tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: db988390007bce595dba0dfd782c610578e26d2d commit: 5c3cf22892983304b18d87296ed96ff0ab7d6c95 [1613/1613] arm64: Introduce xcall a faster svc exception handling config: arm64-randconfig-001-20241210 (https://download.01.org/0day-ci/archive/20241210/202412100701.gJFnUZcV-lkp@i...) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241210/202412100701.gJFnUZcV-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/202412100701.gJFnUZcV-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from arch/arm64/kernel/cpufeature.c:67: In file included from include/linux/crash_dump.h:5: In file included from include/linux/kexec.h:18: In file included from include/linux/crash_core.h:6: In file included from include/linux/elfcore.h:11: In file included from include/linux/ptrace.h:10: In file included from include/linux/pid_namespace.h:7: In file included from include/linux/mm.h:2247: 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/arm64/kernel/cpufeature.c:2387:6: warning: no previous prototype for function 'fast_syscall_enabled' [-Wmissing-prototypes]

2387 | bool fast_syscall_enabled(void) | ^ arch/arm64/kernel/cpufeature.c:2387:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 2387 | bool fast_syscall_enabled(void) | ^ | static 6 warnings generated.

vim +/fast_syscall_enabled +2387 arch/arm64/kernel/cpufeature.c

2386

2387 bool fast_syscall_enabled(void)

2388 { 2389 return is_xcall_support; 2390 } 2391