ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,120, issued on March 25, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).

"Guest operating system buffer and log accesses by an input-output memory management unit" was invented by Maggie Chan (Toronto), Philip Ng (Toronto) and Paul Blinzer (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device includes a processor that executes a guest operating system; a memory having a guest portion that is reserved for storing data and information to be accessed by the guest operating system; and an input-output memory management unit (IOMMU). The IOMMU writes, in the guest portion, information into guest buffers ...