16.04.24 12:36, Andrew Cooper:

Everything else seems ok, but there's no inherent dependency between
VMX/SVM and IOMMUs.  There are certain features (HAP/IOMMU pagetable
sharing, posted interrupts) which do depend on both, but the vast
majority of functionality is independent.

It would be a legitimate config (although getting less plausible, these
days) to have PV && IOMMU && !HVM.

Furthermore, randconfig will do a better job without such restrictions
in place.

understood. I'll make a patch instead to guard posted interrupts calls from iommu driver.

  -Sergiy

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