[RFC] dma-buf: Implement test module

[Thierry Reding]

On Thu, Dec 12, 2013 at 08:34:28PM +0100, Thomas Hellstrom wrote:
> On 12/12/2013 03:36 PM, Thierry Reding wrote:
> >This is a simple test module that can be used to allocate, export and
> >delete DMA-BUF objects. It can be used to test DMA-BUF sharing in
> >systems that lack a real second driver.
> >
> >
> 
> Looks nice. I wonder whether this could be extended to create a "streaming"
> dma-buf from a user space mapping. That could be used as a generic way to
> implement streaming (user) buffer objects, rather than to add explicit
> support for those in, for example, TTM.

I'm somewhat reluctant to beef this up needlessly to prevent it from
being used for purposes other than testing.

Thierry
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