# git rev-parse -q --verify b60cee5bae733f49ba33840804c159a8e474cfda^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify b60cee5bae733f49ba33840804c159a8e474cfda^{commit}
b60cee5bae733f49ba33840804c159a8e474cfda
# git checkout -q -f -B kisskb b60cee5bae733f49ba33840804c159a8e474cfda
# git clean -qxdf
# < git log -1
# commit b60cee5bae733f49ba33840804c159a8e474cfda
# Author: Guenter Roeck <linux@roeck-us.net>
# Date:   Thu Sep 9 11:47:14 2021 -0700
# 
#     cpufreq: vexpress: Drop unused variable
#     
#     arm:allmodconfig fails to build with the following error.
#     
#       drivers/cpufreq/vexpress-spc-cpufreq.c:454:13: error:
#                                             unused variable 'cur_cluster'
#     
#     Remove the unused variable.
#     
#     Fixes: bb8c26d9387f ("cpufreq: vexpress: Set CPUFREQ_IS_COOLING_DEV flag")
#     Cc: Viresh Kumar <viresh.kumar@linaro.org>
#     Signed-off-by: Guenter Roeck <linux@roeck-us.net>
#     Reviewed-by: Kees Cook <keescook@chromium.org>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /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 b60cee5bae733f49ba33840804c159a8e474cfda
# < make -s -j 32 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 32 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 32 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 32 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: 0:04:01.480240