ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,841, issued on Aug. 26, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).
"Memory protection method and protection proxy control apparatus" was invented by Junlong Liu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a memory protection method and a protection proxy control apparatus. In an example method, in response to determining that an accelerator or an input/output (I/O) device requests to access a system memory by using a direct physical address, the protection proxy control apparatus may obtain, based on an identifier of a data stream of the accelerator or the I/O device, permission inf...