Timer offsetting mechanism in a virtual machine environment
    54.
    发明授权
    Timer offsetting mechanism in a virtual machine environment 有权
    虚拟机环境中的定时器偏移机制

    公开(公告)号:US08146078B2

    公开(公告)日:2012-03-27

    申请号:US10976970

    申请日:2004-10-29

    IPC分类号: G06F9/455 G06F1/12 G06F9/46

    CPC分类号: G06F9/45533

    摘要: In one embodiment, a method includes receiving a request to transition control to a virtual machine (VM) from a virtual machine monitor (VMM), calculating an offset value, receiving, during operation of the VM, a request for a current value of the timer, adjusting the current value of the timer based on the offset value, and providing the adjusted timer value to the VM.

    摘要翻译: 在一个实施例中,一种方法包括从虚拟机监视器(VMM)接收向虚拟机(VM)转换控制的请求,计算偏移值,在VM的操作期间接收对当前值的请求 定时器,基于偏移值调整定时器的当前值,并将调整的定时器值提供给VM。

    Virtualizing memory type
    60.
    发明授权
    Virtualizing memory type 有权
    虚拟化内存类型

    公开(公告)号:US07370160B2

    公开(公告)日:2008-05-06

    申请号:US11171993

    申请日:2005-06-29

    IPC分类号: G06F12/00

    CPC分类号: G06F12/1009 G06F9/45537

    摘要: A processor, capable of operation in a host machine, including memory management logic to support a plurality of memory types for a physical memory access by the processor, and virtualization support logic to determine a host memory type for a reference to a memory location by a guest in a virtual machine executable on the processor based at least in part on a memory type field stored in an entry of an extended paging table of a virtualization support system of the host machine (extended memory type field), to determine a guest memory type for the reference to the memory location, and to determine an effective memory type based on at least one of the host memory type and the guest memory type.

    摘要翻译: 能够在主机中操作的处理器,包括用于支持由处理器进行物理存储器访问的多种存储器类型的存储器管理逻辑,以及虚拟化支持逻辑,以通过以下方式来确定用于引用存储器位置的主机存储器类型 至少部分地基于存储在主机的虚拟化支持系统(扩展存储器类型字段)的扩展寻呼表的条目中的存储器类型字段来在处理器上执行的虚拟机中的客户端,以确定客户机存储器类型 用于引用存储器位置,并且基于主机存储器类型和来宾存储器类型中的至少一个来确定有效的存储器类型。