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Intel® Virtualization Technology FlexMigration Application Note

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This application note discusses virtualization capabilities in Intel® processors that support Intel® VT FlexMigration usages. Retrieved from https://software.intel.com/sites/default/files/managed/c5/15/virtualization-technology-flexmigration-application-note.pdf on 2017 May 09.

Author(s): coll.
Series: 323850-004
Publisher: Intel Corporation
Year: 2012

Language: English
Pages: 13

CHAPTER 1
INTRODUCTION
1.1
OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
CHAPTER 2
INTEL® VIRTUALIZATION TECHNOLOGY
FLEXMIGRATION AND CPUID VIRTUALIZATION
2.1
CPUID VIRTUALIZATION AND A LIVE-MIGRATION COMPATIBILITY POOL. . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2
INTEL® V IRTUALIZATION TECHNOLOGY FLEXMIGRATION FOR VMS THAT OPERATE IN VMX NON-ROOT
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3
INTEL® V IRTUALIZATION TECHNOLOGY FLEXMIGRATION FOR VMS THAT DO NOT OPERATE IN VMX NON-
ROOT OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3.1
CPUID Masking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.3.1.1
Virtualization of CPUID Masking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2.3.2
CPUID Faulting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.4
EXAMPLE USE OF INTEL® VIRTUALIZATION TECHNOLOGY FLEXMIGRATION . . . . . . . . . . . . . . . . . . . . . . 2-9
FIGURES
Figure 2-1.
Figure 2-2.
Feature Information Returned by CPUID.01H.ECX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Feature Information Returned by CPUID.01H.EDX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5