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:
Jan. 09, 2024
Filed:
Apr. 25, 2022
Red Hat, Inc., Raleigh, NC (US);
Michael Tsirkin, Yokneam Illit, IL;
Amnon Ilan, Ra'anana, IL;
Red Hat, Inc., Raleigh, NC (US);
Abstract
Page request interface overhead reduction for virtual machine migration and write protection in memory may be provided by generating a page table associated with the memory; in response to receiving a write-protection command to prevent write-access to data from a portion of the memory, write-protecting a first range of memory addresses comprising the data write protected from the portion of the memory, wherein a second range of memory addresses comprises data not write protected in the memory; and modifying the page table to include a page table entry associated with the first range of memory addresses being write-protected, wherein write access to a memory address in the first range of memory addresses by a device during write-protection is tracked.