Messages in this thread | | | Date | Fri, 3 Mar 2023 17:51:00 +0800 | Subject | Re: [PATCH 1/1] iommu/vt-d: Add opt-in for ATS support on discrete devices | From | Baolu Lu <> |
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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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