tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/pm head: d17ff4ab7daac4bf26d59a4de3ca22f42492425b commit: 6d133f6f1934493a0dc0504fa115e5140d010522 [4/7] PCI/PM: Run resume fixups before disabling wakeup events config: x86_64-randconfig-s0-201941 (attached as .config) compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 reproduce: git checkout 6d133f6f1934493a0dc0504fa115e5140d010522 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/pci/pci-driver.c: In function 'pci_pm_runtime_resume': pci_pm_default_resume(pci_dev); ^ Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64 Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64 Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD Cyclomatic Complexity 1 include/linux/list.h:__list_del Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_read Cyclomatic Complexity 2 arch/x86/include/asm/atomic.h:arch_atomic_try_cmpxchg Cyclomatic Complexity 1 include/linux/cpumask.h:cpumask_next_and Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock Cyclomatic Complexity 1 include/linux/nodemask.h:node_state Cyclomatic Complexity 1 include/linux/workqueue.h:work_on_cpu Cyclomatic Complexity 1 include/linux/kobject.h:kobject_name Cyclomatic Complexity 2 include/linux/device.h:dev_name Cyclomatic Complexity 1 include/linux/device.h:dev_to_node Cyclomatic Complexity 3 include/linux/slab.h:kmalloc_type Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 4 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/slab.h:kzalloc Cyclomatic Complexity 1 include/linux/pci.h:pci_name Cyclomatic Complexity 1 include/linux/pci.h:pci_num_vf Cyclomatic Complexity 1 include/linux/dma-debug.h:dma_debug_add_bus Cyclomatic Complexity 1 include/linux/cpu.h:cpu_hotplug_disable Cyclomatic Complexity 1 include/linux/cpu.h:cpu_hotplug_enable Cyclomatic Complexity 10 drivers/pci/pci.h:pci_match_one_device Cyclomatic Complexity 1 drivers/pci/pci.h:pci_iov_remove Cyclomatic Complexity 6 drivers/pci/pci-driver.c:pci_match_id Cyclomatic Complexity 1 drivers/pci/pci-driver.c:pci_physfn_is_probed Cyclomatic Complexity 1 drivers/pci/pci-driver.c:pci_device_can_probe Cyclomatic Complexity 5 drivers/pci/pci-driver.c:pci_pm_runtime_idle Cyclomatic Complexity 4 drivers/pci/pci-driver.c:pci_dev_driver Cyclomatic Complexity 1 drivers/pci/pci-driver.c:pci_bus_num_vf Cyclomatic Complexity 69 include/asm-generic/getorder.h:get_order Cyclomatic Complexity 2 include/linux/list.h:__list_add Cyclomatic Complexity 1 include/linux/list.h:list_add_tail Cyclomatic Complexity 2 drivers/pci/pci-driver.c:pci_add_dynid Cyclomatic Complexity 1 drivers/pci/pci-driver.c:__pci_register_driver Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry Cyclomatic Complexity 1 include/linux/list.h:list_del Cyclomatic Complexity 2 drivers/pci/pci-driver.c:pci_free_dynids Cyclomatic Complexity 1 drivers/pci/pci-driver.c:pci_unregister_driver Cyclomatic Complexity 2 drivers/pci/pci-driver.c:pci_dev_get Cyclomatic Complexity 2 drivers/pci/pci-driver.c:pci_dev_put Cyclomatic Complexity 3 drivers/pci/pci-driver.c:pci_restore_standard_config Cyclomatic Complexity 5 drivers/pci/pci-driver.c:pci_pm_runtime_resume Cyclomatic Complexity 16 drivers/pci/pci-driver.c:pci_pm_runtime_suspend Cyclomatic Complexity 1 include/linux/acpi.h:has_acpi_companion Cyclomatic Complexity 5 drivers/pci/pci-driver.c:pci_dma_configure Cyclomatic Complexity 1 include/linux/pm_runtime.h:pm_runtime_resume Cyclomatic Complexity 3 drivers/pci/pci-driver.c:pci_device_shutdown Cyclomatic Complexity 1 include/linux/pm_runtime.h:pm_runtime_get_sync Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_read Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_try_cmpxchg Cyclomatic Complexity 3 include/linux/atomic-fallback.h:atomic_fetch_add_unless Cyclomatic Complexity 1 include/linux/atomic-fallback.h:atomic_add_unless Cyclomatic Complexity 1 include/linux/pm_runtime.h:pm_runtime_put_noidle Cyclomatic Complexity 1 include/linux/pm_runtime.h:pm_runtime_put_sync Cyclomatic Complexity 8 drivers/pci/pci-driver.c:pci_match_device Cyclomatic Complexity 3 drivers/pci/pci-driver.c:pci_bus_match Cyclomatic Complexity 3 drivers/pci/pci-driver.c:local_pci_probe Cyclomatic Complexity 5 drivers/pci/pci-driver.c:pci_call_probe Cyclomatic Complexity 4 drivers/pci/pci-driver.c:__pci_device_probe Cyclomatic Complexity 7 drivers/pci/pci-driver.c:pci_uevent Cyclomatic Complexity 10 drivers/pci/pci-driver.c:remove_id_store Cyclomatic Complexity 13 drivers/pci/pci-driver.c:new_id_store Cyclomatic Complexity 2 drivers/pci/pci-driver.c:pci_driver_init Cyclomatic Complexity 1 drivers/pci/pci-driver.c:pcibios_alloc_irq Cyclomatic Complexity 1 drivers/pci/pci-driver.c:pcibios_free_irq Cyclomatic Complexity 4 drivers/pci/pci-driver.c:pci_device_remove Cyclomatic Complexity 4 drivers/pci/pci-driver.c:pci_device_probe Cyclomatic Complexity 1 drivers/pci/pci-driver.c:_GLOBAL__sub_I_65535_0_pci_add_dynid cc1: some warnings being treated as errors vim +/pci_pm_default_resume +1348 drivers/pci/pci-driver.c 1330 1331 static int pci_pm_runtime_resume(struct device *dev) 1332 { 1333 int rc = 0; 1334 struct pci_dev *pci_dev = to_pci_dev(dev); 1335 const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; 1336 1337 /* 1338 * Restoring config space is necessary even if the device is not bound 1339 * to a driver because although we left it in D0, it may have gone to 1340 * D3cold when the bridge above it runtime suspended. 1341 */ 1342 pci_restore_standard_config(pci_dev); 1343 1344 if (!pci_dev->driver) 1345 return 0; 1346 1347 pci_fixup_device(pci_fixup_resume_early, pci_dev); 1349 1350 if (pm && pm->runtime_resume) 1351 rc = pm->runtime_resume(dev); 1352 1353 pci_dev->runtime_d3cold = false; 1354 1355 return rc; 1356 } 1357 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation