On 2011-08-05 09:20, Cyclonus J wrote: > hi, > > I am wondering if it is possible to map guest MMIO to host MMIO, the > purpose is to reduce VM_EXIT as the page tables will be setup before > MMIO accessing from guest. Here is what I have in mind: This is already the case if you pass through devices AND aligment&size of the MMIO resource allows this. What MMIOs do you see that are not mapped 1:1? For what kind of devices? Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux -- 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
