Hi Michał, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/for-linus] [also build test WARNING on drm-xe/drm-xe-next drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.11 next-20240920] [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/Micha-Winiarski/PCI-Add-support-for-VF-Resizable-Bar-extended-cap/20240920-064112 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git for-linus patch link: https://lore.kernel.org/r/20240919223557.1897608-3-michal.winiarski%40intel.com patch subject: [PATCH v2 2/3] PCI: Allow extending VF BAR within original resource boundary config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20240920/202409201934.yM9hVUai-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240920/202409201934.yM9hVUai-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/202409201934.yM9hVUai-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from arch/arm/mm/iomap.c:9: >> include/linux/pci.h:2421:3: warning: void function 'pci_iov_resource_extend' should not return a value [-Wreturn-mismatch] 2421 | { return -ENODEV; } | ^ ~~~~~~~ In file included from arch/arm/mm/iomap.c:9: In file included from include/linux/pci.h:2672: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ 2 warnings generated. vim +/pci_iov_resource_extend +2421 include/linux/pci.h 2397 2398 static inline int pci_iov_sysfs_link(struct pci_dev *dev, 2399 struct pci_dev *virtfn, int id) 2400 { 2401 return -ENODEV; 2402 } 2403 static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id) 2404 { 2405 return -ENOSYS; 2406 } 2407 static inline void pci_iov_remove_virtfn(struct pci_dev *dev, 2408 int id) { } 2409 static inline void pci_disable_sriov(struct pci_dev *dev) { } 2410 static inline int pci_num_vf(struct pci_dev *dev) { return 0; } 2411 static inline int pci_vfs_assigned(struct pci_dev *dev) 2412 { return 0; } 2413 static inline int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs) 2414 { return 0; } 2415 static inline int pci_sriov_get_totalvfs(struct pci_dev *dev) 2416 { return 0; } 2417 #define pci_sriov_configure_simple NULL 2418 static inline resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno) 2419 { return 0; } 2420 static inline void pci_iov_resource_extend(struct pci_dev *dev, int resno, bool enable) > 2421 { return -ENODEV; } 2422 static inline void pci_vf_drivers_autoprobe(struct pci_dev *dev, bool probe) { } 2423 #endif 2424 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
