Messages in this thread | | | From | "Tian, Kevin" <> | Subject | RE: [PATCH v2 01/12] iommu/vt-d: Enumerate the scalable mode capability | Date | Thu, 6 Sep 2018 01:55:06 +0000 |
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> From: Lu Baolu [mailto:baolu.lu@linux.intel.com] > 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@intel.com> > Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> > Cc: Kevin Tian <kevin.tian@intel.com> > Cc: Liu Yi L <yi.l.liu@intel.com> > Signed-off-by: Sanjay Kumar <sanjay.k.kumar@intel.com> > Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> > Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
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