Re: [Qemu-devel] phys_ram_base, direct access to guest memory

2008-03-17 Thread Avi Kivity
Ian Jackson wrote: As I think has been mentioned here a few times before, Xen is able to support guests with more RAM than the host's (strictly, dom0's) address space. For example, 64-bit guests with >4G RAM on 32-bit hosts. For this and for other reasons, guest physical RAM is not mapped into

[Qemu-devel] phys_ram_base, direct access to guest memory

2008-03-17 Thread Ian Jackson
As I think has been mentioned here a few times before, Xen is able to support guests with more RAM than the host's (strictly, dom0's) address space. For example, 64-bit guests with >4G RAM on 32-bit hosts. For this and for other reasons, guest physical RAM is not mapped into any host process. I