Hi Dawei, kernel test robot noticed the following build warnings: [auto build test WARNING on v6.9-rc4] [also build test WARNING on linus/master next-20240418] [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/Dawei-Li/sparc-srmmu-Remove-on-stack-cpumask-var/20240418-185348 base: v6.9-rc4 patch link: https://lore.kernel.org/r/20240418104949.3606645-3-dawei.li%40shingroup.cn patch subject: [PATCH 2/5] sparc/irq: Remove on-stack cpumask var config: sparc64-defconfig (https://download.01.org/0day-ci/archive/20240419/202404190826.Zi1J5nCx-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240419/202404190826.Zi1J5nCx-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404190826.Zi1J5nCx-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): arch/sparc/kernel/irq_64.c: In function 'irq_choose_cpu': >> arch/sparc/kernel/irq_64.c:358:46: warning: the omitted middle operand in '?:' will always be 'true', suggest explicit middle operand [-Wparentheses] 358 | cpuid = cpuid < nr_cpu_ids ? : map_to_cpu(irq); | ^ vim +358 arch/sparc/kernel/irq_64.c 348 349 #ifdef CONFIG_SMP 350 static int irq_choose_cpu(unsigned int irq, const struct cpumask *affinity) 351 { 352 int cpuid; 353 354 if (cpumask_equal(affinity, cpu_online_mask)) { 355 cpuid = map_to_cpu(irq); 356 } else { 357 cpuid = cpumask_first_and(affinity, cpu_online_mask); > 358 cpuid = cpuid < nr_cpu_ids ? : map_to_cpu(irq); 359 } 360 361 return cpuid; 362 } 363 #else 364 #define irq_choose_cpu(irq, affinity) \ 365 real_hard_smp_processor_id() 366 #endif 367 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki