[jolsa-perf:bpf/optimized_uprobe_6 1/2] <inline asm>:7:6: error: invalid register

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/optimized_uprobe_6
head:   89ec186aa763b7de4f2846f57d5f7ffc38d72077
commit: c46975c90ceef8ec72cfa1826b02ebea142c1787 [1/2] uprobe: Add syscall to speed up return probe
config: s390-defconfig (https://download.01.org/0day-ci/archive/20240311/202403110200.1FfcsDZa-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 503c55e17037436dcd45ac69dea8967e67e3f5e8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240311/202403110200.1FfcsDZa-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/202403110200.1FfcsDZa-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/events/uprobes.c:13:
   In file included from include/linux/highmem.h:10:
   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 +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   In file included from kernel/events/uprobes.c:27:
   In file included from include/linux/shmem_fs.h:11:
   In file included from include/linux/fs_parser.h:11:
   In file included from include/linux/fs_context.h:14:
   In file included from include/linux/security.h:35:
   include/linux/bpf.h:736:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     736 |         ARG_PTR_TO_MAP_VALUE_OR_NULL    = PTR_MAYBE_NULL | ARG_PTR_TO_MAP_VALUE,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:737:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     737 |         ARG_PTR_TO_MEM_OR_NULL          = PTR_MAYBE_NULL | ARG_PTR_TO_MEM,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
   include/linux/bpf.h:738:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     738 |         ARG_PTR_TO_CTX_OR_NULL          = PTR_MAYBE_NULL | ARG_PTR_TO_CTX,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
   include/linux/bpf.h:739:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     739 |         ARG_PTR_TO_SOCKET_OR_NULL       = PTR_MAYBE_NULL | ARG_PTR_TO_SOCKET,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:740:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     740 |         ARG_PTR_TO_STACK_OR_NULL        = PTR_MAYBE_NULL | ARG_PTR_TO_STACK,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
   include/linux/bpf.h:741:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     741 |         ARG_PTR_TO_BTF_ID_OR_NULL       = PTR_MAYBE_NULL | ARG_PTR_TO_BTF_ID,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:745:38: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     745 |         ARG_PTR_TO_UNINIT_MEM           = MEM_UNINIT | ARG_PTR_TO_MEM,
         |                                           ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
   include/linux/bpf.h:747:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
     747 |         ARG_PTR_TO_FIXED_SIZE_MEM       = MEM_FIXED_SIZE | ARG_PTR_TO_MEM,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
   include/linux/bpf.h:770:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
     770 |         RET_PTR_TO_MAP_VALUE_OR_NULL    = PTR_MAYBE_NULL | RET_PTR_TO_MAP_VALUE,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:771:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
     771 |         RET_PTR_TO_SOCKET_OR_NULL       = PTR_MAYBE_NULL | RET_PTR_TO_SOCKET,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:772:47: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
     772 |         RET_PTR_TO_TCP_SOCK_OR_NULL     = PTR_MAYBE_NULL | RET_PTR_TO_TCP_SOCK,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:773:50: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
     773 |         RET_PTR_TO_SOCK_COMMON_OR_NULL  = PTR_MAYBE_NULL | RET_PTR_TO_SOCK_COMMON,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:775:49: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
     775 |         RET_PTR_TO_DYNPTR_MEM_OR_NULL   = PTR_MAYBE_NULL | RET_PTR_TO_MEM,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
   include/linux/bpf.h:776:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
     776 |         RET_PTR_TO_BTF_ID_OR_NULL       = PTR_MAYBE_NULL | RET_PTR_TO_BTF_ID,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:777:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
     777 |         RET_PTR_TO_BTF_ID_TRUSTED       = PTR_TRUSTED    | RET_PTR_TO_BTF_ID,
         |                                           ~~~~~~~~~~~    ^ ~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:888:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
     888 |         PTR_TO_MAP_VALUE_OR_NULL        = PTR_MAYBE_NULL | PTR_TO_MAP_VALUE,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
   include/linux/bpf.h:889:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
     889 |         PTR_TO_SOCKET_OR_NULL           = PTR_MAYBE_NULL | PTR_TO_SOCKET,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
   include/linux/bpf.h:890:46: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
     890 |         PTR_TO_SOCK_COMMON_OR_NULL      = PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:891:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
     891 |         PTR_TO_TCP_SOCK_OR_NULL         = PTR_MAYBE_NULL | PTR_TO_TCP_SOCK,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~
   include/linux/bpf.h:892:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
     892 |         PTR_TO_BTF_ID_OR_NULL           = PTR_MAYBE_NULL | PTR_TO_BTF_ID,
         |                                           ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
>> <inline asm>:7:6: error: invalid register
       7 | push %rax
         |      ^
   <inline asm>:8:11: error: invalid register
       8 | mov $462, %rax
         |           ^
   <inline asm>:9:1: error: invalid instruction
       9 | syscall
         | ^
   25 warnings and 3 errors generated.

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