linux-kernel - Re: [PATCH v7 0/9] Refactor the SMMU's CD table ownership

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Message-ID: <ZPEpl9D/CqQWYhzk@Asurada-Nvidia>
Date:   Thu, 31 Aug 2023 17:00:23 -0700
From:   Nicolin Chen <nicolinc@...dia.com>
To:     Michael Shavit <mshavit@...gle.com>
CC:     <iommu@...ts.linux.dev>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <will@...nel.org>,
        <robin.murphy@....com>, <jean-philippe@...aro.org>,
        <jgg@...dia.com>, Jason Gunthorpe <jgg@...pe.ca>,
        Joerg Roedel <joro@...tes.org>,
        Kevin Tian <kevin.tian@...el.com>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Yicong Yang <yangyicong@...ilicon.com>
Subject: Re: [PATCH v7 0/9] Refactor the SMMU's CD table ownership

On Fri, Sep 01, 2023 at 01:44:29AM +0800, Michael Shavit wrote:
> This series refactors stage 1 domains so that they describe a single CD
> entry. These entries are now inserted into a CD table that is owned by
> the arm_smmu_master instead of the domain.
> This is conceptually cleaner and unblocks other features, such as
> attaching domains with PASID (for unmanaged/dma domains).
> 
> This patch series was originally part of a larger patch series that
> implemented the set_dev_pasid callback for non-SVA domains but is now
> split into a distinct series.
> 
> This patch series is also available on gerrit with Jean's SMMU test
> engine patches cherry-picked on top for testing:
> https://linux-review.googlesource.com/c/linux/kernel/git/torvalds/linux/+/24742/15
> 
> Thanks,
> Michael Shavit
> 
> Changes in v7:

Ran some SVA cases after applying this series

Tested-by: Nicolin Chen <nicolinc@...dia.com>