linux-kernel - Re: [PATCH v7 02/10] iommu: Remove sva handle list

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Date: Fri, 28 Jun 2024 18:15:08 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Lu Baolu <baolu.lu@...ux.intel.com>
Cc: Kevin Tian <kevin.tian@...el.com>, Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
	Jean-Philippe Brucker <jean-philippe@...aro.org>,
	Nicolin Chen <nicolinc@...dia.com>, Yi Liu <yi.l.liu@...el.com>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	Joel Granados <j.granados@...sung.com>, iommu@...ts.linux.dev,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 02/10] iommu: Remove sva handle list

On Sun, Jun 16, 2024 at 02:11:47PM +0800, Lu Baolu wrote:
> The struct sva_iommu represents an association between an SVA domain and
> a PASID of a device. It's stored in the iommu group's pasid array and also
> tracked by a list in the per-mm data structure. Removes duplicate tracking
> of sva_iommu by eliminating the list.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> ---
>  include/linux/iommu.h      |  2 --
>  drivers/iommu/iommu-priv.h |  3 +++
>  drivers/iommu/iommu-sva.c  | 30 ++++++++++++++++++++----------
>  drivers/iommu/iommu.c      | 31 +++++++++++++++++++++++++++++++
>  4 files changed, 54 insertions(+), 12 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason