公开(公告)号：US20190042299A1

公开(公告)日：2019-02-07

申请号：US16147169

申请日：2018-09-28

Applicant: Intel Corporation

Inventor： Gilbert NEIGER ,  Geoffrey STRONGIN ,  Ramya JAYARAM MASTI

IPC: G06F9/455 ,  G06F12/1009

Abstract: A method includes receiving, by a processor from a virtual machine (VM) executed by the processor, an indication that a proper subset of a plurality of virtual memory pages of the VM are secure memory pages. The method further includes, responsive to determining the VM is attempting to access a first memory page, determining whether the proper subset comprises the first memory page. The method further includes, responsive to determining the proper subset comprises the first memory page: using first attributes specified by the VM for the first memory page; and ignoring second attributes specified by a virtual machine monitor (VMM) for the first memory page. The VMM is executed by the processor to manage the VM.

公开(公告)号：US20220206951A1

公开(公告)日：2022-06-30

申请号：US17134052

申请日：2020-12-24

Applicant: Intel Corporation

Inventor： Thomas TOLL ,  Ramya JAYARAM MASTI ,  Barry E. HUNTLEY ,  Vincent VON BOKERN ,  Siddhartha CHHABRA ,  Hormuzd M. KHOSRAVI ,  Vedvyas SHANBHOGUE ,  Gideon GERZON

IPC: G06F12/0895 ,  G06F12/06 ,  G06F9/455 ,  G06F21/53 ,  G06F12/14

Abstract: A method is described. The method includes executing a memory access instruction for a software process or thread. The method includes creating a memory access request for the memory access instruction having a physical memory address and a first identifier of a realm that the software process or thread execute from. The method includes receiving the memory access request and determining a second identifier of a realm from the physical memory address. The method also includes servicing the memory access request because the first identifier matches the second identifier.