Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f0a0b15e authored by Jan Glauber's avatar Jan Glauber Committed by Martin Schwidefsky
Browse files

[S390] qdio: leave inbound SBALs primed 



It is not required to change the state of primed SBALs. Leaving them
primed saves a SQBS instruction under z/VM.

Signed-off-by: default avatarJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent cf9a031c

drivers/s390/cio/qdio_main.c

+0 −7
Original line number Diff line number Diff line
@@ -455,13 +455,6 @@ static inline void inbound_primed(struct qdio_q *q, int count) 
	count--;

	if (!count)

		return;



	/*

	 * Need to change all PRIMED buffers to NOT_INIT, otherwise

	 * we're loosing initiative in the thinint code.

	 */

	set_buf_states(q, q->first_to_check, SLSB_P_INPUT_NOT_INIT,

		       count);

}



static int get_inbound_buffer_frontier(struct qdio_q *q)