[openib-general] qp lock in mthca_poll_cq

[Michael S. Tsirkin]

Hi, Roland!
Why do you need the qp locked in mthca_poll_cq_one?
Since the wr_id table has an entry per QP per WQE, and since you
use atomics for the ref count, it seems you should not need this lock?

Thanks,
MST