# git rev-parse -q --verify 9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.4.y
error: 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 9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3^{commit}
9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3
# git checkout -q -f -B kisskb 9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3
# git clean -qxdf
# < git log -1
# commit 9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sat Sep 29 03:08:55 2018 -0700
# 
#     Linux 4.4.159
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < git log --format=%s --max-count=1 9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/stable-4.4_arm64-defconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 48 ARCH=arm64 O=/kisskb/build/stable-4.4_arm64-defconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/stable-4.4_arm64-defconfig_arm64
# Build took: 0:01:36.319342