# git rev-parse -q --verify 9a31ac1743a00b816d5393acf61ce16713d319a1^{commit}
9a31ac1743a00b816d5393acf61ce16713d319a1
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9a31ac1743a00b816d5393acf61ce16713d319a1
# git clean -qxdf
# < git log -1
# commit 9a31ac1743a00b816d5393acf61ce16713d319a1
# Merge: 9bb20fa3b904 0e698dfa2822
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Mon May 4 09:06:56 2020 +0200
# 
#     Merge branch 'linus'
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 9a31ac1743a00b816d5393acf61ce16713d319a1
# < make -s -j 24 ARCH=x86 O=/kisskb/build/tip_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# < make -s -j 24 ARCH=x86 O=/kisskb/build/tip_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 24 ARCH=x86 O=/kisskb/build/tip_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 24 ARCH=x86 O=/kisskb/build/tip_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/tip_x86_64_defconfig_x86_64-gcc8
# Build took: 0:02:13.957659