Re: [PATCH v2 00/10] iommu/vt-d: Bounce buffer for untrusted devices

[Christoph Hellwig]

On Thu, Mar 28, 2019 at 02:33:04PM +0800, Lu Baolu wrote:
> For the swiotlb APIs, I am thinking about keeping current APIs untouched
> and adding below new ones for bounce page.

In the lon run I'd like tow avoid duplicate APIs, especially as the
current low-level swiotlb APIs only two callers.  But please go ahead
with the new APIs for now, I will try to see if we can do something
on top later.