On Tue, Aug 18, 2009 at 01:00:25PM +0300, Avi Kivity wrote: > On 08/18/2009 12:53 PM, Michael S. Tsirkin wrote: >> I'm not hung up on PCI, myself. An idea that might help you get Avi >> on-board: do setup in userspace, over PCI. Negotiate hypercall support >> (e.g. with a PCI capability) and then switch to that for fastpath. Hmm? >> > > Hypercalls don't nest well. When a nested guest issues a hypercall, you > have to assume it is destined to the enclosing guest, so you can't > assign a hypercall-capable device to a nested guest. > > mmio and pio don't have this problem since the host can use the address > to locate the destination. So userspace could map hypercall to address during setup and tell the host kernel? > -- > error compiling committee.c: too many arguments to function -- 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
