US Patent Issued to Advanced Micro Devices, ATI TECHNOLOGIES on July 14 for "Address-space-identifier-based security of data transfer requests" (Canadian, American Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,746, issued on July 14, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.) and ATI TECHNOLOGIES ULC (Markham, Canada).

"Address-space-identifier-based security of data transfer requests" was invented by Philip Ng (Toronto), Nippon Raval (Markham, Canada), Jeremy W. Powell (Austin, Texas), Donald Matthews Jr. (Ft. Collins, Colo.) and David Kaplan (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A processor configured to execute one or more virtual machines (VMs) includes an input-output memory management unit (IOMMU) configured to handle memory-mapped input-output (MMIO) requests and direct memory access (DMA) requests fro...