On Tue, 2019-07-09 at 07:20 -0700, Christoph Hellwig wrote:
> The DMA API requires that 32-bit DMA masks are always supported, but on
> arm LPAE configs they do not currently work when memory is present
> above 4GB. Wire up the swiotlb code like for all other architectures
> to provide the bounce buffering in that case.
>
> Fixes: 21e07dba9fb11 ("scsi: reduce use of block bounce buffers").
> Reported-by: Roger Quadros <rog...@ti.com>
> Signed-off-by: Christoph Hellwig <h...@lst.de>
> ---Hi Chistoph, Out of curiosity, what is the reason stopping us from using dma-direct/swiotlb instead of arm_dma_ops altogether? Regards, Nicolas
signature.asc
Description: This is a digitally signed message part
_______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
