# git rev-parse -q --verify 4156c85dbf936800bc450ceaa3ed7cd1570315dd^{commit}
4156c85dbf936800bc450ceaa3ed7cd1570315dd
already have revision, skipping fetch
# git checkout -q -f -B kisskb 4156c85dbf936800bc450ceaa3ed7cd1570315dd
# git clean -qxdf
# < git log -1
# commit 4156c85dbf936800bc450ceaa3ed7cd1570315dd
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Wed Aug 19 21:32:00 2020 +1000
# 
#     syscalls: use simpler file guard defines
#     
#     A couple of architectures were defining the generated file's guards to 1
#     rather than just defining then like most of our other include file guards.
#     This simplifies the generating script a little.
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/i386-linux/bin/i386-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/i386-linux/bin/i386-linux-ld --version
# < git log --format=%s --max-count=1 4156c85dbf936800bc450ceaa3ed7cd1570315dd
# < make -s -j 48 ARCH=i386 O=/kisskb/build/sfr-test_i386_defconfig_i386-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/i386-linux/bin/i386-linux-  i386_defconfig
# < make -s -j 48 ARCH=i386 O=/kisskb/build/sfr-test_i386_defconfig_i386-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/i386-linux/bin/i386-linux-  help
# make -s -j 48 ARCH=i386 O=/kisskb/build/sfr-test_i386_defconfig_i386-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/i386-linux/bin/i386-linux-  olddefconfig
# make -s -j 48 ARCH=i386 O=/kisskb/build/sfr-test_i386_defconfig_i386-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/i386-linux/bin/i386-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:290: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 48 ARCH=i386 O=/kisskb/build/sfr-test_i386_defconfig_i386-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/i386-linux/bin/i386-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/sfr-test_i386_defconfig_i386-gcc4.9
# Build took: 0:00:04.414746