[android-common:android15-6.6 2/2] arch/arm64/include/asm/../../../../drivers/misc/pkvm-smc/pkvm/events.h:9:1: warning: no previous prototype for function 'hyp_event_trace_filtered_smc'

[kernel test robot <lkp@intel.com>]

tree:   https://android.googlesource.com/kernel/common android15-6.6
head:   16aa689262af24cd0897f463b3d0dd9ecee6b37c
commit: eea6841a3b9606ed64907c77030b1d50ebdd56fe [2/2] ANDROID: misc: pkvm_smc: Trace denied SMCs.
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251220/202512200852.2k8E91x1-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251220/202512200852.2k8E91x1-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512200852.2k8E91x1-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/misc/pkvm-smc/pkvm-smc.c:10:
   In file included from arch/arm64/include/asm/kvm_pkvm_module.h:6:
   In file included from arch/arm64/include/asm/kvm_pgtable.h:11:
   In file included from include/linux/kvm_host.h:16:
   In file included from include/linux/mm.h:2191:
   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 +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/misc/pkvm-smc/pkvm-smc.c:13:
   In file included from arch/arm64/include/asm/kvm_define_hypevents.h:27:
>> arch/arm64/include/asm/../../../../drivers/misc/pkvm-smc/pkvm/events.h:9:1: warning: no previous prototype for function 'hyp_event_trace_filtered_smc' [-Wmissing-prototypes]
       9 | HYP_EVENT(filtered_smc,
         | ^
   arch/arm64/include/asm/kvm_define_hypevents.h:17:7: note: expanded from macro 'HYP_EVENT'
      17 |         void hyp_event_trace_##__name(struct ht_iterator *iter)                 \
         |              ^
   <scratch space>:126:1: note: expanded from here
     126 | hyp_event_trace_filtered_smc
         | ^
   arch/arm64/include/asm/../../../../drivers/misc/pkvm-smc/pkvm/events.h:9:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/kvm_define_hypevents.h:17:2: note: expanded from macro 'HYP_EVENT'
      17 |         void hyp_event_trace_##__name(struct ht_iterator *iter)                 \
         |         ^
   6 warnings generated.


vim +/hyp_event_trace_filtered_smc +9 arch/arm64/include/asm/../../../../drivers/misc/pkvm-smc/pkvm/events.h

     8	
   > 9	HYP_EVENT(filtered_smc,

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