Re: [PATCH v5 02/12] iommu/vt-d: Manage scalalble mode PASID tables

From: Joerg Roedel
Date: Wed Dec 05 2018 - 10:47:14 EST


On Mon, Dec 03, 2018 at 05:23:40PM +0000, Liu, Yi L wrote:
> So for a device without PASID support, we need to at least to have a PASID
> entry so that its DMA request (without pasid) can be translated. Thus a PASID
> table is needed for such devices.

That makes sense, thanks for the explanation.


Joerg