Messages in this thread | | | Subject | Re: [PATCH v4 0/3] Replace private domain with per-group default domain | From | Lu Baolu <> | Date | Mon, 11 May 2020 07:16:30 +0800 |
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Hi Joerg,
On 5/6/20 9:59 AM, Lu Baolu wrote: > Some devices are required to use a specific type (identity or dma) of > default domain when they are used with a vendor iommu. When the system > level default domain type is different from it, the vendor iommu driver > has to request a new default domain with either > iommu_request_dma_domain_for_dev() or iommu_request_dm_for_dev() in the > add_dev() callback. Unfortunately, these two helpers only work when the > group hasn't been assigned to any other devices, hence, some vendor iommu > driver has to use a private domain if it fails to request a new default > one. > > Joerg proposed an on-going proposal which makes the default domain > framework to support configuring per-group default domain during boot > process. > > https://lkml.org/lkml/2020/4/14/616 > [This has been applied in iommu/next.] > > Hence, there is no need to keep the private domain implementation > in the Intel IOMMU driver. This patch series aims to remove it.
Can you please take this series to iommu/next for wider test?
Best regards, baolu
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