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Peter Anvin" , Ingo Molnar , Thomas Gleixner , Li RongQing , Yu Kuai , Khazhismel Kumykov , Jens Axboe , x86@kernel.org Subject: Re: [PATCH v4 next 6/9] lib: test_mul_u64_u64_div_u64: Test both generic and arch versions Message-ID: <202511020341.TEhkaR65-lkp@intel.com> References: <20251029173828.3682-7-david.laight.linux@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251029173828.3682-7-david.laight.linux@gmail.com> Hi David, kernel test robot noticed the following build warnings: [auto build test WARNING on next-20251029] url: https://github.com/intel-lab-lkp/linux/commits/David-Laight/lib-mul_u64_u64_div_u64-rename-parameter-c-to-d/20251030-025633 base: next-20251029 patch link: https://lore.kernel.org/r/20251029173828.3682-7-david.laight.linux%40gmail.com patch subject: [PATCH v4 next 6/9] lib: test_mul_u64_u64_div_u64: Test both generic and arch versions config: i386-randconfig-052-20251102 (https://download.01.org/0day-ci/archive/20251102/202511020341.TEhkaR65-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251102/202511020341.TEhkaR65-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202511020341.TEhkaR65-lkp@intel.com/ All warnings (new ones prefixed by >>): >> lib/math/test_mul_u64_u64_div_u64.c:142:9: warning: "__div64_32" redefined 142 | #define __div64_32 __div64_32 | ^~~~~~~~~~ In file included from include/linux/math.h:6, from include/linux/math64.h:6, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:13, from lib/math/test_mul_u64_u64_div_u64.c:9: arch/x86/include/asm/div64.h:78:9: note: this is the location of the previous definition 78 | #define __div64_32 | ^~~~~~~~~~ vim +/__div64_32 +142 lib/math/test_mul_u64_u64_div_u64.c 140 141 /* Compile the generic mul_u64_add_u64_div_u64() code */ > 142 #define __div64_32 __div64_32 143 #define div_s64_rem div_s64_rem 144 #define div64_u64_rem div64_u64_rem 145 #define div64_u64 div64_u64 146 #define div64_s64 div64_s64 147 #define iter_div_u64_rem iter_div_u64_rem 148 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki