Messages in this thread | | | Date | Sun, 25 Mar 2012 16:25:38 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH RFC dontapply] kvm_para: add mmio word store hypercall |
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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. 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.
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