* Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> [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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
