linux-kernel - [jpoimboe:lkdtm 2/3] drivers/misc/lkdtm/rodata.c:14:26: error: expected string literal in 'asm'

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Message-ID: <202207150539.2uMSuhwL-lkp@intel.com>
Date:   Fri, 15 Jul 2022 05:29:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [jpoimboe:lkdtm 2/3] drivers/misc/lkdtm/rodata.c:14:26: error:
 expected string literal in 'asm'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git lkdtm
head:   91b11c81a070d7a1c75c467ccf6703b01cf78cfb
commit: 26fe5d8405b16b3153bdb867dda090256a561b80 [2/3] lkdtm: Disable return thunks in rodata.c
config: hexagon-randconfig-r024-20220714 (https://download.01.org/0day-ci/archive/20220715/202207150539.2uMSuhwL-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e61b9c556267086ef9b743a0b57df302eef831b)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git/commit/?id=26fe5d8405b16b3153bdb867dda090256a561b80
        git remote add jpoimboe https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git
        git fetch --no-tags jpoimboe lkdtm
        git checkout 26fe5d8405b16b3153bdb867dda090256a561b80
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/misc/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/misc/lkdtm/rodata.c:14:26: error: expected string literal in 'asm'
                   asm(ANNOTATE_UNRET_SAFE);
                                          ^
   1 error generated.


vim +/asm +14 drivers/misc/lkdtm/rodata.c

     8	
     9	void noinstr lkdtm_rodata_do_nothing(void)
    10	{
    11		/* Does nothing. We just want an architecture agnostic "return". */
    12	
    13		if (IS_ENABLED(CONFIG_OBJTOOL))
  > 14			asm(ANNOTATE_UNRET_SAFE);

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp