Re: [kvm-ppc-devel] RFC/patch portability: split kvm_vm_ioctl v2

Hollis Blanchard
2007-10-25T20:51:05Z

On Fri, 2007-10-26 at 00:12 +0200, Izik Eidus wrote:
> ok i was thinking,
> maybe we can rewrite the way kvm hold memory so more code would be shared,
> lets say we throw away all the slots and arch depended stuff, and we let kvm
> just hold the userspace allocated memory address,

With that approach, how would you create a sparse (guest physical)
memory map in userspace? I guess you would need to use repeated
mmap(MAP_FIXED), and that's starting to look very brittle.

--
Hollis Blanchard
IBM Linux Technology Center