# git rev-parse -q --verify e21a712a9685488f5ce80495b37b9fdbe96c230d^{commit}
e21a712a9685488f5ce80495b37b9fdbe96c230d
already have revision, skipping fetch
# git checkout -q -f -B kisskb e21a712a9685488f5ce80495b37b9fdbe96c230d
# git clean -qxdf
# < git log -1
# commit e21a712a9685488f5ce80495b37b9fdbe96c230d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Aug 4 18:40:12 2019 -0700
# 
#     Linux 5.3-rc3
# < /opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-gcc --version
# < /opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-ld --version
# < git log --format=%s --max-count=1 e21a712a9685488f5ce80495b37b9fdbe96c230d
# < make -s -j 120 ARCH=openrisc O=/kisskb/build/linus_or1ksim_defconfig_or32 CROSS_COMPILE=/opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-  or1ksim_defconfig
# make -s -j 120 ARCH=openrisc O=/kisskb/build/linus_or1ksim_defconfig_or32 CROSS_COMPILE=/opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/linus_or1ksim_defconfig_or32
# Build took: 0:00:13.631356