From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="gkBbBnRB" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B9BFF4 for ; Mon, 20 Nov 2023 18:32:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700533968; x=1732069968; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=zrbjJ9oEI2slbPlqxfBNrfBnXeA53nu8ruoxg47jjZc=; b=gkBbBnRBSosmlqNLl2HfT+L8rFeZFEXJ1I2B+PwhKKWK/DtXSrjmM+dX 09jmy/jLpoNmYs/niOMDBhrsamytK6cUoXnLwe2LZQVOKdpweAmCgRUi6 SAC7AglYMVV5rTdPxCs8fWxuRC53rdN44xSr4pNhRAmEICHlP9C3ZwHBI hgNhJexgT0aI6QNjUNilcxdsscByva0c5hYwKwQ8rZiX4/49NELrptyn8 xSZynpU45n5Ld1xrNSy5KVxUxf6PjKKLzz5QyzELIn0XeokssXuU6M9XE AiF+Ym3HXHQhITQyDQVun/oGcjkyY7W8xc/Rq8H724I4uKAl9dmdPIRm0 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10900"; a="371090892" X-IronPort-AV: E=Sophos;i="6.04,215,1695711600"; d="scan'208";a="371090892" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2023 18:32:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10900"; a="939959225" X-IronPort-AV: E=Sophos;i="6.04,215,1695711600"; d="scan'208";a="939959225" Received: from lkp-server02.sh.intel.com (HELO b8de5498638e) ([10.239.97.151]) by orsmga005.jf.intel.com with ESMTP; 20 Nov 2023 18:32:45 -0800 Received: from kbuild by b8de5498638e with local (Exim 4.96) (envelope-from ) id 1r5GZ9-0007CA-1f; Tue, 21 Nov 2023 02:32:43 +0000 Date: Tue, 21 Nov 2023 10:32:42 +0800 From: kernel test robot To: Dave Marchevsky , bpf@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Kernel Team , Johannes Weiner , Dave Marchevsky Subject: Re: [PATCH v1 bpf-next 1/2] bpf: Support BPF_F_MMAPABLE task_local storage Message-ID: <202311211037.6BmDdrr4-lkp@intel.com> References: <20231120175925.733167-2-davemarchevsky@fb.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: <20231120175925.733167-2-davemarchevsky@fb.com> Hi Dave, 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/Dave-Marchevsky/bpf-Support-BPF_F_MMAPABLE-task_local-storage/20231121-020345 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20231120175925.733167-2-davemarchevsky%40fb.com patch subject: [PATCH v1 bpf-next 1/2] bpf: Support BPF_F_MMAPABLE task_local storage config: sparc-randconfig-r081-20231121 (https://download.01.org/0day-ci/archive/20231121/202311211037.6BmDdrr4-lkp@intel.com/config) compiler: sparc-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231121/202311211037.6BmDdrr4-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/202311211037.6BmDdrr4-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/bpf/syscall.c:407:20: warning: no previous prototype for 'bpf_map_get_memcg' [-Wmissing-prototypes] 407 | struct mem_cgroup *bpf_map_get_memcg(const struct bpf_map *map) | ^~~~~~~~~~~~~~~~~ -- >> kernel/bpf/bpf_local_storage.c:30:7: warning: no previous prototype for 'alloc_mmapable_selem_value' [-Wmissing-prototypes] 30 | void *alloc_mmapable_selem_value(struct bpf_local_storage_map *smap) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf/bpf_local_storage.c: In function 'bpf_selem_free_rcu': kernel/bpf/bpf_local_storage.c:288:39: warning: variable 'smap' set but not used [-Wunused-but-set-variable] 288 | struct bpf_local_storage_map *smap; | ^~~~ vim +/bpf_map_get_memcg +407 kernel/bpf/syscall.c 406 > 407 struct mem_cgroup *bpf_map_get_memcg(const struct bpf_map *map) 408 { 409 if (map->objcg) 410 return get_mem_cgroup_from_objcg(map->objcg); 411 412 return root_mem_cgroup; 413 } 414 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki