Hi Oza, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.15-rc5] [cannot apply to pci/next pm/linux-next next-20171222] [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/Oza-Pawandeep/Address-error-and-recovery-for-AER-and-DPC/20171228-222058 config: x86_64-randconfig-r0-12282251 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/pci/pcie/pcie-err.o: In function `pci_reset_link': >> drivers/pci/pcie/pcie-err.c:195: undefined reference to `pci_find_dpc_service' vim +195 drivers/pci/pcie/pcie-err.c 178 179 pci_ers_result_t pci_reset_link(struct pci_dev *dev, int severity) 180 { 181 struct pci_dev *udev; 182 pci_ers_result_t status; 183 struct pcie_port_service_driver *driver; 184 185 if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { 186 /* Reset this port for all subordinates */ 187 udev = dev; 188 } else { 189 /* Reset the upstream component (likely downstream port) */ 190 udev = dev->bus->self; 191 } 192 193 /* Use the aer driver of the component firstly */ 194 if (severity == PCI_ERR_DPC_FATAL) > 195 driver = pci_find_dpc_service(udev); 196 else 197 driver = pci_find_aer_service(udev); 198 199 if (driver && driver->reset_link) { 200 status = driver->reset_link(udev); 201 } else if (udev->has_secondary_link) { 202 status = pci_default_reset_link(udev); 203 } else { 204 dev_printk(KERN_DEBUG, &dev->dev, 205 "no link-reset support at upstream device %s\n", 206 pci_name(udev)); 207 return PCI_ERS_RESULT_DISCONNECT; 208 } 209 210 if (status != PCI_ERS_RESULT_RECOVERED) { 211 dev_printk(KERN_DEBUG, &dev->dev, 212 "link reset at upstream device %s failed\n", 213 pci_name(udev)); 214 return PCI_ERS_RESULT_DISCONNECT; 215 } 216 217 return status; 218 } 219 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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