Patent ID: 11907132
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A computer system comprising:
one or more computer processors;
one or more computer-readable storage media; and
program instructions stored on the computer-readable storage media for execution by at least one of the one or more processors, the program instructions comprising instructions to:
identify an initial designated authority (DA) member cache for a cache line, the initial DA member cache having a DA status;
transfer the DA status from the initial DA member cache to a new DA member cache;
receive an operation request;
indicate that the initial DA member cache will be invalidated without allowing any other access to the cache line prior to invalidation; and

allow the operation request to proceed as though the initial DA member cache has been invalidated prior to invalidation of the initial DA member cache.