# git rev-parse -q --verify e3a1ab299346a9a415f334e91a78da7ea84aa5a2^{commit}
e3a1ab299346a9a415f334e91a78da7ea84aa5a2
already have revision, skipping fetch
# git checkout -q -f -B kisskb e3a1ab299346a9a415f334e91a78da7ea84aa5a2
# git clean -qxdf
# < git log -1
# commit e3a1ab299346a9a415f334e91a78da7ea84aa5a2
# Merge: 6b5f3b689cff bfdc6d91a25f cb0cc635c7a9
# Author: Michael Ellerman <mpe@ellerman.id.au>
# Date:   Thu Feb 27 23:26:23 2020 +1100
# 
#     Automatic merge of branches 'master', 'next' and 'fixes' into merge
# < /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 e3a1ab299346a9a415f334e91a78da7ea84aa5a2
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-merge_40x_walnut_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  40x/walnut_defconfig
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-merge_40x_walnut_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-merge_40x_walnut_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-merge_40x_walnut_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/head_40x.S: Assembler messages:
/kisskb/src/arch/powerpc/kernel/head_40x.S:804: Warning: invalid register expression
INFO: Uncompressed kernel (size 0x50a6a8) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x600000)
Completed OK
# rm -rf /kisskb/build/powerpc-merge_40x_walnut_defconfig_powerpc-gcc5
# Build took: 0:00:48.453754