# git rev-parse -q --verify ac3af4beac439ebccd17746c9f2fd227e88107aa^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.19.y
# git rev-parse -q --verify ac3af4beac439ebccd17746c9f2fd227e88107aa^{commit}
ac3af4beac439ebccd17746c9f2fd227e88107aa
# git checkout -q -f -B kisskb ac3af4beac439ebccd17746c9f2fd227e88107aa
# git clean -qxdf
# < git log -1
# commit ac3af4beac439ebccd17746c9f2fd227e88107aa
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Mar 17 16:43:52 2021 +0100
# 
#     Linux 4.19.181
#     
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Jason Self <jason@bluehome.net>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Link: https://lore.kernel.org/r/20210315135740.245494252@linuxfoundation.org
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 ac3af4beac439ebccd17746c9f2fd227e88107aa
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/stable-4.19_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/stable-4.19_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 80 ARCH=x86_64 O=/kisskb/build/stable-4.19_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 80 ARCH=x86_64 O=/kisskb/build/stable-4.19_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/stable-4.19_x86_64-allnoconfig_x86_64-gcc4.9
# Build took: 0:05:08.836966