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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

    Compare, swap and store facility with no external serialization
    3.
    发明专利
    Compare, swap and store facility with no external serialization 未知

    公开(公告)号：GB2437758A

    公开(公告)日：2007-11-07

    申请号：GB0625699

    申请日：2006-12-21

    Applicant: IBM

    Inventor： GREINER DAN F ,  SCHMIDT DONALD W

    IPC: G06F9/46

    Abstract: A compare, swap and store facility is provided that does not require external serialization. A compare and swap operation is performed using an interlocked update operation. If the comparison indicates equality, a store operation is performed. The compare, swap and store operations are performed as a single unit of operation.

    Verringern der Bevorrechtigung virtueller Maschinen in einer virtualisierten Umgebung
    4.
    发明专利
    Verringern der Bevorrechtigung virtueller Maschinen in einer virtualisierten Umgebung 未知

    公开(公告)号：DE102016203808A1

    公开(公告)日：2016-09-15

    申请号：DE102016203808

    申请日：2016-03-09

    Applicant: IBM

    Inventor： ADAMS KEVIN S ,  LORENC MARK J ,  SCHMIDT DONALD W

    IPC: G06F9/44 ,  G06F9/455

    Abstract: Es wird ein Verfahren zum Verringern der Bevorrechtigung virtueller Maschinen in einer virtualisierten Umgebung bereitgestellt. Das Verfahren weist das Zuteilen einer virtuellen zentralen Verarbeitungseinheit (Central Processing Unit, CPU) zur Ausführung in einem Emulationsmodus auf einer realen CPU auf, bis die reale CPU den Emulationsmodus verlässt, das Ermitteln, ob die virtuelle CPU einen Wartezustand geladen hat, das Ermitteln, ob eine verbleibende Zeitscheibe der virtuellen CPU als Ergebnis des Zuteilens unterhalb eines vorgegebenen Schwellenwertes in einem Fall liegt, bei dem die virtuelle CPU den Wartezustand geladen hat, und das zeitliche Neuplanen der virtuellen CPU mit einer vollen Zeitscheibe in einem Fall, bei dem die verbleibende Zeitscheibe der virtuellen CPU unterhalb des vorgegebenen Schwellenwertes liegt.

    Computer program for compare, swap and store facility with no external serialization
    7.
    发明专利
    Computer program for compare, swap and store facility with no external serialization 未知

    公开(公告)号：GB2437760A

    公开(公告)日：2007-11-07

    申请号：GB0710783

    申请日：2006-12-21

    Applicant: IBM

    Inventor： GREINER DAN F ,  SCHMIDT DONALD W

    IPC: G06F9/46

    Abstract: For a multi processor system, a compare, swap and store facility is provided that does not require external serialization or lock. A compare and swap operation is performed using an interlocked update operation. If the comparison indicates equality, a store operation is performed. The compare, swap and store operations are performed as a single unit of operation and are not interrupted. The interlocked update operation may comprise a block concurrent interlocked update operation.

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