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reusing the 1:1 page table built by the builder, and it also establishes the 1:1 direct mapping at runtime a la shadow page tables. Since the builder constructs the full 1:1 direct mapping (but <4GB), the current implementation wastes memory but cannot support guests with >=4GB memory (even for x64-64). This is also required for HVM support on the PAE host. That patch should be sent soon. For SVM, I think the svm code needs changes. Please look at the changes to vmx.c and vmcs.c; should be straightforward. Signed-off-by: Jun Nakajima <jun.nakajima@intel.com> Signed-off-by: Xiaohui Xin <xiaohui.xin@intel.com>