linux-kernel - Re: [PATCH v13 00/13] iommu: SVA and IOPF refactoring

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Date:   Fri, 23 Sep 2022 21:08:04 +0800
From:   Baolu Lu <baolu.lu@...ux.intel.com>
To:     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
Subject: Re: [PATCH v13 00/13] iommu: SVA and IOPF refactoring

On 2022/9/12 11:05, Baolu Lu wrote:
> On 2022/9/6 20:44, 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
>> existing IOMMU SVA implementation by assigning an SVA type of iommu
>> domain to a shared virtual address and replacing sva_bind/unbind iommu
>> ops with set/remove_dev_pasid 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 by Tony Zhu on Intel hardware
>> and Zhangfei Gao on arm64 (Kunpeng920) hardware. Thanks a lot for the
>> efforts.
>>
>> This series is also available on github:
>> https://github.com/LuBaolu/intel-iommu/commits/iommu-sva-refactoring-v13
>>
>> Please review and suggest.
> 
> Hi Joerg,
> 
> Can you please help to look at this series. Is there anything to be
> improved? Whose else "reviewed-by" would you like to see?

It seems that Jean/Kevin/Jason/Yi are satisfied with this series now. I
will post a new version and check whether we are lucky to have it in
v6.1.

Best regards,
baolu