# git gc
# git rev-parse -q --verify e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd^{commit}
e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
already have revision, skipping fetch
# git checkout -q -f -B kisskb e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
# git clean -qxdf
# < git log -1
# commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun May 5 17:42:58 2019 -0700
# 
#     Linux 5.1
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  allmodconfig
# make -s -j 80 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_arm64-allmodconfig_arm64-gcc8
# Build took: 0:24:17.942470