ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,737,299, issued on Sept. 15, was assigned to Intel Corp. (Santa Clara, Calif.).
"Fine-grained dirty page tracking of IOMMU second-stage large pages" was invented by Karthik V. Narayanan (Chandler, Ariz.) and Raghunathan Srinivasan (Chandler, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example of an apparatus may include memory and an input/output (IO) bus, where an address space of the memory and the IO bus is at least partially organized as a plurality of large pages, and where a large page is organized as two or more sub-pages. In some examples, the apparatus further includes circuitry coupled to the memory and the IO bus to map an IO add...