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:
Dec. 28, 2021
Filed:
Jan. 23, 2018
Vmware, Inc., Palo Alto, CA (US);
Ye Li, Newton Highlands, MA (US);
Cyprien Laplace, Boston, MA (US);
Andrei Warkentin, North Andover, MA (US);
Alexander Fainkichen, Southborough, MA (US);
Regis Duchesne, Monts-de-Corsier, CH;
VMware, Inc., Palo Alto, CA (US);
Abstract
An example method of maintaining cache coherency in a virtualized computing system includes: trapping access to a memory page by guest software in a virtual machine at a hypervisor managing the virtual machine, where the memory page is not mapped in a second stage page table managed by the hypervisor; performing cache coherency maintenance for instruction and data caches of a central processing unit (CPU) in the virtualized computing system in response to the trap; mapping the memory page in the second stage page table with execute permission; and resuming execution of the virtual machine.