[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH RFC v1 00/13] Introduce HMV without dm and new boot ABI
On Wed, 24 Jun 2015, Boris Ostrovsky wrote: > On 06/24/2015 09:26 AM, Stefano Stabellini wrote: > > On Wed, 24 Jun 2015, Roger Pau Monnà wrote: > > > > > - PCI pass-through. > > Do we really need PCI pass-through? I see HVMlite mostly useful for > > Dom0, but also for higher security Linux and BSD guests. If a user wants > > PCI pass-through, she can always use PV on HVM. > > Why is this model not useful for a generic domU? I thought that it should > eventually become a replacement for what we now have as PVH? It is useful as generic DomU because it provides a smaller surface of attack compared to PV on HVM guests. At the same time using PCI pass-through increases that surface of attack again, decreasing the value of HVMLite/PVH, at least in my view. But you are right that it might be nice to have it for feature completeness, if nothing else. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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