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This topic is new for Visual Studio 2005 SP1.
Resumes VMX non-root operation by using the current virtual machine control structure (VMCS).
An application can perform a VM-enter operation by using either theor function. The function can be used only with a VMCS whose launch state is Clear, and the function can be used only with a VMCS whose launch state is Launched. Consequently, use the function to set the launch state of a VMCS to Clear, and then use the function for your first VM-enter operation and the function for subsequent VM-enter operations.
The __vmx_vmresume function is equivalent to the VMRESUME machine instruction. This function supports the interaction of a host's virtual machine monitor with a guest operating system and its applications. For more information, search for the PDF document, "Intel Virtualization Technical Specification for the IA-32 Intel Architecture," document number C97063-002, at the Intel Corporation site.