# git rev-parse -q --verify a027d43cf3f2fdaabf467b4bcb92d0fe748c2eaf^{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 a027d43cf3f2fdaabf467b4bcb92d0fe748c2eaf^{commit}
a027d43cf3f2fdaabf467b4bcb92d0fe748c2eaf
# git checkout -q -f -B kisskb a027d43cf3f2fdaabf467b4bcb92d0fe748c2eaf
# git clean -qxdf
# < git log -1
# commit a027d43cf3f2fdaabf467b4bcb92d0fe748c2eaf
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Tue Nov 2 18:26:46 2021 +0100
# 
#     Linux 4.19.215
#     
#     Link: https://lore.kernel.org/r/20211101082451.430720900@linuxfoundation.org
#     Link: https://lore.kernel.org/r/20211101114224.924071362@linuxfoundation.org
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Tested-by: Hulk Robot <hulkrobot@huawei.com>
#     Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 a027d43cf3f2fdaabf467b4bcb92d0fe748c2eaf
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# Added to kconfig CONFIG_SMP=y
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:3749:warning: override: reassigning to symbol SMP
# make -s -j 32 ARCH=powerpc O=/kisskb/build/stable-4.19_pmac32_defconfig+SMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0x942b0c) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xa00000)
Completed OK
# rm -rf /kisskb/build/stable-4.19_pmac32_defconfig+SMP_powerpc-gcc5
# Build took: 0:03:07.664759