# git rev-parse -q --verify a1b8638ba1320e6684aa98233c15255eb803fac7^{commit}
a1b8638ba1320e6684aa98233c15255eb803fac7
already have revision, skipping fetch
# git checkout -q -f -B kisskb a1b8638ba1320e6684aa98233c15255eb803fac7
# git clean -qxdf
# < git log -1
# commit a1b8638ba1320e6684aa98233c15255eb803fac7
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Sep 27 14:38:10 2020 -0700
# 
#     Linux 5.9-rc7
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 a1b8638ba1320e6684aa98233c15255eb803fac7
# < make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  mpc885_ads_defconfig
# < make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
Image Name:   Linux-5.9.0-rc7-49701-ga1b8638ba
Created:      Mon Sep 28 10:35:12 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2018814 Bytes = 1971.50 KiB = 1.93 MiB
Load Address: 00400000
Entry Point:  00400204
Completed OK
# rm -rf /kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.9
# Build took: 0:01:03.833124