US 11,989,128 B1
Invalidity protection for shared cache lines
Winston Herring, Austin, TX (US); Gregory William Alexander, Pflugerville, TX (US); Timothy Bronson, Round Rock, TX (US); and Jason D Kohl, Austin, TX (US)
Assigned to INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US)
Filed by INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US)
Filed on Dec. 15, 2022, as Appl. No. 18/066,575.
Int. Cl. G06F 12/08 (2016.01); G06F 12/0831 (2016.01); G06F 12/084 (2016.01); G06F 12/0862 (2016.01)
CPC G06F 12/084 (2013.01) [G06F 12/0833 (2013.01); G06F 12/0862 (2013.01)] 20 Claims
OG exemplary drawing
 
16. A computer-implemented method of facilitating processing within a computing environment, the computer-implemented method comprising:
obtaining, by a node of the computing environment, an exclusive fetch request of a cache line shared by, at least, the node and a manager node of the computing environment, the exclusive fetch request including a state indication regarding processing of the exclusive fetch request by the manager node; and
processing, by the node, the exclusive fetch request, based on the state indication included with the exclusive fetch request regarding processing of the exclusive fetch request by the manager node.