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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250714120047.35901-13-byungchul@sk.com> X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 34D2F40009 X-Stat-Signature: 8cyoqa81n1z9bhg6eno8st9bt84jk91u X-Rspam-User: X-HE-Tag: 1752538968-836813 X-HE-Meta: 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 tZqrh6oO 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Byungchul, kernel test robot noticed the following build warnings: [auto build test WARNING on c65d34296b2252897e37835d6007bbd01b255742] url: https://github.com/intel-lab-lkp/linux/commits/Byungchul-Park/netmem-introduce-struct-netmem_desc-mirroring-struct-page/20250714-200214 base: c65d34296b2252897e37835d6007bbd01b255742 patch link: https://lore.kernel.org/r/20250714120047.35901-13-byungchul%40sk.com patch subject: [PATCH net-next v10 12/12] libeth: xdp: access ->pp through netmem_desc instead of page config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250715/202507150748.9sVeInO8-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250715/202507150748.9sVeInO8-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/202507150748.9sVeInO8-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/intel/libeth/tx.c:6: include/net/libeth/xdp.h: In function 'libeth_xdp_prepare_buff': >> include/net/libeth/xdp.h:1295:44: warning: passing argument 1 of 'pp_page_to_nmdesc' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 1295 | pp_page_to_nmdesc(page)->pp->p.offset, len, true); | ^~~~ In file included from include/linux/skbuff.h:41, from include/net/net_namespace.h:43, from include/linux/netdevice.h:38, from include/trace/events/xdp.h:8, from include/linux/bpf_trace.h:5, from include/net/libeth/xdp.h:7: include/net/netmem.h:270:66: note: expected 'struct page *' but argument is of type 'const struct page *' 270 | static inline struct netmem_desc *pp_page_to_nmdesc(struct page *page) | ~~~~~~~~~~~~~^~~~ vim +1295 include/net/libeth/xdp.h 1263 1264 bool libeth_xdp_buff_add_frag(struct libeth_xdp_buff *xdp, 1265 const struct libeth_fqe *fqe, 1266 u32 len); 1267 1268 /** 1269 * libeth_xdp_prepare_buff - fill &libeth_xdp_buff with head FQE data 1270 * @xdp: XDP buffer to attach the head to 1271 * @fqe: FQE containing the head buffer 1272 * @len: buffer len passed from HW 1273 * 1274 * Internal, use libeth_xdp_process_buff() instead. Initializes XDP buffer 1275 * head with the Rx buffer data: data pointer, length, headroom, and 1276 * truesize/tailroom. Zeroes the flags. 1277 * Uses faster single u64 write instead of per-field access. 1278 */ 1279 static inline void libeth_xdp_prepare_buff(struct libeth_xdp_buff *xdp, 1280 const struct libeth_fqe *fqe, 1281 u32 len) 1282 { 1283 const struct page *page = __netmem_to_page(fqe->netmem); 1284 1285 #ifdef __LIBETH_WORD_ACCESS 1286 static_assert(offsetofend(typeof(xdp->base), flags) - 1287 offsetof(typeof(xdp->base), frame_sz) == 1288 sizeof(u64)); 1289 1290 *(u64 *)&xdp->base.frame_sz = fqe->truesize; 1291 #else 1292 xdp_init_buff(&xdp->base, fqe->truesize, xdp->base.rxq); 1293 #endif 1294 xdp_prepare_buff(&xdp->base, page_address(page) + fqe->offset, > 1295 pp_page_to_nmdesc(page)->pp->p.offset, len, true); 1296 } 1297 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki