[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Page tables in Xen
On Thu, 2007-11-29 at 11:00 +0530, pradeep singh rautela wrote: > On Nov 29, 2007 1:42 AM, Haifeng He <hehaifeng2nd@xxxxxxxxx> wrote: > > Thanks for answering my question. I am talking about PV mode. What about > > shadow > > page table? Does it mean, Xen will keep (real) copies of page tables? > > Shadown page tables are employed in HVM guests not PV guests. regarding shadowed PV domains, there's still XENFEAT_auto_translated_physmap. but it's rather exotic and therefore rarely used. regarding the original question: yes, this means xen keeps the real page tables, while guests map pseudo-physical (i.e. linear) memory in what they (may) believe to be the real ones. regards, daniel -- Daniel Stodden LRR - Lehrstuhl fÃr Rechnertechnik und Rechnerorganisation Institut fÃr Informatik der TU MÃnchen D-85748 Garching http://www.lrr.in.tum.de/~stodden mailto:stodden@xxxxxxxxxx PGP Fingerprint: F5A4 1575 4C56 E26A 0B33 3D80 457E 82AE B0D8 735B _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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