Re: [PATCH 1/2] iommu/vt-d: Remove virtual command interface

From: Jason Gunthorpe
Date: Mon Feb 13 2023 - 18:19:42 EST


On Fri, Feb 10, 2023 at 03:02:05PM -0800, Jacob Pan wrote:
> Virtual command interface was introduced to allow using host PASIDs
> inside VMs. It is unused and abandoned due to architectural change.
>
> With this patch, we can safely remove this feature and the related helpers.
>
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> ---
> drivers/iommu/intel/cap_audit.c | 2 -
> drivers/iommu/intel/dmar.c | 2 -
> drivers/iommu/intel/iommu.c | 85 ---------------------------------
> drivers/iommu/intel/iommu.h | 8 ----
> 4 files changed, 97 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason