tree: https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending head: bb12557751a16ec04d801b01492257f720e4718e commit: 52fd3e3473c7cd37c07071116b7d203f277d3394 [1/5] ACPI: Store pre-mapped registers in APEI entries config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 9d4cf5bd421fb6467ff5f00e26a37527246dd4d6) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 52fd3e3473c7cd37c07071116b7d203f277d3394 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>, old ones prefixed by <<): err_map: ^~~~~~~~ 1 warning generated. -- rc = -EINVAL ^ ; kfree(einj_tbl); ^~~~~~~~ einj_tab drivers/acpi/apei/einj.c:104:32: note: 'einj_tab' declared here static struct acpi_table_einj *einj_tab; ^ 2 errors generated. vim +696 drivers/acpi/apei/einj.c 668 669 static int __init einj_init(void) 670 { 671 int rc; 672 unsigned int i; 673 acpi_status status; 674 struct apei_exec_context ctx; 675 struct acpi_table_header *table; 676 677 if (acpi_disabled) { 678 pr_warn("ACPI disabled.\n"); 679 return -ENODEV; 680 } 681 682 status = acpi_get_table(ACPI_SIG_EINJ, 0, &table); 683 if (status == AE_NOT_FOUND) { 684 pr_warn("EINJ table not found.\n"); 685 return -ENODEV; 686 } 687 else if (ACPI_FAILURE(status)) { 688 pr_err("Failed to get EINJ table: %s\n", 689 acpi_format_exception(status)); 690 return -EINVAL; 691 } 692 693 rc = einj_check_table((struct acpi_table_einj *) table); 694 if (rc) { 695 pr_warn(FW_BUG "Invalid EINJ table.\n"); 697 goto err_table; 698 } 699 700 /* 701 * Create a duplicate table where the physical address resources 702 * can be replaced with virtual mappings 703 */ 704 einj_tab = kmemdup(table, table->length, GFP_KERNEL); 705 if (!einj_tab) 706 goto err_table; 707 708 rc = -ENOMEM; 709 einj_debug_dir = debugfs_create_dir("einj", apei_get_debugfs_dir()); 710 711 debugfs_create_file("available_error_type", S_IRUSR, einj_debug_dir, 712 NULL, &available_error_type_fops); 713 debugfs_create_file_unsafe("error_type", 0600, einj_debug_dir, 714 NULL, &error_type_fops); 715 debugfs_create_file_unsafe("error_inject", 0200, einj_debug_dir, 716 NULL, &error_inject_fops); 717 718 apei_resources_init(&einj_resources); 719 einj_exec_ctx_init(&ctx); 720 rc = apei_exec_collect_resources(&ctx, &einj_resources); 721 if (rc) { 722 pr_err("Error collecting EINJ resources.\n"); 723 goto err_fini; 724 } 725 726 rc = apei_resources_request(&einj_resources, "APEI EINJ"); 727 if (rc) { 728 pr_err("Error requesting memory/port resources.\n"); 729 goto err_fini; 730 } 731 732 rc = apei_exec_pre_map_gars(&ctx); 733 if (rc) { 734 pr_err("Error pre-mapping GARs.\n"); 735 goto err_release; 736 } 737 738 rc = -ENOMEM; 739 einj_param = einj_get_parameter_address(); 740 if ((param_extension || acpi5) && einj_param) { 741 debugfs_create_x32("flags", S_IRUSR | S_IWUSR, einj_debug_dir, 742 &error_flags); 743 debugfs_create_x64("param1", S_IRUSR | S_IWUSR, einj_debug_dir, 744 &error_param1); 745 debugfs_create_x64("param2", S_IRUSR | S_IWUSR, einj_debug_dir, 746 &error_param2); 747 debugfs_create_x64("param3", S_IRUSR | S_IWUSR, einj_debug_dir, 748 &error_param3); 749 debugfs_create_x64("param4", S_IRUSR | S_IWUSR, einj_debug_dir, 750 &error_param4); 751 debugfs_create_x32("notrigger", S_IRUSR | S_IWUSR, 752 einj_debug_dir, &notrigger); 753 } 754 755 if (vendor_dev[0]) { 756 vendor_blob.data = vendor_dev; 757 vendor_blob.size = strlen(vendor_dev); 758 debugfs_create_blob("vendor", S_IRUSR, einj_debug_dir, 759 &vendor_blob); 760 debugfs_create_x32("vendor_flags", S_IRUSR | S_IWUSR, 761 einj_debug_dir, &vendor_flags); 762 } 763 764 pr_info("Error INJection is initialized.\n"); 765 acpi_put_table(table); 766 767 return 0; 768 769 err_release: 770 apei_resources_release(&einj_resources); 771 err_fini: 772 apei_resources_fini(&einj_resources); 773 debugfs_remove_recursive(einj_debug_dir); 774 err_map: 776 err_table: 777 acpi_put_table(table); 778 779 return rc; 780 } 781 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org