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:
Jun. 28, 2022
Filed:
Mar. 11, 2021
Applicant:
Kioxia Corporation, Tokyo, JP;
Inventor:
Kenta Yasufuku, Yokohama, JP;
Assignee:
Kioxia Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/16 (2006.01); G06F 12/0871 (2016.01); G06F 12/0891 (2016.01);
U.S. Cl.
CPC ...
G06F 13/1642 (2013.01); G06F 12/0871 (2013.01); G06F 12/0891 (2013.01); G06F 13/1668 (2013.01);
Abstract
According to an embodiment, a memory system includes a controller which includes an interface connectable with a host with cache coherency kept. The controller is configured to: before the host writes a command to an I/O submission queue, read the I/O submission queue; after the reading, detect via the interface an invalidation request, the invalidation request being based on writing of the command by the host to the I/O submission queue; and in response to the invalidation request, acquire the command in the I/O submission queue.