# git rev-parse -q --verify a9b6b3b055ea5f8a35809dd0521b65b0ca73176d^{commit}
a9b6b3b055ea5f8a35809dd0521b65b0ca73176d
already have revision, skipping fetch
# git checkout -q -f -B kisskb a9b6b3b055ea5f8a35809dd0521b65b0ca73176d
# git clean -qxdf
# < git log -1
# commit a9b6b3b055ea5f8a35809dd0521b65b0ca73176d
# Merge: 696f281 f217335
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Mon May 7 14:33:38 2018 +0200
# 
#     Merge branch 'x86/vdso'
# < /opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-gcc --version
# < git log --format=%s --max-count=1 a9b6b3b055ea5f8a35809dd0521b65b0ca73176d
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_ppc64le_defconfig_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  ppc64le_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_ppc64le_defconfig_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  
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
# Build took: 0:02:26.858351