Re: [RFC PATCH V3 09/11] HV/IOMMU: Enable swiotlb bounce buffer for Isolation VM

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On 6/3/21 11:37 AM, Tianyu Lan wrote:
>
> Yes, the dependency is between hyperv_swiotlb_detect() and
> pci_swiotlb_detect_override()/pci_swiotlb_detect_4gb(). Now
> pci_swiotlb_detect_override() and pci_swiotlb_detect_4gb() depends on
> pci_xen_swiotlb_detect(). To keep dependency between
> hyperv_swiotlb_detect() and pci_swiotlb_detect_override/4gb(), make pci_xen_swiotlb_detect() depends on hyperv_swiotlb_detect() and just to
> keep order in the IOMMU table. Current iommu_table_entry only has one
> depend callback and this is why I put xen depends on hyperv detect function.
>

Ah, ok. Thanks.



-boris




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