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Commit c60d36b4d1ee1f69b7cca897d3621dfa951895c2 * UefiCpuPkg/SmmCpu: Block access-out only when static paging is used updated page fault handler to treat SMM access-out as allowed address when static paging is not used. But that commit is not complete because the page table is still updated in SetUefiMemMapAttributes() for non-SMRAM memory. When SMM code accesses non-SMRAM memory, page fault is still generated. This patch skips to update page table for non-SMRAM memory and page table itself. Signed-off-by: Ray Ni <ray.ni@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Jian J Wang <jian.j.wang@intel.com> Acked-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Eric Dong <eric.dong@intel.com>