# git rev-parse -q --verify c500bee1c5b2f1d59b1081ac879d73268ab0ff17^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify c500bee1c5b2f1d59b1081ac879d73268ab0ff17^{commit}
c500bee1c5b2f1d59b1081ac879d73268ab0ff17
# git checkout -q -f -B kisskb c500bee1c5b2f1d59b1081ac879d73268ab0ff17
# git clean -qxdf
# < git log -1
# commit c500bee1c5b2f1d59b1081ac879d73268ab0ff17
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Aug 1 17:04:17 2021 -0700
# 
#     Linux 5.14-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 c500bee1c5b2f1d59b1081ac879d73268ab0ff17
# < make -s -j 10 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 10 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 10 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
# make -s -j 10 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-  
/kisskb/src/kernel/trace/trace.c:1712:13: warning: 'trace_create_maxlat_file' defined but not used [-Wunused-function]
 static void trace_create_maxlat_file(struct trace_array *tr,
             ^~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/kernel/trace/trace_osnoise.c: In function 'start_kthread':
/kisskb/src/kernel/trace/trace_osnoise.c:1461:8: warning: 'main' is usually a function [-Wmain]
  void *main = osnoise_main;
        ^~~~
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:07:28.291523