US Patent Issued to Red Hat on March 18 for "Pre-allocating page table entries to provide virtual machine access to single root input-output virtualization devices" (Israeli Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,338, issued on March 18, was assigned to Red Hat Inc. (Raleigh, N.C.).

"Pre-allocating page table entries to provide virtual machine access to single root input-output virtualization devices" was invented by Michael Tsirkin (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Page table entries for a maximum number of virtual functions configurable by a physical function of a single root input-output virtualization (SR-IOV) device can be pre-allocated to provide access for nested virtual machines and containers. For example, a computing device can allocate, by an input-output memory management unit (IOMMU), a page table comprising page tab...