> From: Jacob Pan <jacob.jun....@linux.intel.com>
> Sent: Tuesday, March 15, 2022 1:07 PM
> 
> With the availability of a generic device-PASID-domain attachment API,
> there's no need to special case RID2PASID.  Use the API to replace
> duplicated code.
> 
> Signed-off-by: Jacob Pan <jacob.jun....@linux.intel.com>
> ---
>  drivers/iommu/intel/iommu.c | 18 ++----------------
>  1 file changed, 2 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
> index 9267194eaed3..f832b7599d21 100644
> --- a/drivers/iommu/intel/iommu.c
> +++ b/drivers/iommu/intel/iommu.c
> @@ -1683,9 +1683,6 @@ static void domain_flush_piotlb(struct
> intel_iommu *iommu,
>               qi_flush_piotlb(iommu, did, domain->default_pasid,
>                               addr, npages, ih);
> 
> -     if (!list_empty(&domain->devices))
> -             qi_flush_piotlb(iommu, did, PASID_RID2PASID, addr, npages,
> ih);
> -

this should be rebased on top of Baolu's "iommu cleanup and refactoring"
series which has removed the entire domain_flush_piotlb().

Thanks
Kevin
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