[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] 32bit xen and "claim"
On 05/11/2012 19:16, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote: >> xen/include/asm-x86/config.h:DIRECTMAP_* (and the comment >> preceding all those #define-s). > > Sorry if this is a silly question, but the hex value > 0xffff880000000000 looks like a Linux kernel base address > so it made me wonder: > > Do I understand correctly that the 5TB limit only applies > because of legacy PV guests? Yes. For HVM guests we can direct-map all physical memory, all the time. We will only ever need ephemeral mappings on x86/64 when running PV guests. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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