
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.19_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 48 ARCH=powerpc O=/kisskb/build/stable-4.19_powernv_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: modpost: Found 2 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/stable-4.19_powernv_defconfig_ppc64le-gcc5
# Build took: 0:02:29.176266