# git rev-parse -q --verify 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5^{commit}
9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
# git clean -qxdf
# < git log -1
# commit 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Aug 16 13:04:57 2020 -0700
# 
#     Linux 5.9-rc1
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
# < make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  defconfig
# < make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  
Completed OK
# rm -rf /kisskb/build/linus_s390-defconfig_s390x-gcc8
# Build took: 0:05:54.703919