Re: [PATCH v2 0/8] iommu: Add PASID support to Arm SMMUv3

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On 2019/11/8 下午11:25, Jean-Philippe Brucker wrote:
This is version 2 of the series I sent a while ago [1], adding PASID
support to the Arm SMMUv3 driver.

Changes since v1:
* Dropped the patch adding auxiliary domain support. It's an easy way to
   test PASID, by populating PASID contexts using iommu_map/unmap(), but
   I don't know if it will ever have real users.

   Since v1 I changed my testing gear, and am using the zip accelerator
   [2] instead of a software model. It only uses SVA and testing
   auxiliary domains would require additional changes that would never go
   upstream. SVA requires another 20 patches (including I/O page faults)
   that I will send later, but at least I know that this will get used.

* ioasid patch has been carried by Jacob and should be merged for v5.5 [3]

* Split patch "Add support for Substream IDs" into patches 4 and 5.

* Added IORT support (patch 3) and addressed other comments.

[1] https://lore.kernel.org/linux-iommu/20190610184714.6786-1-jean-philippe.brucker@xxxxxxx/
[2] https://lore.kernel.org/linux-iommu/1572331216-9503-1-git-send-email-zhangfei.gao@xxxxxxxxxx/
[3] https://lore.kernel.org/linux-iommu/1570045363-24856-1-git-send-email-jacob.jun.pan@xxxxxxxxxxxxxxx/

Jean-Philippe Brucker (8):
   dt-bindings: document PASID property for IOMMU masters
   iommu/arm-smmu-v3: Support platform SSID
   ACPI/IORT: Support PASID for platform devices
   iommu/arm-smmu-v3: Prepare for SSID support
   iommu/arm-smmu-v3: Add support for Substream IDs
   iommu/arm-smmu-v3: Add second level of context descriptor table
   iommu/arm-smmu-v3: Improve add_device() error handling
   iommu/arm-smmu-v3: Add support for PCI PASID
Thanks Jean for the patch
The series tested well on Hisilicon platform KunPeng920
Tested-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx>





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