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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250410065446.57304-2-gmonaco@redhat.com> Hi Gabriele, kernel test robot noticed the following build warnings: [auto build test WARNING on 3b07108ada81a8ebcebf1fe61367b4e436c895bd] url: https://github.com/intel-lab-lkp/linux/commits/Gabriele-Monaco/timers-Exclude-isolated-cpus-from-timer-migation/20250410-145629 base: 3b07108ada81a8ebcebf1fe61367b4e436c895bd patch link: https://lore.kernel.org/r/20250410065446.57304-2-gmonaco%40redhat.com patch subject: [PATCH] timers: Exclude isolated cpus from timer migation config: csky-randconfig-001-20250411 (https://download.01.org/0day-ci/archive/20250411/202504111433.IwFLpkrz-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250411/202504111433.IwFLpkrz-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/202504111433.IwFLpkrz-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/uprobes.h:18, from include/linux/mm_types.h:16, from include/linux/mmzone.h:22, from include/linux/topology.h:33, from include/linux/irq.h:19, from include/asm-generic/hardirq.h:17, from ./arch/csky/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:8, from arch/csky/kernel/asm-offsets.c:5: include/linux/timer.h: In function 'tmigr_isolated_exclude_cpumask': >> include/linux/timer.h:196:1: warning: no return statement in function returning non-void [-Wreturn-type] 196 | static inline int tmigr_isolated_exclude_cpumask(cpumask_var_t exclude_cpumask) { } | ^~~~~~ -- In file included from include/linux/uprobes.h:18, from include/linux/mm_types.h:16, from include/linux/mmzone.h:22, from include/linux/topology.h:33, from include/linux/irq.h:19, from include/asm-generic/hardirq.h:17, from ./arch/csky/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:8, from arch/csky/kernel/asm-offsets.c:5: include/linux/timer.h: In function 'tmigr_isolated_exclude_cpumask': >> include/linux/timer.h:196:1: warning: no return statement in function returning non-void [-Wreturn-type] 196 | static inline int tmigr_isolated_exclude_cpumask(cpumask_var_t exclude_cpumask) { } | ^~~~~~ vim +196 include/linux/timer.h 192 193 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) 194 extern int tmigr_isolated_exclude_cpumask(cpumask_var_t exclude_cpumask); 195 #else > 196 static inline int tmigr_isolated_exclude_cpumask(cpumask_var_t exclude_cpumask) { } 197 #endif 198 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki