US Patent Issued to Red Hat on Dec. 30 for "Fast memory mapped IO support by register switch" (Israeli Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,150, issued on Dec. 30, was assigned to Red Hat Inc. (Raleigh, N.C.).

"Fast memory mapped IO support by register switch" was invented by Michael Tsirkin (Yokneam Illit, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "The technology disclosed herein enhances a fault-based communication channel between a virtual machine and a hypervisor. An example method may include: configuring, by a hypervisor, a first memory location to generate one or more faults when accessed by a virtual machine process, wherein the first memory location is mapped to a device and a second memory location is mapped to memory; detecting, by firmware, a fault caused by a fir...