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    Method, system, and program for providing two server virtualization levels
    1.
    发明专利
    Method, system, and program for providing two server virtualization levels 有权
    用于提供两个服务器虚拟化级别的方法，系统和程序

    公开(公告)号：JP2007310884A

    公开(公告)日：2007-11-29

    申请号：JP2007128435

    申请日：2007-05-14

    Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Maschines Corporation

    Inventor： SITTMANN GUSTAV E III ,  CHARLES W GAINEY JR ,  OSISEK DAMIAN L ,  SCHMIDT DONALD W ,  BRICE FRANK W JR ,  EASTON JANET R ,  WILKINS STEPHEN G ,  NJOKU UGOCHUKWU C ,  LU TAN

    IPC: G06F9/54 ,  G06F9/46

    CPC classification number: G06F9/5077 ,  G06F9/45558 ,  G06F13/24 ,  G06F2009/45566

    Abstract: PROBLEM TO BE SOLVED: To provide a method, a system, a program, and a computer data structure for providing two server virtualization levels.
    SOLUTION: A first hypervisor provides a first virtualization level while allowing a plurality of logic sections to share a set of resources. A second hypervisor provide a second virtualization level while allowing a plurality of independent virtual machine to share resources assigned to a single logic section. All the events about all the virtual machines in the signal logic section are grouped into a single event queue possessed by a section for receiving an event notification from the shared resources about the single logic section. An interruption request is transmitted via a signal to the grouped events from the event queue possessed by the section, and demultiplexing of the grouped events from the event queue possessed by the section into individual virtualized event queues assigned on a virtual machine base is carried out by means of the machine.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种用于提供两个服务器虚拟化级别的方法，系统，程序和计算机数据结构。 解决方案：第一虚拟机管理程序提供第一虚拟化级别，同时允许多个逻辑部分共享一组资源。 第二管理程序提供第二虚拟化级别，同时允许多个独立虚拟机共享分配给单个逻辑部分的资源。 关于信号逻辑部分中的所有虚拟机的所有事件被分组为由用于从关于单个逻辑部分的共享资源接收事件通知的部分拥有的单个事件队列。 通过信号将中断请求从该段所拥有的事件队列发送到分组的事件，并且将由该段拥有的事件队列中的分组事件解复用到在虚拟机基础上分配的各个虚拟化事件队列中，由 机器的手段 版权所有（C）2008，JPO＆INPIT

    Interrupt handling in a logically partitioned system by changing the interrupt status values in an array for only one partition at a time.
    3.
    发明专利
    Interrupt handling in a logically partitioned system by changing the interrupt status values in an array for only one partition at a time. 未知

    公开(公告)号：GB2454817A

    公开(公告)日：2009-05-20

    申请号：GB0822116

    申请日：2008-12-04

    Applicant: IBM

    Inventor： CAMPBELL MICHAEL ,  EASTON JANET R ,  HAGSPIEL NORBERT ,  SLEGEL TIMOTHY J

    IPC: G06F9/48

    Abstract: Disclosed is a method of interrupt handling in a logically partitioned data processing system. The system has at least two logical partition zones and at least one interrupt handling array, which includes bit values that change in accordance with the change of an interrupt pending status of the data processing system. A change of the interruption pending status is only performed for a logical partition zone having an updated bit value. The interrupt pending status is changed for only one partition at a time. The current interrupt pending status for all the zones may be stored as a vector or array of interrupt states, with one bit per zone. In the cases where a back-to-back writes to the same entry in the array a bypass may be used to bypass the array.

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