# git rev-parse -q --verify 81ff0be4b9e3bcfee022d71cf89d72f7e2ed41ba^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 81ff0be4b9e3bcfee022d71cf89d72f7e2ed41ba^{commit}
81ff0be4b9e3bcfee022d71cf89d72f7e2ed41ba
# git checkout -q -f -B kisskb 81ff0be4b9e3bcfee022d71cf89d72f7e2ed41ba
# git clean -qxdf
# < git log -1
# commit 81ff0be4b9e3bcfee022d71cf89d72f7e2ed41ba
# Merge: 57ea81971b72 bc128349588d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Jan 12 11:33:50 2022 -0800
# 
#     Merge tag 'spdx-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
#     
#     Pull SPDX/License update from Greg KH:
#      "Here is a single change that fixes up the description of the 'LGPL-2.1
#       or later' identifiers so that the tools properly acknowledge that this
#       is a valid license.
#     
#       This change has been in linux-next for weeks with no reported problems"
#     
#     * tag 'spdx-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
#       LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
# < /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 81ff0be4b9e3bcfee022d71cf89d72f7e2ed41ba
# < 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
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < 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-  help
# 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-  olddefconfig
.config:4798:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# 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: 0:04:20.285750