RDMA/rxe: Fix comments about removed tasklets

The commit 9b4b7c1f9f ("RDMA/rxe: Add workqueue support for rxe tasks")
removed tasklets and replaced them with a workqueue, but relevant comments
are still remaining in the source code.

Fixes: 9b4b7c1f9f ("RDMA/rxe: Add workqueue support for rxe tasks")
Link: https://lore.kernel.org/r/20230518070027.942715-1-matsuda-daisuke@fujitsu.com
Signed-off-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/sw/rxe/rxe_comp.c

@@ -826,7 +826,7 @@ int rxe_completer(struct rxe_qp *qp)
 	}
 
 	/* A non-zero return value will cause rxe_do_task to
-	 * exit its loop and end the tasklet. A zero return
+	 * exit its loop and end the work item. A zero return
 	 * will continue looping and return to rxe_completer
 	 */
 done:

drivers/infiniband/sw/rxe/rxe_param.h

@@ -112,7 +112,7 @@ enum rxe_device_param {
 	RXE_INFLIGHT_SKBS_PER_QP_HIGH	= 64,
 	RXE_INFLIGHT_SKBS_PER_QP_LOW	= 16,
 
-	/* Max number of interations of each tasklet
+	/* Max number of interations of each work item
 	 * before yielding the cpu to let other
 	 * work make progress
 	 */

drivers/infiniband/sw/rxe/rxe_req.c

@@ -853,7 +853,7 @@ int rxe_requester(struct rxe_qp *qp)
 	update_state(qp, &pkt);
 
 	/* A non-zero return value will cause rxe_do_task to
-	 * exit its loop and end the tasklet. A zero return
+	 * exit its loop and end the work item. A zero return
 	 * will continue looping and return to rxe_requester
 	 */
 done:

drivers/infiniband/sw/rxe/rxe_resp.c

@@ -1654,7 +1654,7 @@ int rxe_responder(struct rxe_qp *qp)
 	}
 
 	/* A non-zero return value will cause rxe_do_task to
-	 * exit its loop and end the tasklet. A zero return
+	 * exit its loop and end the work item. A zero return
 	 * will continue looping and return to rxe_responder
 	 */
 done: