Messages in this thread | | | From | "Tian, Kevin" <> | Subject | RE: [RFC v16 1/9] iommu: Introduce attach/detach_pasid_table API | Date | Sat, 11 Dec 2021 05:18:04 +0000 |
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> From: Tian, Kevin > Sent: Saturday, December 11, 2021 11:58 AM > > This might be the only open as I still didn't see why we need an > explicit flag to claim a 'full device' thing. From kernel p.o.v the > ARM case is no different from Intel that both allows an user > page table attached to vRID, just with different format and
obviously this is 'RID' to not cause further confusion since it talks about the kernel p.o.v
> addr width (Intel is 64bit, ARM is 84bit where PASID can be > considered a sub-handle in the 84bit address space and not > the kernel's business). > > and ARM doesn't support explicit PASID attach then those calls > will fail for sure.
Thanks Kevin
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