On 16/01/2019 11:06, Roger Pau Monné wrote: > On Wed, Jan 16, 2019 at 09:00:45AM +0000, Andrew Cooper wrote: >> >> ->> Control the use of Snoop Control. >> - >> -> `sharept` >> - >> -> Default: `true` >> - >> ->> Control whether CPU and IOMMU page tables should be shared. >> - >> -> `dom0-passthrough` >> - >> -> **WARNING: This command line option is deprecated, and superseded by >> -> _dom0-iommu=passthrough_ - using both options in combination is >> undefined.** >> - >> -> `dom0-strict` >> + Due to implementation choices, sharing pagetables doesn't work on AMD >> + hardware, and this option is ignored. It is enabled by default on Intel > ^ > compatible
The VT-d driver binds specifically to Intel systems. I'm not aware of any non-Intel systems which use VT-d, but we'd need to make code changes if we find any. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel