linux-kernel - Re: [PATCH v10 09/12] iommu: Remove SVA related callbacks from iommu ops

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Message-ID: <20220723142718.GI79279@nvidia.com>
Date:   Sat, 23 Jul 2022 11:27:18 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     Joerg Roedel <joro@...tes.org>,
        Christoph Hellwig <hch@...radead.org>,
        Kevin Tian <kevin.tian@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Vinod Koul <vkoul@...nel.org>,
        Eric Auger <eric.auger@...hat.com>,
        Liu Yi L <yi.l.liu@...el.com>,
        Jacob jun Pan <jacob.jun.pan@...el.com>,
        Zhangfei Gao <zhangfei.gao@...aro.org>,
        Zhu Tony <tony.zhu@...el.com>, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Jean-Philippe Brucker <jean-philippe@...aro.org>
Subject: Re: [PATCH v10 09/12] iommu: Remove SVA related callbacks from iommu
 ops

On Tue, Jul 05, 2022 at 01:07:07PM +0800, Lu Baolu wrote:
> These ops'es have been replaced with the dev_attach/detach_pasid domain
> ops'es. There's no need for them anymore. Remove them to avoid dead
> code.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Reviewed-by: Jean-Philippe Brucker <jean-philippe@...aro.org>
> Reviewed-by: Kevin Tian <kevin.tian@...el.com>
> Tested-by: Zhangfei Gao <zhangfei.gao@...aro.org>
> Tested-by: Tony Zhu <tony.zhu@...el.com>
> ---
>  include/linux/intel-iommu.h                   |  3 --
>  include/linux/iommu.h                         |  7 ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h   | 16 ------
>  .../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c   | 40 ---------------
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c   |  3 --
>  drivers/iommu/intel/iommu.c                   |  3 --
>  drivers/iommu/intel/svm.c                     | 49 -------------------
>  7 files changed, 121 deletions(-)

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

Jason