# git rev-parse -q --verify d012a7190fc1fd72ed48911e77ca97ba4521bccd^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify d012a7190fc1fd72ed48911e77ca97ba4521bccd^{commit}
d012a7190fc1fd72ed48911e77ca97ba4521bccd
# git checkout -q -f -B kisskb d012a7190fc1fd72ed48911e77ca97ba4521bccd
# git clean -qxdf
# < git log -1
# commit d012a7190fc1fd72ed48911e77ca97ba4521bccd
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Aug 23 14:08:43 2020 -0700
# 
#     Linux 5.9-rc2
# < /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 d012a7190fc1fd72ed48911e77ca97ba4521bccd
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0x51E3803
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 80 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
.config:4547:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 80 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_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-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:05:43.705032