Re: remove the ->mapping_error method from dma_map_ops V3
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- To: Christoph Hellwig <hch@xxxxxx>
- Subject: Re: remove the ->mapping_error method from dma_map_ops V3
- From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 30 Nov 2018 11:43:18 -0800
- Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, jdmason@xxxxxxxx, joro@xxxxxxxxxx, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, robin.murphy@xxxxxxx, "the arch/x86 maintainers" <x86@xxxxxxxxxx>, linux-alpha@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, Linux List Kernel Mailing <linux-kernel@xxxxxxxxxxxxxxx>
- In-reply-to: <20181130132231.16512-1-hch@lst.de>
- References: <20181130132231.16512-1-hch@lst.de>
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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