Hi Joshua, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.8 next-20240314] [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/Joshua-Yeong/riscv-asm-vendorid_list-Add-StarFive-Technology-to-vendors-list/20240314-165125 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20240314061205.26143-4-joshua.yeong%40starfivetech.com patch subject: [PATCH 3/4] cache: Add StarLink-500 cache management for StarFive JH8100 RISC-V core config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20240315/202403151625.boKDjHGr-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8f68022f8e6e54d1aeae4ed301f5a015963089b7) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240315/202403151625.boKDjHGr-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/202403151625.boKDjHGr-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/cache/starlink500_cache.c:11: In file included from include/linux/cacheflush.h:5: In file included from arch/riscv/include/asm/cacheflush.h:9: In file included from include/linux/mm.h:2188: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/cache/starlink500_cache.c:59:6: warning: no previous prototype for function 'starfive_sl500_dma_cache_wback' [-Wmissing-prototypes] 59 | void starfive_sl500_dma_cache_wback(phys_addr_t paddr, unsigned long size) | ^ drivers/cache/starlink500_cache.c:59:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 59 | void starfive_sl500_dma_cache_wback(phys_addr_t paddr, unsigned long size) | ^ | static >> drivers/cache/starlink500_cache.c:74:6: warning: no previous prototype for function 'starfive_sl500_dma_cache_invalidate' [-Wmissing-prototypes] 74 | void starfive_sl500_dma_cache_invalidate(phys_addr_t paddr, unsigned long size) | ^ drivers/cache/starlink500_cache.c:74:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 74 | void starfive_sl500_dma_cache_invalidate(phys_addr_t paddr, unsigned long size) | ^ | static >> drivers/cache/starlink500_cache.c:89:6: warning: no previous prototype for function 'starfive_sl500_dma_cache_wback_inv' [-Wmissing-prototypes] 89 | void starfive_sl500_dma_cache_wback_inv(phys_addr_t paddr, unsigned long size) | ^ drivers/cache/starlink500_cache.c:89:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 89 | void starfive_sl500_dma_cache_wback_inv(phys_addr_t paddr, unsigned long size) | ^ | static 8 warnings generated. vim +/starfive_sl500_dma_cache_wback +59 drivers/cache/starlink500_cache.c 58 > 59 void starfive_sl500_dma_cache_wback(phys_addr_t paddr, unsigned long size) 60 { 61 writeq(FIELD_PREP(STARFIVE_SL500_ADDRESS_RANGE_MASK, paddr), 62 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_START_ADDR); 63 writeq(FIELD_PREP(STARFIVE_SL500_ADDRESS_RANGE_MASK, paddr + size), 64 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_END_ADDR); 65 66 mb(); 67 writeq(FIELD_PREP(STARFIVE_SL500_FLUSH_CTL_MODE_MASK, 68 STARFIVE_SL500_FLUSH_CTL_CLEAN_SHARED), 69 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_CTL); 70 71 starfive_sl500_cmo_flush_complete(); 72 } 73 > 74 void starfive_sl500_dma_cache_invalidate(phys_addr_t paddr, unsigned long size) 75 { 76 writeq(FIELD_PREP(STARFIVE_SL500_ADDRESS_RANGE_MASK, paddr), 77 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_START_ADDR); 78 writeq(FIELD_PREP(STARFIVE_SL500_ADDRESS_RANGE_MASK, paddr + size), 79 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_END_ADDR); 80 81 mb(); 82 writeq(FIELD_PREP(STARFIVE_SL500_FLUSH_CTL_MODE_MASK, 83 STARFIVE_SL500_FLUSH_CTL_MAKE_INVALIDATE), 84 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_CTL); 85 86 starfive_sl500_cmo_flush_complete(); 87 } 88 > 89 void starfive_sl500_dma_cache_wback_inv(phys_addr_t paddr, unsigned long size) 90 { 91 writeq(FIELD_PREP(STARFIVE_SL500_ADDRESS_RANGE_MASK, paddr), 92 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_START_ADDR); 93 writeq(FIELD_PREP(STARFIVE_SL500_ADDRESS_RANGE_MASK, paddr + size), 94 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_END_ADDR); 95 96 mb(); 97 writeq(FIELD_PREP(STARFIVE_SL500_FLUSH_CTL_MODE_MASK, 98 STARFIVE_SL500_FLUSH_CTL_CLEAN_INVALIDATE), 99 starfive_sl500_cache_priv.base_addr + STARFIVE_SL500_CMO_FLUSH_CTL); 100 101 starfive_sl500_cmo_flush_complete(); 102 } 103 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
