There since import from NetBSD, but we have no iommu(4). OK?
Index: share/man/man4/sbus.4 =================================================================== RCS file: /cvs/src/share/man/man4/sbus.4,v retrieving revision 1.53 diff -u -p -r1.53 sbus.4 --- share/man/man4/sbus.4 18 Jun 2018 06:06:52 -0000 1.53 +++ share/man/man4/sbus.4 28 Jul 2020 03:01:46 -0000 @@ -36,7 +36,6 @@ .Nd introduction to SBus bus support .Sh SYNOPSIS .Cd "sbus* at mainbus?" -.Cd "sbus* at iommu?" .Cd "sbus* at xbox?" .Sh DESCRIPTION These