Re: [PATCH v7 6/9] iommu/arm-smmu-v3: Move CD table to arm_smmu_master

[Nicolin Chen]

On Fri, Sep 01, 2023 at 01:44:35AM +0800, Michael Shavit wrote:

> With this change, each master will now own its own CD table instead of
> sharing one with other masters attached to the same domain. Attaching a
> stage 1 domain installs CD entries into the master's CD table. SVA
> writes its CD entries into each master's CD table if the domain is
> shared across masters.
> 
> Also add the device to the devices list before writing the CD to the
> table so that SVA will know that the CD needs to be re-written to this
> device's CD table as well if it decides to update the CD's ASID
> concurrently with this function.
> 
> Tested-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Michael Shavit <mshavit@xxxxxxxxxx>
 
Reviewed-by: Nicolin Chen <nicolinc@xxxxxxxxxx>