From: kernel test robot <lkp@intel.com>
To: Alexei Starovoitov <ast@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Jeff Kirsher <jeff.kirsher@gmail.com>,
Martin KaFai Lau <martin.lau@kernel.org>
Subject: [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'
Date: Thu, 16 Oct 2025 04:57:58 +0800 [thread overview]
Message-ID: <202510160449.pcIYMJSz-lkp@intel.com> (raw)
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>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-10-15 20:58 UTC|newest]
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