# git rev-parse -q --verify 5c66974a63046780925e5d99b6dc6631fe2f9a31^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.19.y
remote: error: refs/tags/v5.10.57 does not point to a valid object!        
remote: error: refs/tags/v5.13.9 does not point to a valid object!        
remote: error: refs/tags/v5.4.139 does not point to a valid object!        
# git rev-parse -q --verify 5c66974a63046780925e5d99b6dc6631fe2f9a31^{commit}
5c66974a63046780925e5d99b6dc6631fe2f9a31
# git checkout -q -f -B kisskb 5c66974a63046780925e5d99b6dc6631fe2f9a31
# git clean -qxdf
# < git log -1
# commit 5c66974a63046780925e5d99b6dc6631fe2f9a31
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sun Aug 8 08:54:30 2021 +0200
# 
#     Linux 4.19.202
#     
#     Link: https://lore.kernel.org/r/20210806081111.144943357@linuxfoundation.org
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
#     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/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 5c66974a63046780925e5d99b6dc6631fe2f9a31
# < make -s -j 32 ARCH=s390 O=/kisskb/build/stable-4.19_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  defconfig
# < make -s -j 32 ARCH=s390 O=/kisskb/build/stable-4.19_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 32 ARCH=s390 O=/kisskb/build/stable-4.19_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 32 ARCH=s390 O=/kisskb/build/stable-4.19_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  
Completed OK
# rm -rf /kisskb/build/stable-4.19_s390-defconfig_s390x-gcc4.9
# Build took: 0:03:11.774036