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SubjectRe: [PATCH v4 15/32] vfio: introduce KVM-owned IOMMU type
On Tue, Mar 15, 2022 at 09:49:01AM -0400, Matthew Rosato wrote:

> The rationale for splitting steps 1 and 2 are that VFIO_SET_IOMMU doesn't
> have a mechanism for specifying more than the type as an arg, no? Otherwise
> yes, you could specify a kvm fd at this point and it would have some other
> advantages (e.g. skip notifier). But we still can't use the IOMMU for
> mapping until step 3.

Stuff like this is why I'd be much happier if this could join our
iommfd project so we can have clean modeling of the multiple iommu_domains.

Jason

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