Sudarsana Reddy Kalluru 34c7bb4705
qed: Protect the doorbell BAR with the write barriers. ...
SPQ doorbell is currently protected with the compilation barrier. Under the
stress scenarios, we may get into a state where (due to the weak ordering)
several ramrod doorbells were written to the BAR with an out-of-order
producer values. Need to change the barrier type to a write barrier to make
sure that the write buffer is flushed after each doorbell.
Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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