[PATCH 4/7] dma-mapping: Always provide dma_default_coherent

Jiaxun Yang jiaxun.yang at flygoat.com
Wed Feb 22 06:56:35 AEDT 2023



> 2023年2月21日 17:58,Christoph Hellwig <hch at 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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