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

From: Christoph Hellwig
Date: Tue Feb 21 2023 - 12:58:29 EST


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?