Messages in this thread | | | From | Logan Gunthorpe <> | Date | Thu, 1 Mar 2018 14:37:48 -0700 | Subject | Re: [PATCH v2 04/10] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches |
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On 01/03/18 02:35 PM, Jerome Glisse wrote: > Note that they are usecase for P2P where IOMMU isolation matter and > the traffic through root complex isn't see as an issue.
Well, we can worry about that once we have a solution to the problem of knowing whether a root complex supports P2P at all. I'm not sure how people are going to solve that one.
For the time being, this work is for cards behind a switch only.
Logan
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