linux-kernel - Re: [PATCH v3 25/28] objtool: Improve naming of group alternatives

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Message-ID: <aRVpW0NSPeEkkhu9@rli9-mobl>
Date: Thu, 13 Nov 2025 13:15:07 +0800
From: kernel test robot <lkp@...el.com>
To: Alexandre Chartre <alexandre.chartre@...cle.com>,
	<linux-kernel@...r.kernel.org>, <mingo@...nel.org>, <jpoimboe@...nel.org>,
	<peterz@...radead.org>
CC: <oe-kbuild-all@...ts.linux.dev>, <alexandre.chartre@...cle.com>
Subject: Re: [PATCH v3 25/28] objtool: Improve naming of group alternatives

Hi Alexandre,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.18-rc5]
[cannot apply to next-20251112]
[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/Alexandre-Chartre/objtool-Move-disassembly-functions-to-a-separated-file/20251113-013604
base:   linus/master
patch link:    https://lore.kernel.org/r/20251112160315.2207947-26-alexandre.chartre%40oracle.com
patch subject: [PATCH v3 25/28] objtool: Improve naming of group alternatives
:::::: branch date: 6 hours ago
:::::: commit date: 6 hours ago
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20251113/202511130627.2BQemoMP-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251113/202511130627.2BQemoMP-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@...el.com>
| Closes: https://lore.kernel.org/r/202511130627.2BQemoMP-lkp@intel.com/

All errors (new ones prefixed by >>):

   check.c: In function 'validate_insn':
   check.c:3656:29: error: 'trace' undeclared (first use in this function)
    3656 |                         if (trace) {
         |                             ^~~~~
   check.c:3656:29: note: each undeclared identifier is reported only once for each function it appears in
>> check.c:3657:44: error: implicit declaration of function 'disas_alt_name' [-Wimplicit-function-declaration]
    3657 |                                 alt_name = disas_alt_name(alt);
         |                                            ^~~~~~~~~~~~~~
>> check.c:3657:42: error: assignment to 'char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    3657 |                                 alt_name = disas_alt_name(alt);
         |                                          ^
   make[5]: *** [tools/build/Makefile.build:85: tools/objtool/check.o] Error 1
   make[5]: Target '__build' not remade because of errors.
   make[4]: *** [Makefile:87: tools/objtool/objtool-in.o] Error 2
   make[4]: Target 'all' not remade because of errors.
   make[3]: *** [Makefile:73: objtool] Error 2
   make[2]: *** [Makefile:1449: tools/objtool] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

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