31 Jul
2012
31 Jul
'12
12:46 p.m.
On Tue, Jul 31, 2012 at 7:11 AM, Hans Verkuil hverkuil@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