Messages in this thread | | | Date | Mon, 20 Mar 2023 14:22:38 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH 3/4] iommu/sva: Support reservation of global PASIDs |
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On Thu, Mar 16, 2023 at 07:25:17AM +0000, Tian, Kevin wrote: > I still doubt 'reserve' is the right interface to define. > > for DMA domain probably yes as it's static and one-off. > > but thinking louder when the same driver starts to support SIOV we > need allocating additional PASIDs on demand which is hardly to be > fit in a reservation interface.
Sure, it is the same thing.
It is "reserve" in the sense they are not assigned to mm structs and not used for SVA.
Jason
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