US Patent Issued to Red Hat on Nov. 4 for "Hypercall acceleration for nested virtual machines" (American, Israeli Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,771, issued on Nov. 4, was assigned to Red Hat Inc. (Raleigh, N.C.).

"Hypercall acceleration for nested virtual machines" was invented by Michael Tsirkin (Yokneam Illit, Israel) and Karen Noel (Pembroke, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for accelerating hypercalls for nested virtual machines. An example method comprises: executing, by a host computer system, a Level 0 hypervisor managing a Level 1 virtual machine (VM); receiving, by a Level 1 hypervisor managing a Level 2 VM, a first function component from a Level 2 hypervisor managing a Level 3 VM, wherein the first function component performs a first function...