# git rev-parse -q --verify a20dc5e7b11c5345bc5552c80085184c4459f6a5^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
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 a20dc5e7b11c5345bc5552c80085184c4459f6a5^{commit}
a20dc5e7b11c5345bc5552c80085184c4459f6a5
# git checkout -q -f -B kisskb a20dc5e7b11c5345bc5552c80085184c4459f6a5
# git clean -qxdf
# < git log -1
# commit a20dc5e7b11c5345bc5552c80085184c4459f6a5
# Merge: a46bdd50fad5 81a71f51b89e
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Sun Aug 7 12:08:34 2022 +0200
# 
#     Merge branch into tip/master: 'x86/platform'
#     
#     * x86/platform:
#         81a71f51b89e x86/acrn: Set up timekeeping
#     
#     Signed-off-by: Ingo Molnar <mingo@kernel.org>
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 a20dc5e7b11c5345bc5552c80085184c4459f6a5
# < make -s -j 32 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-  defconfig
# < make -s -j 32 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 32 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
# make -s -j 32 ARCH=arm64 O=/kisskb/build/tip_arm64-defconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/tip_arm64-defconfig_arm64-gcc5
# Build took: 0:04:13.201167