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Fri, 08 Dec 2023 16:02:57 +0000 Date: Sat, 9 Dec 2023 00:02:21 +0800 From: kernel test robot To: Mina Almasry , Shailend Chand , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, bpf@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: oe-kbuild-all@lists.linux.dev, Mina Almasry , Willem de Bruijn , Kaiyuan Zhang , Jeroen de Borst , Jesper Dangaard Brouer , Arnd Bergmann , Jonathan Corbet , David Ahern , Ilias Apalodimas , Yunsheng Lin , Sumit Semwal , Eric Dumazet , Shakeel Butt , Harshitha Ramamurthy , Praveen Kaligineedi , Jakub Kicinski , Christian =?iso-8859-1?Q?K=F6nig?= , Paolo Abeni , Shuah Khan Subject: Re: [net-next v1 06/16] netdev: support binding dma-buf to netdevice Message-ID: <202312082305.DMh51QVo-lkp@intel.com> References: <20231208005250.2910004-7-almasrymina@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231208005250.2910004-7-almasrymina@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mina, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Mina-Almasry/net-page_pool-factor-out-releasing-DMA-from-releasing-the-page/20231208-085531 base: net-next/main patch link: https://lore.kernel.org/r/20231208005250.2910004-7-almasrymina%40google.com patch subject: [net-next v1 06/16] netdev: support binding dma-buf to netdevice config: i386-randconfig-141-20231208 (https://download.01.org/0day-ci/archive/20231208/202312082305.DMh51QVo-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/20231208/202312082305.DMh51QVo-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/202312082305.DMh51QVo-lkp@intel.com/ All warnings (new ones prefixed by >>): >> net/core/dev.c:2072:5: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] size, avail)) ^~~~ include/asm-generic/bug.h:134:29: note: expanded from macro 'WARN' __WARN_printf(TAINT_WARN, format); \ ^~~~~~ include/asm-generic/bug.h:106:17: note: expanded from macro '__WARN_printf' __warn_printk(arg); \ ^~~ net/core/dev.c:2072:11: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] size, avail)) ^~~~~ include/asm-generic/bug.h:134:29: note: expanded from macro 'WARN' __WARN_printf(TAINT_WARN, format); \ ^~~~~~ include/asm-generic/bug.h:106:17: note: expanded from macro '__WARN_printf' __warn_printk(arg); \ ^~~ net/core/dev.c:4356:1: warning: unused function 'sch_handle_ingress' [-Wunused-function] sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret, ^ net/core/dev.c:4363:1: warning: unused function 'sch_handle_egress' [-Wunused-function] sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev) ^ net/core/dev.c:5573:19: warning: unused function 'nf_ingress' [-Wunused-function] static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev, ^ 5 warnings generated. vim +2072 net/core/dev.c 2060 2061 void __netdev_dmabuf_binding_free(struct netdev_dmabuf_binding *binding) 2062 { 2063 size_t size, avail; 2064 2065 gen_pool_for_each_chunk(binding->chunk_pool, 2066 netdev_dmabuf_free_chunk_owner, NULL); 2067 2068 size = gen_pool_size(binding->chunk_pool); 2069 avail = gen_pool_avail(binding->chunk_pool); 2070 2071 if (!WARN(size != avail, "can't destroy genpool. size=%lu, avail=%lu", > 2072 size, avail)) 2073 gen_pool_destroy(binding->chunk_pool); 2074 2075 dma_buf_unmap_attachment(binding->attachment, binding->sgt, 2076 DMA_BIDIRECTIONAL); 2077 dma_buf_detach(binding->dmabuf, binding->attachment); 2078 dma_buf_put(binding->dmabuf); 2079 xa_destroy(&binding->bound_rxq_list); 2080 kfree(binding); 2081 } 2082 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki