The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2022
Filed:
Sep. 27, 2019
Applicant:
Red Hat, Inc., Raleigh, NC (US);
Inventors:
Michael Tsirkin, Westford, MA (US);
Andrea Arcangeli, New York, NY (US);
Assignee:
Red Hat, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/46 (2006.01); G06F 9/30 (2018.01); G06F 9/50 (2006.01); G06F 9/48 (2006.01); G06F 9/52 (2006.01);
U.S. Cl.
CPC ...
G06F 9/3009 (2013.01); G06F 9/485 (2013.01); G06F 9/5027 (2013.01); G06F 9/522 (2013.01);
Abstract
A system includes a memory, at least one physical processor in communication with the memory, and a plurality of hardware threads executing on the at least one physical processor. A first thread of the plurality of hardware threads is configured to execute a plurality of instructions that includes a restartable sequence. Responsive to a different second thread in communication with the first thread being pre-empted while the first thread is executing the restartable sequence, the first thread is configured to restart the restartable sequence prior to reaching a memory barrier.