# git rev-parse -q --verify b771c95249042aecaa70b1c470a4050b6fe2a4c3^{commit}
b771c95249042aecaa70b1c470a4050b6fe2a4c3
already have revision, skipping fetch
# git checkout -q -f -B kisskb b771c95249042aecaa70b1c470a4050b6fe2a4c3
# git clean -qxdf
# < git log -1
# commit b771c95249042aecaa70b1c470a4050b6fe2a4c3
# Merge: 058d6acaa2f4 f17777cc2675
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Thu Jun 10 09:06:21 2021 +0200
# 
#     Merge branch 'objtool/urgent'
# < /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 b771c95249042aecaa70b1c470a4050b6fe2a4c3
# < make -s -j 48 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 48 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 48 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 48 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: 0:00:28.738922