ALEXANDRIA, Va., May 19 -- United States Patent no. 12,632,280, issued on May 19, was assigned to Red Hat Inc. (Raleigh, N.C.).

"Caching memory mapped I/O emulation for virtual machines" was invented by Michael Tsirkin (Ra'anana, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes selecting a guest address of an address space of a virtual machine for optimizing memory mapped input/output (MMIO) emulation and initializing a page modification log associated with the virtual machine as full. The method further includes receiving an access of the guest address by the virtual machine and, in response to receiving the access to the guest address, triggering a page modification log full event, a...