IOMMU Fixes for Linux v4.11-rc3 A few fixes piled up: * Fix a NULL-ptr dereference that happens in VT-d on some platforms * A fix for ARM MSI region reporting, so that a sane interface makes it to a released kernel * Fixes for leaf-checking in ARM io-page-table code * Two fixes for IO/TLB flushing code on ARM Exynos platforms