MTHCA_GET_DOORBELL_LOCK   52 drivers/infiniband/hw/mthca/mthca_doorbell.h #define MTHCA_GET_DOORBELL_LOCK(ptr)      (NULL)
MTHCA_GET_DOORBELL_LOCK   80 drivers/infiniband/hw/mthca/mthca_doorbell.h #define MTHCA_GET_DOORBELL_LOCK(ptr)      (ptr)