* Laurent Pinchart <[email protected]> [110601 05:21]:
> sg_alloc_table can only allocate multi-page scatter-gather list tables
> if the architecture supports scatter-gather lists chaining. ARM doesn't
> fit in that category.
> 
> The IOMMU driver abuses the sg table structure only to hold page
> addresses without ever passing the table to the device.
> 
> Use __sg_alloc_table instead of sg_alloc_table and allocate all entries
> in one go. Otherwise trying to use a large userspace to capture video
> will hit a BUG_ON in __sg_alloc_table.

Is the "large userspace" above missing a word like buffer?

Tony
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