# git rev-parse -q --verify 84920cc7fbe10e838689e8e1437dfd18d6e54a2c^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.19.y
# git rev-parse -q --verify 84920cc7fbe10e838689e8e1437dfd18d6e54a2c^{commit}
84920cc7fbe10e838689e8e1437dfd18d6e54a2c
# git checkout -q -f -B kisskb 84920cc7fbe10e838689e8e1437dfd18d6e54a2c
# git clean -qxdf
# < git log -1
# commit 84920cc7fbe10e838689e8e1437dfd18d6e54a2c
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed May 6 08:13:35 2020 +0200
# 
#     Linux 4.19.121
# < /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 84920cc7fbe10e838689e8e1437dfd18d6e54a2c
# < make -s -j 24 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 24 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 24 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 24 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: 0:03:00.307570