[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] Libxc: fix xc_translate_foreign_address()
On Tue, Apr 4, 2017 at 9:11 AM, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote: On 04/04/17 13:14, Razvan Cojocaru wrote: Indeed it is, that's why in LibVMI there is actually a cache implemented for mapped pages so we throw them away only after they have been idle for a while.
Control register state is certainly available.
I don't think it would be necessary. IMHO doing this in Xen wouldn't really net us much performance-wise. Furthermore, there are certain PTE bits that are OS specific and Xen wouldn't necessary have the required information to do the translation properly (ie. present bit unset but transition bits used for Windows guests). Tamas _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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