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1. 发明授权

US08544010B2 Providing notification to speculatively waking up target virtual machine for an I/O event using multiple virtual machines and processors 有权
标题翻译：提供通知以推测使用多个虚拟机和处理器的目标虚拟机唤醒I / O事件
公开(公告)号：US08544010B2
公开(公告)日：2013-09-24
申请号：US12563017
申请日：2009-09-18
申请人： Wei Huang , Xiaoxin Chen , Michal Ostrowski , Qicheng Christopher Li
发明人： Wei Huang , Xiaoxin Chen , Michal Ostrowski , Qicheng Christopher Li
IPC分类号： G06F9/46 , G06F9/455 , G06F3/00
CPC分类号： G06F9/544 , G06F9/45558 , G06F9/545 , G06F2009/45575
摘要： A computer system having a plurality of processor cores utilizes a device driver running in a driver virtual machine to handle I/O with the corresponding device for other virtual machines. A hypervisor in the computer system receives an interrupt from the corresponding device and identifies a virtual machine that best correlates to the received interrupt prior to forwarding the interrupt for handling by the driver virtual machine. The hypervisor then speculatively transmits a notification to the identified virtual machine to wake up and poll a memory shared between the identified virtual machine and the driver virtual machine. Once the driver virtual machine completes handling of the forwarded interrupt, it copies data made available by the corresponding device to the shared memory for access by the polling identified virtual machine.
摘要翻译：具有多个处理器核心的计算机系统利用在驱动程序虚拟机中运行的设备驱动程序来处理与用于其他虚拟机的相应设备的I / O。计算机系统中的虚拟机管理程序从对应的设备接收中断，并且识别在转发中断以由驾驶员虚拟机处理之前与接收的中断最相关的虚拟机。管理程序然后推测地将通知发送到所识别的虚拟机以唤醒并轮询所识别的虚拟机和驱动程序虚拟机之间共享的存储器。一旦驱动程序虚拟机完成对转发的中断的处理，它将由相应设备提供的数据复制到共享存储器，以供轮询识别的虚拟机访问。

2. 发明申请

US20110072426A1 Speculative Notifications on Multi-core Platforms 有权
标题翻译：多核平台上的投机通知
公开(公告)号：US20110072426A1
公开(公告)日：2011-03-24
申请号：US12563017
申请日：2009-09-18
申请人： Wei HUANG , Xiaoxin CHEN , Michal OSTROWSKI , Qicheng Christopher LI
发明人： Wei HUANG , Xiaoxin CHEN , Michal OSTROWSKI , Qicheng Christopher LI
IPC分类号： G06F9/455 , G06F9/46
CPC分类号： G06F9/544 , G06F9/45558 , G06F9/545 , G06F2009/45575
摘要： A computer system having a plurality of processor cores utilizes a device driver running in a driver virtual machine to handle I/O with the corresponding device for other virtual machines. A hypervisor in the computer system receives an interrupt from the corresponding device and identifies a virtual machine that best correlates to the received interrupt prior to forwarding the interrupt for handling by the driver virtual machine. The hypervisor then speculatively transmits a notification to the identified virtual machine to wake up and poll a memory shared between the identified virtual machine and the driver virtual machine. Once the driver virtual machine completes handling of the forwarded interrupt, it copies data made available by the corresponding device to the shared memory for access by the polling identified virtual machine.
摘要翻译：具有多个处理器核心的计算机系统利用在驱动程序虚拟机中运行的设备驱动程序来处理与用于其他虚拟机的相应设备的I / O。计算机系统中的虚拟机管理程序从对应的设备接收中断，并且识别在转发中断以由驾驶员虚拟机处理之前与接收的中断最相关的虚拟机。管理程序然后推测地将通知发送到所识别的虚拟机以唤醒并轮询所识别的虚拟机和驱动程序虚拟机之间共享的存储器。一旦驱动程序虚拟机完成对转发的中断的处理，它将由相应设备提供的数据复制到共享存储器，以供轮询识别的虚拟机访问。

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