# git rev-parse -q --verify 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc^{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 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc^{commit}
64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc
# git checkout -q -f -B kisskb 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc
# git clean -qxdf
# < git log -1
# commit 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 10 17:01:59 2021 -0700
# 
#     Linux 5.15-rc5
# < /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 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc
# < make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-allnoconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  allnoconfig
# < make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-allnoconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-allnoconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
# make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-allnoconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_arm64-allnoconfig_arm64-gcc5.4
# Build took: 0:00:36.545834