ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,800, issued on March 11, was assigned to Intel Corp. (Santa Clara, Calif.).
"Virtualization of interprocessor interrupts" was invented by Gilbert Neiger (Portland, Ore.), Rajesh Sankaran (Portland, Ore.) and Hisham Shafi (Akko, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of apparatuses, methods, and systems for virtualization of interprocessor interrupts are disclosed. In an embodiment, an apparatus includes a plurality of processor cores; an interrupt controller register; and logic to, in response to a write from a virtual machine to the interrupt controller register, record an interprocessor interrupt in a first data structu...