Re: [PATCH 08/22] swiotlb: wire up ->dma_supported in swiotlb_dma_ops
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- To: Robin Murphy <robin.murphy@xxxxxxx>
- Subject: Re: [PATCH 08/22] swiotlb: wire up ->dma_supported in swiotlb_dma_ops
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Wed, 10 Jan 2018 16:35:17 +0100
- Cc: Christoph Hellwig <hch@xxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, Michal Simek <monstr@xxxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, Christian König <ckoenig.leichtzumerken@xxxxxxxxx>, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
- In-reply-to: <7a058876-08fc-7323-7cb3-fe85116e2ea8@arm.com>
- References: <20180110080932.14157-1-hch@lst.de> <20180110080932.14157-9-hch@lst.de> <7a058876-08fc-7323-7cb3-fe85116e2ea8@arm.com>
- User-agent: Mutt/1.5.17 (2007-11-01)
On Wed, Jan 10, 2018 at 12:16:15PM +0000, Robin Murphy wrote:
> On 10/01/18 08:09, Christoph Hellwig wrote:
>> To properly reject too small DMA masks based on the addressability of the
>> bounce buffer.
>
> I reckon this is self-evident enough that it should simply be squashed into
> the previous patch.
x86 didn't wire it up before, so I want a clear blaimpoint for this
change instead of mixing it up.
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