I am simulating a multiprocessor system with a shared bus. Private L1,l2 and
shared L3 (connected to shared bus through tol3bus). When I insert a bridge
between the shared bus and tol3bus, the L2 cache on a miss, after allocating
mshr and sending the bus packet on shared bus, calls cleardownStreamPending().
This is not supposed to happen since cleardownStreamPending() should be called
by last-level(L3) cache. cleardownStreamPending() is indeed called by the L3
cache if there is no bridge. Any of the developers aware of the implementation
of this feature can throw some light maybe?
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