Re: [PATCH 21/33] dma-mapping: add an arch_dma_supported hook

On Wed, Jan 10, 2018 at 09:00:15AM +0100, Christoph Hellwig wrote: > To implement the x86 forbid_dac and iommu_sac_force we want an arch hook > so that it can apply the global options across all dma_map_ops > implementations. > > Signed-off-by: Christoph Hellwig Reviewed-by: K

Re: [PATCH 19/33] dma-mapping: warn when there is no coherent_dma_mask

f-by: Christoph Hellwig Reviewed-by: Konrad Rzeszutek Wilk > --- > include/linux/dma-mapping.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h > index d84951865be7..9f28b2fa329e 100644 > --- a/include/linux/dma