tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: d68dc6ee371ec5466be9b2d76bdca0b360940adc commit: 48fb9af1d04848a2583b2dbf3b7091eca38dd482 [1636/1636] mm: Enhanced copy capabilities for Hygon processor config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241214/202412140911.UsV56v7f-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241214/202412140911.UsV56v7f-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202412140911.UsV56v7f-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

arch/x86/kernel/cpu/hygon.c:480:6: warning: no previous prototype for function 'set_c86_features_para_invalid' [-Wmissing-prototypes]

480 | void set_c86_features_para_invalid(void) | ^ arch/x86/kernel/cpu/hygon.c:480:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 480 | void set_c86_features_para_invalid(void) | ^ | static

...

arch/x86/kernel/cpu/hygon.c:485:14: warning: no previous prototype for function 'get_nt_block_copy_mini_len' [-Wmissing-prototypes]

485 | unsigned int get_nt_block_copy_mini_len(void) | ^ arch/x86/kernel/cpu/hygon.c:485:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 485 | unsigned int get_nt_block_copy_mini_len(void) | ^ | static 2 warnings generated. -- In file included from arch/x86/kernel/fpu/core.c:14: In file included from arch/x86/include/asm/traps.h:6: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:2242: 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 + | ~~~~~~~~~~~~~~~~~~~~~~

...

arch/x86/kernel/fpu/core.c:466:14: warning: no previous prototype for function 'get_fpustate_free_space' [-Wmissing-prototypes]

466 | unsigned int get_fpustate_free_space(struct fpu *fpu) | ^ arch/x86/kernel/fpu/core.c:466:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 466 | unsigned int get_fpustate_free_space(struct fpu *fpu) | ^ | static 6 warnings generated.

vim +/set_c86_features_para_invalid +480 arch/x86/kernel/cpu/hygon.c

479

480 void set_c86_features_para_invalid(void)

481 { 482 memset((void *)&hygon_c86_data, 0, sizeof(struct hygon_c86_info)); 483 } 484

485 unsigned int get_nt_block_copy_mini_len(void)

486 { 487 unsigned int mini_len = hygon_c86_data.nt_cpy_mini_len; 488 489 return mini_len; 490 } 491 EXPORT_SYMBOL_GPL(get_nt_block_copy_mini_len); 492