Re: [PATCH v2 01/12] iommu/vt-d: Enumerate the scalable mode capability

[Lu Baolu]

Hi,

On 09/06/2018 09:55 AM, Tian, Kevin wrote:
> > From: Lu Baolu [mailto:baolu.lu@xxxxxxxxxxxxxxx]
> > Sent: Thursday, August 30, 2018 9:35 AM
> >
> > The Intel vt-d spec rev3.0 introduces a new translation
> > mode called scalable mode, which enables PASID-granular
> > translations for first level, second level, nested and
> > pass-through modes. At the same time, the previous
> > Extended Context (ECS) mode is deprecated (no production
> > ever implements ECS).
> >
> > This patch adds enumeration for Scalable Mode and removes
> > the deprecated ECS enumeration. It provides a boot time
> > option to disable scalable mode even hardware claims to
> > support it.
> >
> > Cc: Ashok Raj <ashok.raj@xxxxxxxxx>
> > Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> > Cc: Kevin Tian <kevin.tian@xxxxxxxxx>
> > Cc: Liu Yi L <yi.l.liu@xxxxxxxxx>
> > Signed-off-by: Sanjay Kumar <sanjay.k.kumar@xxxxxxxxx>
> > Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> > Reviewed-by: Ashok Raj <ashok.raj@xxxxxxxxx>
>
> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

Thank you, Kevin.

Best regards,
Lu Baolu