# git rev-parse -q --verify c0ad257a19f48c56f2ee2e623a78251aa8664279^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable.git linux-4.20.y
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify c0ad257a19f48c56f2ee2e623a78251aa8664279^{commit}
c0ad257a19f48c56f2ee2e623a78251aa8664279
# git checkout -q -f -B kisskb c0ad257a19f48c56f2ee2e623a78251aa8664279
# git clean -qxdf
# < git log -1
# commit c0ad257a19f48c56f2ee2e623a78251aa8664279
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Tue Mar 19 13:11:56 2019 +0100
# 
#     Linux 4.20.17
# < /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 c0ad257a19f48c56f2ee2e623a78251aa8664279
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.20_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  corenet32_smp_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.20_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.20_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.20_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0xc7f418) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xd00000)
Image Name:   Linux-4.20.17-gc0ad257a19f48
Created:      Thu May 14 00:58:55 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    5983645 Bytes = 5843.40 KiB = 5.71 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/stable-4.20_corenet32_smp_defconfig_powerpc-gcc4.9
# Build took: 0:05:56.263050