发明授权
- 专利标题: Transparent VMM-assisted user-mode execution control transfer
- 专利标题(中): 透明VMM辅助用户模式执行控制传输
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申请号: US12261623申请日: 2008-10-30
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公开(公告)号: US08261265B2公开(公告)日: 2012-09-04
- 发明人: Xiaoxin Chen , Carl A. Waldspurger , Pratap Subrahmanyam , Tal Garfinkel , Daniel R. K. Ports
- 申请人: Xiaoxin Chen , Carl A. Waldspurger , Pratap Subrahmanyam , Tal Garfinkel , Daniel R. K. Ports
- 申请人地址: US CA Palo Alto
- 专利权人: VMware, Inc.
- 当前专利权人: VMware, Inc.
- 当前专利权人地址: US CA Palo Alto
- 主分类号: G06F9/455
- IPC分类号: G06F9/455
摘要:
A virtual-machine-based system provides a control-transfer mechanism to invoke a user-mode application handler from existing virtual hardware directly, without going through an operating system kernel running in the virtual machine. A virtual machine monitor calls directly to the guest user-mode handler and the handler transfers control back to the virtual machine monitor, without involving the guest operating system.
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