CMA on AArch64

[Russell King - ARM Linux]

On Thu, Nov 21, 2013 at 12:06:00PM +0000, Catalin Marinas wrote:
> Hi Laura,
> 
> On Wed, Nov 20, 2013 at 09:41:18PM +0000, Laura Abbott wrote:
> > I noticed there is currently no CMA support for AArch64. Is this already 
> > on someone's TODO list or is this still open?
> 
> It's more like a wish list but there were other things that took
> priority. The arm64 DMA mapping code currently only supports swiotlb and
> our next plan is for IOMMU mapping. But I would like parts of the DMA
> IOMMU code under arch/arm to be made into a library (similar to the
> lib/swiotlb.c) so that other architectures can easily make use of it.

If you're referring to dmabounce.c, that's a 100% no-way-ever-even-if-
hell-freezes-over NACK.