tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge head: 30ef794b1526be9fa11fd41725dc0032d1018956 commit: f06e8901662d5c5c80f47d1cef6207688ee42e81 [102/106] ACPI: PRM: implement OperationRegion handler for the PlatformRtMechanism subtype config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commi... git remote add pm https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git git fetch --no-tags pm bleeding-edge git checkout f06e8901662d5c5c80f47d1cef6207688ee42e81 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/acpi/prmt.c:19: include/linux/acpi.h:135:33: error: field 'prmt' has incomplete type 135 | struct acpi_prmt_module_header prmt; | ^~~~ In file included from include/linux/device.h:29, from include/linux/rtc.h:37, from include/linux/efi.h:20, from drivers/acpi/prmt.c:18: drivers/acpi/prmt.c: In function 'acpi_parse_prmt': 109 | module_info_size = struct_size(tm, handlers, module_info->handler_count); | ^~~~~~~~~~~~~ include/linux/overflow.h:325:14: note: in definition of macro 'struct_size' 325 | __ab_c_size(count, \ | ^~~~~ 112 | guid_copy(&tm->guid, (guid_t *) module_info->guid); | ^~ drivers/acpi/prmt.c:115:35: error: 'struct acpi_prmt_module_info' has no member named 'handler_count'; did you mean 'handler_info_count'? 115 | tm->handler_count = module_info->handler_count; | ^~~~~~~~~~~~~ | handler_info_count 92 | #define get_first_handler(a) ((struct acpi_prmt_handler_info *) ((char *) (a) + a->handler_offset)) | ^~~~~~~~~~~~~~ drivers/acpi/prmt.c:137:17: note: in expansion of macro 'get_first_handler' 137 | handler_info = get_first_handler(module_info); | ^~~~~~~~~~~~~~~~~ 141 | guid_copy(&th->guid, (guid_t *)handler_info->guid); | ^~ 142 | th->handler_addr = efi_pa_va_lookup(handler_info->address); | ^~ vim +109 drivers/acpi/prmt.c 90 91 93 #define get_next_handler(a) ((struct acpi_prmt_handler_info *) (sizeof(struct acpi_prmt_handler_info) + (char *) a)) 94 95 static int __init 96 acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end) 97 { 98 struct acpi_prmt_module_info *module_info; 99 struct acpi_prmt_handler_info *handler_info; 100 struct prm_handler_info *th; 101 struct prm_module_info *tm; 102 u64 mmio_count = 0; 103 u64 cur_handler = 0; 104 u32 module_info_size = 0; 105 u64 mmio_range_size = 0; 106 void *temp_mmio; 107 108 module_info = (struct acpi_prmt_module_info *) header; 110 tm = kmalloc(module_info_size, GFP_KERNEL); 111 113 tm->major_rev = module_info->major_rev; 114 tm->minor_rev = module_info->minor_rev; 115 tm->handler_count = module_info->handler_count; 116 tm->updatable = true; 117 118 if (module_info->mmio_list_pointer) { 119 /* 120 * Each module is associated with a list of addr 121 * ranges that it can use during the service 122 */ 123 mmio_count = *(u64 *) memremap(module_info->mmio_list_pointer, 8, MEMREMAP_WB); 124 mmio_range_size = struct_size(tm->mmio_info, addr_ranges, mmio_count); 125 tm->mmio_info = kmalloc(mmio_range_size, GFP_KERNEL); 126 temp_mmio = memremap(module_info->mmio_list_pointer, mmio_range_size, MEMREMAP_WB); 127 memmove(tm->mmio_info, temp_mmio, mmio_range_size); 128 } else { 129 mmio_range_size = struct_size(tm->mmio_info, addr_ranges, mmio_count); 130 tm->mmio_info = kmalloc(mmio_range_size, GFP_KERNEL); 131 tm->mmio_info->mmio_count = 0; 132 } 133 134 INIT_LIST_HEAD(&tm->module_list); 135 list_add(&tm->module_list, &prm_module_list); 136 137 handler_info = get_first_handler(module_info); 138 do { 139 th = &tm->handlers[cur_handler]; 140 143 th->static_data_buffer_addr = efi_pa_va_lookup(handler_info->static_data_buffer_address); 144 th->acpi_param_buffer_addr = efi_pa_va_lookup(handler_info->acpi_param_buffer_address); 145 } while (++cur_handler < tm->handler_count && (handler_info = get_next_handler(handler_info))); 146 147 return 0; 148 } 149 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org