[PATCH 3/3] swiotlb: Add support for CMA allocations

Laura Abbott lauraa at codeaurora.org
Thu Dec 12 19:48:27 EST 2013


On 12/10/2013 2:42 AM, Catalin Marinas wrote:
>
> For coherency, we could build it on top of whatever dma (allocation) ops
> are registered, whether swiotlb or iommu (see part of
> https://git.kernel.org/cgit/linux/kernel/git/cmarinas/linux-aarch64.git/commit/?h=devel&id=c67fe405be6b55399c9e53dfeba5e2c6b930e429)
>
> Regarding iommu, I don't think we need CMA on top, so it makes sense to
> keep the CMA in the swiotlb code.
>

Catalin, is that just sample/design code or is that patch going to be 
merged sometime?

Thanks,
Laura

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