# git rev-parse -q --verify 4a9b1eb8bc3ba4ad8b3b1aa3317cf8d4a3aaad83^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable.git linux-5.1.y
# git rev-parse -q --verify 4a9b1eb8bc3ba4ad8b3b1aa3317cf8d4a3aaad83^{commit}
4a9b1eb8bc3ba4ad8b3b1aa3317cf8d4a3aaad83
# git checkout -q -f -B kisskb 4a9b1eb8bc3ba4ad8b3b1aa3317cf8d4a3aaad83
# git clean -qxdf
# < git log -1
# commit 4a9b1eb8bc3ba4ad8b3b1aa3317cf8d4a3aaad83
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sun Jul 28 08:28:39 2019 +0200
# 
#     Linux 5.1.21
# < /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 4a9b1eb8bc3ba4ad8b3b1aa3317cf8d4a3aaad83
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/stable-5.1_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 80 ARCH=powerpc O=/kisskb/build/stable-5.1_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 80 ARCH=powerpc O=/kisskb/build/stable-5.1_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 80 ARCH=powerpc O=/kisskb/build/stable-5.1_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 0xcb51d8) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xd00000)
Image Name:   Linux-5.1.21-g4a9b1eb8bc3ba
Created:      Thu May 14 02:27:22 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    6075698 Bytes = 5933.30 KiB = 5.79 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/stable-5.1_corenet32_smp_defconfig_powerpc-gcc4.9
# Build took: 0:02:48.801961