From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 452DDECAAD4 for ; Thu, 1 Sep 2022 01:58:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232543AbiIAB62 (ORCPT ); Wed, 31 Aug 2022 21:58:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231484AbiIAB60 (ORCPT ); Wed, 31 Aug 2022 21:58:26 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 256F9E924A; Wed, 31 Aug 2022 18:58:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1661997506; x=1693533506; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=+QJK0DcrsKTyJk//SveBQx5j6h4eSCkpl5k0nQvH7do=; b=dk+dl+xaFp5I3/LwogJ0PS17aVJZKi/gnDDeYEwAd3KGZChTKNzMbEen fHQrZk0vyIMSLykme3qe4mfglX1NHc1DtJjzUkLaTFHSh5w0/ZN+IMOsU vXqm0le00ql7GOqbLNvWxPjQirkqBUK1h8lHr/PMokGeQaCTu33oQY8LM PUARKzKVtMEdim+twV4+rjL11daDeto4c+lhzi1J2uxYJYC8vmfljVbZc OeTuR1WMGpvot4nClj2fUG7ujcgLjZX0hIWQHMEklHWSnccIWb7eF96On v/PGMkWX9Eqpaz44Us+KjBT8F6GoC89ZGwa41DnfGyKhlbGso+jrUIPyX g==; X-IronPort-AV: E=McAfee;i="6500,9779,10456"; a="275341927" X-IronPort-AV: E=Sophos;i="5.93,279,1654585200"; d="scan'208";a="275341927" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2022 18:58:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,279,1654585200"; d="scan'208";a="563259127" Received: from lkp-server02.sh.intel.com (HELO 811e2ceaf0e5) ([10.239.97.151]) by orsmga003.jf.intel.com with ESMTP; 31 Aug 2022 18:58:22 -0700 Received: from kbuild by 811e2ceaf0e5 with local (Exim 4.96) (envelope-from ) id 1oTZTK-0000yC-0M; Thu, 01 Sep 2022 01:58:22 +0000 Date: Thu, 1 Sep 2022 09:58:06 +0800 From: kernel test robot To: Joanne Koong , bpf@vger.kernel.org Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, andrii@kernel.org, daniel@iogearbox.net, ast@kernel.org, kafai@fb.com, memxor@gmail.com, toke@redhat.com, kuba@kernel.org, netdev@vger.kernel.org, Joanne Koong Subject: Re: [PATCH bpf-next v5 1/3] bpf: Add skb dynptrs Message-ID: <202209010925.Du4GHGW9-lkp@intel.com> References: <20220831183224.3754305-2-joannelkoong@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220831183224.3754305-2-joannelkoong@gmail.com> Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hi Joanne, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/Add-skb-xdp-dynptrs/20220901-024122 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: hexagon-randconfig-r045-20220831 (https://download.01.org/0day-ci/archive/20220901/202209010925.Du4GHGW9-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/273adaa44c063c460e9a23123957a1864c5cc26c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Joanne-Koong/Add-skb-xdp-dynptrs/20220901-024122 git checkout 273adaa44c063c460e9a23123957a1864c5cc26c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): In file included from kernel/sysctl.c:35: >> include/linux/filter.h:1540:5: warning: no previous prototype for function '__bpf_skb_load_bytes' [-Wmissing-prototypes] int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len) ^ include/linux/filter.h:1540:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len) ^ static >> include/linux/filter.h:1545:5: warning: no previous prototype for function '__bpf_skb_store_bytes' [-Wmissing-prototypes] int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from, ^ include/linux/filter.h:1545:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from, ^ static 2 warnings generated. -- In file included from kernel/kallsyms.c:25: >> include/linux/filter.h:1540:5: warning: no previous prototype for function '__bpf_skb_load_bytes' [-Wmissing-prototypes] int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len) ^ include/linux/filter.h:1540:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len) ^ static >> include/linux/filter.h:1545:5: warning: no previous prototype for function '__bpf_skb_store_bytes' [-Wmissing-prototypes] int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from, ^ include/linux/filter.h:1545:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from, ^ static kernel/kallsyms.c:570:12: warning: no previous prototype for function 'arch_get_kallsym' [-Wmissing-prototypes] int __weak arch_get_kallsym(unsigned int symnum, unsigned long *value, ^ kernel/kallsyms.c:570:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __weak arch_get_kallsym(unsigned int symnum, unsigned long *value, ^ static 3 warnings generated. -- >> ld.lld: error: duplicate symbol: __bpf_skb_load_bytes >>> defined at filter.h:1542 (include/linux/filter.h:1542) >>> sysctl.o:(__bpf_skb_load_bytes) in archive kernel/built-in.a >>> defined at filter.h:1542 (include/linux/filter.h:1542) >>> extable.o:(.text+0x0) in archive kernel/built-in.a -- >> ld.lld: error: duplicate symbol: __bpf_skb_store_bytes >>> defined at filter.h:1548 (include/linux/filter.h:1548) >>> sysctl.o:(__bpf_skb_store_bytes) in archive kernel/built-in.a >>> defined at filter.h:1548 (include/linux/filter.h:1548) >>> extable.o:(.text+0x8) in archive kernel/built-in.a -- >> ld.lld: error: duplicate symbol: __bpf_skb_load_bytes >>> defined at filter.h:1542 (include/linux/filter.h:1542) >>> sysctl.o:(__bpf_skb_load_bytes) in archive kernel/built-in.a >>> defined at filter.h:1542 (include/linux/filter.h:1542) >>> kallsyms.o:(.text+0x0) in archive kernel/built-in.a -- >> ld.lld: error: duplicate symbol: __bpf_skb_store_bytes >>> defined at filter.h:1548 (include/linux/filter.h:1548) >>> sysctl.o:(__bpf_skb_store_bytes) in archive kernel/built-in.a >>> defined at filter.h:1548 (include/linux/filter.h:1548) >>> kallsyms.o:(.text+0x8) in archive kernel/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp