Hi Wenlin, [auto build test ERROR on pci/next -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Wenlin-Kang/pci-restrict-64-bit-pci-device-to-assign-resource-from-behind-of-max_pfn/20151015-184913 config: mips-fuloong2e_defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All errors (new ones prefixed by >>): drivers/pci/setup-res.c: In function '__pci_assign_resource': >> drivers/pci/setup-res.c:224:6: error: 'max_pfn' undeclared (first use in this function) (max_pfn + 1) << PAGE_SHIFT : PCIBIOS_MIN_MEM; ^ drivers/pci/setup-res.c:224:6: note: each undeclared identifier is reported only once for each function it appears in vim +/max_pfn +224 drivers/pci/setup-res.c 218 * For 64-bit pci device, assign resource start from the next page 219 * boundary above the maximum physical page address 220 */ 221 resource_size_t min_iomem; 222 223 min_iomem = (res->flags & IORESOURCE_MEM_64) ? > 224 (max_pfn + 1) << PAGE_SHIFT : PCIBIOS_MIN_MEM; 225 min = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : min_iomem; 226 #else 227 min = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : PCIBIOS_MIN_MEM; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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