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:
Oct. 15, 2002
Filed:
Dec. 12, 2000
Brian David Allison, Rochester, MN (US);
Scott D. Clark, Rochester, MN (US);
Joseph A. Kirscht, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and apparatus are provided for implementing locking of non-data page operations in a memory system. In the method for implementing locking of non-data page operations of the invention, checking for a look aside buffer invalidate request is performed. Responsive to identifying a look aside buffer invalidate request, a real address is locked for the look aside buffer invalidate request. Then checking for a non-data page operation is performed. Responsive to identifying a non-data page operation, checking for the non-data page operation to complete is performed. Responsive to identifying the completed non-data page operation, the real address is unlocked for the look aside buffer invalidate request. Only a lock is placed on the page for a non-data page operation. A look aside buffer invalidate sequence is not performed for the non-data page operation.