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X-CSE-ConnectionGUID: Pt/8TeNhT/qgyIlSDgXUxw== X-CSE-MsgGUID: LfDNlE6eSJ2d03ab4NWCGQ== X-IronPort-AV: E=McAfee;i="6700,10204,11258"; a="35560906" X-IronPort-AV: E=Sophos;i="6.12,161,1728975600"; d="scan'208";a="35560906" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2024 20:43:55 -0800 X-CSE-ConnectionGUID: E+OCPVqJQ7KNfXaFrmth9w== X-CSE-MsgGUID: udVJSe2oTIe4UuMW8PBpLA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,161,1728975600"; d="scan'208";a="93375793" Received: from lkp-server01.sh.intel.com (HELO 1e3cc1889ffb) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 16 Nov 2024 20:43:52 -0800 Received: from kbuild by 1e3cc1889ffb with local (Exim 4.96) (envelope-from ) id 1tCX8Y-0001UV-0T; Sun, 17 Nov 2024 04:43:50 +0000 Date: Sun, 17 Nov 2024 12:43:32 +0800 From: kernel test robot To: Ryan Wilson , bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org, daniel@iogearbox.net Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, ryantimwilson@meta.com Subject: Re: [PATCH bpf-next] bpf: Add multi-prog support for XDP BPF programs Message-ID: <202411171200.F60G1P8R-lkp@intel.com> References: <20241114170721.3939099-1-ryantimwilson@gmail.com> 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: <20241114170721.3939099-1-ryantimwilson@gmail.com> Hi Ryan, 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/Ryan-Wilson/bpf-Add-multi-prog-support-for-XDP-BPF-programs/20241115-015104 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20241114170721.3939099-1-ryantimwilson%40gmail.com patch subject: [PATCH bpf-next] bpf: Add multi-prog support for XDP BPF programs config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20241117/202411171200.F60G1P8R-lkp@intel.com/config) 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/20241117/202411171200.F60G1P8R-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/202411171200.F60G1P8R-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/s390/boot/startup.c:14: In file included from arch/s390/include/asm/diag.h:12: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:24: In file included from include/linux/bpf_mprog.h:6: >> include/linux/bpf.h:2068:24: warning: field 'hdr' with variable sized type 'struct bpf_prog_array' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end] 2068 | struct bpf_prog_array hdr; | ^ 1 warning generated. vim +2068 include/linux/bpf.h 324bda9e6c5add Alexei Starovoitov 2017-10-02 2066 46531a30364bd4 Pavel Begunkov 2022-01-27 2067 struct bpf_empty_prog_array { 46531a30364bd4 Pavel Begunkov 2022-01-27 @2068 struct bpf_prog_array hdr; 46531a30364bd4 Pavel Begunkov 2022-01-27 2069 struct bpf_prog *null_prog; 46531a30364bd4 Pavel Begunkov 2022-01-27 2070 }; 46531a30364bd4 Pavel Begunkov 2022-01-27 2071 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki