On Mon, Jan 21, 2019 at 12:20:42PM -0800, Liam Mark wrote: > I have left this to clients, but if they own the buffer they can have the > knowledge as to whether CPU access is needed in that use case (example for > post-processing). That is an API design which the user is more likely to get wrong than right and thus does not pass the smell test. _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel