Hi Jiaxun, kernel test robot noticed the following build warnings: [auto build test WARNING on 0b58e108042b0ed28a71cd7edf5175999955b233] url: https://github.com/intel-lab-lkp/linux/commits/Jiaxun-Yang/MIPS-smp-Make-IPI-interrupts-scalable/20240706-040839 base: 0b58e108042b0ed28a71cd7edf5175999955b233 patch link: https://lore.kernel.org/r/20240705-b4-mips-ipi-improvements-v2-5-2d50b56268e8%40flygoat.com patch subject: [PATCH v2 05/10] MIPS: smp: Implement IPI stats config: mips-allnoconfig (https://download.01.org/0day-ci/archive/20240707/202407070524.LKSlICvH-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240707/202407070524.LKSlICvH-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/202407070524.LKSlICvH-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from arch/mips/kernel/irq.c:29: >> arch/mips/include/asm/ipi.h:54:6: warning: no previous prototype for 'mips_smp_ipi_set_virq_range' [-Wmissing-prototypes] 54 | void mips_smp_ipi_set_virq_range(int virq, int nr) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/mips/include/asm/ipi.h:58:6: warning: no previous prototype for 'mips_smp_ipi_set_irqdomain' [-Wmissing-prototypes] 58 | void mips_smp_ipi_set_irqdomain(struct irq_domain *d) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/mips_smp_ipi_set_virq_range +54 arch/mips/include/asm/ipi.h 42d789a89e6b90 Jiaxun Yang 2024-07-05 48 42d789a89e6b90 Jiaxun Yang 2024-07-05 49 static inline void mips_smp_show_ipi_stats(struct seq_file *p, int prec) 42d789a89e6b90 Jiaxun Yang 2024-07-05 50 { 42d789a89e6b90 Jiaxun Yang 2024-07-05 51 } b7a65e07e35cdf Jiaxun Yang 2024-07-05 52 #endif /* CONFIG_GENERIC_IRQ_IPI */ 877ae81debcbb0 Jiaxun Yang 2024-07-05 53 #else 877ae81debcbb0 Jiaxun Yang 2024-07-05 @54 void mips_smp_ipi_set_virq_range(int virq, int nr) 877ae81debcbb0 Jiaxun Yang 2024-07-05 55 { 877ae81debcbb0 Jiaxun Yang 2024-07-05 56 } 877ae81debcbb0 Jiaxun Yang 2024-07-05 57 877ae81debcbb0 Jiaxun Yang 2024-07-05 @58 void mips_smp_ipi_set_irqdomain(struct irq_domain *d) 877ae81debcbb0 Jiaxun Yang 2024-07-05 59 { 877ae81debcbb0 Jiaxun Yang 2024-07-05 60 } 877ae81debcbb0 Jiaxun Yang 2024-07-05 61 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
