linux-kernel - Re: [RFC] dma-buf: Implement test module

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Date:	Thu, 12 Dec 2013 20:34:28 +0100
From:	Thomas Hellstrom <thellstrom@...are.com>
To:	Thierry Reding <thierry.reding@...il.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	linaro-mm-sig@...ts.linaro.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [RFC] dma-buf: Implement test module

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.

/Thomas
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