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SubjectRe: [PATCH 4/7] dma-mapping: Always provide dma_default_coherent
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> 2023年2月21日 17:58,Christoph Hellwig <hch@lst.de> 写道:
>
> 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?

I just want to make this symbol always available so OF code can reference it on all arches.
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