Hi all, this series tries to clean up the swiotlb initialization, including that of swiotlb-xen. To get there is also removes the x86 iommu table infrastructure that massively obsfucates the initialization path. Git tree: git://git.infradead.org/users/hch/misc.git swiotlb-init-cleanup Gitweb: http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/swiotlb-init-cleanup Changes since v3: - fix a compilation issue on some powerpc configfs - fix and cleanup how forced bounce buffering is enabled for guest memory encryption Changes since v2: - make ppc_swiotlb_flags actually work again - also force enable swiotlb for guest encrypted memory to cater to hyperv which doesn't set the host encrypted memory flag Changes since v1: - skip IOMMU initialization on Xen PV kernels - various small whitespace / typo fixes Diffstat: