[Linaro-mm-sig] [RFC] dma-shared-buf: Add buffer sharing framework

Jordan Crouse jcrouse at codeaurora.org
Tue Sep 13 15:46:53 UTC 2011


On 09/11/2011 09:32 AM, Clark, Rob wrote:
> If the GPU is the one importing the dmabuf, it just calls
> put_scatterlist() once it gets some interrupt from the GPU.  If the
> GPU is the one exporting the dmabuf, then get_scatterlist() just
> blocks until the GPU gets the interrupt from the GPU.  (Well, I guess
> then do you need get_scatterlist_interruptable()?)

Yes.  And get_scatterlist_interruptible_timeout() too :)

Jordan



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