On Sun, Mar 29, 2020 at 02:09:30AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/edr > head: 3a4c9f97543f0dbf580dd3646164e829ba08e600 > commit: d9dbf5828770b236fcae3cc866d844fe360174d0 [4/10] PCI/ERR: Remove service dependency in pcie_do_recovery() > config: x86_64-defconfig (attached as .config) > compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 0fca766458da04bbc6d33b3f9ecd57e615c556c1) > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout d9dbf5828770b236fcae3cc866d844fe360174d0 > # save the attached .config to linux build tree > COMPILER=clang make.cross ARCH=x86_64 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > >> drivers/pci/pcie/err.c:168:28: error: use of undeclared identifier 'service' > status = reset_link(dev, service); My merge error, sorry. This is on a test branch (pci/edr), not in my -next branch yet. > ^ > 1 error generated. > > vim +/service +168 drivers/pci/pcie/err.c > > 2e28bc84cf6eec Oza Pawandeep 2018-05-17 148 > d9dbf5828770b2 Kuppuswamy Sathyanarayanan 2020-03-23 149 void pcie_do_recovery(struct pci_dev *dev, > d9dbf5828770b2 Kuppuswamy Sathyanarayanan 2020-03-23 150 enum pci_channel_state state, > d9dbf5828770b2 Kuppuswamy Sathyanarayanan 2020-03-23 151 pci_ers_result_t (*reset_link)(struct pci_dev *pdev)) > 2e28bc84cf6eec Oza Pawandeep 2018-05-17 152 { > 542aeb9c8f930e Keith Busch 2018-09-20 153 pci_ers_result_t status = PCI_ERS_RESULT_CAN_RECOVER; > 542aeb9c8f930e Keith Busch 2018-09-20 154 struct pci_bus *bus; > 2e28bc84cf6eec Oza Pawandeep 2018-05-17 155 > bfcb79fca19d26 Keith Busch 2018-09-20 156 /* > bfcb79fca19d26 Keith Busch 2018-09-20 157 * Error recovery runs on all subordinates of the first downstream port. > bfcb79fca19d26 Keith Busch 2018-09-20 158 * If the downstream port detected the error, it is cleared at the end. > bfcb79fca19d26 Keith Busch 2018-09-20 159 */ > bfcb79fca19d26 Keith Busch 2018-09-20 160 if (!(pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT || > bfcb79fca19d26 Keith Busch 2018-09-20 161 pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM)) > bfcb79fca19d26 Keith Busch 2018-09-20 162 dev = dev->bus->self; > 542aeb9c8f930e Keith Busch 2018-09-20 163 bus = dev->subordinate; > bfcb79fca19d26 Keith Busch 2018-09-20 164 > 542aeb9c8f930e Keith Busch 2018-09-20 165 pci_dbg(dev, "broadcast error_detected message\n"); > b5dfbeacf74865 Kuppuswamy Sathyanarayanan 2020-03-27 166 if (state == pci_channel_io_frozen) { > 542aeb9c8f930e Keith Busch 2018-09-20 167 pci_walk_bus(bus, report_frozen_detected, &status); > 6d2c89441571ea Kuppuswamy Sathyanarayanan 2020-03-23 @168 status = reset_link(dev, service); > > :::::: The code at line 168 was first introduced by commit > :::::: 6d2c89441571ea534d6240f7724f518936c44f8d PCI/ERR: Update error status after reset_link() > > :::::: TO: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx> > :::::: CC: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx