# git rev-parse -q --verify 3eae9e93d49241dfb30be1d706b68d056b1ad29c^{commit}
3eae9e93d49241dfb30be1d706b68d056b1ad29c
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3eae9e93d49241dfb30be1d706b68d056b1ad29c
# git clean -qxdf
# git log -1
commit 3eae9e93d49241dfb30be1d706b68d056b1ad29c
Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date:   Sun Mar 11 16:25:15 2018 +0100

    Linux 4.15.9
# < /opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-gcc --version
# < git log --format=%s --max-count=1 3eae9e93d49241dfb30be1d706b68d056b1ad29c
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.15_pseries_le_defconfig_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  pseries_le_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.15_pseries_le_defconfig_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  
WARNING: modpost: Found 5 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/stable-4.15_pseries_le_defconfig_ppc64le
# Build took: 0:02:15.559685