| 摘要 |
PROBLEM TO BE SOLVED: To simplify virtualized software structure and to improve performance. SOLUTION: A computer system includes a virtualization means for capturing a configuration access to a PCI device from an OS, identifying a partition to which the PCI device belongs from the device address of the PCI device accessed by the OS; and when the PCI device is a device that does not belong to own partition, substituting the content of the configuration register that identifies the PCI device with the information of a dummy device that does not actually exist, to notify the OS of the same. A dummy device driver corresponding to the dummy device recognizes the PCI device that does not belong to own partition as a valid device with a name imparted, and the dummy device driver refuses to execute processings common to all the PCI devices that are required from the OS and which disturb the operation of a PCI device belonging to another partition. COPYRIGHT: (C)2010,JPO&INPIT |
