On Wed, Dec 19, 2018 at 05:18:35PM +0900, Tomasz Figa wrote: > The existing code that deals with dma_alloc_attrs() without > DMA_ATTR_NON_CONSISTENT would just call dma_get_sgtable_attrs() like > here:
I know. And dma_get_sgtable_attrs is fundamentally flawed and we need to kill this interface as it just can't worked with virtually tagged cases. It is a prime example for an interface that looks nice and simple but is plain wrong.
