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SubjectRe: [PATCH 1/1] iommu/vt-d: Add opt-in for ATS support on discrete devices
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On 2023/3/3 16:19, Tian, Kevin wrote:
> But Baolu, seems there is a small bug on handling satcu->atc_required.
> This indicates that ATS must be enabled as a functional requirement.
> Then we should handle the failure of pci_enable_ats() on such device.

Yes. We have people working on this. For example, when pci=noats is opt-
in, pci_enable_ats() definitely will return failure.

Best regards,
baolu

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