# git rev-parse -q --verify b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-4.9.y
# git rev-parse -q --verify b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a^{commit}
b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# git checkout -q -f -B kisskb b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# git clean -qxdf
# < git log -1
# commit b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Feb 27 14:22:22 2020 +0100
# 
#     Linux 4.9.215-rc1
# < /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 b8e4943d6bee55c8a2c077fc7639d0b8e8127e1a
# < make -s -j 160 ARCH=s390 O=/kisskb/build/stable-rc-4.9_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 160 ARCH=s390 O=/kisskb/build/stable-rc-4.9_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 160 ARCH=s390 O=/kisskb/build/stable-rc-4.9_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 160 ARCH=s390 O=/kisskb/build/stable-rc-4.9_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-rc-4.9_s390-defconfig_s390x-gcc4.9
# Build took: 0:02:28.376378