# git rev-parse -q --verify 139287cc2cc0c3e2a3fc4c57164b0236d00795f4^{commit}
139287cc2cc0c3e2a3fc4c57164b0236d00795f4
already have revision, skipping fetch
# git checkout -q -f -B kisskb 139287cc2cc0c3e2a3fc4c57164b0236d00795f4
# git clean -qxdf
# < git log -1
# commit 139287cc2cc0c3e2a3fc4c57164b0236d00795f4
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Tue Jan 8 14:21:55 2019 +1100
# 
#     Add linux-next specific files for 20190108
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
# < /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 139287cc2cc0c3e2a3fc4c57164b0236d00795f4
# < make -s -j 8 ARCH=x86 O=/kisskb/build/linux-next_x86_64_defconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# make -s -j 8 ARCH=x86 O=/kisskb/build/linux-next_x86_64_defconfig_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:300: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 8 ARCH=x86 O=/kisskb/build/linux-next_x86_64_defconfig_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/linux-next_x86_64_defconfig_x86_64-gcc4.6
# Build took: 0:00:03.999513