[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: pvclock in userland (reprise)
On 18/09/2009 08:29, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: >> I don't think mapping things into application address space is really >> possible without guest kernel changes. The guest kernel owns and manages the >> pte that you'd be overwriting. Just blatting the pte would not be good form. > > Unless they sit in Xen's virtual space. Oh yes, I remember we talked about that before. That is possible, but the design fell down on other points. I think guest kernel involvement, even if only as a kernel driver, should make this more tractable. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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