# 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_44x_akebono_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  44x/akebono_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/stable-4.20_44x_akebono_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_44x_akebono_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_44x_akebono_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
arch/powerpc/boot/dts/akebono.dtb: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dtb: Warning (pci_bridge): /plb/pciex@20100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dtb: Warning (pci_bridge): /plb/pciex@18100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dtb: Warning (pci_bridge): /plb/pciex@28100000000: node name is not "pci" or "pcie"
arch/powerpc/boot/dts/akebono.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
Completed OK
# rm -rf /kisskb/build/stable-4.20_44x_akebono_defconfig_powerpc-gcc4.9
# Build took: 0:01:16.141868