linux-kernel - Re: [PATCH v11 00/13] iommu: SVA and IOPF refactoring

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Message-ID: <890a99fe-1e9b-85bd-e4bc-b746ae17b827@linaro.org>
Date:   Mon, 22 Aug 2022 12:49:11 +0800
From:   Zhangfei Gao <zhangfei.gao@...aro.org>
To:     Lu Baolu <baolu.lu@...ux.intel.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>,
        Vinod Koul <vkoul@...nel.org>
Cc:     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
Subject: Re: [PATCH v11 00/13] iommu: SVA and IOPF refactoring



On 2022/8/17 上午9:20, Lu Baolu wrote:
> Hi folks,
>
> The former part of this series introduces the IOMMU interfaces to attach
> or detach an iommu domain to/from a pasid of a device, and refactors the
> exsiting IOMMU SVA implementation by assigning an SVA type of iommu
> domain to a shared virtual address and replacing sva_bind/unbind iommu
> ops with a set_dev_pasid domain ops.
>
> The latter part changes the existing I/O page fault handling framework
> from only serving SVA to a generic one. Any driver or component could
> handle the I/O page faults for its domain in its own way by installing
> an I/O page fault handler.
>
> This series has been functionally tested on an x86 machine and compile
> tested for all architectures.
>
> This series is also available on github:
> [2] https://github.com/LuBaolu/intel-iommu/commits/iommu-sva-refactoring-v11
>
> Please review and suggest.
Tested-by: Zhangfei Gao <zhangfei.gao@...aro.org>
On arm64 (Kunpeng920) with uacce.

Thanks