[openeuler:OLK-6.6 2263/2263] drivers/message/fusion/mptbase.o: warning: objtool: mpt_interrupt+0x1593: unreachable instruction

[openeuler:OLK-6.6 2263/2263] drivers/message/fusion/mptbase.o: warning: objtool: mpt_interrupt+0x1593: unreachable instruction

[kernel test robot]

tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   60b649bb3c3ac2d6c073ccc63fa68c3166183c34
commit: 241ad43fe7e9c24d5ba4cdd1ec22e731cdd22d14 [2263/2263] Compiler: Add clang's PGO support for kernel.
config: x86_64-randconfig-r063-20250521 (https://download.01.org/0day-ci/archive/20250521/202505211254.LgwpVTzi-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
rustc: rustc 1.73.0 (cc66ad468 2023-10-03)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250521/202505211254.LgwpVTzi-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/202505211254.LgwpVTzi-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/message/fusion/mptbase.c:56:
   In file included from include/linux/pci.h:1666:
   In file included from include/linux/dmapool.h:14:
   In file included from include/linux/scatterlist.h:8:
   In file included from include/linux/mm.h:2235:
   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 +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   5 warnings generated.
>> drivers/message/fusion/mptbase.o: warning: objtool: mpt_interrupt+0x1593: unreachable instruction

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ACPI_HOTPLUG_IGNORE_OSC
   Depends on [n]: ACPI [=y] && ACPI_HOTPLUG_CPU [=n]
   Selected by [y]:
   - X86 [=y] && ACPI [=y] && HOTPLUG_CPU [=y]

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https://github.com/intel/lkp-tests/wiki