[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Q] Is qemu used when we use VTd?
Hi, Thank you. And mmio is traped by hypervisor, then hypervisor do mmio instead of HVM guest, Right? Best Regards, Akio Takebe Tian, Kevin wrote: >> From: Akio Takebe >> Sent: 2008年9月11日 18:46 >> >> Hi, >> >> If we assign a device to HVM guest, >> HVM guest can do directry DMA transfer. >> But how about accessing pci configuration register >> of the pass through device? Do we still access >> pci configuration register through qemu? >> > > Yes, even when we say that given on PCI config field > can be directly accessed by HVM guest, it's still trapped > to Qemu for route. > > Thanks, > Kevin > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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