On Tue, Jun 16, 2026 at 06:04:03AM +0000, Kasireddy, Vivek wrote: > > This is helpful for importers like net/core/devmem that expect dmabuf sg > IMO, udmabuf needs to detect whether importers can handle segments that > are > PAGE_SIZE and set the entries appropriately. Please look into how the > GPU drivers and other dmabuf exporters/importers handle this situation, so > that we can adopt best practices to address this issue.
Importers have to handle arbitary scatterlists, devmem is just broken if it can't handle the output of sg_alloc_table_from_pages(). Jason
