[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel][PATCH][RFC] Supporting Enlightened Windows 2008 Server
On 19/2/08 22:11, "Ky Srinivasan" <ksrinivasan@xxxxxxxxxx> wrote: > B) Implement an adapter that implements the required Hyper-V functionality. > > We have implemented only a subset of Hyper-V functionality that is required > for enlightened windows 2008 guest today. However, we have the framework in > place to implement any additional functionality that the windows guests may > leverage going forward. The framework is extensible and one can easily > implement OS specific enlightenments. The appearance is that you hook on every significant emulation point in the HVM code and implement a shadow hypervisor. Is that an accurate description? What performance wins do you get from Hyper-V emulation, ignoring the obvious wins you will get from installing PV I/O drivers? I think this is a particularly interesting question since it was our impression that the PV memory-management interfaces, which you appear to jump through hoops to support, were not of much benefit with Xen's more sophisticated pagetable algorithm (or with Intel EPT or AMD NPT). -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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