Hi Nikita, [auto build test ERROR on linus/master] [also build test ERROR on v4.10-rc3 next-20170112] [cannot apply to arm64/for-next/core] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Nikita-Yushchenko/dma-mapping-let-arch-know-origin-of-dma-range-passed-to-arch_setup_dma_ops/20170113-152733 config: x86_64-randconfig-u0-01131618 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/acpi/scan.c: In function 'acpi_dma_configure': >> drivers/acpi/scan.c:1388:2: error: too many arguments to function 'arch_setup_dma_ops' arch_setup_dma_ops(dev, 0, dev->coherent_dma_mask + 1, false, iommu, ^~~~~~~~~~~~~~~~~~ In file included from drivers/acpi/scan.c:15:0: include/linux/dma-mapping.h:611:20: note: declared here static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, ^~~~~~~~~~~~~~~~~~ vim +/arch_setup_dma_ops +1388 drivers/acpi/scan.c 1382 iommu = iort_iommu_configure(dev); 1383 1384 /* 1385 * Assume dma valid range starts at 0 and covers the whole 1386 * coherent_dma_mask. 1387 */ > 1388 arch_setup_dma_ops(dev, 0, dev->coherent_dma_mask + 1, false, iommu, 1389 attr == DEV_DMA_COHERENT); 1390 } 1391 EXPORT_SYMBOL_GPL(acpi_dma_configure); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation