# 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/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-ld --version
# < git log --format=%s --max-count=1 e21a712a9685488f5ce80495b37b9fdbe96c230d
# < make -s -j 8 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  allnoconfig
# make -s -j 8 ARCH=xtensa O=/kisskb/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
Completed OK
# rm -rf /kisskb/build/linus_xtensa-allnoconfig_xtensa
# Build took: 0:00:18.128779