Methods and systems to manage machine state in virtual machine operations
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United States of America Patent
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Sep 7, 2010
Grant Date -
Jun 24, 2004
app pub date -
Dec 19, 2002
filing date -
Dec 19, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and systems are provided to control transitions between a virtual machine (VM) and Virtual Machine Monitor (VMM). A processor uses state action indicators to load and/or store associated elements of machine state before completing the transition. The state action indicators may be stored in a Virtual Machine Control Structure (VMCS), predetermined, and/or calculated dynamically. In some embodiments, the values loaded can be directly acquired from the VMCS, predetermined and/or calculated dynamically. In some embodiments, the values stored may be acquired directly from machine state, predetermined and/or calculated dynamically.
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