On Mon, Dec 31, 2018 at 03:16:20PM +0000, Andrew Cooper wrote: > +Controls for the dom0 IOMMU setup. > + > +* The `passthrough` boolean controls whether IOMMU translation > functionality > + is disabled for devices in dom0 (`passthrough=1`) or whether the IOMMU is > + used to ensure that dom0 can only DMA to its permitted areas of RAM > + (`passthrough=0`). > + > + This option is only applicable to x86 PV dom0's, and defaults to false. > + > + Some older Intel VT-d hardware isn't capable of disabling translation > + functionality on a per-device basis, and will cause this option to be > + ignored and assumed to be 0. Similar behaviour on such systems is only > + available by fully disabling all IOMMUs. > + > + This option is hardwired to false for x86 PVH dom0's (where a > non-identity > + transform is required for dom0 to function), and is ignored for ARM. > + > +* The `strict` boolean is applicable to x86 PV dom0's only and defaults to > + false. It controls whether dom0 can have IOMMU mappings for all domain
I would remove 'domain' from the end of this line. With or without that: Reviewed-by: Roger Pau Monné <roger....@citrix.com> Thanks, Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
