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SubjectRe: [PATCH 4/7] dma-mapping: Always provide dma_default_coherent
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On 2023-02-21 17:58, Christoph Hellwig wrote:
> On Tue, Feb 21, 2023 at 12:46:10PM +0000, Jiaxun Yang wrote:
>> dma_default_coherent can be useful for determine default coherency
>> even on arches without noncoherent support.
>
> How?

Indeed, "default" is conceptually meaningless when there is no possible
alternative :/

Robin.

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