# 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
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 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 48 ARCH=powerpc O=/kisskb/build/stable-5.1_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-5.1_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-5.1_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-5.1_44x_akebono_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/boot/dts/akebono.dts:251.28-289.5: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie"
/kisskb/src/arch/powerpc/boot/dts/akebono.dts:291.28-329.5: Warning (pci_bridge): /plb/pciex@20100000000: node name is not "pci" or "pcie"
/kisskb/src/arch/powerpc/boot/dts/akebono.dts:331.28-369.5: Warning (pci_bridge): /plb/pciex@18100000000: node name is not "pci" or "pcie"
/kisskb/src/arch/powerpc/boot/dts/akebono.dts:371.28-409.5: 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-5.1_44x_akebono_defconfig_powerpc-gcc4.9
# Build took: 0:01:11.765863