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    • 17. 发明申请
    • PROCESSOR EXTENSIONS TO IDENTIFY AND AVOID TRACKING CONFLICTS BETWEEN VIRTUAL MACHINE MONITOR AND GUEST VIRTUAL MACHINE
    • 处理器扩展来识别和避免虚拟机监控器和客户虚拟机之间的冲突
    • WO2018063802A1
    • 2018-04-05
    • PCT/US2017/051384
    • 2017-09-13
    • INTEL CORPORATION
    • LESLIE-HURD, Rebekah M.ROZAS, Carlos V.CASPI, Dror
    • G06F21/53G06F9/455
    • A processing system includes an execution unit, communicatively coupled to an architecturally-protected memory, the execution unit comprising a logic circuit to execute a virtual machine monitor (VMM ) that supports a virtual machine (VM) comprising a guest operating system (OS) and to implement an architecturally-protected execution environment, wherein the logic circuit is to responsive to executing a blocking instruction by the guest OS directed at a first page stored in the architecturally -protected memory during a first time period identified by a value stored in a first counter, copy the value from the first counter to a second counter, responsive to executing a first tracking instruction issued by the VMM, increment the value stored in the first counter, and set a flag to indicate successful execution of the second tracking instruction.
    • 处理系统包括通信地耦合到架构受保护的存储器的执行单元,所述执行单元包括用于执行支持虚拟机(VM)的虚拟机监视器(VMM)的逻辑电路,所述虚拟机包括 客户操作系统(OS)并且实现架构保护的执行环境,其中所述逻辑电路响应于在第一时间段期间由所述客户OS针对存储在所述架构保护的存储器中的第一页执行阻止指令 通过存储在第一计数器中的值识别,响应于执行由VMM发出的第一跟踪指令,将来自第一计数器的值复制到第二计数器,递增存储在第一计数器中的值,并设置标志以指示成功 执行第二个跟踪指令。