# git rev-parse -q --verify 7d194c2100ad2a6dded545887d02754948ca5241^{commit}
7d194c2100ad2a6dded545887d02754948ca5241
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7d194c2100ad2a6dded545887d02754948ca5241
# git clean -qxdf
# < git log -1
# commit 7d194c2100ad2a6dded545887d02754948ca5241
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 20 15:56:22 2019 -0400
# 
#     Linux 5.4-rc4
# < /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 7d194c2100ad2a6dded545887d02754948ca5241
# < make -s -j 80 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  defconfig
# make -s -j 80 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:27.601360