tree: https://github.com/frank-w/BPI-R2-4.14 5.10-main head: e2d611389c10351ed2caab346dca9f8f2cb9af60 commit: aae45a226341c84a12b431abb7904bb39cac53c2 [6/34] pci: fix MSI issue part 2 config: x86_64-randconfig-c022-20210519 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/frank-w/BPI-R2-4.14/commit/aae45a226341c84a12b431abb79... git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14 git fetch --no-tags frank-w-bpi-r2-4.14 5.10-main git checkout aae45a226341c84a12b431abb7904bb39cac53c2 # 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 >>): drivers/pci/probe.c: In function 'pci_register_host_bridge': 929 | (bridge->msi_domain && !bus->dev.msi_domain)) | ^~~~~~~~~~ | pm_domain vim +929 drivers/pci/probe.c 903 904 b = pci_find_bus(pci_domain_nr(bus), bridge->busnr); 905 if (b) { 906 /* Ignore it if we already got here via a different bridge */ 907 dev_dbg(&b->dev, "bus already known\n"); 908 err = -EEXIST; 909 goto free; 910 } 911 912 dev_set_name(&bridge->dev, "pci%04x:%02x", pci_domain_nr(bus), 913 bridge->busnr); 914 915 err = pcibios_root_bridge_prepare(bridge); 916 if (err) 917 goto free; 918 919 err = device_add(&bridge->dev); 920 if (err) { 921 put_device(&bridge->dev); 922 goto free; 923 } 924 bus->bridge = get_device(&bridge->dev); 925 device_enable_async_suspend(bus->bridge); 926 pci_set_bus_of_node(bus); 927 pci_set_bus_msi_domain(bus); 928 if (bridge->no_msi || 930 bus->bus_flags |= PCI_BUS_FLAGS_NO_MSI; 931 932 if (!parent) 933 set_dev_node(bus->bridge, pcibus_to_node(bus)); 934 935 bus->dev.class = &pcibus_class; 936 bus->dev.parent = bus->bridge; 937 938 dev_set_name(&bus->dev, "%04x:%02x", pci_domain_nr(bus), bus->number); 939 name = dev_name(&bus->dev); 940 941 err = device_register(&bus->dev); 942 if (err) 943 goto unregister; 944 945 pcibios_add_bus(bus); 946 947 if (bus->ops->add_bus) { 948 err = bus->ops->add_bus(bus); 949 if (WARN_ON(err < 0)) 950 dev_err(&bus->dev, "failed to add bus: %d\n", err); 951 } 952 953 /* Create legacy_io and legacy_mem files for this bus */ 954 pci_create_legacy_files(bus); 955 956 if (parent) 957 dev_info(parent, "PCI host bridge to bus %s\n", name); 958 else 959 pr_info("PCI host bridge to bus %s\n", name); 960 961 if (nr_node_ids > 1 && pcibus_to_node(bus) == NUMA_NO_NODE) 962 dev_warn(&bus->dev, "Unknown NUMA node; performance will be reduced\n"); 963 964 /* Add initial resources to the bus */ 965 resource_list_for_each_entry_safe(window, n, &resources) { 966 list_move_tail(&window->node, &bridge->windows); 967 offset = window->offset; 968 res = window->res; 969 970 if (res->flags & IORESOURCE_BUS) 971 pci_bus_insert_busn_res(bus, bus->number, res->end); 972 else 973 pci_bus_add_resource(bus, res, 0); 974 975 if (offset) { 976 if (resource_type(res) == IORESOURCE_IO) 977 fmt = " (bus address [%#06llx-%#06llx])"; 978 else 979 fmt = " (bus address [%#010llx-%#010llx])"; 980 981 snprintf(addr, sizeof(addr), fmt, 982 (unsigned long long)(res->start - offset), 983 (unsigned long long)(res->end - offset)); 984 } else 985 addr[0] = '\0'; 986 987 dev_info(&bus->dev, "root bus resource %pR%s\n", res, addr); 988 } 989 990 down_write(&pci_bus_sem); 991 list_add_tail(&bus->node, &pci_root_buses); 992 up_write(&pci_bus_sem); 993 994 return 0; 995 996 unregister: 997 put_device(&bridge->dev); 998 device_del(&bridge->dev); 999 1000 free: 1001 kfree(bus); 1002 return err; 1003 } 1004 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org