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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Implementing split memory in Xen is annoyingly hard?
On 12/12/2008 06:47, "Sina Bahram" <sbahram@xxxxxxxxx> wrote: > #2: Xen absolutely does not, (can not?), cause a fault or other VM exit to > be generated upon an execute or a read of a page. It's not possible to make a page executable but not readable, so indeed I think you're stumped there, unless you can work out a hackish way to desynchronise the iTLB and the dTLB (an operation not supported architecturally by x86 of course). -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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