| From: Dan Williams <dan.j.willi...@intel.com> | Sent: Monday, September 25, 2017 12:31 PM | ... | IIUC it looks like this has been broken ever since commit e1605495c716 | "intel-iommu: Introduce domain_sg_mapping() to speed up | intel_map_sg()". I.e. it looks like the calculation for pte_val should | be: | | pteval = (page_to_phys(sg_page(sg)) + sg->offset) | prot;
Hhmmm, shouldn't that be:
pteval = (page_to_phys(sg_page(sg)) + (sg->offset>>PAGE_SHIFT)) | prot;
???
Casey
