Patents by Inventor Ruben Castelino

Ruben Castelino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Determining policy actions for the handling of data read/write extended page table violations
    Patent number: 9372812
    Abstract: Embodiments of systems, apparatuses, and methods for determining if an instruction of a virtual machine is allowed to modify a protected memory region are described. In some embodiments, a system detects an indication of an attempt by the instruction to write to the protected memory region. In addition, the system determines if the instruction is allowed to write to the protected memory region based on a starting address and data length of the instruction. Furthermore, if the instruction is allowed to write to the protected memory region, the system updates the protected memory region with the instruction results.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: June 21, 2016
    Assignee: Intel Corporation
    Inventors: Kuo-Lang Tseng, Baohong Liu, Ritu Sood, Manohar Ruben Castelino, Madhukar Tallam
  • DETERMINING POLICY ACTIONS FOR THE HANDLING OF DATA READ/WRITE EXTENDED PAGE TABLE VIOLATIONS
    Publication number: 20140201422
    Abstract: Embodiments of systems, apparatuses, and methods for determining if an instruction of a virtual machine is allowed to modify a protected memory region are described. In some embodiments, a system detects an indication of an attempt by the instruction to write to the protected memory region. In addition, the system determines if the instruction is allowed to write to the protected memory region based on a starting address and data length of the instruction. Furthermore, if the instruction is allowed to write to the protected memory region, the system updates the protected memory region with the instruction results.
    Type: Application
    Filed: December 22, 2011
    Publication date: July 17, 2014
    Inventors: Kuo-Lang Tseng, Baohong Liu, Ritu Sood, Manohar Ruben Castelino, Madhukar Tallam
  • Position reference beacon for integrated circuits
    Publication number: 20050094866
    Abstract: A beacon for providing a reference location on an integrated circuit is disclosed. The beacon comprises a device capable of emitting radiation and disposed at a corresponding reference location on the integrated circuit, wherein the device is capable of being controlled independent of integrated circuit operations.
    Type: Application
    Filed: November 3, 2003
    Publication date: May 5, 2005
    Inventors: Ruben Castelino, John Kowaleski