Computer system provided with hypervisor

Details Computer system provided with hypervisor Computer system provided with hypervisor

2009-12-02

2011-12-13

Kindred, Alford (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C710S036000

Reexamination Certificate

active

08078765

ABSTRACT:
A hypervisor acquires an I/O command that has been issued from a virtual computer. The hypervisor judges whether or not a target of an I/O that complies with the I/O command is an unassigned port associated device that is a device associated with an I/O port that is coupled to an I/O controller that is not assigned to a virtual computer that is an issuing source of the I/O command. In the case in which the result of the judgment is positive, the hypervisor does no execute an I/O to the unassigned port associated device, and returns a virtual execution result to the virtual computer that is an issuing source of the I/O command.

REFERENCES:
patent: 7003771 (2006-02-01), Arndt
patent: 7539788 (2009-05-01), Moriki et al.
patent: 2008/0155167 (2008-06-01), Mansell et al.
patent: 2009/0019208 (2009-01-01), Sanvido et al.
patent: 2003-202999 (2003-07-01), None
patent: 2004-220218 (2004-08-01), None

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