# git rev-parse -q --verify 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c^{commit}
31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c
# git checkout -q -f -B kisskb 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c
# git clean -qxdf
# < git log -1
# commit 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Nov 10 16:17:15 2019 -0800
# 
#     Linux 5.4-rc7
# < /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 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c
# < make -s -j 24 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=0x1E7CA5D0
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# yes \n | make -s -j 24 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-  oldconfig
yes: standard output: Broken pipe
# make -s -j 24 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: 0:05:06.992944