Hi Arvind, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on efi/next] [also build test WARNING on next-20200429] [cannot apply to v5.7-rc3] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Arvind-Sankar/efi-some-cleanups-refactoring-for-efi-next/20200430-051025 base: https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next config: i386-defconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All warnings (new ones prefixed by >>): drivers/firmware/efi/libstub/x86-stub.c: In function 'efi_pe_entry': >> drivers/firmware/efi/libstub/x86-stub.c:411:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] efi_set_u64_split((u64)cmdline_ptr, ^ drivers/firmware/efi/libstub/x86-stub.c: In function 'exit_boot_func': drivers/firmware/efi/libstub/x86-stub.c:641:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] efi_set_u64_split((u64)efi_system_table, ^ drivers/firmware/efi/libstub/x86-stub.c:645:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] efi_set_u64_split((u64)*map->map, ^ vim +411 drivers/firmware/efi/libstub/x86-stub.c 343 344 void __noreturn efi_stub_entry(efi_handle_t handle, 345 efi_system_table_t *sys_table_arg, 346 struct boot_params *boot_params); 347 348 /* 349 * Because the x86 boot code expects to be passed a boot_params we 350 * need to create one ourselves (usually the bootloader would create 351 * one for us). 352 */ 353 efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, 354 efi_system_table_t *sys_table_arg) 355 { 356 struct boot_params *boot_params; 357 struct setup_header *hdr; 358 efi_loaded_image_t *image; 359 void *image_base; 360 efi_guid_t proto = LOADED_IMAGE_PROTOCOL_GUID; 361 int options_size = 0; 362 efi_status_t status; 363 char *cmdline_ptr; 364 unsigned long ramdisk_addr; 365 unsigned long ramdisk_size; 366 367 efi_system_table = sys_table_arg; 368 369 /* Check if we were booted by the EFI firmware */ 370 if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) 371 efi_exit(handle, EFI_INVALID_PARAMETER); 372 373 status = efi_bs_call(handle_protocol, handle, &proto, (void **)&image); 374 if (status != EFI_SUCCESS) { 375 efi_printk("Failed to get handle for LOADED_IMAGE_PROTOCOL\n"); 376 efi_exit(handle, status); 377 } 378 379 image_base = efi_table_attr(image, image_base); 380 image_offset = (void *)startup_32 - image_base; 381 382 status = efi_allocate_pages(sizeof(struct boot_params), 383 (unsigned long *)&boot_params, ULONG_MAX); 384 if (status != EFI_SUCCESS) { 385 efi_printk("Failed to allocate lowmem for boot params\n"); 386 efi_exit(handle, status); 387 } 388 389 memset(boot_params, 0x0, sizeof(struct boot_params)); 390 391 hdr = &boot_params->hdr; 392 393 /* Copy the second sector to boot_params */ 394 memcpy(&hdr->jump, image_base + 512, 512); 395 396 /* 397 * Fill out some of the header fields ourselves because the 398 * EFI firmware loader doesn't load the first sector. 399 */ 400 hdr->root_flags = 1; 401 hdr->vid_mode = 0xffff; 402 hdr->boot_flag = 0xAA55; 403 404 hdr->type_of_loader = 0x21; 405 406 /* Convert unicode cmdline to ascii */ 407 cmdline_ptr = efi_convert_cmdline(image, &options_size, ULONG_MAX); 408 if (!cmdline_ptr) 409 goto fail; 410 > 411 efi_set_u64_split((u64)cmdline_ptr, 412 &hdr->cmd_line_ptr, &boot_params->ext_cmd_line_ptr); 413 414 hdr->ramdisk_image = 0; 415 hdr->ramdisk_size = 0; 416 417 if (efi_is_native()) { 418 status = efi_parse_options(cmdline_ptr); 419 if (status != EFI_SUCCESS) 420 goto fail2; 421 422 if (!efi_noinitrd) { 423 status = efi_load_initrd(image, &ramdisk_addr, 424 &ramdisk_size, 425 hdr->initrd_addr_max, 426 ULONG_MAX); 427 if (status != EFI_SUCCESS) 428 goto fail2; 429 efi_set_u64_split(ramdisk_addr, &hdr->ramdisk_image, 430 &boot_params->ext_ramdisk_image); 431 efi_set_u64_split(ramdisk_size, &hdr->ramdisk_size, 432 &boot_params->ext_ramdisk_size); 433 } 434 } 435 436 efi_stub_entry(handle, sys_table_arg, boot_params); 437 /* not reached */ 438 439 fail2: 440 efi_free(options_size, (unsigned long)cmdline_ptr); 441 fail: 442 efi_free(sizeof(struct boot_params), (unsigned long)boot_params); 443 444 efi_exit(handle, status); 445 } 446 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org