Re: [PATCHv6 0/5] DMA Atomic pool for arm64
From: Will Deacon
Date: Mon Aug 11 2014 - 05:31:12 EST
On Fri, Aug 08, 2014 at 09:30:48PM +0100, Laura Abbott wrote:
> This is v6 of the series to add an atomic pool for arm64 and refactor some of
> the arm dma_atomic code as well.
> Russell, assuming you have no issues I'd like to get your Acked-by before
> Catalin picks this up. As always, testing and reviews are appreiciated.
> v6: Tweaked the commit text to clarify that arm is moving from
> ioremap_page_range to map_vm_area and friends
> v5: v4: Addressed comments from Thierry and Catalin. Updated map_vm_area call in
> dma_common_pages_remap since the API changed.
> v4: Simplified the logic in gen_pool_first_fit_order_align which makes the
> data argument actually unused.
> v3: Now a patch series due to refactoring of arm code. arm and arm64 now both
> use genalloc for atomic pool management. genalloc extensions added.
> DMA remapping code factored out as well.
> v2: Various bug fixes pointed out by David and Ritesh (CMA dependency, swapping
> coherent, noncoherent). I'm still not sure how to address the devicetree
> suggestion by Will . I added the devicetree mailing list this time around
> to get more input on this.
>  http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/249180.html
>  http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/249528.html
FWIW: I don't think the device-tree comments need to block this series. I
was just curious as to why they weren't being used.
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