Messages in this thread | | | Date | Fri, 3 Feb 2023 11:04:25 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v1 0/8] Add IO page table replacement support |
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On Fri, Feb 03, 2023 at 08:09:30AM +0000, Tian, Kevin wrote: > > From: Nicolin Chen <nicolinc@nvidia.com> > > Sent: Thursday, February 2, 2023 3:05 PM > > > > QEMU with this feature should have the vIOMMU maintain a cache of the > > guest io page table addresses and assign a unique IOAS to each unique > > guest page table. > > I didn't get why we impose such requirement to userspace.
I read this as implementation guidance for qemu. qemu can do what it wants of course
Jason
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