On Sun, Mar 25, 2012 at 04:25:38PM -0700, H. Peter Anvin wrote: > On 03/25/2012 03:05 PM, Michael S. Tsirkin wrote: > > We face a dilemma: IO mapped addresses are legacy, > > so, for example, PCI express bridges waste 4K > > of this space for each link, in effect limiting us > > to 16 devices using this space. > > That is *only* if they are physical devices on PCIe links. For virtual > devices you have no such limitation.
Why don't we? We emulate pci express with exact same limitations for virtual and physical devices. > What is the problem again? > > -hpa > > -- > H. Peter Anvin, Intel Open Source Technology Center > I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
