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X-CSE-ConnectionGUID: Sz7GDxEIQnaZdvn3+b0SBA== X-CSE-MsgGUID: r8qMeue6QiavlAB3ocEySQ== X-IronPort-AV: E=McAfee;i="6800,10657,11483"; a="57752431" X-IronPort-AV: E=Sophos;i="6.16,286,1744095600"; d="scan'208";a="57752431" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2025 00:01:22 -0700 X-CSE-ConnectionGUID: QQtpBEeXRGmTeBW803Rtow== X-CSE-MsgGUID: 5ZVZO86jTKeCuxY1TkW0Qw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,286,1744095600"; d="scan'208";a="154655596" Received: from lkp-server01.sh.intel.com (HELO 0b2900756c14) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 04 Jul 2025 00:01:18 -0700 Received: from kbuild by 0b2900756c14 with local (Exim 4.96) (envelope-from ) id 1uXaQ8-0003QZ-26; Fri, 04 Jul 2025 07:01:16 +0000 Date: Fri, 4 Jul 2025 15:00:27 +0800 From: kernel test robot To: Menglong Dong , alexei.starovoitov@gmail.com, rostedt@goodmis.org, jolsa@kernel.org Cc: oe-kbuild-all@lists.linux.dev, bpf@vger.kernel.org, Menglong Dong , John Fastabend , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , linux-kernel@vger.kernel.org Subject: Re: [PATCH bpf-next v2 05/18] bpf: introduce bpf_gtramp_link Message-ID: <202507041433.Taj70BHu-lkp@intel.com> References: <20250703121521.1874196-6-dongml2@chinatelecom.cn> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250703121521.1874196-6-dongml2@chinatelecom.cn> Hi Menglong, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Menglong-Dong/bpf-add-function-hash-table-for-tracing-multi/20250703-203035 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20250703121521.1874196-6-dongml2%40chinatelecom.cn patch subject: [PATCH bpf-next v2 05/18] bpf: introduce bpf_gtramp_link config: x86_64-buildonly-randconfig-002-20250704 (https://download.01.org/0day-ci/archive/20250704/202507041433.Taj70BHu-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250704/202507041433.Taj70BHu-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202507041433.Taj70BHu-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/bpf/trampoline.c:36:34: warning: 'bpf_shim_tramp_link_lops' defined but not used [-Wunused-const-variable=] 36 | static const struct bpf_link_ops bpf_shim_tramp_link_lops; | ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/bpf_shim_tramp_link_lops +36 kernel/bpf/trampoline.c 33 34 static struct bpf_global_trampoline global_tr_array[MAX_BPF_FUNC_ARGS + 1]; 35 static DEFINE_MUTEX(global_tr_lock); > 36 static const struct bpf_link_ops bpf_shim_tramp_link_lops; 37 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki