Re: [PATCH v2] crypto: x86/sm2 -add Zhaoxin SM2 algorithm implementation

[kernel test robot <lkp@intel.com>]

Hi LeoLiu-oc,

kernel test robot noticed the following build errors:

[auto build test ERROR on herbert-cryptodev-2.6/master]
[also build test ERROR on herbert-crypto-2.6/master tip/x86/core linus/master v6.7-rc1 next-20231115]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/LeoLiu-oc/crypto-x86-sm2-add-Zhaoxin-SM2-algorithm-implementation/20231115-163848
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
patch link:    https://lore.kernel.org/r/20231115071724.575356-1-LeoLiu-oc%40zhaoxin.com
patch subject: [PATCH v2] crypto: x86/sm2 -add Zhaoxin SM2 algorithm implementation
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20231116/202311160022.csCILGmA-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231116/202311160022.csCILGmA-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311160022.csCILGmA-lkp@intel.com/

All errors (new ones prefixed by >>):

   In function 'zhaoxin_gmi_sm2_verify',
       inlined from '_zhaoxin_sm2_verify' at arch/x86/crypto/sm2-zhaoxin-gmi_glue.c:56:9,
       inlined from 'zhaoxin_sm2_verify' at arch/x86/crypto/sm2-zhaoxin-gmi_glue.c:79:8:
>> arch/x86/crypto/sm2-zhaoxin-gmi_glue.c:43:9: error: inconsistent operand constraints in an 'asm'
      43 |         asm(".byte 0xf2, 0x0f, 0xa6, 0xc0"
         |         ^~~


vim +/asm +43 arch/x86/crypto/sm2-zhaoxin-gmi_glue.c

    35	
    36	/* Zhaoxin sm2 verify function */
    37	static inline int zhaoxin_gmi_sm2_verify(unsigned char *key, unsigned char *hash, unsigned char *sig,
    38					unsigned char *scratch)
    39	{
    40		uint64_t cword, f_ok;
    41		cword = (uint64_t)0x8;
    42	
  > 43		asm(".byte 0xf2, 0x0f, 0xa6, 0xc0"
    44			:"=c"(f_ok), "+a"(hash), "+b"(key), "+d"(cword), "+S"(scratch), "+D"(sig));
    45	
    46		return f_ok;
    47	}
    48	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki