On Tue, Jul 31, 2012 at 7:11 AM, Hans Verkuil <hverk...@xs4all.nl> wrote: >> > For that matter, wouldn't it be useful to support exporting a userptr >> > buffer >> > at some point in the future? >> >> Shouldn't USERPTR usage be discouraged once we get dma-buf support ? > > Why? It's perfectly fine to use it and it's not going away. > > I'm not saying that we should support exporting a userptr buffer as a dmabuf > fd, > but I'm just wondering if that is possible at all and how difficult it would > be.
it seems not terribly safe, since you don't really have much control over where the memory comes from w/ userptr. I'm more in favor of discouraging usage of userptr BR, -R -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
