linux-kernel - Re: [PATCH v12 13/17] iommu/sva: Refactoring iommu_sva_bind/unbind

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Message-ID: <d8741636-ea2e-4c5f-4dc1-9a5dec4dafa1@linux.intel.com>
Date:   Tue, 30 Aug 2022 15:46:55 +0800
From:   Baolu Lu <baolu.lu@...ux.intel.com>
To:     Yuan Can <yuancan@...wei.com>, Joerg Roedel <joro@...tes.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        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>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     baolu.lu@...ux.intel.com, 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-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jean-Philippe Brucker <jean-philippe@...aro.org>
Subject: Re: [PATCH v12 13/17] iommu/sva: Refactoring
 iommu_sva_bind/unbind_device()

On 2022/8/30 15:45, Baolu Lu wrote:
> On 2022/8/30 15:30, Yuan Can wrote:
>>
>> 在 2022/8/26 20:11, Lu Baolu 写道:
>>> The existing iommu SVA interfaces are implemented by calling the SVA
>>> specific iommu ops provided by the IOMMU drivers. There's no need for
>>> any SVA specific ops in iommu_ops vector anymore as we can achieve
>>> this through the generic attach/detach_dev_pasid domain ops.
>>>
>>> This refactors the IOMMU SVA interfaces implementation by using the
>>> iommu_detach/detach_device_pasid interfaces and align them with the
>>
>> Did you mean using the iommu_attach/detach_device_pasid interfaces here?
> 
> The device driver oriented SVA interfaces keep consistent as before.
> Here we only refactor the IOMMU internal implementation.

Oh! A typo in the commit message, right? Thanks and I will fix it.

Best regards,
baolu