# git rev-parse -q --verify f40ddce88593482919761f74910f42f4b84c004b^{commit}
f40ddce88593482919761f74910f42f4b84c004b
already have revision, skipping fetch
# git checkout -q -f -B kisskb f40ddce88593482919761f74910f42f4b84c004b
# git clean -qxdf
# < git log -1
# commit f40ddce88593482919761f74910f42f4b84c004b
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Feb 14 14:32:24 2021 -0800
# 
#     Linux 5.11
# < /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 f40ddce88593482919761f74910f42f4b84c004b
# < make -s -j 10 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 10 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  help
# make -s -j 10 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  olddefconfig
# make -s -j 10 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: 0:00:39.083042