Re: [RFC PATCH v3 1/6] objtool/powerpc: Add build-time fixup of alternate feature branch targets

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

:::::: 
:::::: Manual check reason: "only suspicious fbc files changed"
:::::: 

BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20260209084820.57298-2-sv@linux.ibm.com>
References: <20260209084820.57298-2-sv@linux.ibm.com>
TO: Sathvika Vasireddy <sv@linux.ibm.com>

Hi Sathvika,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes linus/master v6.19 next-20260209]
[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/Sathvika-Vasireddy/objtool-powerpc-Add-build-time-fixup-of-alternate-feature-branch-targets/20260209-165156
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/20260209084820.57298-2-sv%40linux.ibm.com
patch subject: [RFC PATCH v3 1/6] objtool/powerpc: Add build-time fixup of alternate feature branch targets
:::::: branch date: 23 hours ago
:::::: commit date: 23 hours ago
config: powerpc-randconfig-002-20260210 (https://download.01.org/0day-ci/archive/20260210/202602101507.3iIWJO45-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260210/202602101507.3iIWJO45-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/r/202602101507.3iIWJO45-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/powerpc/special.c:289:9: error: variable 'n' set but not used [-Werror,-Wunused-but-set-variable]
     289 |         size_t n = 0;
         |                ^
   1 error generated.
   make[6]: *** [tools/build/Makefile.build:86: tools/objtool/arch/powerpc/special.o] Error 1 shuffle=3996209845
   make[6]: Target '__build' not remade because of errors.
   make[5]: *** [tools/build/Makefile.build:142: arch/powerpc] Error 2 shuffle=3996209845
   make[5]: Target '__build' not remade because of errors.
   make[4]: *** [Makefile:104: tools/objtool/objtool-in.o] Error 2 shuffle=3996209845
   make[4]: Target 'all' not remade because of errors.
   make[3]: *** [Makefile:74: objtool] Error 2 shuffle=3996209845
   make[2]: *** [Makefile:1483: tools/objtool] Error 2 shuffle=3996209845
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=3996209845
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=3996209845
   make: Target 'prepare' not remade because of errors.

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