tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f141df371335645ce29a87d9683a3f79fba7fd67 commit: 250c1a694ff304e5d69e74ab32755eddcc2b8f65 ARM: pxa: convert to multiplatform date: 6 months ago config: arm-randconfig-r006-20221109 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 463da45892e2d2a262277b91b96f5f8c05dc25d0) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=250c1a694ff304e5d69e74ab32755eddcc2b8f65 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 250c1a694ff304e5d69e74ab32755eddcc2b8f65 # 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=arm SHELL=/bin/bash drivers/net/wireless/intel/iwlwifi/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:9: In file included from drivers/net/wireless/intel/iwlwifi/fw/runtime.h:10: In file included from drivers/net/wireless/intel/iwlwifi/iwl-trans.h:17: In file included from drivers/net/wireless/intel/iwlwifi/fw/img.h:14: >> drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:297:2: warning: field within 'struct iwl_fw_ini_error_dump_range' is less aligned than 'union iwl_fw_ini_error_dump_range::(anonymous at drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:297:2)' and is usually due to 'struct iwl_fw_ini_error_dump_range' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ 1 warning generated. vim +297 drivers/net/wireless/intel/iwlwifi/fw/error-dump.h 990ffe3e81962f Shahar S Matityahu 2019-02-17 284 8d534e96b5000a Shahar S Matityahu 2018-12-03 285 /** 8d534e96b5000a Shahar S Matityahu 2018-12-03 286 * struct iwl_fw_ini_error_dump_range - range of memory 8d534e96b5000a Shahar S Matityahu 2018-12-03 287 * @range_data_size: the size of this range, in bytes 4828f462b5eb32 Shahar S Matityahu 2019-07-10 288 * @internal_base_addr: base address of internal memory range 4828f462b5eb32 Shahar S Matityahu 2019-07-10 289 * @dram_base_addr: base address of dram monitor range 4828f462b5eb32 Shahar S Matityahu 2019-07-10 290 * @page_num: page number of memory range 4828f462b5eb32 Shahar S Matityahu 2019-07-10 291 * @fifo_hdr: fifo header of memory range 3ed34fbf9d3bfc Shahar S Matityahu 2019-07-23 292 * @fw_pkt: FW packet header of memory range 8d534e96b5000a Shahar S Matityahu 2018-12-03 293 * @data: the actual memory 8d534e96b5000a Shahar S Matityahu 2018-12-03 294 */ 8d534e96b5000a Shahar S Matityahu 2018-12-03 295 struct iwl_fw_ini_error_dump_range { 8d534e96b5000a Shahar S Matityahu 2018-12-03 296 __le32 range_data_size; 973193554cae6b Shahar S Matityahu 2019-04-08 @297 union { 973193554cae6b Shahar S Matityahu 2019-04-08 298 __le32 internal_base_addr; 973193554cae6b Shahar S Matityahu 2019-04-08 299 __le64 dram_base_addr; 973193554cae6b Shahar S Matityahu 2019-04-08 300 __le32 page_num; 973193554cae6b Shahar S Matityahu 2019-04-08 301 struct iwl_fw_ini_fifo_hdr fifo_hdr; 3ed34fbf9d3bfc Shahar S Matityahu 2019-07-23 302 struct iwl_cmd_header fw_pkt_hdr; 973193554cae6b Shahar S Matityahu 2019-04-08 303 }; 8d534e96b5000a Shahar S Matityahu 2018-12-03 304 __le32 data[]; 8d534e96b5000a Shahar S Matityahu 2018-12-03 305 } __packed; 8d534e96b5000a Shahar S Matityahu 2018-12-03 306 :::::: The code at line 297 was first introduced by commit :::::: 973193554cae6b055474964f995e36c42d195137 iwlwifi: dbg_ini: dump headers cleanup :::::: TO: Shahar S Matityahu :::::: CC: Luca Coelho -- 0-DAY CI Kernel Test Service https://01.org/lkp