Hi Christoph,
Thanks you for the review.
On Mon, 8 Jun 2020, Christoph Hellwig wrote:
> Well, this isn't just RPi4, but basically any ARM or ARM64 system
> with non-coherent DMA (which is most of them).
Well... yes :-)
> > + struct page *pg;
>
> Please spell out page.
OK
> >
> > i
Well, this isn't just RPi4, but basically any ARM or ARM64 system
with non-coherent DMA (which is most of them).
> + struct page *pg;
Please spell out page.
>
> if (hwdev && hwdev->coherent_dma_mask)
> dma_mask = hwdev->coherent_dma_mask;
> @@ -346,9 +347,11 @@ xen_swio
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