On Tue, Apr 23, 2019 at 03:32:16PM +0800, Lu Baolu wrote: > When we add the bounce buffer between IOVA and physical buffer, the > bounced buffer must starts from the same offset in a page, otherwise, > IOMMU can't work here.
Why? Even with the odd hardware descriptors typical in Intel land that only allow offsets in the first page, not the following ones, having a zero offset where we previously had one should be fine. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
