# git rev-parse -q --verify e42617b825f8073569da76dc4510bfa019b1c35a^{commit}
e42617b825f8073569da76dc4510bfa019b1c35a
already have revision, skipping fetch
# git checkout -q -f -B kisskb e42617b825f8073569da76dc4510bfa019b1c35a
# git clean -qxdf
# < git log -1
# commit e42617b825f8073569da76dc4510bfa019b1c35a
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Dec 8 14:57:55 2019 -0800
# 
#     Linux 5.5-rc1
# < /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 e42617b825f8073569da76dc4510bfa019b1c35a
# < make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  defconfig
# make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_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-defconfig_arm64-gcc8
# Build took: 0:06:08.630753