# git rev-parse -q --verify e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62^{commit}
e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
already have revision, skipping fetch
# git checkout -q -f -B kisskb e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
# git clean -qxdf
# < git log -1
# commit e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jan 3 15:55:30 2021 -0800
# 
#     Linux 5.11-rc2
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
# < make -s -j 8 ARCH=arm O=/kisskb/build/linus_efm32_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  efm32_defconfig
# < make -s -j 8 ARCH=arm O=/kisskb/build/linus_efm32_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  help
# make -s -j 8 ARCH=arm O=/kisskb/build/linus_efm32_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  olddefconfig
# make -s -j 8 ARCH=arm O=/kisskb/build/linus_efm32_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  
Completed OK
# rm -rf /kisskb/build/linus_efm32_defconfig_arm-gcc4.9
# Build took: 0:00:51.030013