# git rev-parse -q --verify a2cf32b91f015436757fd0e68ee3eb3b3a29ac1a^{commit}
a2cf32b91f015436757fd0e68ee3eb3b3a29ac1a
already have revision, skipping fetch
# git checkout -q -f -B kisskb a2cf32b91f015436757fd0e68ee3eb3b3a29ac1a
# git clean -qxdf
# < git log -1
# commit a2cf32b91f015436757fd0e68ee3eb3b3a29ac1a
# Merge: e4a0d77d3323 05e2c12a1fdd
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Thu Jun 4 11:36:23 2020 +0900
# 
#     Merge branch 'kbuild' into for-next
# < /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 a2cf32b91f015436757fd0e68ee3eb3b3a29ac1a
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# Added to kconfig CONFIG_SMP=y
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:4083:warning: override: reassigning to symbol SMP
# make -s -j 24 ARCH=powerpc O=/kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0x9591a8) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xa00000)
Completed OK
# rm -rf /kisskb/build/kbuild_pmac32_defconfig+SMP_powerpc-gcc5
# Build took: 0:02:07.957361