WO2010039427A3 - On-the-fly replacement of physical hardware with emulation - Google Patents

On-the-fly replacement of physical hardware with emulation Download PDF

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Publication number
WO2010039427A3
WO2010039427A3 PCT/US2009/057048 US2009057048W WO2010039427A3 WO 2010039427 A3 WO2010039427 A3 WO 2010039427A3 US 2009057048 W US2009057048 W US 2009057048W WO 2010039427 A3 WO2010039427 A3 WO 2010039427A3
Authority
WO
WIPO (PCT)
Prior art keywords
hardware
virtual machine
memory locations
emulation
physical hardware
Prior art date
Application number
PCT/US2009/057048
Other languages
French (fr)
Other versions
WO2010039427A2 (en
Inventor
Dustin L. Green
Jacob Oshins
Original Assignee
Microsoft Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corporation filed Critical Microsoft Corporation
Priority to CN2009801394243A priority Critical patent/CN102165431B/en
Priority to EP09818214.0A priority patent/EP2332057B1/en
Priority to JP2011530095A priority patent/JP5798485B2/en
Publication of WO2010039427A2 publication Critical patent/WO2010039427A2/en
Publication of WO2010039427A3 publication Critical patent/WO2010039427A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45579—I/O management, e.g. providing access to device drivers or storage

Abstract

Various aspects are disclosed herein for replacing the hardware backing the memory locations associated with a virtual machine with a backing mechanism. The backing mechanism may have the memory locations appear to contain data convenient to the driver in the virtual machine, typically containing what the hardware would have returned if the hardware had been read from. The data image being returned from the memory locations may travel with the virtual machine even if the virtual machine moves to a different physical machine that does not contain hardware equivalent to the hardware that was recently removed from the virtual machine.
PCT/US2009/057048 2008-09-30 2009-09-15 On-the-fly replacement of physical hardware with emulation WO2010039427A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2009801394243A CN102165431B (en) 2008-09-30 2009-09-15 On-the-fly replacement of physical hardware with emulation
EP09818214.0A EP2332057B1 (en) 2008-09-30 2009-09-15 On-the-fly replacement of physical hardware with emulation
JP2011530095A JP5798485B2 (en) 2008-09-30 2009-09-15 Replacing physical hardware emulation with running

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/242,377 2008-09-30
US12/242,377 US7904914B2 (en) 2008-09-30 2008-09-30 On-the-fly replacement of physical hardware with emulation

Publications (2)

Publication Number Publication Date
WO2010039427A2 WO2010039427A2 (en) 2010-04-08
WO2010039427A3 true WO2010039427A3 (en) 2010-06-17

Family

ID=42059111

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/057048 WO2010039427A2 (en) 2008-09-30 2009-09-15 On-the-fly replacement of physical hardware with emulation

Country Status (5)

Country Link
US (4) US7904914B2 (en)
EP (1) EP2332057B1 (en)
JP (1) JP5798485B2 (en)
CN (1) CN102165431B (en)
WO (1) WO2010039427A2 (en)

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Also Published As

Publication number Publication date
CN102165431A (en) 2011-08-24
US20110119671A1 (en) 2011-05-19
EP2332057B1 (en) 2018-04-11
US8789069B2 (en) 2014-07-22
US20100083276A1 (en) 2010-04-01
WO2010039427A2 (en) 2010-04-08
US8225334B2 (en) 2012-07-17
EP2332057A4 (en) 2012-11-07
JP2012504296A (en) 2012-02-16
US7904914B2 (en) 2011-03-08
CN102165431B (en) 2012-12-26
US20120278818A1 (en) 2012-11-01
JP5798485B2 (en) 2015-10-21
EP2332057A2 (en) 2011-06-15
US20140337846A1 (en) 2014-11-13

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