The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2014
Filed:
Oct. 12, 2012
Uday Savagaonkar, Portland, OR (US);
Madhavan Parthasarathy, Portland, OR (US);
Ravi Sahita, Beaverton, OR (US);
David Durham, Beaverton, OR (US);
Uday Savagaonkar, Portland, OR (US);
Madhavan Parthasarathy, Portland, OR (US);
Ravi Sahita, Beaverton, OR (US);
David Durham, Beaverton, OR (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
Embodiments of an invention for generating multiple address space identifiers per virtual machine to switch between protected micro-contexts are disclosed. In one embodiment, a method includes receiving an instruction requiring an address translation; initiating, in response to receiving the instruction, a page walk from a page table pointed to by the contents of a page table pointer storage location; finding, during the page walk, a transition entry; storing the address translation and one of a plurality of address source identifiers in a translation lookaside buffer, the one of the plurality of address source identifiers based on one of a plurality of a virtual partition identifiers, at least two of the plurality of virtual partition identifiers associated with one of a plurality of virtual machines; and re-initiating the page walk.