Hi LeoLiu-oc, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/for-linus] [also build test WARNING on rafael-pm/linux-next rafael-pm/bleeding-edge linus/master v6.10 next-20240718] [cannot apply to pci/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/LeoLiu-oc/ACPI-APEI-Add-hest_parse_pcie_aer/20240718-144218 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git for-linus patch link: https://lore.kernel.org/r/20240718062405.30571-2-LeoLiu-oc%40zhaoxin.com patch subject: [PATCH v3 1/3] ACPI/APEI: Add hest_parse_pcie_aer() config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240719/202407190015.eutiIYQp-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240719/202407190015.eutiIYQp-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407190015.eutiIYQp-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/acpi/apei/hest.c:157:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 157 | case ACPI_HEST_TYPE_AER_ENDPOINT: | ^ drivers/acpi/apei/hest.c:157:2: note: insert '__attribute__((fallthrough));' to silence this warning 157 | case ACPI_HEST_TYPE_AER_ENDPOINT: | ^ | __attribute__((fallthrough)); drivers/acpi/apei/hest.c:157:2: note: insert 'break;' to avoid fall-through 157 | case ACPI_HEST_TYPE_AER_ENDPOINT: | ^ | break; drivers/acpi/apei/hest.c:160:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 160 | case ACPI_HEST_TYPE_AER_BRIDGE: | ^ drivers/acpi/apei/hest.c:160:2: note: insert '__attribute__((fallthrough));' to silence this warning 160 | case ACPI_HEST_TYPE_AER_BRIDGE: | ^ | __attribute__((fallthrough)); drivers/acpi/apei/hest.c:160:2: note: insert 'break;' to avoid fall-through 160 | case ACPI_HEST_TYPE_AER_BRIDGE: | ^ | break; drivers/acpi/apei/hest.c:163:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 163 | default: | ^ drivers/acpi/apei/hest.c:163:2: note: insert '__attribute__((fallthrough));' to silence this warning 163 | default: | ^ | __attribute__((fallthrough)); drivers/acpi/apei/hest.c:163:2: note: insert 'break;' to avoid fall-through 163 | default: | ^ | break; 3 warnings generated. vim +157 drivers/acpi/apei/hest.c 144 145 static bool hest_source_is_pcie_aer(struct acpi_hest_header *hest_hdr, struct pci_dev *dev) 146 { 147 u16 hest_type = hest_hdr->type; 148 u8 pcie_type = pci_pcie_type(dev); 149 struct acpi_hest_aer_common *common; 150 151 common = (struct acpi_hest_aer_common *)(hest_hdr + 1); 152 153 switch (hest_type) { 154 case ACPI_HEST_TYPE_AER_ROOT_PORT: 155 if (pcie_type != PCI_EXP_TYPE_ROOT_PORT) 156 return false; > 157 case ACPI_HEST_TYPE_AER_ENDPOINT: 158 if (pcie_type != PCI_EXP_TYPE_ENDPOINT) 159 return false; 160 case ACPI_HEST_TYPE_AER_BRIDGE: 161 if (pcie_type != PCI_EXP_TYPE_PCI_BRIDGE && pcie_type != PCI_EXP_TYPE_PCIE_BRIDGE) 162 return false; 163 default: 164 return false; 165 } 166 167 if (common->flags & ACPI_HEST_GLOBAL) 168 return true; 169 170 if (hest_match_pci_devfn(common, dev)) 171 return true; 172 173 return false; 174 } 175 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
