Re: [PATCH] iommu/vt-d: Disable SVM when ATS/PRI/PASID are not enabled in the device

[Joerg Roedel]

On Sun, Mar 14, 2021 at 01:15:34PM -0700, Kyung Min Park wrote:
> Currently, the Intel VT-d supports Shared Virtual Memory (SVM) only when
> IO page fault is supported. Otherwise, shared memory pages can not be
> swapped out and need to be pinned. The device needs the Address Translation
> Service (ATS), Page Request Interface (PRI) and Process Address Space
> Identifier (PASID) capabilities to be enabled to support IO page fault.
> 
> Disable SVM when ATS, PRI and PASID are not enabled in the device.
> 
> Signed-off-by: Kyung Min Park <kyung.min.park@xxxxxxxxx>

Applied, thanks.