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Subject: RE: [PATCH v4 05/17] iommufd: Separate kernel-managed HWPT
 alloc/destroy/abort functions
Thread-Topic: [PATCH v4 05/17] iommufd: Separate kernel-managed HWPT
 alloc/destroy/abort functions
Thread-Index: AQHZ7GCN3k0pHsaUpUaqL7OxTm+gurBDfEEAgAMqP4CAAMh40A==
Date:   Fri, 13 Oct 2023 07:13:34 +0000
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References: <20230921075138.124099-1-yi.l.liu@intel.com>
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> From: Jason Gunthorpe <jgg@nvidia.com>
> Sent: Friday, October 13, 2023 3:10 AM
>=20
> Also, we probably should feed enforce_cache_coherency through the
> alloc_hwpt uapi and not try to autodetect it..
>=20

In the past we had a long discussion about this with the conclusion
that user opt is the ideal model but it's fine to stay with autodetect
and existing vfio/kvm contract for coherency detection until we
see a real demand for user opt.

Is there anything new which changes your mind to have user opt now?