========== build_clang - FAILED In file included from ../kernel/bpf/syscall.c:5: In file included from ../include/linux/bpf.h:21: In file included from ../include/linux/kallsyms.h:13: In file included from ../include/linux/mm.h:2224: ../include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ ../include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ ../kernel/bpf/syscall.c:6463:20: error: call to undeclared function 'bpf_core_essential_name_len'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 6463 | ext_essent_len = bpf_core_essential_name_len(ext->name); | ^ ../kernel/bpf/syscall.c:7097:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion] 7097 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~ ../kernel/bpf/syscall.c:7147:41: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion] 7147 | .arg4_type = ARG_PTR_TO_FIXED_SIZE_MEM | MEM_UNINIT | MEM_WRITE | MEM_ALIGNED, | ~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~ 5 warnings and 1 error generated. make[5]: *** [../scripts/Makefile.build:194: kernel/bpf/syscall.o] Error 1 make[4]: *** [../scripts/Makefile.build:440: kernel/bpf] Error 2 make[3]: *** [../scripts/Makefile.build:440: kernel] Error 2 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1993: .] Error 2 make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2 make: *** [Makefile:251: __sub-make] Error 2 In file included from ../kernel/bpf/syscall.c:5: In file included from ../include/linux/bpf.h:21: In file included from ../include/linux/kallsyms.h:13: In file included from ../include/linux/mm.h:2224: ../include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ ../include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ ../kernel/bpf/syscall.c:6463:20: error: call to undeclared function 'bpf_core_essential_name_len'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 6463 | ext_essent_len = bpf_core_essential_name_len(ext->name); | ^ ../kernel/bpf/syscall.c:7286:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion] 7286 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~ ../kernel/bpf/syscall.c:7336:41: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion] 7336 | .arg4_type = ARG_PTR_TO_FIXED_SIZE_MEM | MEM_UNINIT | MEM_WRITE | MEM_ALIGNED, | ~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~ 5 warnings and 1 error generated. make[5]: *** [../scripts/Makefile.build:194: kernel/bpf/syscall.o] Error 1 make[4]: *** [../scripts/Makefile.build:440: kernel/bpf] Error 2 make[3]: *** [../scripts/Makefile.build:440: kernel] Error 2 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1993: .] Error 2 make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2 make: *** [Makefile:251: __sub-make] Error 2