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="amRS5kA/" Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D7CFC8 for ; Mon, 20 Nov 2023 21:23:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700544219; x=1732080219; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=fl3Tmal+8MUaITF85OyuVoJV7t7A/ocR2PgT72cuTLo=; b=amRS5kA/wi70Pvz/VwSdIHK7bdbpxqVKpiDm4NgYHXVGcICdsdn8PObG kItV7ATLgdRwHQvXZiMJCTGjBtNsI8RCQH8ldKWMHEql+5lC50JJjX8Fd quoKa0HuddjdJMuN5E+WArkSPja2ZGwfgYkCePX4nDzNohgwyXk+70X6J 2BuT33bkzhAsHpj6grP8Ymlk4SD2yOiY4zOkrqSF/sr3EPl+J2RrC/2HO k2u2/fpV6nM+0MGiuRW71viDKj86wJ/5obMkmAA3z6UfnCEHw++yBEegy 1q6TCBaHOQ/NUePpAK5IrDG0OTiTSKAPikNVHIctcOfBhw6oA3JE+FWAr Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10900"; a="382160685" X-IronPort-AV: E=Sophos;i="6.04,215,1695711600"; d="scan'208";a="382160685" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2023 21:23:38 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.04,215,1695711600"; d="scan'208";a="14793493" Received: from lkp-server02.sh.intel.com (HELO b8de5498638e) ([10.239.97.151]) by fmviesa001.fm.intel.com with ESMTP; 20 Nov 2023 21:23:36 -0800 Received: from kbuild by b8de5498638e with local (Exim 4.96) (envelope-from ) id 1r5JEN-0007LT-0L; Tue, 21 Nov 2023 05:23:29 +0000 Date: Tue, 21 Nov 2023 13:20:54 +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: <202311211358.O24bsL46-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: x86_64-randconfig-121-20231121 (https://download.01.org/0day-ci/archive/20231121/202311211358.O24bsL46-lkp@intel.com/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231121/202311211358.O24bsL46-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/202311211358.O24bsL46-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/bpf/bpf_local_storage.c:30:6: sparse: sparse: symbol 'alloc_mmapable_selem_value' was not declared. Should it be static? >> kernel/bpf/bpf_local_storage.c:291:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct bpf_local_storage_map *smap @@ got struct bpf_local_storage_map [noderef] __rcu *smap @@ kernel/bpf/bpf_local_storage.c:291:14: sparse: expected struct bpf_local_storage_map *smap kernel/bpf/bpf_local_storage.c:291:14: sparse: got struct bpf_local_storage_map [noderef] __rcu *smap kernel/bpf/bpf_local_storage.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...): include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false vim +/alloc_mmapable_selem_value +30 kernel/bpf/bpf_local_storage.c 29 > 30 void *alloc_mmapable_selem_value(struct bpf_local_storage_map *smap) 31 { 32 struct mem_cgroup *memcg, *old_memcg; 33 void *ptr; 34 35 memcg = bpf_map_get_memcg(&smap->map); 36 old_memcg = set_active_memcg(memcg); 37 ptr = bpf_map_area_mmapable_alloc(PAGE_ALIGN(smap->map.value_size), 38 NUMA_NO_NODE); 39 set_active_memcg(old_memcg); 40 mem_cgroup_put(memcg); 41 42 return ptr; 43 } 44 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki