Hi again,
On 8/7/19 11:06 AM, Lu Baolu wrote:
Hi Christoph,
On 8/6/19 2:43 PM, Christoph Hellwig wrote:
Hi Lu,
I really do like the switch to the per-device dma_map_ops, but:
On Thu, Aug 01, 2019 at 02:01:55PM +0800, Lu Baolu wrote:
Current Intel IOMMU driver sets the system level dma_ops.
Hi Christoph,
On 8/6/19 2:43 PM, Christoph Hellwig wrote:
Hi Lu,
I really do like the switch to the per-device dma_map_ops, but:
On Thu, Aug 01, 2019 at 02:01:55PM +0800, Lu Baolu wrote:
Current Intel IOMMU driver sets the system level dma_ops. This
implementation has at least the following d
Hi Lu,
I really do like the switch to the per-device dma_map_ops, but:
On Thu, Aug 01, 2019 at 02:01:55PM +0800, Lu Baolu wrote:
> Current Intel IOMMU driver sets the system level dma_ops. This
> implementation has at least the following drawbacks: 1) each
> dma API will go through the IOMMU driv
Current Intel IOMMU driver sets the system level dma_ops. This
implementation has at least the following drawbacks: 1) each
dma API will go through the IOMMU driver even the devices are
using identity mapped domains; 2) if user requests to use an
identity mapped domain (a.k.a. bypass iommu translat
