# git rev-parse -q --verify a89b48fe9308d976d9dcb2112e264d647f7efce4^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.19.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 a89b48fe9308d976d9dcb2112e264d647f7efce4^{commit}
a89b48fe9308d976d9dcb2112e264d647f7efce4
# git checkout -q -f -B kisskb a89b48fe9308d976d9dcb2112e264d647f7efce4
# git clean -qxdf
# < git log -1
# commit a89b48fe9308d976d9dcb2112e264d647f7efce4
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Jul 28 11:13:52 2021 +0200
# 
#     Linux 4.19.199
#     
#     Link: https://lore.kernel.org/r/20210726153832.339431936@linuxfoundation.org
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Link: https://lore.kernel.org/r/20210727071938.046014616@linuxfoundation.org
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Link: https://lore.kernel.org/r/20210727112108.341674321@linuxfoundation.org
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /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 a89b48fe9308d976d9dcb2112e264d647f7efce4
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64e_defconfig
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-4.19_ppc64e_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0xdddcf8) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xe00000)
Image Name:   Linux-4.19.199-19782-ga89b48fe93
Created:      Wed Jul 28 20:00:49 2021
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    5969300 Bytes = 5829.39 KiB = 5.69 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/stable-4.19_ppc64e_defconfig_powerpc-gcc4.9
# Build took: 0:02:39.536377