[jkirsher-net-queue:master 4/4] arch/arm64/net/bpf_jit_comp.c:2258:6: warning: no previous prototype for function 'bpf_jit_supports_private_stack'

[jkirsher-net-queue:master 4/4] arch/arm64/net/bpf_jit_comp.c:2258:6: warning: no previous prototype for function 'bpf_jit_supports_private_stack'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git master
head:   c9a8544415241209a476e56cc98a09ab074e29a8
commit: c9a8544415241209a476e56cc98a09ab074e29a8 [4/4] bpf: Add support for certain atomics in bpf_arena to x86 JIT
config: arm64-randconfig-004-20251016 (https://download.01.org/0day-ci/archive/20251016/202510160449.pcIYMJSz-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 39f292ffa13d7ca0d1edff27ac8fd55024bb4d19)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251016/202510160449.pcIYMJSz-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/202510160449.pcIYMJSz-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm64/net/bpf_jit_comp.c:2258:6: warning: no previous prototype for function 'bpf_jit_supports_private_stack' [-Wmissing-prototypes]
    2258 | bool bpf_jit_supports_private_stack(void)
         |      ^
   arch/arm64/net/bpf_jit_comp.c:2258:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    2258 | bool bpf_jit_supports_private_stack(void)
         | ^
         | static 
>> arch/arm64/net/bpf_jit_comp.c:3096:6: warning: no previous prototype for function 'bpf_jit_supports_timed_may_goto' [-Wmissing-prototypes]
    3096 | bool bpf_jit_supports_timed_may_goto(void)
         |      ^
   arch/arm64/net/bpf_jit_comp.c:3096:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    3096 | bool bpf_jit_supports_timed_may_goto(void)
         | ^
         | static 
   2 warnings generated.


vim +/bpf_jit_supports_private_stack +2258 arch/arm64/net/bpf_jit_comp.c

91fc957c9b1d6c5 Ard Biesheuvel 2018-11-23  2257  
6c17a882d3804dc Puranjay Mohan 2025-07-24 @2258  bool bpf_jit_supports_private_stack(void)
6c17a882d3804dc Puranjay Mohan 2025-07-24  2259  {
6c17a882d3804dc Puranjay Mohan 2025-07-24  2260  	return true;
6c17a882d3804dc Puranjay Mohan 2025-07-24  2261  }
6c17a882d3804dc Puranjay Mohan 2025-07-24  2262  

:::::: The code at line 2258 was first introduced by commit
:::::: 6c17a882d3804dce1c66e1fec25f96d39a184067 bpf, arm64: JIT support for private stack

:::::: TO: Puranjay Mohan <puranjay@kernel.org>
:::::: CC: Daniel Borkmann <daniel@iogearbox.net>

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