# git rev-parse -q --verify 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b^{commit}
0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b
# git clean -qxdf
# < git log -1
# commit 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Mar 21 14:56:43 2021 -0700
# 
#     Linux 5.12-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 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b
# < make -s -j 8 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 8 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-  help
# make -s -j 8 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-  olddefconfig
# make -s -j 8 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: 0:12:41.588675