# git rev-parse -q --verify 8c3f48e8c28823378274d2342a2ff1442a4af55f^{commit}
8c3f48e8c28823378274d2342a2ff1442a4af55f
already have revision, skipping fetch
# git checkout -q -f -B kisskb 8c3f48e8c28823378274d2342a2ff1442a4af55f
# git clean -qxdf
# < git log -1
# commit 8c3f48e8c28823378274d2342a2ff1442a4af55f
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Jan 9 17:46:05 2019 +0100
# 
#     Linux 4.20.1
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 8c3f48e8c28823378274d2342a2ff1442a4af55f
# < make -s -j 8 ARCH=x86 O=/kisskb/build/stable-4.20_x86-allmodconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allmodconfig
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_SAMPLES=n
# yes \n | make -s -j 8 ARCH=x86 O=/kisskb/build/stable-4.20_x86-allmodconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 8 ARCH=x86 O=/kisskb/build/stable-4.20_x86-allmodconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:304: checkbin] Error 1
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 8 ARCH=x86 O=/kisskb/build/stable-4.20_x86-allmodconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/stable-4.20_x86-allmodconfig_x86_64-gcc4.6
# Build took: 0:00:05.462506