Hi Long, [auto build test WARNING on pci/next] [also build test WARNING on v4.11-rc3 next-20170324] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Long-Li/pci-hyperv-properly-handle-pci-bus-remove/20170326-180444 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: x86_64-randconfig-x016-201713 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/pci/host/pci-hyperv.c: In function 'pci_devices_present_work': >> drivers/pci/host/pci-hyperv.c:1508:2: warning: enumeration value 'hv_pcibus_removed' not handled in switch [-Wswitch] switch(hbus->state) { ^~~~~~ >> drivers/pci/host/pci-hyperv.c:1508:2: warning: enumeration value 'hv_pcibus_maximum' not handled in switch [-Wswitch] vim +/hv_pcibus_removed +1508 drivers/pci/host/pci-hyperv.c 1492 put_pcichild(hpdev, hv_pcidev_ref_childlist); 1493 list_move_tail(&hpdev->list_entry, &removed); 1494 break; 1495 } 1496 } 1497 } while (found); 1498 spin_unlock_irqrestore(&hbus->device_list_lock, flags); 1499 1500 /* Delete everything that should no longer exist. */ 1501 while (!list_empty(&removed)) { 1502 hpdev = list_first_entry(&removed, struct hv_pci_dev, 1503 list_entry); 1504 list_del(&hpdev->list_entry); 1505 put_pcichild(hpdev, hv_pcidev_ref_initial); 1506 } 1507 > 1508 switch(hbus->state) { 1509 case hv_pcibus_installed: 1510 /* 1511 * Tell the core to rescan bus 1512 * because there may have been changes. 1513 */ 1514 pci_lock_rescan_remove(); 1515 pci_scan_child_bus(hbus->pci_bus); 1516 pci_unlock_rescan_remove(); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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