# git rev-parse -q --verify 7d194c2100ad2a6dded545887d02754948ca5241^{commit}
7d194c2100ad2a6dded545887d02754948ca5241
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7d194c2100ad2a6dded545887d02754948ca5241
# git clean -qxdf
# < git log -1
# commit 7d194c2100ad2a6dded545887d02754948ca5241
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 20 15:56:22 2019 -0400
# 
#     Linux 5.4-rc4
# < /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 7d194c2100ad2a6dded545887d02754948ca5241
# < make -s -j 10 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 10 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: 0:48:59.341447