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iommu_gas_map_region(): add comment explaining the ma array shift

Description

iommu_gas_map_region(): add comment explaining the ma array shift

and the difference between start and entry->start values at this point.

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 3 days

Details

Provenance
kibAuthored on Jan 25 2025, 9:37 AM
Parents
rGea1e4a7dd9bc: tests.7: Announce allow_network_access test suite conf variable
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