On Fri, Apr 08, 2016 at 07:49:22AM -0500, Suthikulpanit, Suravee wrote: > From: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx> > > This patch introduces a new IOMMU driver parameter, amd_iommu_guest_ir, > which can be used to specify different interrupt remapping mode for > passthrough devices to VM guest: > * legacy: Legacy interrupt remapping mode (w/ 32-bit IRTE) > * ga : Guest vAPIC interrupt remapping mode (w/ 128-bit IRTE) > > Note that the GA mode also supports legacy interrupt remapping > for non-passthrough devices with the 128-bit IRTE. Does this need to be under user control? The code can just check what the hardware supports and use the 128bit IRTEs if supported, no? Joerg -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
