# git rev-parse -q --verify 54354bc5e2a599518c25769b56d76eabe94e67c9^{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 54354bc5e2a599518c25769b56d76eabe94e67c9^{commit}
54354bc5e2a599518c25769b56d76eabe94e67c9
# git checkout -q -f -B kisskb 54354bc5e2a599518c25769b56d76eabe94e67c9
# git clean -qxdf
# < git log -1
# commit 54354bc5e2a599518c25769b56d76eabe94e67c9
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Feb 10 09:21:09 2021 +0100
# 
#     Linux 4.19.175
#     
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Tested-by: Igor Matheus Andrade Torrente <igormtorrente@gmail.com>
#     Tested-by: Jason Self <jason@bluehome.net>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Ross Schmidt <ross.schm.dev@gmail.com>
#     Link: https://lore.kernel.org/r/20210208145806.141056364@linuxfoundation.org
#     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 54354bc5e2a599518c25769b56d76eabe94e67c9
# < make -s -j 48 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 48 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 48 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:3747:warning: override: reassigning to symbol SMP
# make -s -j 48 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 0x940ab8) 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: 0:02:22.518290