BRPI0600347A - métodos e sistema para virtualização de endereços fìsicos de convidado em ambiente de máquina virtual - Google Patents

métodos e sistema para virtualização de endereços fìsicos de convidado em ambiente de máquina virtual

Info

Publication number
BRPI0600347A
BRPI0600347A BRPI0600347-8A BRPI0600347A BRPI0600347A BR PI0600347 A BRPI0600347 A BR PI0600347A BR PI0600347 A BRPI0600347 A BR PI0600347A BR PI0600347 A BRPI0600347 A BR PI0600347A
Authority
BR
Brazil
Prior art keywords
virtual machine
pages
physical address
guest physical
methods
Prior art date
Application number
BRPI0600347-8A
Other languages
English (en)
Inventor
Eric Traut
Matthew D Hendel
Original Assignee
Microsoft Corp
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 Corp filed Critical Microsoft Corp
Publication of BRPI0600347A publication Critical patent/BRPI0600347A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
    • G06F12/1036—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
    • 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/544—Buffers; Shared memory; Pipes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0253—Garbage collection, i.e. reclamation of unreferenced memory
    • G06F12/0261—Garbage collection, i.e. reclamation of unreferenced memory using reference counting
    • 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
    • G06F2009/45583—Memory management, e.g. access or allocation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/656—Address space sharing

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Bus Control (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Storage Device Security (AREA)

Abstract

"MéTODO E SISTEMA PARA VIRTUALIZAçãO DE ENDEREçOS FìSICOS DE CONVIDADO EM AMBIENTE DE MáQUINA VIRTUAL". Um método para partilhar páginas entre máquinas virtuais em um ambiente de várias máquinas virtuais inclui inicialmente alocar uma faixa de endereços físicos de convidado temporária de uma primeira máquina virtual para partilhar as páginas com uma segunda máquina virtual. A faixa temporária está dentro de um espaço de endereço físico de convidado da primeira máquina virtual. Um pedido de acesso, como um pedido de DMA, de uma segunda máquina virtual, a páginas disponíveis para a primeira máquina virtual, é recebido. Uma contagem de referência dos pedidos pendentes às páginas é incrementada de modo a indicar um acesso pendente, e as páginas são mapeadas na faixa de endereços físicos de convidado temporária. As páginas são acessadas e a contagem de referência é decrementada. O mapeamento na faixa de endereços físicos de convidado temporária é então removido se a contagem de referência for zero.
BRPI0600347-8A 2005-03-08 2006-02-08 métodos e sistema para virtualização de endereços fìsicos de convidado em ambiente de máquina virtual BRPI0600347A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/075,219 US7334076B2 (en) 2005-03-08 2005-03-08 Method and system for a guest physical address virtualization in a virtual machine environment

Publications (1)

Publication Number Publication Date
BRPI0600347A true BRPI0600347A (pt) 2006-10-31

Family

ID=36579174

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0600347-8A BRPI0600347A (pt) 2005-03-08 2006-02-08 métodos e sistema para virtualização de endereços fìsicos de convidado em ambiente de máquina virtual

Country Status (13)

Country Link
US (1) US7334076B2 (pt)
EP (1) EP1701268B1 (pt)
JP (1) JP4237190B2 (pt)
KR (1) KR20060099404A (pt)
CN (1) CN100578471C (pt)
AT (1) ATE521036T1 (pt)
AU (1) AU2006200312A1 (pt)
BR (1) BRPI0600347A (pt)
CA (1) CA2535484A1 (pt)
MX (1) MXPA06001608A (pt)
RU (1) RU2393534C2 (pt)
TW (1) TW200634551A (pt)
ZA (1) ZA200601080B (pt)

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Also Published As

Publication number Publication date
JP2006252554A (ja) 2006-09-21
JP4237190B2 (ja) 2009-03-11
AU2006200312A1 (en) 2006-09-28
US7334076B2 (en) 2008-02-19
ATE521036T1 (de) 2011-09-15
CA2535484A1 (en) 2006-09-08
CN1831790A (zh) 2006-09-13
CN100578471C (zh) 2010-01-06
RU2393534C2 (ru) 2010-06-27
ZA200601080B (en) 2008-04-30
EP1701268A3 (en) 2006-10-11
MXPA06001608A (es) 2006-09-20
EP1701268A2 (en) 2006-09-13
EP1701268B1 (en) 2011-08-17
US20060206658A1 (en) 2006-09-14
RU2006103559A (ru) 2007-08-20
KR20060099404A (ko) 2006-09-19
TW200634551A (en) 2006-10-01

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