The store C is not a load into exclusive state, because with an atomic operation (as in this case), the write to C is not visible to other caches (isolation) until the transaction has been committed. The load C would instead be a Bus Upgrade to X operation after the commit, as noted in the next slide.
The store C is not a load into exclusive state, because with an atomic operation (as in this case), the write to C is not visible to other caches (isolation) until the transaction has been committed. The load C would instead be a Bus Upgrade to X operation after the commit, as noted in the next slide.