tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 7c4f40424f0923db0caccb86fb5f3e445939f4d8 commit: 5e3d879b39d714a6a59d385a3f129fece48511a9 [29758/30000] BACKPORT: dma-direct: exclude dma_direct_map_resource from the min_low_pfn check config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 5e3d879b39d714a6a59d385a3f129fece48511a9 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kernel/ arch/x86/pci/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the chrome-os/chromeos-5.4 HEAD 7c4f40424f0923db0caccb86fb5f3e445939f4d8 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): In file included from arch/x86/kernel/pci-dma.c:2: 58 | static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size, | ^~~~~~~~~~~ In file included from include/linux/dma-direct.h:16, from arch/x86/kernel/pci-dma.c:2: arch/x86/include/asm/dma-direct.h:5:6: note: previous declaration of 'dma_capable' was here 5 | bool dma_capable(struct device *dev, dma_addr_t addr, size_t size); | ^~~~~~~~~~~ -- In file included from arch/x86/pci/sta2x11-fixup.c:14: 58 | static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size, | ^~~~~~~~~~~ In file included from include/linux/dma-direct.h:16, from arch/x86/pci/sta2x11-fixup.c:14: arch/x86/include/asm/dma-direct.h:5:6: note: previous declaration of 'dma_capable' was here 5 | bool dma_capable(struct device *dev, dma_addr_t addr, size_t size); | ^~~~~~~~~~~ arch/x86/pci/sta2x11-fixup.c:107:26: warning: no previous prototype for 'sta2x11_get_instance' [-Wmissing-prototypes] 107 | struct sta2x11_instance *sta2x11_get_instance(struct pci_dev *pdev) | ^~~~~~~~~~~~~~~~~~~~ 171 | bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) | ^~~~~~~~~~~ In file included from arch/x86/pci/sta2x11-fixup.c:14: include/linux/dma-direct.h:58:20: note: previous definition of 'dma_capable' was here 58 | static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size, | ^~~~~~~~~~~ vim +/dma_capable +58 include/linux/dma-direct.h 57 59 bool is_ram) 60 { 61 dma_addr_t end = addr + size - 1; 62 63 if (!dev->dma_mask) 64 return false; 65 66 if (is_ram && !IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) && 67 min(addr, end) < phys_to_dma(dev, PFN_PHYS(min_low_pfn))) 68 return false; 69 70 return end <= min_not_zero(*dev->dma_mask, dev->bus_dma_mask); 71 } 72 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org