Patent · US Active

Virtualization with merged guest page table and shadow page directory

US8127107B2 · kind B2 · utility

2Cited by
0References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2009
Grant dateFeb 28, 2012
Priority date
Expiry dateMay 12, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2212/152
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a computing system having virtualization software including a guest operating system (OS), a method for providing page tables that includes: providing a guest page table used by the guest OS and a shadow page table and a shadow page directory used by the virtualization software wherein: at least a portion of the guest page table and the shadow page directory are the same; and the portions that are the same are shared in computer memory by the guest page table and the shadow page directory.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.