Re: [PATCH 07/10] crypto: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN

Christoph Hellwig
2022-04-21T07:20:36Z

Btw, there is another option: Most real systems already require having
swiotlb to bounce buffer in some cases. We could simply force bounce
buffering in the dma mapping code for too small or not properly aligned
transfers and just decrease the dma alignment.