# git gc
# git rev-parse -q --verify 6f7122ae48059b458385c6a750575faa6f4ef64d^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
# git rev-parse -q --verify 6f7122ae48059b458385c6a750575faa6f4ef64d^{commit}
6f7122ae48059b458385c6a750575faa6f4ef64d
# git checkout -q -f -B kisskb 6f7122ae48059b458385c6a750575faa6f4ef64d
# git clean -qxdf
# < git log -1
# commit 6f7122ae48059b458385c6a750575faa6f4ef64d
# Merge: 76e9a15610f5 b0b8e56b82c0
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Tue Oct 6 08:10:15 2020 +0200
# 
#     Merge branch 'objtool/core'
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 6f7122ae48059b458385c6a750575faa6f4ef64d
# < make -s -j 8 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 8 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 8 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 8 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.9
# Build took: 0:03:53.637375