# git rev-parse -q --verify 6efb943b8616ec53a5e444193dccf1af9ad627b5^{commit}
6efb943b8616ec53a5e444193dccf1af9ad627b5
already have revision, skipping fetch
# git checkout -q -f -B kisskb 6efb943b8616ec53a5e444193dccf1af9ad627b5
# git clean -qxdf
# < git log -1
# commit 6efb943b8616ec53a5e444193dccf1af9ad627b5
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun May 9 14:17:44 2021 -0700
# 
#     Linux 5.13-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 6efb943b8616ec53a5e444193dccf1af9ad627b5
# < make -s -j 32 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 32 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 32 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 32 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: 0:05:53.896233