tree: https://github.com/matwey/linux bbb-3.8-3.9 head: f24c5d4dc718b210b6a2d874187f43e63b99d162 commit: 05c2105e30f5c2d8cb486ff5fd20059b401ddbb9 [160/312] cpu-hotplug, memory-hotplug: try offlining the node when hotremoving a cpu config: i386-randconfig-a1-201804 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: git checkout 05c2105e30f5c2d8cb486ff5fd20059b401ddbb9 # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/acpi/processor_driver.c: In function 'acpi_processor_remove': >> drivers/acpi/processor_driver.c:645:2: error: implicit declaration of function 'try_offline_node' [-Werror=implicit-function-declaration] try_offline_node(cpu_to_node(pr->id)); ^ cc1: some warnings being treated as errors vim +/try_offline_node +645 drivers/acpi/processor_driver.c 613 614 static int acpi_processor_remove(struct acpi_device *device) 615 { 616 struct acpi_processor *pr = NULL; 617 618 619 if (!device || !acpi_driver_data(device)) 620 return -EINVAL; 621 622 pr = acpi_driver_data(device); 623 624 if (pr->id >= nr_cpu_ids) 625 goto free; 626 627 if (device->removal_type == ACPI_BUS_REMOVAL_EJECT) { 628 if (acpi_processor_handle_eject(pr)) 629 return -EINVAL; 630 } 631 632 acpi_processor_power_exit(pr); 633 634 sysfs_remove_link(&device->dev.kobj, "sysdev"); 635 636 if (pr->cdev) { 637 sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); 638 sysfs_remove_link(&pr->cdev->device.kobj, "device"); 639 thermal_cooling_device_unregister(pr->cdev); 640 pr->cdev = NULL; 641 } 642 643 per_cpu(processors, pr->id) = NULL; 644 per_cpu(processor_device_array, pr->id) = NULL; > 645 try_offline_node(cpu_to_node(pr->id)); 646 647 free: 648 free_cpumask_var(pr->throttling.shared_cpu_map); 649 kfree(pr); 650 651 return 0; 652 } 653 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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