On Tue, Jun 01, 2010 at 12:55:32PM +0300, Michael S. Tsirkin wrote: > There seems to be some misunderstanding. The userspace interface > proposed forces a separate domain per device and forces userspace to > repeat iommu programming for each device. We are better off sharing a > domain between devices and programming the iommu once. > > The natural way to do this is to have an iommu driver for programming > iommu. IMO a seperate iommu-userspace driver is a nightmare for a userspace interface. It is just too complicated to use. We can solve the problem of multiple devices-per-domain with an ioctl which allows binding one uio-device to the address-space on another. Thats much simpler. 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
