Re: [PATCH 3/4] RISC-V: export the ISA string of the running machine in the aux vector

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

Hi Heiko,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20230424]
[also build test WARNING on v6.3]
[cannot apply to soc/for-next linus/master kees/for-next/execve v6.3 v6.3-rc7 v6.3-rc6]
[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/Heiko-Stuebner/RISC-V-create-ISA-string-separately-not-as-part-of-cpuinfo/20230425-035214
base:   next-20230424
patch link:    https://lore.kernel.org/r/20230424194911.264850-4-heiko.stuebner%40vrull.eu
patch subject: [PATCH 3/4] RISC-V: export the ISA string of the running machine in the aux vector
config: riscv-randconfig-r042-20230424 (https://download.01.org/0day-ci/archive/20230425/202304251516.YPx3mm3W-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/3f82c51fa0f92c257313a0291c7a36cbdfdc5bb1
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Heiko-Stuebner/RISC-V-create-ISA-string-separately-not-as-part-of-cpuinfo/20230425-035214
        git checkout 3f82c51fa0f92c257313a0291c7a36cbdfdc5bb1
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304251516.YPx3mm3W-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/riscv/kernel/cpu.c:122:14: warning: 'riscv_create_isa_string' used but never defined
     122 | static char *riscv_create_isa_string(void);
         |              ^~~~~~~~~~~~~~~~~~~~~~~


vim +/riscv_create_isa_string +122 arch/riscv/kernel/cpu.c

   120	
   121	const char *riscv_base_platform = NULL;
 > 122	static char *riscv_create_isa_string(void);
   123	

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

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