Re: [PATCH 1/1] iommu/vt-d: Support page request in scalable mode
- Date: Fri, 11 Jan 2019 12:29:41 +0100
- From: Joerg Roedel <joro@xxxxxxxxxx>
- Subject: Re: [PATCH 1/1] iommu/vt-d: Support page request in scalable mode
On Fri, Jan 11, 2019 at 01:04:57PM +0800, Lu Baolu wrote:
> From: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> VT-d Rev3.0 has made a few changes to the page request interface,
> 1. widened PRQ descriptor from 128 bits to 256 bits;
> 2. removed streaming response type;
> 3. introduced private data that requires page response even the
> request is not last request in group (LPIG).
> This is a supplement to commit 1c4f88b7f1f92 ("iommu/vt-d: Shared
> virtual address in scalable mode") and makes the svm code compliant
> with VT-d Rev3.0.
> Cc: Ashok Raj <ashok.raj@xxxxxxxxx>
> Cc: Liu Yi L <yi.l.liu@xxxxxxxxx>
> Cc: Kevin Tian <kevin.tian@xxxxxxxxx>
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Fixes: 1c4f88b7f1f92 ("iommu/vt-d: Shared virtual address in scalable mode")
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
Applied for v5.1, thanks.