# git rev-parse -q --verify 282aeb477a10d09cc5c4d73c54bb996964723f96^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.9.y
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 282aeb477a10d09cc5c4d73c54bb996964723f96^{commit}
282aeb477a10d09cc5c4d73c54bb996964723f96
# git checkout -q -f -B kisskb 282aeb477a10d09cc5c4d73c54bb996964723f96
# git clean -qxdf
# < git log -1
# commit 282aeb477a10d09cc5c4d73c54bb996964723f96
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Feb 10 09:09:27 2021 +0100
# 
#     Linux 4.9.257
#     
#     Tested-by: Florian Fainelli <f.fainelli@gmail.com>
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Tested-by: Igor Matheus Andrade Torrente <igormtorrente@gmail.com>
#     Tested-by: Jason Self <jason@bluehome.net>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Tested-by: Ross Schmidt <ross.schm.dev@gmail.com>
#     Link: https://lore.kernel.org/r/20210208145810.230485165@linuxfoundation.org
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 282aeb477a10d09cc5c4d73c54bb996964723f96
# < make -s -j 40 ARCH=arm64 O=/kisskb/build/stable-4.9_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# < make -s -j 40 ARCH=arm64 O=/kisskb/build/stable-4.9_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 40 ARCH=arm64 O=/kisskb/build/stable-4.9_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
# make -s -j 40 ARCH=arm64 O=/kisskb/build/stable-4.9_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
Completed OK
# rm -rf /kisskb/build/stable-4.9_arm64-defconfig_arm64-gcc5.4
# Build took: 0:03:33.185940