Re: [PATCH v2 2/9] x86: objtool: use asm macro for better compiler decisions

From: kbuild test robot
Date: Tue Jun 05 2018 - 01:41:51 EST


Hi Nadav,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.17 next-20180604]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Nadav-Amit/x86-macrofying-inline-asm-for-better-compilation/20180605-124313
config: c6x-evmc6678_defconfig (attached as .config)
compiler: c6x-elf-gcc (GCC) 8.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=c6x

All errors (new ones prefixed by >>):

include/linux/compiler.h: Assembler messages:
>> include/linux/compiler.h:308: Error: Macro `annotate_unreachable' was already defined

vim +308 include/linux/compiler.h

307
> 308 .macro ANNOTATE_UNREACHABLE counter:req
309 .endm
310

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

Attachment: .config.gz
Description: application/gzip