Mechanism to control hardware interrupt acknowledgement in a virtual machine system
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United States of America Patent
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Jun 26, 2007
Grant Date -
Apr 14, 2005
app pub date -
Sep 30, 2003
filing date -
Sep 30, 2003
priority date (Note) -
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Abstract
In one embodiment, a method includes recognizing an interrupt pending during an operation of guest software, determining that the interrupt is to cause a transition of control to a virtual machine monitor (VMM), determining whether the interrupt is to be acknowledged prior to the transition of control to the VMM, and if the interrupt is to be acknowledged, acknowledging the interrupt and transitioning control to the VMM.
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