Virtualization with fortuitously sized shadow page tables
US8074045B2 · kind B2 · utility
7Cited by
0References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2009 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Jun 1, 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 used by the virtualization software wherein at least a portion of the guest page table and the shadow page table share computer memory; wherein: machine pages have a predetermined size; and the virtualization software maps guest OS physical pages to machine pages at a predetermined alignment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.