Re: [Xen-devel] remove the ->mapping_error method from dma_map_ops V3

[Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>]

On Fri, Nov 30, 2018 at 5:23 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> Error reporting for the dma_map_single and dma_map_page operations is
> currently a mess. [..]

I don't see anything objectionable there, but it's not like I checked
any of the context of the patches. For all I know there are odd corner
cases where some zero vs DMA_MAPPING_ERROR confusion lurks, but I
guess we'll find out..

So you can add my acked-by, fwiw.

                Linus

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